KR20190031113A - Virtual tennis simulation system and control method for the same - Google Patents

Abstract

The present invention relates to a virtual tennis simulation system and a control method thereof. For a tennis match which a player plays in a virtual tennis simulation method such as a screen tennis system, even when a virtual opponent player on an image hits a virtual ball in various ways under different situations and conditions set by artificial intelligence or the like, the movement of the virtual ball on the image is made to correspond to the launching of each ball hit by a ball machine installed at the rear side of a screen. Accordingly, the virtual tennis match, in which virtual situations on the image are combined with actual situations, can be played like a dynamic and realistic actual tennis match, thereby enhancing a tennis player′s concentration and interest on the virtual tennis match.

Description

TECHNICAL FIELD [0001] The present invention relates to a virtual tennis simulation system,

The present invention relates to a tennis game in which a tennis player plays a tennis practice or a tennis game by hitting a tennis ball fired by a ball machine with a racket, And more particularly, to a virtual tennis simulation system and a control method thereof.

In recent years, in the narrow space of the indoor space for sports such as golf and baseball, the so-called screen golf and screen baseball, which provide virtual contents for exercises and games such as playing golf or baseball in real fields With popular popularity and technological advances, so-called screen tennis systems have emerged for tennis, the most popular sport using the ball.

Unlike sports such as golf or baseball, tennis is a sport in which a user who holds a racket moves very dynamically and rally the ball continuously with each other, rather than hitting the ball continuously in one place. By realizing the characteristics of the screen tennis system, the user who uses the screen tennis can strike the ball in various positions and realize the reality of the tennis sport by realizing the continuous rally with the other side in the image, The key is to provide a variety of analytical information.

As a prior art document related to a conventional screen tennis system and a sensing device used therefor, Patent Document No. 10-2015-0010077, Patent Application No. 10-2015-0138876, US Patent No. 6,776,732, US Patent No. 3,989,246 And the like are disclosed.

As with normal screen tennis systems, there is a ball dispensing device on the back of the screen that provides a real ball to the player, so that if the player gives the actual ball, the player strikes the actual ball against the screen, A simulation image in which a virtual ball moves on an image on a screen based on the sensed data is implemented, and a virtual opposing player on the image strikes the virtual ball, The process of the screen tennis system proceeds in such a way as to provide an actual ball.

However, since the exit formed on the screen provided with the ball provided by the ball providing device is inevitably fixed, no matter how the virtual opponent player hits the ball on the image, the ball provided by the ball providing device is always fixed The player has a problem that the reality of tennis play becomes very poor when viewed from the player's point of view.

In addition, in order to solve the above-described problem, it is necessary for the virtual opponent player on the image to always strike a virtual ball in the same path and to implement the video. In such a case, the player moves dynamically, The screen tennis system does not include a feature of sports called tennis, which is characterized in that the tennis player plays a very trivial and seriously funny tennis game.

The present invention can be applied to a virtual tennis simulation system such as a screen tennis system in which a player plays a tennis game in which a virtual opponent player on the image strikes a virtual ball in various situations and conditions by artificial intelligence or the like, So that the virtual tennis game in which the situation on the image is combined with the actual situation is implemented as a dynamic and realistic game like an actual tennis game The present invention provides a virtual tennis simulation system and a control method thereof for enabling a player to improve the concentration and interest of virtual tennis play.

A control method of a virtual tennis simulation system according to an embodiment of the present invention is a method of controlling a virtual tennis simulation system such that a player can play tennis while hitting a ball shot through a ball machine provided on the back of the screen, A virtual player's opponent player striking a virtual ball on a screen image of the screen; Changing the image according to a state in which a virtual ball is struck by the virtual opponent player on the image; And a ball provided by the ball machine being fired in a ball shooting hole on the screen, after the simulation that the virtual ball moves on the image is completed.

Preferably, the step of changing the image further includes moving a virtual ball passing through the ball shooting position, which is a position corresponding to the ball shooting hole on the screen, with the moving path of the virtual ball struck by the virtual opponent player on the image And changing the image so that the ball is fired by the ball machine in a ball firing hole at the ball firing position on an extension line on which the virtual ball moves.

Also, preferably, the step of changing the image may include shifting the image so that the movement path of the shot virtual ball passes the ball launching position, rotating the image, shifting the image And rotating the rotating member.

Preferably, the step of hitting the virtual ball further includes the steps of: determining a motion condition of the virtual ball at a batting position of the virtual opponent player; and determining, based on the determined motion condition, Wherein the step of changing the image includes at least one of shifting and rotating the image from a starting point of the virtual ball or when the motion condition is determined, And controlling an image so that a trajectory of a virtual ball moving according to the ball launch position can pass through the ball launch position.

Preferably, the step of hitting the virtual ball further includes the steps of: determining a motion condition of the virtual ball at a batting position of the virtual opponent player; and determining, based on the determined motion condition, Wherein the step of changing the image includes the step of changing the image so that a trajectory of a virtual ball moving according to the determined motion condition from a starting point of the virtual ball or from the time when the motion condition is determined, Calculating at least one of a shifting direction and a distance, a rotation direction and a distance of an image so as to allow the image to pass through at least one of shifting and rotating the image according to the calculated information, And controlling the image so that the trajectory of the ball passes through the ball launching position.

Preferably, the step of launching from the ball-launching hole on the screen further comprises the steps of: launching the ball-launching direction of the ball machine so that the ball machine launches the ball on an extension of the trajectory of the virtual ball moving according to the determined motion condition; Determining a firing rate of the ball; firing the ball through the ball firing hole according to the determined firing direction and the firing rate of the ball while the virtual ball reaches the ball firing position on the image; .

Preferably, the step of changing the image may further include changing a position of the target point corresponding to the velocity of the virtual ball hit by the virtual opponent player on the image or the position of the target point along the trajectory of the virtual ball, Moving or zooming out an image in a direction away from the player, or changing the image to move or zoom in the direction in which the screen image approaches the player.

Preferably, the step of changing the image may further include changing a position of the target point corresponding to the velocity of the virtual ball hit by the virtual opponent player on the image or the position of the target point along the trajectory of the virtual ball, Changing the image so as to move or zoom out the image in a direction away from the player or move or zoom in the direction in which the screen image approaches the player; Shifting the image, rotating the image, or shifting the image while shifting the image so that the movement path of the ball passes through a ball launch position, which is a position corresponding to the ball shooting hole on the screen, On the extension line on which the virtual ball moves, It characterized in that the ball to be launched by the ball machine at firing holes.

Preferably, the step of launching from the ball shooting hole on the screen further comprises: determining a motion condition for movement of the virtual ball when the virtual ball is hit by the virtual opponent player on the image, Determining a ball launching direction and a ball launching speed of the ball machine so that the ball machine launches a ball on an extension line of a virtual ball trajectory that moves according to a motion condition; And the ball machine fires a ball through the ball firing hole according to the determined ball firing direction and the ball firing speed while reaching the position.

Preferably, the method further comprises a step of displaying a court information display unit on one side of the image, the court information display unit displaying the entire court on which the player and the virtual opponent player play tennis is reduced.

Preferably, the step of displaying the court information display unit may further include displaying a player area on the court information display unit, the player area being an area corresponding to a space in which the player plays, Wherein the step of changing the image includes displaying a movement trajectory of the ball on the court information display unit corresponding to the movement of the virtual ball on the image, And displaying at least one of the entire court and the player area moving, rotating, moving, and rotating on the court information display unit corresponding to the change of the video according to the step of changing the video.

Preferably, the method further comprises the steps of: sensing a position of the player by a sensing device or a separate sensing device that senses a ball hit by the player; and displaying a screen image corresponding to the sensed position of the player And moving or zooming out the screen image in a direction in which the screen image is moved away from the screen, or moving or zooming the screen image in a direction in which the screen image approaches the player.

Meanwhile, a virtual tennis simulation system according to an embodiment of the present invention is a virtual tennis simulation system that allows a player to play tennis while striking a ball based on an image projected on a screen, A ball machine for providing a ball to the player through a ball launch hole formed on the screen; And an image processing unit that implements an image related to a virtual opponent player hitting a virtual ball and moving the hitting virtual ball as an image to be projected on the screen, And a control unit for allowing the ball machine to provide the ball in correspondence with the movement of the virtual ball hit by the virtual opponent player on the image, Changing the image according to a state in which a virtual ball is struck by the virtual opponent player, and when the simulation in which the virtual ball moves on the image is completed, the ball machine fires the ball through the ball shooting hole on the screen And a control unit.

Preferably, the control unit controls the image processing unit so that a moving path of a virtual ball struck by the virtual opponent player on the image is a ball shooting position corresponding to the ball shooting hole on the screen The ball is fired by the ball machine in the ball shooting hole of the ball shooting position on an extension line on which the virtual ball moves, And the ball machine is controlled so that the ball machine is controlled.

Preferably, the control unit controls the image processing unit to correspond to a position of a target point corresponding to a velocity of a virtual ball hit by the virtual opponent player on the image or a trajectory of the virtual ball And the image is changed so as to move or zoom out the screen image in the direction away from the player or to move or zoom in the direction in which the screen image approaches the player.

Preferably, the control unit controls the image processing unit to correspond to a position of a target point corresponding to a velocity of a virtual ball hit by the virtual opponent player on the image or a trajectory of the virtual ball Wherein the virtual player moves or zooms out a screen image in a direction away from the player or changes the image to move or zoom the screen image in a direction approaching the player, By shifting the image, rotating the image, or shifting the image while shifting the image so that the movement path of the ball passes through a ball launch position, which is a position corresponding to the ball shooting hole on the screen, And the ball ejection hole The ball machine is controlled so that the ball is fired by the ball machine.

Preferably, the control unit determines a motion condition for movement of the virtual ball when the virtual ball is hit by the virtual opponent player on the image, Determining a ball firing direction and a ball firing speed of the ball machine so that the ball machine fires the ball on an extension line of the ball trajectory, and transmitting the ball firing direction and the ball firing speed to the ball machine so that the ball machine ball- And the ball machine is configured to fire the ball through the ball shooting hole according to the determined ball shooting direction and ball shooting speed while the virtual ball reaches the position of the ball shooting hole on the image .

Preferably, the game apparatus further includes a sensing device for sensing the ball hit by the player or a separate sensing device. The sensing device or the sensing device senses the position of the player and transmits the position information to the control part The control unit controls the image processing unit to move or zoom out the screen image in a direction away from the player corresponding to the detected position of the player or to move or zoom the screen image in a direction approaching the player, And the image is changed.

The virtual tennis simulation system and the control method thereof according to the present invention allow a player to play a tennis game in a virtual tennis simulation system such as a screen tennis system in which a virtual opponent player on a video is variously virtualized A virtual tennis game in which a virtual ball movement through a video is combined with a shot of a ball through a ball machine installed on the rear side of the screen, So that it can be implemented as a dynamic and realistic play such as a game, thereby improving the concentration and interest of the player in virtual tennis play.

FIG. 1 shows an example in which a screen tennis system is implemented as a virtual tennis simulation system according to an embodiment of the present invention.
FIG. 2 is a view showing a screen of the virtual tennis simulation system shown in FIG. 1 and its surrounding configuration.
3 is a view showing an example of image contents provided by the virtual tennis simulation system shown in FIG.
4 is a block diagram showing the configuration of the virtual tennis simulation system shown in FIG.
FIGS. 5 to 9 illustrate an example of a virtual tennis system and a control method according to an embodiment of the present invention. In FIG. 5 to FIG. 9, a virtual ball And the like.

The virtual tennis simulation system and its control method according to the present invention will now be described in detail with reference to the drawings.

First, a configuration of a virtual tennis simulation system according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4. FIG.

FIG. 1 illustrates an example of a virtual tennis simulation system implemented as a virtual tennis simulation system according to an embodiment of the present invention, FIG. 2 illustrates a screen of a virtual tennis simulation system shown in FIG. 1, FIG. 3 is a view showing an example of image contents provided by the virtual tennis simulation system shown in FIG. 1, and FIG. 4 is a block diagram showing a configuration of the virtual tennis simulation system shown in FIG.

1, a virtual tennis simulation system according to an embodiment of the present invention includes a floor 30 and a net 32 in a predetermined space, and a screen 20 in front of the player P And a ball machine 100 for providing a ball (tennis ball) for hitting the player P to the player P playing tennis with a racket is installed on the rear side of the screen 20, A video output unit 420 for projecting an image on the screen 20 on one side of the space and a motion of the player P on which the player P is hit and sensing data about a racket used by the player P A sensing device 200 may be installed.

The apparatuses such as the ball machine 100, the sensing device 200 and the image output unit 420 are connected to the control device 300. The control device 300 transmits sensing data of the sensing device 200 And transmits the generated video content to the video output unit 420. The video output unit 420 projects the received video content to the screen 20, And performs control of parameters such as the airspeed of the machine 100 and the direction and velocity of the ball to be launched.

The ball machine 100 is mounted on the rear side of the screen 20 so as to fire the ball 1 to a pre-calculated position on the coat bottom 30 through a ball shooting hole 22 formed in the screen 20 As shown in FIG. 1, the ball machine 100 is configured to be capable of controlling the launch angle and the launch speed so as to launch the ball 1 at various speeds to various positions.

FIG. 2 shows a photographed picture of the configuration around the screen 20 by actually implementing the virtual tennis simulation system according to an embodiment of the present invention.

As shown in FIG. 2, the ball shooting hole 22 may be provided at a substantially middle position on the screen 20. Of course, it may be installed at any position on the screen 20, but in order to realize the receipt of the virtual opponent player with respect to the ball of various trajectories, it is preferable to have a roughly middle position as shown in Fig.

A net 32 and an inclined structure 32 are formed on the front side of the screen 20 so that the ball hitting the screen 20 against the user can be recovered to the ball machine 100 again without colliding with the screen 20, And a safety net 33 and 34 are installed on both sides of the safety net 33 so that the ball does not protrude to the outside.

The balls 2 to be gathered by the net 32 and the bottom netting 32a can be collected toward the collecting port 40 at the lower end of the screen 20 and then transported toward the ball machine.

Meanwhile, FIG. 3 shows an example of image contents provided by the virtual tennis simulation system according to an embodiment of the present invention.

As shown in FIG. 3, the entire image IM includes a main image 500 and a coat information display unit 600. FIG.

The main image 500 may include a content image for a virtual player VP, a referee, etc., in which a virtual environment for the opposite part of the court bottom portion to be played by the user is implemented.

The virtual opponent player VP receives the virtual ball VB according to the preset artificial intelligence as if the opponent plays in the actual tennis match in the main video 500. At this time, The trajectory Tb of the virtual ball VB struck by the virtual opponent player VP may be displayed or not displayed.

The trajectory of the virtual ball VB must be calculated regardless of whether or not the trajectory is displayed, and the control of the image contents and the parameters of the ball machine in the ball machine can be calculated and implemented according to the trajectory. A detailed description thereof will be given later.

On the other hand, the court information display unit 600 displays the entire court on which the player and the virtual opponent player play tennis, in a state in which the floor of the court to be played by the player and the opponent player The tennis court is an entire tennis court including a court, that is, a virtual court.

The court information display unit 600 may display various information such as the current position of the player, the set region based on the player, the position and the locus of the virtual opponent player in the space, and the position of the ball.

Referring to FIG. 4, the control system of each component constituting the virtual tennis simulation system according to an embodiment of the present invention as shown in FIG. 1 will be described.

4, a virtual tennis simulation system according to an embodiment of the present invention includes a ball machine 100, a sensing device 200, a control device 300, and a video output unit 420 The control device 300 may include a server (not shown) including a database for storing database data for implementing the tennis artificial intelligence so that tennis artificial intelligence can be implemented through a virtual opponent player on the image And may be configured to be communicably connected to the control device 300.

The ball machine 100 is installed on the rear surface of the screen 20 and emits a ball through a ball shooting hole 22 on the screen 20. The ball machine 100 rotates two or more wheels, A method of emitting the ball by the rotational force of the wheels, a method of emitting the ball as if it is a bullet, or the like.

The ball machine 100 controls the speed, pitch and the like of the ball on the set striking condition according to the striking condition determined according to the tennis artificial intelligence and the trajectory of the striking ball with respect to the virtual opponent player on the image, .

In addition, the ball machine 100 may be configured to be able to tilt the ball-firing portion in the up-and-down direction and the left-right direction, thereby controlling the tilting drive of the ball- The ball can be fired in various directions within a predetermined angle range through the ball firing hole.

The control unit 300 may include a data storage unit 320, an image processing unit 330 and a control unit 310. The image output unit 420 may be connected to the image processing unit 330 A projection device or the like that allows the processed image to be projected onto the screen 20.

The data storage unit 320 is a part for storing data for processing a tennis practice or a game related background image, a virtual player's video, and a simulated image of a hit ball performed in the virtual tennis simulation system. The data storage unit 320 may be configured to temporarily store data received from a server (not shown).

The image processing unit 330 may include a background image such as a video related to a virtual court, a video related to a player, a referee, an audience, etc., a video in which a virtual opponent player hits a virtual ball, And various simulation-related images such as a simulation image for the user.

The controller 310 performs various calculations for realizing a simulation image of a virtual ball on the basis of the sensing data collected by the sensing device 200 and controls the ball machine 100 so as to correspond to the simulation result of the virtual ball. To the player side.

In addition, the controller 310 controls the tennis artificial intelligence so that a virtual opponent player on the image can play the tennis artificial intelligence.

Particularly, the control unit 310 controls the image processing unit 330 and the ball machine 100 so that the ball machine 100 provides the ball in response to the movement of the virtual ball hit by the virtual opponent player on the image .

The control unit 310 controls the image processing unit 330 so that the moving path of the virtual ball struck by the virtual opponent player on the image corresponds to the position of the ball shooting hole 22 on the screen 20 The control unit controls the ball machine 100 to fire the ball 1 through the ball shooting hole 22 while the virtual ball reaches the ball shooting position on the screen image So that the virtual ball movement through the video is matched with the launch of the ball through the ball machine 100, so that the virtual tennis game unfolded by combining the actual situation with the video situation becomes dynamic and realistic It can be implemented as a play.

Meanwhile, the sensing device 200 continuously captures an image of a player hitting a ball with a racket and analyzes the captured images, thereby obtaining not only the motion information of the ball but also the position of the hit ball on any part of the screen And can be configured as a device of a camera sensing system for sensing whether the camera reaches or not.

The sensing device 300 may include a camera unit 210, a sensing processing unit 220 and a camera control unit 230. The camera unit 210 may include a camera unit 210, The sensing unit 220 receives an image from the camera unit 210 and performs an image analysis according to a predetermined condition to perform a tennis practice or a tennis game according to the virtual tennis simulation Information.

The camera unit 210 of the sensing device 200 photographs the same photographing range at different positions and calculates the three-dimensional position information of the object on the photographed image by using the first camera 211 and the second camera 211 By including the camera 212 in a stereoscopic manner, the sensing processing unit 220 can obtain three-dimensional coordinate data of the ball by analyzing the image captured by the camera unit 210 .

Although not shown in the drawing, the camera unit 210 of the sensing device 200 included in the system according to the present invention can be configured to be tilted in the front, rear, left, and right directions with respect to the center of the angle of view, The second camera 211 and the second camera 212 may be configured to automatically zoom in and zoom out.

It is also possible that the first camera 211 and the second camera 212 are tilted in the unidirectional direction in the front-rear direction or the left-right direction, respectively.

A data table having a pan and a zoom value of each camera of a specific region in a three-dimensional space is produced by referring to the position information of each camera and the angle of view of the camera in a three-dimensional space, and is stored in advance. It is possible for the camera control unit to control each camera to aim at the corresponding position.

Therefore, it is possible to acquire an image for sensing data collection by accurately capturing all of the hitting of the ball 1 fired at various positions while the user moves dynamically at the bottom of the coat.

The sensing processing unit 220 receives and collects images photographed from the first camera 211 and the second camera 212 of the camera unit 210 and analyzes each of the collected images to find a blank part Dimensional coordinate data for each ball portion, and determines a ball motion model for the ball to be hit (by the player's racket) using the extracted three-dimensional coordinate data, and when the ball motion model is determined And various information necessary for the tennis practice and the tennis game through the virtual tennis simulation.

Here, the ball motion model means that the ball motion model is represented by an equation of motion about a trajectory in a three-dimensional space of a ball that is hit and moves. As shown in FIG. 1, in the tennis practice by the system according to the present invention, Dimensional coordinate system of x-axis, y-axis, and z-axis, and the motion model of the ball can be determined according to the defined coordinate system.

That is, the ball motion model can be defined as a motion equation in the x-axis direction, a motion equation in the y-axis direction, and a motion equation in the z-axis direction.

Meanwhile, according to the present invention, not only the movement of the ball hit by the player is calculated as a ball motion model but also the movement of the player is sensed to continuously calculate the position of the player, The player can play dynamic tennis according to various situations and play styles.

The control device controls at least one of the player's skill level, difficulty level, and play style, the position of the player detected by the sensing device in accordance with the artificial intelligence of the virtual opponent player implemented in the video, It is possible to determine the direction and speed of the ball to be provided to the player in accordance with the virtual ball hit by the virtual opponent player in response to the motion model of the virtual opponent player, and to allow the ball machine to provide the ball accordingly.

For example, when the player's skill level is high, a ball machine is provided at a position far away from the position of the player detected by the sensing device, so that the player can play a virtual game in which the player hits the ball in a hard- Can be implemented.

Further, according to the present invention, as described above, the movement of the ball hit by the player is calculated as a ball motion model, the movement of the player is sensed to continuously calculate the position of the player, and furthermore, The virtual tennis player can play virtual tennis on the basis of both the player's movements of the ball hit by the player, the movement of the player, and the attitude information of the player's playing through the racket detection, thereby enabling the player to play dynamic tennis Let's enjoy playing.

The control device includes information on at least one of a skill level, a difficulty level, and a play style of the player, a position of the player detected by the sensing device in accordance with the artificial intelligence of the virtual opposing player implemented in the image, The direction and speed of the ball to be provided to the player in accordance with the virtual ball hit by the virtual opponent player in response to the swing attitude information about whether the player swings in the backhand position or the forehand position, And to allow the ball machine to provide the ball accordingly.

For example, if the player's skill level is high, the ball machine is positioned at a position far from the position of the player detected by the sensing device, and the ball is provided to the position. However, if the player is a right-handed or left- So that a virtual play can be implemented in which the player strikes the ball in a difficult receiving situation.

The virtual tennis simulation system according to an embodiment of the present invention having the above-described structure and features can hit a ball provided by a ball machine with a racket while a player moves on a floor of a court, (For example, a virtual ball moves on the image from the position after the actual moving ball reaches the screen) in a virtual court, and the virtual player in the virtual court moves the imaginary ball An image is formed in which a received ball is subjected to a movement and a virtual ball thus received is moved.

At this time, how the virtual player receives the ball in which direction is determined by the tennis artificial intelligence, which can be determined by the controller implementing the artificial intelligence using various pieces of information. Further, the control unit controls the ball machine so that an actual ball can be provided through a ball machine on an extension line of a trajectory of a virtual ball received by a virtual opponent player.

A play space between the player P and the virtual player VP set in the virtual tennis simulation system according to an embodiment of the present invention will be described with reference to FIG.

FIG. 5 shows a virtual region VW provided as image content as if it were a physical region.

That is, it is assumed that a virtual region VW that is the same as the image content implemented on the screen 20 exists behind the screen 20 provided in front of the coat bottom portion 30 where the user P is located, Lt; / RTI >

5, when a virtual player VP strikes a ball in a virtual court (VC) of a virtual region (VW), the control section of the simulator calculates the locus Tb and outputs the calculated locus The trajectory Tb is connected to the position of the ball shooting hole 22 on the screen 20, that is, the ball shooting position, and the actual ball 1 from the ball shooting hole 22, (Which may be fired in the same trajectory and motion conditions and may be fired a little more weakly considering the actual space by applying appropriate weights).

However, not all the ball trajectories struck by the virtual player VP pass through the ball shooting hole 22, but rather the trajectory is formed far away from the ball shooting position, such as the Tb1 trajectory and the Tb2 trajectory shown in Fig. 5 There is also.

In this case, since there is a difference between the position of the virtual ball on the image and the position of the ball shooting hole 22 in which the actual ball 1 is fired, it may become a factor that the reality of the player P is very poor from the viewpoint of the player P .

In order to prevent such deterioration of realism and to further enhance the reality of tennis play by a player looking at the video by dynamically constructing a screen, a virtual ball is struck by a virtual opponent player on the video Change the image according to the state.

An example of changing the image according to a state in which the virtual ball is struck is to move the screen image so that the trajectory of the virtual ball hit by the virtual player opponent, regardless of the ball of any trajectory, (At least one of shifting and rotating to the left and right), which will be described in more detail below with reference to FIGS. 6 to 10. FIG. Another example of changing the image according to the state in which the virtual ball is struck is a case of moving the screen image in a direction moving away from the player or in a direction approaching the player, which will be described later.

6 and 7 are flow charts showing a control method of a virtual tennis simulation system according to an embodiment of the present invention and another embodiment, respectively. Figs. 8 to 10 are flowcharts And changing the screen image so as to match the trajectory of the virtual ball according to the blow of the virtual opponent player and the ball launch position where the actual ball is fired.

6, when a virtual tennis simulation system according to an embodiment of the present invention is activated, a virtual court and a virtual player's image are implemented on a screen image projected on a screen S100). At this time, the court information display unit may be displayed on one side of the main image.

Only the situation on the roughly half court, such as a virtual court and a virtual opponent player, is imaged on the main video, but in the court information display section, both the player playing on the court bottom and the virtual court on the main video and the virtual opponent player do.

As described above, while the main image is being implemented, the sensing device senses a ball that moves toward the screen in accordance with the ball striking by the player (S110).

After the ball reaches the screen, the control device implements a simulation image in which a virtual ball moves toward a virtual opponent player based on sensing data generated by sensing by a sensing device (S120).

The virtual player of the virtual player receives such a virtual ball. At this time, the control unit of the controller determines the virtual player's motion condition at the hit position of the virtual opponent player on the image by tennis artificial intelligence or the like (S130 ).

The motion conditions of the virtual ball include tennis artificial intelligence, information about a player's skill level, difficulty of tennis play, player's play style, hit information about a simulated virtual ball, position information of the player, It is possible to comprehensively consider the skill, the play style, the ability information, and the like preset for the player character.

The virtual opponent player starts to hit the virtual ball with the determined exercise condition according to the virtual ball striking as described above (S140).

At this time, the control unit may determine the ball shooting direction and the ball shooting speed of the ball machine so that the ball machine fires the ball on the extension line of the imaginary ball trajectory that is moved according to the determined motion condition (S150).

On the other hand, if it is determined in step S140 that the virtual ball starts from the determined motion condition, the virtual ball moving from the start of the virtual ball to the trajectory according to the determined motion condition is moved to the position of the ball shooting hole on the screen, And the rotation angle of the image, respectively (S160).

Here, in step S160, by using both the shifting of the image and the rotation of the image in such a manner that the moving path of the virtual ball hitting by the virtual opponent player passes the ball firing position, It is a matter of course that it is possible to shift the image only by shifting the image or rotating the image.

In the case of only shifting the image, the shifting distance from the start of the virtual ball to the ball position is calculated. In the case of rotating the image only, the distance from the start of the virtual ball to the ball position The rotation angle is calculated.

When a shifting distance and an angle of rotation of the image are calculated according to the above step S160, a simulation image in which a virtual ball moves on the image is implemented, and the image is shifted according to the shifting distance and the angle of rotation of the calculated image. (S170). Such shifting and rotation are performed until the virtual ball, which is moving, reaches the ball firing position (S180). Of course, in the case where the image is only shifted or only rotated, the shifting and rotation are performed at the same time. Hereinafter, the shifting and rotating operation will be described with respect to the shifting It is obvious that the present invention can be applied equally to a case of only rotating or rotating.

If the shifting of the image and the rotation are performed for the time until the virtual ball reaches the ball firing position as described above, the shifting distance is calculated in step S160, and the shifting distance is calculated according to the calculated shifting distance Similarly, the rotation angle of the image is calculated, and at the same time, the time for rotating the image according to the calculated rotation angle is also calculated, and the image is shifted over the respective shifting time and rotation time It is also possible to shift and rotate (although shifting or rotating only).

If the virtual ball moves fast, the time of shifting and rotating the image (same as shifting or rotating) is calculated so that the shifting and rotation of the image can be performed quickly, and the virtual ball is moved slowly The shifting and rotation of the image can be performed slowly.

That is, as described above, the shifting and rotation of the image is performed in accordance with the movement of the virtual ball, which the virtual player moves by hitting the virtual opponent player, on the image. At the time when the shifting and the rotation are completed, It is preferable to allow the player to reach the ball launching position because the movement of the virtual ball on the image and the ball shooting of the actual ball appear to be connected to each other naturally so that the reality felt by the player can be further improved.

As described above, the shifting and rotation of the image are not made according to the movement of the virtual ball on the image, but the shifting and rotation of the image are performed before the virtual ball on the image reaches the ball launching position, It is also possible to control the image so that the virtual ball continuously moves on the screen image to reach the ball launch position. Such a case will be described with reference to the flowchart shown in Fig.

When the virtual ball on the image reaches the ball firing position (S180), the virtual ball disappears on the screen image, and the ball machine fires the actual ball through the ball firing hole at the ball firing position (S182).

In step S150, the ball shooting direction and the ball shooting speed of the ball machine are determined so that actual ball shooting is performed in accordance with the trajectory and the motion condition of the virtual ball. As described above, The virtual ball disappears from the image and the ball machine fires the ball according to the determined ball shooting direction and ball shooting speed.

As described above, the movement of the virtual ball on the image and the ball shots of the ball machine are naturally connected to each other at the ball shooting position, so that the player can feel the reality as if playing the actual tennis.

When the ball is fired from the ball machine and the player hits the ball (S190), the steps from S110 to the subsequent steps are started again, and the virtual player on the image with the actual player can proceed to rally .

If the player fails to strike the ball, the rally ends (S192), and the process described above is continued while the player plays a serve or a virtual opponent player on the video serves, although not shown in the drawings.

A control method of the virtual tennis simulation system according to another embodiment of the present invention will be described with reference to FIG.

In the main image, a sensing device senses a ball that moves toward the screen in response to a ball hit by the player (S210). Based on the sensing data generated by sensing the ball after reaching the screen, The virtual ball moves to the virtual opponent player in step S220, and determines the motion condition of the virtual ball in the hit position of the virtual opponent player on the image in step S230.

When the motion condition of the virtual ball is determined as described above, the control unit may determine one or both of the image shifting distance and the rotation angle so that the trajectory of the virtual ball according to the determined motion condition passes through the ball launch position (S232), and the screen image is shifted or shifted or shifted according to the shifting distance and / or the rotation angle of the calculated image (S234).

That is, the virtual ball is previously adjusted to a position at which the trajectory of the virtual ball passes through the ball firing position in advance by shifting and / or rotating the screen image before the ball starts, based on the motion condition of the ball determined as described above will be.

At this time, the control unit may determine the ball shooting direction and the ball shooting speed of the ball machine so that the ball machine fires the ball on the extension line of the imaginary ball moving in accordance with the determined motion condition (S250).

As described above, when the change of the image is completed, a simulated image in which the virtual opponent player starts the virtual ball with the motion condition determined according to the virtual ball hit and the virtual ball moves is implemented (S260).

When the virtual ball on the image reaches the ball firing position (S270), the virtual ball disappears on the screen image, and the ball machine fires the actual ball through the ball firing hole at the ball firing position (S272).

When the ball is fired from the ball machine and the player hits the ball (S280), the steps from S210 to the subsequent steps are started again, and the virtual player on the image with the actual player can proceed to rally .

A process related to a control method of a virtual tennis simulation system according to an embodiment of the present invention and another embodiment described in the flowcharts shown in Figs. 6 and 7 will be described with reference to Figs. 8 to 10, .

In FIG. 8, a player character area, which is an area corresponding to a space in which a player actually plays a game, and a virtual court game played by a virtual opponent player, Are represented by one virtual tennis court.

8 (a) is a view showing a trajectory of a virtual ball according to a blow of a virtual opponent player on the virtual tennis court as described above. FIGS. 8 (b) and 8 (c) Fig. 5 is a plan view of a virtual tennis court shown in Fig.

An image as shown in FIG. 8A may be an image provided as a separate sub-image on one side of the main image, or may be provided in the form of a highlight image for a player and a virtual opponent player in the main image It may be a video.

An image as shown in FIG. 8B may be an image provided as the mini-map type court information display section described above.

The controller of the virtual tennis simulation system according to an embodiment of the present invention realizes tennis artificial intelligence so that a virtual opponent player can intelligently play so that a player can realize tennis play in various situations. The tennis artificial intelligence assumes a virtual court (VC), which is a player area 31 and a virtual area VW, as one virtual tennis court, as shown in Fig. 8 (a) And a trajectory or the like to make the virtual ball VB hit by the player VP reach the target point AP arriving on the player area 31. [

As shown in FIG. 8 (a), the virtual opponent player VP determines the motion condition of the virtual ball to send the virtual ball to the target point AP, (Tb).

The same situation as in FIG. 8 (a) is shown in a plan view in (b).

8A and 8B, the effective area 50 is displayed in the player area 31 as an area in which the player P plays the real area 50, The area corresponding to the bottom of the court of the tennis room is indicated by the tennis artificial intelligence of the control device. That is, the control device recognizes the effective area 50 as a floor of the court where the player actually plays it, or a region set to a narrower range in the floor of the court.

The effective region 50 may include a ball firing position p22 corresponding to the position of the ball shooting hole provided on the screen as shown in Figs. 8A and 8B.

The square inside the effective area 50 is a safe area 60, which is a safe area in which the player can actually move without colliding with the wall, and represents an area of a preset size.

8 (a) and 8 (b), the trajectory of the virtual ball VB that moves as the virtual opponent player VP is hit (as the motion condition of the virtual ball is determined) But does not pass through the ball launching position p22 but a locus Tb is formed slightly away from the ball position p22 and the position of the virtual ball VB before the virtual ball VB reaches the effective region 50 The situation is provided as the image on the opposite side of the player from the main image on the screen, and after the virtual ball VB reaches the effective area 50, the actual ball is not provided as an image and the actual ball machine fires do.

8 (a) and 8 (b), when the trajectory Tb of the imaginary ball VB is formed slightly apart from the ball firing position p22, the ball firing position p22 corresponding to the ball firing position p22 As the actual ball is fired in the hall, there is a difference between the image and the actual air launch point, so that the image and the actual are not connected naturally and the reality is deteriorated. Therefore, as described above, by shifting or rotating or shifting the image, And the locus Tb of the ball VB passes through the ball firing position p22.

8C shows a state in which the trajectory Tb of the virtual ball VB passes through the ball firing position p22 through the rotation of the image as described above, As shown in Fig.

When the image is rotated in the main image, the effective area 50 rotates in the direction of the arrow (clockwise in the drawing) as shown in FIG. 8C on the entire virtual tennis court, Tb) passes through the ball firing position p22.

The rotation of the image in the main image may be performed slowly during the movement of the virtual ball, or may be performed before the virtual ball starts, or may be performed quickly with the start of the virtual ball.

When the virtual ball VB reaches the ball firing position p22 in FIG. 8 (c), the image of the virtual ball movement according to the subsequent trajectory is omitted, and the actual ball machine fires the actual ball .

Examples of the change of the main image according to the shifting, rotation, shifting, and rotation of the image and the change (change on the court information display section) on the entire virtual tennis court at that time are shown in Figs. 9 and 10 .

9A and 9B show the simulation image viewed by the player, that is, the main image 500 on the screen screen, and FIGS. 9C and 9D show the simulation image And a court information display unit 600 that displays an entire virtual tennis court with respect to the main image 500 shown in FIG.

10 (a) and 10 (b) similarly show the main image 500, and FIGS. 10 (c) and 10 (d) show the court information display section 600, respectively.

9 shows a case where an image (that is, a main image) is shifted so that the trajectory Tb of the virtual ball VB to which the virtual opponent player VP is struck passes through the ball launch position p22 Respectively.

That is, in the video 500 as shown in FIG. 9A, the virtual opponent player VP starts to move and start to move (that is, the motion condition of the virtual ball is determined, A situation in which the trajectory Tb of the virtual ball VB passes a position somewhat distant from the ball launching position p22 occurs.

At this time, the controller determines whether the image is to be shifted, rotated, or shifted. For example, if it is determined that the image is to be shifted, the control apparatus calculates the shifting distance of the image.

The decision as to whether to shift the image, rotate it or shift it can be done by a program designed to make the changes due to shifting of the image look natural or dynamical.

For example, the program may determine to shift the image if the trajectory of the virtual ball and the ball firing position are less than a preset distance, and may decide to rotate the image to implement a more dynamic screen image. Also, it may be determined to rotate the image while shifting the image if the trajectory of the virtual ball and the ball firing position are longer than a predetermined distance.

Of course, it is also possible to implement a change in the image in a manner different from that described above. For example, as described above, the process of determining whether to shift the image, whether it is shifted, rotated, or shifted is omitted, The virtual ball is moved from the moment when the virtual player hits the virtual ball to the determined motion condition and the ball is fired at the ball position along the trajectory It is possible to change the image during the calculated time by the predetermined image change method as described above.

For example, a method of changing a video image by shifting the video image is predetermined, a virtual ball is moved from a virtual player's hitting the virtual ball to a determined motion condition, And it is possible to rotate the image while shifting the image during the calculated time.

In addition, if the image is shifted, rotated or shifted while shifting, or in any case, the shifting distance and / or the angle of rotation of the image is calculated, the image is shifted and / or rotated before the virtual ball starts, An image in which a virtual ball is started and simulated can be implemented later.

9A, before the virtual ball moves under the motion condition of the virtual ball determined in the state shown in FIG. 9A, the controller calculates the shifting distance of the image as described above, And then the virtual ball starts to move under the above-described motion condition, so that the virtual ball VB on the trajectory Tb as shown in FIG. 9 (b) p22 < / RTI >

9 (a) and 9 (c) are referred to as " undone state " if the shifting of the image is performed naturally during the calculated time since the virtual ball starts to start with the above- 9 (b) and 9 (d) is referred to as a "shifting state", the shifting distance corresponds to the distance between the locus Tb and the ball firing position p22, and the shifting time The screen change time from the original state to the shifting state corresponds to the time required for the ball on the locus Tb to simulate and reach the position p22 of the ball shooting hole 22 on the image, And also the motion conditions such as the speed, direction, and height of the ball hit.

At this time, as shown in FIGS. 9C and 9D, the situation on the image can be represented through the court information display unit 600 indicating the entire virtual tennis court.

FIG. 9C shows the state of the main image 500 shown in FIG. 9A, and FIG. 9D shows the state of the main image 500 shown in FIG. 9B.

9 (c) and 9 (d), the effective area 500 can be regarded as an area in which the player can effectively play, and a portion viewed by the viewing angle AOV viewed from the front of the effective area 500 is the main video (500).

Corresponding to the change of the image in the state as shown in (b) by shifting the image in the state as shown in Fig. 9 (a), in the state as shown in Fig. 9 (c) The image is shifted in the direction of the arrow to become the state as shown in (d). 9 (c) is an image 500 shown in FIG. 9 (a), and the portion of the portion shown by the viewing angle AOV shown in FIG. 9 (d) Is an image 500 shown in FIG. 9 (d).

9 (a) and 9 (c), it is also possible to change the image so that the virtual ball trajectory is rotated to the ball shooting position while the image is shifted. .

10A and 10C are the same as FIGS. 9A and 9C, and are shifted in the direction of the arrow in the state shown in FIGS. 10A and 10C, And changes to a state as shown in Figs. 10 (b) and 10 (d).

At this time, as described above, before the virtual ball moves under the motion condition of the virtual ball determined in the state as shown in FIGS. 10A and 10C, the control device controls the shifting distance of the image, and The image 500 is rotated by the calculated angle while shifting the image 500 by the calculated distance to calculate the angle of rotation so that the image 500 is changed as shown in FIGS. 10 (b) and 10 (d) So that the virtual ball VB on the trajectory Tb can start to reach the ball launching position p22.

Of course, it is also possible to calculate the time from the start of the virtual ball to the launch position (p22), and rotate the image while shifting the image in a predetermined manner for the calculated time (shifting distance and rotation angle separately Without calculation, shifting and rotation are performed according to a preset program, and only the time is calculated and shifting and rotation are performed according to the predetermined conditions during that time).

In implementing the above-described 'shifting' and 'turning', the control device considers the motion condition and the trajectory of the virtual ball hit by the virtual opponent player according to the tennis artificial intelligence, and the ball shooting position p22 In consideration of the distance and time of the shifting and the angle and time of the rotation (or the time of the entire image change when the shifting and rotation occur in a fixed pattern), the most various changes By implementing a predetermined algorithm for the conditions, a player who plays a virtual tennis game can feel the sense of reality and immersion.

As described above, when the virtual ball VB reaches the ball firing position p22 on the image, the virtual ball VB disappears and the ball machine fires the actual ball through the ball shooting hole.

That is, the control device determines the ball launching direction and the ball launching speed of the ball machine so that the ball machine fires the ball on the extension line of the imaginary ball trajectory on the image, and transmits the determined ball launching speed and ball launching speed to the ball machine, Preparing the ball so that the ball can be fired at the determined ball launch direction and the ball launching speed, wherein the virtual ball reaches the ball launch position on the image, and, depending on the determined ball launch direction and ball launch speed, To fire the ball through the hole.

Here, firing the ball on the 'extended line' may mean that the ball machine fires the ball in the same direction and speed as the trajectory of the virtual ball on the image passes through the ball firing position, Means that the ball machine calculates the ball launching direction and the ball launching speed by a separate calculation method so as to correspond to the same direction and speed as the moving direction, and fires the ball in the determined ball launching direction and speed You may.

A control method of the virtual tennis simulation system according to another embodiment of the present invention will be described with reference to FIGS. 11 to 14. FIG.

When playing tennis with the opponent player in real tennis, the player can either take the ball to the net side, ie, forward or backward, depending on which ball the opponent player sends the ball to, .

For example, when the ball received by the opponent player falls to the player's service court side, the player may run to the net and receive the ball to be bound or receive the ball before the ball is bound, and the ball that the opponent player has received passes long behind the player's service court If you come and fall, the player may retreat to the back of the court and receive the ball being bound.

The virtual tennis simulation system according to the present invention applies the virtual tennis simulation game as described above to the virtual tennis simulation game by applying the real sense of the actual tennis game described above to the virtual ball speed or the virtual ball motion condition The player can move the screen image backward (in the direction away from the player) or perform the zoom-out processing according to the target point (the target point is described with reference to FIG. 8) (I.e., in a direction away from the camera) or zooming in.

11, a sensing device senses a ball that moves toward the screen according to a player's ball striking (S310), and when the ball reaches the screen, it is sensed by a sensing device to be generated The control device implements a simulation image in which a virtual ball moves to a virtual opponent player on the basis of the sensing data (S320), and determines the motion condition of the virtual ball at the hit position of the virtual opponent player on the video (S330).

The motion condition of the virtual ball may be information on the speed and direction of the virtual ball, or information on the vector direction and the vector value with respect to the ball motion, which is the same eventually.

When the virtual ball speed (the size of the ball motion vector) is determined according to the virtual motion condition of the ball, the controller moves (or zooms out) the screen image in the direction away from the player corresponding to the virtual ball speed, Alternatively, the screen image can be moved (or zoomed in) in a direction in which the screen image approaches the player (S332).

For example, if the speed of the virtual ball is greater, the screen image is moved or zoomed out in a direction away from the player (thereby causing the virtual opponent player to appear smaller and the opponent court to retract further from the video) ), The smaller the speed of the virtual ball, the more the player moves or zooms in on the screen image in the direction of approaching the player (so that the virtual opponent player becomes larger and the opponent court more ).

The degree of 'movement' of the screen image or the degree of zooming in or zooming out may be determined corresponding to the speed of the virtual ball. For example, the speed of the virtual ball may be divided into a preset interval, It is possible to set the direction and the degree of movement or the degree of the zoom-in or zoom-out in advance and change the screen image accordingly.

The control unit may control the 'moving' or the zooming / zooming out of the image as described above according to the speed of the virtual ball, but may also control according to the position of the target point according to the motion condition of the virtual ball.

That is, depending on the virtual ball's motion condition determined when the virtual opponent player strikes the virtual ball, depending on which position the virtual ball reaches along the trajectory, (Or zoom-in) the moving image in the moving direction (or zooming out), or moving (or zooming in) the screen image in the moving direction It can be defined as a point or an area where the virtual ball reaches. This is not a point at which the actual ball reaches the space actually played by the player, but a point at which the virtual ball reaches the virtual space Which corresponds to information previously calculated and known by the control unit).

For example, according to the motion condition of the virtual ball, as the target point of the virtual ball is closer to the net of the service court, the screen image is moved or zoomed in more toward the player (and accordingly, The player becomes larger and the opposing side of the court comes closer to the image), the further the target point of the virtual ball moves away from the service court, the more the image moves or zooms out in the direction away from the player The virtual opponent player on the video becomes smaller and the opponent court is further back on the video).

Meanwhile, the control unit may calculate one or both of the shifting distance and the rotation angle of the image so that the trajectory of the virtual ball according to the motion condition determined in the step S330 passes through the ball shooting position, The screen image is shifted or shifted or shifted according to the shifting distance and / or the angle of rotation of the image (S334).

At this time, the control unit may determine the ball shooting direction and the ball shooting speed of the ball machine so that the ball machine fires the ball on the extension line of the imaginary ball trajectory that moves according to the determined motion condition (S350).

When the change of the image is completed as described above, a virtual ball departure is performed in a motion condition determined according to a virtual ball strike by a virtual opponent player, and a simulation image in which a virtual ball moves is implemented (S360) When the virtual ball reaches the ball firing position (S370), the virtual ball disappears on the screen image, and the ball machine fires the actual ball through the ball firing hole at the ball firing position (S372).

When the ball is fired from the ball machine and the player hits the ball (S380), the steps subsequent to the above-described S310 and subsequent steps are started again and the virtual player on the image with the actual player can proceed to rally .

The above steps S332 and S334 may be performed sequentially or simultaneously, and an example of this operation will be described with reference to FIGS. 12 to 14. FIG.

FIG. 12 shows an example of the change of the screen image according to the step S332 of FIG. 11, FIG. 13 shows an example of the change of the screen image according to the step S334 of FIG. 11, (Preferably at a time interval which is too fast for the player to feel), and the screen image is moved or zoomed out in a direction away from the player.

14 is a case in which steps S332 and S334 of FIG. 11 are performed at the same time, and the screen image is moved or zoomed in a direction approaching the player.

12 and 13, when a virtual opponent player VP on a screen image 500 as shown in FIG. 12 (a) receives a virtual VB according to a motion condition determined when it receives a ball VB, The screen image 500 moves in the direction away from the player (from the viewpoint of the player) as shown in Fig. 12 (b) corresponding to the speed of the ball of the player or the position of the target point, Will go backward and appear smaller. Here, the reference numeral Tb denotes a trajectory to be moved in accordance with the motion condition in which the virtual ball VB is determined.

12C is a court information display unit 600 showing a state on the main image 500 shown in FIG. 12A in a plan view, FIG. 12D is a view showing a main image 500 shown in FIG. A court information display unit 600 that displays the state of the image on a flat surface.

12 (c)? (d) (a)? the effective area 50 on the court information display part 600 moves in the direction of the arrow toward the back of the court in accordance with the movement of the screen image as described above (movement in the direction away from the player) Respectively.

As a result, the player can feel a sense of reality as if the virtual opponent player withdraws to the back of the court in order to receive the ball received by the player quickly and for a long time.

In FIG. 12, AOV represents a viewing angle, and a portion viewed by the viewing angle is a portion shown by the main image 500, and p22 corresponds to a ball shooting position.

13 (a) and 13 (c) are the same states as those of FIGS. 12 (b) and 12 (d), so that the trajectory Tb of the virtual ball VB passes through the ball launching position p22 By shifting the image 500, as shown in Figs. (b) (Fig. 13 (c) - (d)).

Changing the screen image so that the trajectory of the virtual ball on the image passes through the ball firing position has been described in detail earlier, so that a description thereof will be omitted.

As shown in FIGS. 12 and 13, when a virtual opponent player (lung) receives a ball at a high speed according to a state in which a virtual opponent player VP on the video receives the ball VB, Shifting (or rotating or shifting) the video so that the trajectory Tb of the virtual ball passes through the ball launching position p22 while the video camera 500 is moved or zoomed out in the direction away from the player The virtual ball moves to the ball firing position p22 and the ball machine fires the ball while the virtual ball B moves in the state where the change is completed, As a player, you can play virtual tennis that goes beyond the virtual world and the real world by feeling like a real tennis player.

Meanwhile, FIG. 14 shows that the image is shifted while the screen image is moved or zoomed in the direction approaching the player, and the image is changed so that the trajectory of the virtual ball passes through the ball shooting position.

That is, the velocity of the virtual ball according to the motion condition determined when the virtual opponent player VP receives the ball VB on the video 500 shown in FIG. 14 (a) The screen image 500 moves (or is zoomed in) in the direction in which the screen image 500 approaches the player, as shown in FIG. 14 (b), and the virtual opponent player VP comes to the front and becomes larger And a screen image is shifted so that the trajectory Tb to be moved according to the determined motion condition of the virtual ball VB on the image 500 can pass through the ball launching position p22.

14 (a) and 14 (b) on the court information display unit 600 (c) and? (d), the effective area 50 on the court information display unit 600 is shifted in the direction of the arrow according to the movement of the screen image (movement in the direction approaching the player) and the shifting of the image as described above And is shifted to the side while moving toward the net.

Therefore, as a player, when a virtual player receives a short ball coming from a virtual opponent player, he approaches the front of the court in order to receive the virtual ball. At the same time, the actual ball comes out on the extension line of the virtual ball moving, You can feel it.

The virtual tennis simulation system and its control method according to another embodiment of the present invention will be described with reference to FIGS. 15 and 16. FIG.

Due to the nature of tennis play, the player can either go forward (to the net) and play, or backward (away from the net) to play.

The characteristics of the tennis game are also reflected in the virtual tennis simulation system according to the present invention so that the screen image is changed so as to correspond to the case where the player approaches the screen side and the case where the player moves toward the back side of the screen, So that the player can feel more realistic and play the game.

In the state shown in FIGS. 15A and 15C, the sensing device for detecting the player's position or the position of the screen image 500 corresponding to the sensed sensing device detects the player's position toward the back of the screen, (Or zoom-out) in a direction moving away from the player, the state shown in Figs. 15 (b) and (d) is shown.

16, in the state shown in (a) and (c), a sensing device or another sensing device senses that the player approaches the screen side, and in response to this, the direction in which the screen image 500 approaches the player (Or zoomed in) to the state shown in Figs. 16 (b) and 16 (d).

That is, the sensing device (or a separate sensing device) can sense the position of the player and acquire the position information thereof, and the control unit can process zooming in or zooming out of the screen image corresponding to the acquired position information of the player .

In this case, as the player moves closer to the position corresponding to the position of the player, the closer the player approaches, the more the player can zoom in on the screen image, or the more the player moves backward, the more the screen image zooms out As long as the player moves forward or backward by a predetermined distance regardless of the degree of change of the position of the player, it is possible to move or zoom in / out the screen image to a predetermined degree accordingly / Zoom out to a certain extent).

Therefore, in the virtual tennis game with a virtual opponent player, when the player approaches to the front and plays back while withdrawing backward, the screen image is appropriately zoomed in / out by appropriately changing to thereby enjoy a more lively and dynamic game It will be possible.

As described above, in the virtual tennis simulation system according to the present invention, even when a virtual opponent player on the image strikes various virtual balls in various situations and conditions by artificial intelligence or the like, the virtual in- So that the virtual tennis game in which the situation on the image is combined with the actual situation is implemented as a dynamic and realistic game like an actual tennis game There are features that make it possible.

100: Ball machine, 200: Sensing device
210: camera unit, 220: sensing processing unit
300: control device, 310: control unit
320: Data storage unit, 330: Image processing unit

Claims (18)

A control method of a virtual tennis simulation system in which a player can play tennis while striking a ball shot through a ball machine provided on a rear surface of the screen based on a video image projected on a screen,
A virtual opponent player on a screen image of the screen striking a virtual ball;
Changing the image according to a state in which a virtual ball is struck by the virtual opponent player on the image; And
A ball provided by the ball machine is fired in a ball shooting hole on the screen, when simulation of moving the virtual ball on the image is completed;
Wherein the virtual tennis simulation system comprises: The method according to claim 1,
Wherein the changing of the image comprises:
And changing the image so that a moving path of a virtual ball struck by the virtual opponent player on the image passes through a ball launching position that is a position corresponding to the ball shooting hole on the screen,
And the ball is fired by the ball machine in a ball shooting hole at the ball shooting position on an extension line on which the virtual ball moves. 3. The method of claim 2,
And shifting the image so that the moving path of the shot virtual ball passes the ball shooting position, rotating the image, or rotating the image while shifting the image. Method of controlling the system. 3. The method of claim 2,
Wherein the step of hitting the imaginary ball comprises:
Determining a motion condition of the virtual ball at a batting position of the virtual opponent player; and starting the virtual ball with the determined motion condition by the batting,
Wherein the changing of the image comprises:
A trajectory of a virtual ball moving at least one of shifting and rotating the image from a start time of the virtual ball or when the motion condition is determined and moving according to the determined motion condition passes through the ball launch position And controlling an image to be displayed on the virtual tennis simulation system. 3. The method of claim 2,
Wherein the step of hitting the imaginary ball comprises:
Determining a motion condition of the virtual ball at a batting position of the virtual opponent player; and starting the virtual ball with the determined motion condition by the batting,
Wherein the changing of the image comprises:
A shifting direction and a distance of an image in which a trajectory of a virtual ball moving according to the determined motion condition is allowed to pass through the ball launching position from a starting point of the virtual ball or when the motion condition is determined, And controlling at least one of shifting and rotating the image according to the calculated information so that the locus of the virtual ball passes through the ball launching position And controlling the virtual tennis simulation system based on the virtual tennis simulation result. 6. The method of claim 4 or 5, wherein the step of launching from a ball-
Determining a ball launching direction and a ball launching speed of the ball machine such that the ball machine launches a ball on an extension line of a virtual ball trace moving according to the determined motion condition;
Characterized in that said ball machine launches a ball through said ball firing hole in accordance with said determined ball firing direction and ball firing speed while said virtual ball reaches said ball firing position on said image A method of controlling a simulation system. 2. The method of claim 1, wherein changing the image comprises:
Moving or zooming out a screen image in a direction away from the player corresponding to a speed of a virtual ball hit by the virtual opponent player on the image or corresponding to a position of a target point according to a trajectory of the virtual ball, And changing the image to move or zoom in the direction of the screen image closer to the player. 2. The method of claim 1, wherein changing the image comprises:
Moving or zooming out a screen image in a direction away from the player corresponding to a speed of a virtual ball hit by the virtual opponent player on the image or corresponding to a position of a target point according to a trajectory of the virtual ball, Changing the image so as to move or zoom in the direction in which the screen image approaches the player;
Shifting the image so that a moving path of a virtual ball struck by the virtual opponent player on the image passes through a ball shooting position that is a position corresponding to the ball shooting hole on the screen, And shifting and rotating the image,
And the ball is fired by the ball machine in a ball shooting hole at the ball shooting position on an extension line on which the virtual ball moves. 9. The method of claim 8, wherein launching from a ball-
Wherein the virtual ball is hit by the virtual opponent player on the image, the motion condition for the movement of the virtual ball is determined, and on the extension line of the imaginary ball trajectory that moves according to the motion condition, Determining a ball launch direction and ball launch speed of the ball machine to fire the ball;
Characterized in that said ball machine launches a ball through said ball firing hole in accordance with said determined ball firing direction and ball firing speed while said virtual ball reaches said ball firing position on said image A method of controlling a simulation system. The method according to claim 3 or 8,
Further comprising the step of displaying a court information display unit that displays, on one side of the image, the player and the virtual opponent player shrinking the entire court for playing tennis. 11. The method of claim 10,
Wherein the step of displaying the court information display unit comprises:
And displaying on the court information display unit a player area which is an area corresponding to a space in which the player plays, and displaying a spot corresponding to the ball shooting position in the player area,
Wherein the changing of the image comprises:
Displaying a movement locus of the ball on the court information display unit corresponding to the movement of the virtual ball on the image,
And expressing that at least one of the entire court and the player area moves, rotates, moves and rotates on the court information display part corresponding to the change of the image according to the step of changing the image A method of controlling a virtual tennis simulation system. The method according to claim 1,
Sensing a position of the player by a sensing device or a separate sensing device for sensing the ball being hit by the player,
And moving or zooming out the screen image in a direction away from the player corresponding to the detected position of the player or changing the image to move or zoom in the direction in which the screen image approaches the player. A method of controlling a virtual tennis simulation system. A virtual tennis simulation system that allows a player to play tennis while striking a ball based on the image projected on the screen,
A ball machine provided on a rear surface of the screen to provide a ball to the player through a ball shooting hole formed on the screen; And
An image processing unit that implements an image related to a virtual opponent player hitting a virtual ball and moving the hit virtual ball as an image to be projected on the screen; and an image processing unit controlling the image processing unit and the ball machine, And a control unit including a control unit for allowing the ball machine to provide the ball in correspondence with the movement of the imaginary ball hit by the virtual opponent player,
Wherein,
Controlling the image processing unit to change the image according to a state in which a virtual ball is struck by the virtual opponent player on the image, and when the simulation in which the virtual ball moves on the image is completed, And to fire through a ball shooting hole on the screen. 14. The apparatus of claim 13,
Controlling the image processing unit to shift the image so that a moving path of a virtual ball struck by the virtual opponent player on the image passes through a ball shooting position corresponding to the ball shooting hole on the screen, Rotating the image, shifting the image,
And controls the ball machine so that the ball is fired by the ball machine in a ball firing hole at the ball firing position on an extension line on which the virtual ball moves. 14. The apparatus of claim 13,
Controlling the image processing unit to move the screen image in a direction away from the player corresponding to a speed of a virtual ball hit by the virtual opponent player on the image or corresponding to a position of a target point along a trajectory of the virtual ball Or changes the image so as to move or zoom in the direction in which the screen image approaches the player. 14. The apparatus of claim 13,
Controlling the image processing unit to move the screen image in a direction away from the player corresponding to a speed of a virtual ball hit by the virtual opponent player on the image or corresponding to a position of a target point along a trajectory of the virtual ball Or changes the image to move or zoom in the direction in which the screen image approaches the player,
Shifting the image so that a moving path of a virtual ball struck by the virtual opponent player on the image passes through a ball shooting position that is a position corresponding to the ball shooting hole on the screen, , And by rotating the image while shifting,
And controls the ball machine so that the ball is fired by the ball machine in a ball firing hole at the ball firing position on an extension line on which the virtual ball moves. 17. The apparatus according to claim 14 or 16,
Determining a motion condition for movement of the virtual ball when the virtual ball is hit by the virtual opponent player on the image, and determining the motion condition of the virtual ball on the extension line of the imaginary ball trajectory, Determining a ball launching direction and a ball launching speed of the ball machine so as to fire the ball, and transmitting the determined ball launching direction and ball launching speed to the ball machine so that the ball machine can fire the ball with the determined ball launching direction and ball launching speed,
Wherein the virtual ball is configured to fire the ball through the ball shooting hole according to the determined ball shooting direction and ball shooting speed while the virtual ball reaches the position of the ball shooting hole on the image. system. 14. The method of claim 13,
A sensing device for sensing the ball hit by the player or a separate sensing device, sensing the position of the player by the sensing device or sensing device, and transmitting the positional information to the control device,
Wherein,
Controlling the image processing unit to move or zoom out the screen image in a direction away from the player corresponding to the detected position of the player or to change the image to move or zoom in the direction in which the screen image approaches the player Features a virtual tennis simulation system.

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