JP2010082341A - Program, information storage medium, and game console - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily transfer a player character to a relatively narrow-width second movement surface provided at a higher position than a first movement surface. <P>SOLUTION: A target vector Vn' is acquired by correcting a criterion sliding-direction vector Vn set on a rail 8, to a same dimension to a speed vector V of a player character. A vector difference ΔV between the target vector Vn' and the speed vector V is found, and a support force vector Vs is determined by adjusting the dimension by a function g(θ, ¾V¾), with a relative angle θ between the speed vector V of the player character 2 and the criterion sliding-direction vector Vn set on the rail 8, and the dimension (speed ¾V¾) of the speed vector V defined as arguments. A vector sum of the speed vector V and the support force vector Vs is found, the result is defined as a corrected new speed vector Vr and the movement of the player character 2 is controlled thereby. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a program for controlling movement of a moving body along a moving surface arranged in a three-dimensional virtual space and executing a predetermined game.

  In many recent video games, a background object is arranged in a three-dimensional virtual space to form a game space, and a player character or an NPC (non-playable character) object is arranged there. Then, movement and motion control of these character objects is performed by an operation input by the player and AI control based on a predetermined thinking routine. A game space image obtained by rendering an image obtained by photographing the state with a virtual camera is the basis of the game screen.

  The movement control of the character is controlled so as to move along the moving surface such as the ground, the deck, and the roof, except for the flight type character. At this time, hit determination is performed between the character and the moving plane, and if it is determined that the moving plane has been hit, the character cannot move beyond the moving plane. This prevents the character from being placed in the ground. Such hit determination between the character and the moving surface is called “floor hit determination”.

In the movement control of the character, control is performed so that the character collides with an elevation such as a wall surface of a building or a cliff and cannot proceed further, which is called “wall hit determination”.
In order to make wall hit determination easy, the moving plane is regarded as a ZX plane of the game space coordinate system with the height direction as the Y axis, and a “hit check map” that defines the boundary for determining wall hits using the ZX coordinates There is known a technique that uses what is called. In wall hit determination using a hit check map, collision determination between a ZX coordinate value of a player character or the like and a boundary defined in the hit check map is performed. In other words, it can be said that a plate model for hit determination having an infinite height in the Y-axis direction in which the position on the moving surface is defined by the coordinates of ZX is arranged.
In this case, since the component in the Y-axis direction is out of the collision determination, even if the player character jumps or floats off the ground due to the action of magic or an item, the wall hit determination is performed and the predetermined boundary line is exceeded. Can not be moved.

In a known technique, a technique in which an object pasted with this hit check map as a texture is arranged and shown as a so-called “radar screen” for grasping the relative position of the player character in the game space is also known (for example, , See Patent Document 1).
Japanese Patent No. 3215306

  Now, on the premise that the moving body is controlled to move along the moving surface arranged in the three-dimensional virtual space according to a predetermined pseudophysical law including a gravitational component, a standard moving surface (ground ) If the second moving plane is set at a position higher than (), and a game in which a player character or the like can jump on the second moving plane is also considered, the player character can be put on the block fence well because the width of the second moving plane is narrow. There is a problem that it becomes difficult.

In addition, as a technique for limiting the movement range of the player character, a method of defining a boundary only with ZX coordinates or setting an infinitely long plate model in the Y-axis direction (height direction) is used for hit check maps and hit determination. It can be said that it is very excellent because the amount of data to be used can be reduced. However, a problem arises when it is desired to set the second moving surface at a position higher than the standard moving surface (ground), such as a block fence, so that a player character or the like can jump on the second moving surface.
That is, if a boundary (invisible wall) is provided around the side surface of the block wall as in the prior art in order to make it rebound properly when a character hits the side surface of the block wall, the height direction (Y-axis direction) Because you can't enter infinity, even if you try to jump on the block wall, you can't enter the wall hit judgment and you can never get on.

  The present invention has been made in view of such circumstances, and an object of the present invention is to transfer a player character to a relatively narrow second moving surface provided at a position higher than the first moving surface. It is to make it easy. Desirably, the player character can control the second moving plane even when the boundary is defined only by the ZX coordinates or the infinitely long plate model is set in the height direction. It is.

According to a first invention for solving the above-mentioned problem, a predetermined game is controlled by causing a computer to move and control a moving body along a moving plane arranged in a three-dimensional virtual space according to a predetermined pseudo-physical law including a gravity component. A program for executing
A first moving surface (for example, the snow surface 6 in FIG. 2) and a second moving surface (for example, the upper surface of the rail 8 in FIG. 2) having a reference direction at a position higher than the first moving surface are Moving plane arrangement means for arranging in the three-dimensional virtual space (for example, the processing unit 200 in FIG. 9, the game calculation unit 210, the game space setting data 510, step S2 in FIG. 12),
A movement control means (for example, the process of FIG. 9) calculates a movement vector of the moving body according to the predetermined pseudo-physical law and controls the movement of the moving body along the first moving surface or the second moving surface. Unit 200, game calculation unit 210, step S12 in FIG. 12,
Transfer support determination means for determining whether to support transfer of the moving body onto the second moving surface (for example, the processing unit 200 in FIG. 9, the game calculation unit 210, the ON rail flag 542 in FIG. 11, Steps S30 to S32 in FIG. 12, Steps S34 to S36 in FIG. 13, Steps S50 to S54),
When a positive determination is made by the transfer support determination unit, a support force calculation unit (e.g., a support force calculation unit that calculates a support force for transferring the moving body onto the second moving surface based on a reference direction of the second moving surface). 9, the processing unit 200 in FIG. 9, the game calculation unit 210, the speed vector correction unit 216, and step S <b> 56 in FIG. 13,
The movement control means is a program for causing the computer to function so as to control the movement of the moving body by correcting the movement vector using the support force.

According to another aspect, there is provided a game device that executes a predetermined game by controlling movement of a moving body along a moving plane arranged in a three-dimensional virtual space in accordance with a predetermined pseudo-physical law including a gravity component. , A moving surface arranging means (for example, the control unit 1210 in FIG. 1) that arranges the first moving surface and the second moving surface having a reference direction at a position higher than the first moving surface in the three-dimensional virtual space. 9, the processing unit 200 in FIG. 9, the game calculation unit 210, the game space setting data 510, step S <b> 2 in FIG. 12,
A movement control means (for example, the control of FIG. 1) calculates a movement vector of the moving body according to the predetermined pseudo-physical law and controls the moving body along the first moving surface or the second moving surface. Unit 1210, processing unit 200 in FIG. 9, game calculation unit 210, step S12 in FIG. 12, and
Transfer support determination means for determining whether to support transfer of the moving body onto the second moving surface (for example, the control unit 1210 of FIG. 1, the processing unit 200 of FIG. 9, the game calculation unit 210, FIG. 11 ON rail flag 542, steps S30 to S32 in FIG. 12, steps S34 to S36 in FIG.
When the determination by the transfer support determination unit is affirmative, the support force calculation unit calculates a support force for transferring the moving body onto the second moving surface based on a reference direction of the second moving surface (FIG. 1 control unit 1210, the processing unit 200 in FIG. 9, the game calculation unit 210, the speed vector correction unit 216, and step S56 in FIG.
The movement control means may be realized as a game device that controls the movement of the moving body by correcting the movement vector using the support force.

  The “reference direction” here refers to the shape characteristic direction of the second moving surface (for example, the longitudinal direction or the direction in the case where the texture to be applied includes a direction indication pattern) or an appropriate game This includes the standard moving direction of the moving body that is determined (for example, a downward direction for a handrail, a downward or inclined direction for a snowboard park rail or fan box).

According to the first invention, on the assumption that the movement vector of the moving body is calculated according to a predetermined pseudo-physical law, it is determined whether or not the transfer of the moving body onto the second moving surface is supported, and necessary Then, based on the reference direction of the second moving surface, it is possible to calculate a support force for transferring the moving body onto the second moving surface and correct the movement vector.
Therefore, even if the second moving surface is a narrow surface such as a block fence, the player character can be easily placed on the upper surface.

  2nd invention is the program of 1st invention, Comprising: The said movement assistance determination means uses the position of the said moving body, the said movement vector, and the height position of the said 2nd moving surface, said 2nd Is a program for causing the computer to function to determine whether or not to support the transfer onto the moving surface.

According to the second invention, the same effect as that of the first invention is achieved, and when the player character approaches the second moving surface, the position of the moving body, the moving vector, and the height of the second moving surface. Execution / non-execution of speed vector correction based on the support force can be separated using the position as a parameter.
Thus, for example, if the moving body is a snowboarder character and the second moving surface is a structure provided locally on the slope, such as a rail or a fan box, whenever the snowboarder approaches the rail, Rather than getting on, it is possible to prevent getting on if a certain height and relative position are not aligned. Of course, if the conditions are not met, it will collide with the side of the rail. That is, play assistance and game reality can be adjusted appropriately.

  3rd invention is a program of 2nd invention, Comprising: The said movement assistance determination means uses said 2nd using the angle which the moving direction of the said mobile body and the reference direction of the said 2nd moving surface make. A program for causing the computer to function so as to determine whether or not to support transfer onto a moving surface.

  According to the third invention, the same effect as in the second invention can be obtained, and the approach angle of the moving body to the second moving surface can be used as a parameter for determining the necessity of transfer support. Therefore, with the use of a predetermined item and a predetermined character, a variety of game contents can be provided by providing a fantastic setting that allows you to ride on the second moving surface regardless of the angle you approach. It is also possible to cause the player to select the game difficulty level before starting the game, to make the angle condition stricter when the high difficulty level is set, and to loosen the angle condition when the low difficulty level is set.

  A fourth invention is the program according to any one of the first to third inventions, wherein the support force calculating means is configured to change the angle according to an angle between the movement vector and a reference direction of the second moving surface. This is a program for causing the computer to function so as to calculate the support force in a variable manner.

  According to the fourth invention, the same effect as any of the first to third inventions can be obtained, and the support force can be varied according to the approach angle of the moving body with respect to the second moving surface. Moderate transfer support can be realized.

  5th invention is a program of 4th invention, Comprising: The said assistance force calculation means calculates the said assistance force so that the said angle becomes large, when the said angle | corner is below a predetermined angle, The said predetermined angle The program for causing the computer to function so as to calculate that the support force is absent when the number exceeds.

  According to the fifth invention, the same effect as that of the fourth invention can be obtained, and when the approach angle becomes large to some extent, the transfer support effect can be prevented from being exhibited.

  A sixth invention is the program according to any one of the first to fifth inventions, wherein the support force calculation means calculates the support force in a variable manner according to a moving speed of the moving body. It is a program for causing a computer to function.

  According to the sixth invention, the same effect as any of the first to fifth inventions can be obtained, and the support force can be varied according to the approach speed of the moving body to the second moving surface. For example, the support force can be increased as the approach speed increases, and the transfer support can be made more reliable so as not to pass the second moving surface. On the other hand, when the approach speed is extremely high, it is possible to reduce the support force and to make a situation such as jumping over the second moving surface.

  A seventh invention is the program according to any one of the first to sixth inventions, wherein the support power calculating means calculates the support power in a variable manner based on a parameter indicating a game play state. It is a program for causing a computer to function.

The “parameter indicating the game play state” mentioned here includes a player character parameter determined based on a play situation from the start of the game of the player to the present and a past play history, and a parameter set for the player.
According to the seventh invention, the same effect as any of the first to sixth inventions can be obtained, and the support force can be varied, so that the game play can have diversity.

  As in the eighth aspect of the invention, the program according to any one of the first to seventh aspects of the invention is an operation control means (for example, a diagram) for causing the moving body to perform a predetermined action in response to a player's operation input. 9, the processing unit 200, the game calculation unit 210, the PC operation control unit 212, and steps S 18 to S 22 in FIG. 12), and the support force calculation means is configured to execute the predetermined action. It may be a program for causing the computer to function so as to vary and calculate the support force depending on whether or not there is.

  According to the eighth invention, the same effect as any of the first to seventh inventions can be obtained, and the support force can be varied depending on whether or not a predetermined action is being executed. For example, in a game where a snowboarder is a player character, a snowboard skill such as Indy, Week, One-Eighty, etc. is set as a predetermined action and the support power is set high, so that the rails etc. can be determined while determining a flashy trick This makes it possible to easily realize a superb combination technique such as riding a car and enhance the exhilaration of the game.

  Further, as in the ninth invention, the program according to any one of the first to eighth inventions, the item setting means for setting the possessed item of the moving object (for example, the processing unit 200 of FIG. 9, game calculation) Unit 210, item setting data 518, step S6 in FIG. 12, steps S24 to S26), and the support force calculation means varies the support force according to a predetermined item of the moving body. It can also be set as the program for functioning the said computer so that it may calculate.

  According to the ninth invention, the same effect as any of the first to eighth inventions can be obtained, and the support force according to the item possessing situation when the moving body approaches the second moving surface. Can be varied. For example, when a specific item is possessed, a higher support force than usual may be set, and by changing the support force based on the item, the enjoyment of the game can be enriched.

  Further, as in the tenth aspect of the invention, the program according to any one of the first to ninth aspects, wherein the computer functions as level setting means for setting the level of the moving body, and the support power calculation means However, the program may be a program for causing the computer to function so as to calculate the support force in a variable manner according to the level of the moving body.

  According to the tenth invention, the same effect as any of the first to ninth inventions can be obtained, and the support force can be changed according to the level of the moving body. As used herein, the “level of the moving body” is set as appropriate, such as the level indicating the stage of growth of the moving body in the game, the level of acquisition of specific skills, and the level determined from the proficiency level of the player determined from the game results. it can. For example, if the level of the moving body is set to the level of proficiency of the player, the support ability can be varied accordingly. Therefore, when the player who is proficient in the game and plays at an advanced level, the velocity vector V is corrected. By deliberately weakening, it becomes possible to relatively increase the difficulty level of the game and to set “response” according to the skill of the player.

  An eleventh invention is the program according to any one of the first to tenth inventions, wherein the support force calculating means calculates the support force as a rotational force that changes the direction of the movement vector. Is a program for making

  According to the eleventh invention, the same effect as any of the first to tenth inventions can be obtained, and the direction of the velocity vector can be corrected. It can be shown to ride on the second moving surface.

The twelfth invention is a program according to any one of the first to eleventh inventions,
The moving surface arranging means causes the computer to function so as to arrange the second moving surface at a position higher than the height of the moving body from the first moving surface;
Wall object setting means for setting a non-displayed wall object (for example, the wall hit determination model 30 in FIG. 3) above the second moving plane (for example, the processing unit 200, the game calculation unit 210 in FIG. 9, and FIG. 12). Step S2),
Reference position setting means (for example, the processing unit 200 and the game calculation unit 210 in FIG. 9) sets a reference position (for example, the determination reference point 42 in FIG. 5) so as to accompany the moving body in the forward direction of the moving body. , Step S28 in FIG.
Wall hit valid / invalid setting means for effectively setting hit determination with the wall object when the moving plane immediately below the reference position is the first moving plane, and invalidating the hit determination with the second moving plane. (For example, the processing unit 200 in FIG. 9, the game calculation unit 210, step S38 in FIG. 13),
Function the computer as
Furthermore,
The movement control means is a program for causing the computer to function so as to perform movement control of the moving body by performing hit determination between the moving body and the wall object according to the setting by the wall hit valid / invalid setting means. .

According to the twelfth invention, the same effect as any of the first to eleventh inventions can be obtained, and a non-displayed wall object can be provided above the second moving surface. On the other hand, when the reference position is set to accompany the moving body in the moving direction of the moving body, and the moving surface immediately below the reference position is the first moving surface, the moving body is in the second movement. It is determined that the object is not moving above the surface, and the hit determination with the wall object is set to be effective. In the case of the second moving surface, the moving object moves above the second moving surface or It can be determined that the player is about to land on the second moving surface, and the hit determination can be set invalid. Then, according to the setting of valid / invalid hit with the wall object, it is possible to control the movement of the moving body by performing a hit determination between the moving body and the wall object.
Therefore, when the moving body is in an appropriate relative positional relationship so that it can pass over or land on the second moving surface, the wall hit determination is invalidated and the second moving surface is disabled. If the relative position is such that the moving body cannot pass over the second moving surface or land on the second moving surface, It is possible to make it impossible to pass or transfer by enabling.

  Further, if the wall object is provided not only above the second moving surface but also below, the structure having the second moving surface is in a relative positional relationship that cannot pass or land above the second moving surface. It is possible to reproduce the phenomenon of colliding with the side of an object (for example, a block fence or a fan box or rail in a snowboard game).

  The thirteenth invention is a computer-readable information storage medium storing the program according to any of the first to twelfth inventions. The “information storage medium” mentioned here includes, for example, a magnetic disk, an optical disk, an IC memory, and the like. According to the thirteenth invention, by causing a computer to read and execute any one of the programs of the first to twelfth inventions, causing the computer to exert the same effect as any of the first to twelfth inventions. Can do.

[First Embodiment]
Next, as a first embodiment, an example in which a home game device is cited as a game device to which the present invention is applied and a snowboard game is executed will be described.

[Configuration of game device]
FIG. 1 is a system configuration diagram illustrating a configuration example of a consumer game device according to the present embodiment. As shown in the figure, the consumer game device 1200 includes a game device main body 1201, a game controller 1230, and a video monitor 1220.

  The game apparatus main body 1201 includes, for example, a control unit 1210 on which a CPU, an image processing LSI, an IC memory, and the like are mounted, and information storage medium reading devices 1206 and 1208 such as an optical disk 1202 and a memory card 1204. The home game device 1200 reads the game program and various setting data from the optical disk 1202 and the memory card 1204, and the control unit 1210 executes various game operations based on operation inputs made to the game controller 1230. Run a video game.

  The control unit 1210 includes various microprocessors such as a CPU (Central Processing Unit), GPU (Graphics Processing Unit), and DSP (Digital Signal Processor), and electrical and electronic devices such as an ASIC (Application Specific Integrated Circuit) and an IC memory. Each part of the game apparatus 1200 is controlled. The control unit 1210 includes a communication device 1212 that is connected to a communication line 1 such as the Internet, a LAN (Local Area Network), or a WAN (Wide Area Network) to realize data communication with an external device.

  The game controller 1230 includes a push button 1232 provided on the top surface of the controller used for determination and cancellation of selection, timing input, and the like, push buttons 1233R and 1233L provided on the left and right front sides, A direction input key 1234 for individually inputting left and right directions, a right analog lever 1236R, and a left analog lever 1236L are provided.

  The right analog lever 1236R and the left analog lever 1236L are direction input devices capable of simultaneously inputting the two-axis directions of the vertical direction and the horizontal direction as shown in the figure. Normally, the game controller 1230 is held with the left and right hands, and each lever is operated with a thumb attached. By tilting the lever, it is possible to input an arbitrary direction including a biaxial component and an arbitrary operation amount corresponding to the tilting amount of the lever. Also, any analog lever can be used as a push switch by pushing it in the axial direction of the lever from a neutral state where no operation is input.

  In this embodiment, the push button 1232 is used to input an acceleration or deceleration operation of a skier as a player character, and a left / right turn operation is input using the direction input key 1234 or the left analog lever 1236L.

  The control unit 1210 of the game apparatus main body 1201 generates a game image and game sound based on the detection signal and the operation input signal received from the game controller 1230, and executes the video game. The generated game image and game sound are output to a video monitor 1220 (display monitor) connected by a signal cable 1209. The video monitor 1220 includes a flat panel display 1222 that displays an image and a speaker 1224 that emits sound, and the player emits sound from the speaker 1224 while watching the game image displayed on the flat panel display 1222. Play the game while listening to the game sound.

  In this embodiment, the necessary program and various setting data are read from the optical disk 1202 or the memory card 1204. However, the communication device 1212 of the control unit 1210 uses the Internet, LAN (Local Area Network), WAN (Wide Area). It is also possible to connect to a wired / wireless communication line 1 such as a network and download from an external device.

[Description of game outline]
Next, FIG. 2 is a diagram for explaining an outline of the snowboard game in the present embodiment. In the snowboard game according to the present embodiment, a virtual ski area or snowboard park is formed as a game space in the three-dimensional virtual space, and the player operates the snowboarder player character 2 in the snowboard 6 or snowboard 6 You can enjoy virtual snowboarding by sliding on rail 8. Special items 9 are also set in places on the snow surface 6. When the player character 2 hits the special item 9, the item can be acquired. In the present embodiment, when the special item 9 is acquired, an effect that it is easy to ride on the rail 8 (easy to transfer) is obtained.

  The rail 8 is a structure that forms an artificial sliding surface (second moving surface) that is locally higher than the snow surface 6 (first moving surface), and is provided locally at various locations on the snow surface 6. It has been. As the name suggests, the outer shape of the rail 8 is similar to a block rod that is long in the downward slope direction but narrow in width and flat on the top surface. The position of the upper surface of the rail 8 is almost equal to the snow surface 6 on the upstream side of the slope, and the height of the player character 2 is higher than the snow surface 6 on the downstream side of the slope. In snowboard terms, it corresponds to a structure called “handrail” or “fan box”. In the present embodiment, the rail 8 is a long structure having a rectangular shape or a belt shape when viewed from above, but it is needless to say that the rail 8 may be a target shape such as a square or a circle when viewed from above. Furthermore, the object for providing the second moving surface is not limited to a fixed structure such as the rail 8, but is set to a movable or movable object such as a cow, a horse, a person, or a truck bed. You can also.

  In order to slide the player character 2 on the rail 8, the player character 2 can be slid down on the rail 8 from the snow surface 6 on the upstream side of the rail 8 as in the route 10 in FIG. As in FIG. 12, it is necessary to approach from the side of the rail 8 to make the player character 2 jump and get on with good timing. Even if approaching from the side, if the jump is not made, it will collide with the side surface of the rail 8 like the route 14.

[Hit determination for rails]
FIG. 3 is a schematic perspective view showing an example of the configuration and arrangement of a model related to the rail 8 in the present embodiment. As shown in the figure, in the game space coordinates having three XYZ orthogonal axes with the height direction as the Y axis, a snow surface model 20 that is a display model for forming the slope of the snow surface 6 is in the ZX plane direction. An invisible (non-display) normal floor hit determination model 22 for determining a position when the player character 2 slides on the snow surface 6 is set on the upper surface. When the player character 2 hits the normal floor hit determination model 22, the player character 2 is not moved downward any more and apparently does not get caught in the snow surface 6. In the figure, for the sake of clarity, a gap is intentionally provided between the two, but in actuality, the upper surface of the snow surface model 20 and the normal floor hit determination model 22 are set to the same height. It is assumed that

  A rail model 24, which is a display model of the rail 8, is arranged on the upper surface of the snow surface model 20, and the upper surface of the rail model 24 is the same size as the upper surface of the rail model 24 and is invisible (not displayed). 28 is set. The rail floor hit determination model 28 is used to determine whether or not the player character 2 is on the rail 8. The rail floor hit determination model 28 is illustrated at a position slightly lifted from the upper surface of the rail model 24 from the viewpoint of easy viewing, but is actually provided at the same height as the upper surface of the rail model 24. Shall.

  In addition, wall hit determination models 30 are provided along the front, rear, left, and right outer peripheral surfaces of the rail model 24, respectively. The wall hit determination model 30 is the same as the width of each outer peripheral surface of the rail model 24 that is close to each other, but the height from the upper surface of the snow surface model 20 is set to infinity. That is, the X and Z coordinates of the game space coordinate system of the player character 2 are compared with the X and Z coordinates for which the wall hit determination model 30 is set, and if it is determined that the player character 2 is hit, Regardless of the height of the player character 2 from the snow surface 6, it is impossible to proceed beyond the wall hit determination model 30. The wall hit determination model 30 is also shown at a position slightly away from the side surface of the rail model 24 from the viewpoint of visibility of the figure, but in reality, it is standing at a position in close contact with the side surface. To do.

  Now, since the wall hit determination model 30 at infinity in the height direction surrounds the outer periphery of the rail model 24, the player character 2 cannot get on the rail model 24 as it is. Therefore, in the present embodiment, control for switching between valid / invalid of the wall hit determination model 30 is performed based on the relative positional relationship between the player character 2 and the rail floor hit determination model 28.

  FIGS. 4 to 6 are diagrams for explaining the concept of switching the wall hit determination model 30, and are views showing the state of the player character 2 from the side along with the longitudinal section of the rail 8.

In FIG. 4, the player character 2 is sliding on the snow surface 6 from the side of the rail 8 (left side facing the tilt direction). Incidentally, in the example of FIG. 2, the state of sliding along the route 14 corresponds to this.
In order to control the validity / invalidity of the wall hit determination model 30, first, a hit determination area 40 having a predetermined radius is set from the current representative point G of the player character 2, and an extension line of the hit determination area 40 and the velocity vector V is set. Is determined as the determination reference point 42. That is, the determination reference point 42 is set at a position set to accompany the player character 2 ahead of the player character 2 in the traveling direction.
Then, the nearest hit determination model located immediately below the determination reference point 42 (in the negative direction of the game space coordinate system Y axis) is searched. In the situation shown in the figure, the normal floor hit determination model 22 is searched. When the normal floor hit determination model 22 is searched, the wall hit determination model 30 is set to “valid”.
As a result, in the situation of FIG. 4, the player character 2 is repelled by hit determination with the wall hit determination model 30 set on the left side surface of the rail model 24. On the game screen, the player character 2 will collide with the structure of the rail 8 and fall down.

On the other hand, in FIG. 5, the player character 2 jumps before the rail 8 and approaches from the side of the rail 8 while gliding. In the example of FIG. 2, the route 12 corresponds to this.
In this case, the rail floor hit determination model 28 is searched as the nearest hit determination model immediately below the determination reference point 42, and the wall hit determination model 30 is set to “invalid”. As a result, even if the player character 2 moves as it is, it is not repelled by hit determination with the wall hit determination model 30 set on the left side surface of the rail model 24, and as shown in FIG. It is possible to ride on top.

[Principle of speed vector correction by transfer support]
In the present embodiment, a transfer support function is provided that corrects the velocity vector V of the player character 2 and makes it easier to ride the rail 8.
Specifically, as shown in FIG. 5, when the determination reference point 42 exists above the rail floor hit determination model 28, it is determined that it is necessary to support transfer to the upper surface of the rail 8, and whether support is necessary or not. ON rail flag is set to “1 (requires support)” as information indicating that the ON rail flag is “1” until the player character 2 falls off the rail 8, and the representative point G of the player character 2 and the determination When the ZX coordinate position of the reference point 42 goes out of the rail floor hit determination model 28, it is returned to “0”.)
Further, the range from the upper surface of the rail 8 to the upper predetermined height range is set as the speed correction execution range 46, and further support for transfer support that the height position of the determination reference point 42 is within the speed correction execution range 46. It may be added as a condition.

  In a state where transfer assistance is necessary, the current speed vector V is corrected to a speed vector Vr as shown in FIG. The speed vector Vr is closer to the direction of the reference running direction vector Vn than the speed vector V in which the direction of the vector is set unique to the rail 8.

  The reference sliding direction vector Vn is a vector indicating a reference direction for sliding on the upper surface of the rail 8. In the present embodiment, since a snowboard rail, box, or the like installed in the ski area is assumed, the vector is directed to the longitudinal direction (reference direction) of the upper surface of the rail 8 and to the lower side of the slope.

  That is, if the speed vector V is directed to the right relative to the reference running direction vector Vn (vector directed to the reference direction), the direction of the speed vector V is corrected to the left, and the speed vector V is relative. If it is directed leftward, it can be corrected rightward. Therefore, when the approach angle of the player character 2 to the rail 8 is deep, and normally it exceeds the rail 8 and falls to the opposite side of the approach side, the direction of the velocity vector V is set to the reference running direction vector Vn. When the player character 2 reaches the upper side of the rail 8 by repeating the correction process so as to approach the direction at every frame time (for example, 1/60 second), the direction of the velocity vector V is the reference running direction vector. The state is closer to or the same as the direction of Vn, and it appears to land on the rail 8 smoothly in appearance.

  More specifically, first, a vector difference (ΔV) between the target vector Vn ′ in which the magnitude of the reference running direction vector Vn is corrected to the same magnitude as the speed vector V and the speed vector V is obtained. Next, the vector difference ΔV is multiplied by a function value of a predetermined function g (θ, | V |) having arguments of the relative angle θ and the magnitude (speed | V |) of the velocity vector V, and the player The coefficients k1 and k2 determined in accordance with the character state are multiplied, and the magnitude is made smaller than the vector difference ΔV without changing the direction, thereby obtaining the support force vector Vs.

  For example, as shown in FIG. 8A, the function g (θ, | V |) provides a correction execution upper limit value (for example, 60 °) at which correction is executed for the relative angle θ. It is set so that it increases as θ increases, and is set to “0” if it is greater than the correction execution upper limit. The speed | V | of the speed vector V is set so as to increase as the speed | V | increases, as shown in FIG. However, the function value g (θ, | V |) is preferably set to reach the upper limit value | Vm | Note that the function g (θ, | V |) = function g1 (θ) × function g2 (| V |) may be divided into a function of the relative angle θ and a function of the velocity vector V.

  As parameters indicating the player character state, in this embodiment, the execution state of a trick action (snowboard technique such as indie, tweek, and one-eighty) as the motion state and the possession state of the special item 9 as the equipment state are used. To do.

As for the execution state of the trick action, execution of trick action operation control is detected, and the coefficient k1 is determined and multiplied so that the coefficient value at the time of execution becomes larger than the coefficient value at the time of non-execution. For example, the coefficient k1 = 1.0 during execution and the coefficient k1 = 0.8 during non-execution.
In other words, when approaching the rail 8 while performing a trick action, the support force vector Vs is increased, the correction strength is further increased, and the rail 8 is easily corrected. The coefficient k1 is not limited to one, and different values can be prepared according to the type of trick action and the difficulty level.

Regarding the possession status of an item, in the present embodiment, when the player character 2 sliding on the special item 9 arranged on the snow surface 6 is applied, the item is in an acquisition state. Therefore, according to the possession state of the special item 9, the coefficient k2 is determined and multiplied so that the coefficient value in the acquired state is larger than the coefficient value in the unacquired state. For example, the acquired state coefficient k2 = 0.9 and the unacquired state coefficient k2 = 0.7.
That is, when approaching the rail 8 with the special item 9 acquired, the support force vector Vs is increased, the correction strength is further increased, and the rail 8 is corrected to be easily ridden. The coefficient k2 is not limited to one, and a different value can be prepared depending on the type of the acquired item. Furthermore, instead of the coefficient, it can be defined by a predetermined function such as a function corresponding to the elapsed time since acquisition.

  When the support force vector Vs is obtained, the support force vector Vs is applied as a rotational force that rotates the speed vector V around the representative point G in the direction of the reference sliding direction vector Vn. Specifically, the vector sum of the velocity vector V and the support force vector Vs is obtained. This is the corrected velocity vector Vr.

  In the example of FIG. 7, the reference running direction vector Vn is described as if it is a single vector. However, in the case where the rail 8 is meandering left and right along the snow surface 6, the rail Different reference sliding direction vectors Vn may be defined in advance for each of the eight upper surface positions.

[Description of functional block]
Next, a specific configuration for realizing the game as described above will be described.
FIG. 9 is a functional block diagram illustrating an example of a functional configuration of the consumer game device 1200 according to the present embodiment. As shown in the figure, the present embodiment includes an operation input unit 100, a processing unit 200, a sound output unit 350, an image display unit 360, a communication unit 370, and a storage unit 500.

  The operation input unit 100 is realized by input devices and sensors such as a push button, a lever, a touch pad, a dial, a keyboard, a mouse, various pointers, an acceleration sensor, and a tilt sensor, and is used for various operation inputs made by a player. In response, an operation input signal is output to the processing unit 200. The game controller 1230 in FIG. 1 corresponds to the operation input unit 100.

  The processing unit 200 is realized by electronic components such as a microprocessor, an ASIC (application specific integrated circuit), and an IC memory, for example. The processing unit 200 inputs and outputs data to and from each functional unit, and inputs a predetermined program, data, and operation input. Various arithmetic processes are executed based on the operation input signal from the unit 100 to control the operation of the consumer game device 1200. In FIG. 1, the control unit 1210 built in the game apparatus main body 1201 corresponds to the processing unit 200.

  The processing unit 200 in the present embodiment includes a game calculation unit 210, a sound generation unit 250, an image generation unit 260, and a communication control unit 270.

  The game calculation unit 210 executes processing related to the progress of the game. For example, a process of forming a game space in the three-dimensional virtual space by arranging objects such as the snow surface 6, rails 8, and special items 9 or arranging an invisible hit determination model such as the wall hit determination model 30. Do. In addition, an object to be executed includes a motion control process, a hit determination process, a physics calculation process, and a game result determination process for objects placed in the game space.

  More specifically, the game calculation unit 210 of this embodiment includes a PC (player character) motion control unit 212, a wall hit determination unit 214, and a velocity vector correction unit 216.

  The PC motion control unit 212 performs motion control such as acceleration / deceleration / turn / jump / trick action of the player character 2 based on the operation input made to the operation input unit 100. In the present embodiment, since the player character 2 wears a snowboard, the trick actions include indy, two weeks, one eighty, and the like.

The wall hit determination unit 214 performs so-called “wall hit processing” by comparing the ZX coordinates to determine a hit. In the present embodiment, the determination reference point 42 is set on the extension line of the velocity vector V from the current representative point G of the player character 2. If the nearest hit determination model immediately below the fixed reference point 42 is the normal floor hit determination model 22, the wall hit determination model 30 is set to “valid”, and the nearest hit determination model immediately below is the rail floor hit determination model 28. If so, the wall hit determination model 30 is set to “invalid” and the wall hit determination process is performed.
Of course, when the “hit is present” determination is made in the wall hit determination process, the player character 2 is processed so as not to advance beyond the hit determination model determined in the same manner as in a known video game.

The speed vector correction unit 216 corrects the direction of the speed vector V so as to approach the direction of the reference running direction vector Vn of the rail 8 so that the player character 2 can easily ride on the upper surface of the rail 8.
The present embodiment first has a function of determining whether or not transfer support is necessary by determining whether or not the determination reference point 42 exists above the rail wall hit determination model 28.
Second, a support force vector Vs for correcting the speed vector V is calculated based on the relative angle θ between the speed vector V and the reference running direction vector Vn of the rail 8 and the speed | V | of the speed vector V. It has a function. Specifically, a target vector Vn ′ in which the magnitude (speed) of the reference running direction vector Vn is corrected to be equal to the magnitude (speed) | V | of the speed vector V is calculated, and the target vector Vn ′ and the speed are calculated. The magnitude of the difference ΔV from the vector V is defined by a predetermined function g (θ, | V |), a coefficient k1 determined by the execution state of the trick action, and a coefficient k2 determined by the possession state of the special item 9. Multiply it to make it a support force vector Vs. The function g (θ, | V |) of the present embodiment is a function that is calculated such that a larger function value is calculated as the relative angle θ is larger and a larger value is calculated as the speed | V | is larger. It is not limited. The function g (θ, | V |) is appropriately set by the game creator in consideration of the game balance.

  The sound generation unit 250 is realized by a known technique such as a processor such as a digital signal processor (DSP) or a control program thereof, and based on the processing result by the game calculation unit 210, the sound generation unit 250 generates sound effects, BGM, and various operation sounds related to the game. A sound signal is generated and output to the sound output unit 350.

  The sound output unit 350 is realized by a device that outputs sound effects, BGM, and the like based on the sound signal input from the sound generation unit 250. In FIG. 1, the speaker 1224 of the video monitor 1220 corresponds to this.

  The image generation unit 260 is realized by a known technique such as a processor such as a digital signal processor (DSP), a control program thereof, a drawing frame IC memory such as a frame buffer, and the like. For example, the image generation unit 260 generates one game image in one frame time (1/60 seconds) based on the processing result by the game calculation unit 210, and outputs an image signal of the generated game image to the image display unit 360. To do.

  The image display unit 360 displays various game images based on the image signal input from the image generation unit 260. For example, it can be realized by an image display device such as a flat panel display, a cathode ray tube (CRT), a projector, or a head mounted display. In FIG. 1, the flat panel display 1222 of the video monitor 1220 corresponds to this.

  The communication control unit 270 executes data processing related to data communication, and realizes data exchange with an external device via the communication unit 370.

  The communication unit 370 is connected to the communication line 1 to realize communication. For example, it is realized by a wireless communication device, a modem, a TA (terminal adapter), a cable communication cable jack, a control circuit, and the like, and the communication device 1212 corresponds to this in FIG.

  The storage unit 500 stores pre-defined programs and data, and is used as a work area of the processing unit 200. The calculation result executed by the processing unit 200 according to various programs, input data input from the operation input unit 100, and the like. Is temporarily stored. This function is realized by, for example, an IC memory such as a RAM and a ROM, a magnetic disk such as a hard disk, and an optical disk such as a CD-ROM and DVD.

  The storage unit 500 in this embodiment includes a system program 502 for realizing various functions for causing the processing unit 200 to control the game apparatus 1200 in an integrated manner, a game program 504 necessary for executing a game, and various types of programs. Store data etc. When the processing unit 200 reads and executes the game program 504, the processing unit 200 can realize the function as the game calculation unit 210.

  The storage unit 500 stores game space setting data 510 and character initial setting data 528 as data prepared in advance. Furthermore, character status data 530 is stored as data generated as the game progresses and rewritten as needed. In addition, as information necessary for executing processing relating to the progress of the game, for example, data such as angle of view, line-of-sight direction, and posture information for controlling the virtual camera, count data of various time limits, and the like are stored as appropriate. .

  The game space setting data 510 stores various data related to a background object for forming a game space in a three-dimensional virtual space, an item object arranged in the game space, and the like. For example, snow surface model data 512, normal floor hit determination model data 514, rail setting data 516 prepared for each rail 8, and item setting data for storing model data, texture data, setting values and the like of the special item 9 518 is stored.

  For example, as shown in FIG. 10, the rail setting data 516 includes rail model data 520, wall hit determination model data 522, rail floor hit determination model data 524, and a reference running direction vector 526 representing the longitudinal direction of the rail upper surface. Is stored. In addition, if the texture is appropriate or the setting is a movable rail, motion data or the like is stored.

  Note that the stored reference running direction vector 526 is not limited to a single vector. For example, in the case of a configuration in which the rail 8 meanders, a plurality of sections corresponding to the distance from the inclined upstream side of the rail 8 may be set, and a vector may be stored in association with each section. Or it is good also as a structure which stores a curve function instead of a vector, and acquires a reference | standard sliding direction vector by calculating | requiring the tangent of a curve.

  In the character initial setting data 528, initial setting data of the player character 2 is stored. Specifically, initial values of capability parameter values such as a display model, texture, initial arrangement position coordinates, maximum speed and maximum acceleration, maximum steering angle, and brake performance are stored. The motion data of the trick action of the player character 2 is also included here.

  The character status data 530 stores information indicating the current state of the player character 2. For example, as shown in FIG. 11, a character ID 532, a current position 534, a velocity vector 536, trick control data 538 including trick identification information relating to trick action motion control, motion frame information being executed, etc. An item list 540, an ON rail flag 542, and a wall hit valid setting flag 544 are included.

  When the special item 9 is acquired, identification information of the corresponding item is stored in the possessed item list 540.

  The wall hit valid setting flag 544 is set to “1” when the wall hit determining unit 214 sets the wall hit determining model 30 to be valid, and is set to “0” when set to invalid. Note that the initial set value at the start of the game is “1”.

[Description of process flow]
Next, the flow of processing in this embodiment will be described. The processing described here is realized by the processing unit 200 executing the system program 502 and the game program 504. Note that the control related to the game sound can be realized in the same manner as a known video game, and thus the description thereof is omitted here.

  12 to 13 are flowcharts for explaining the main processing flow in this embodiment. First, the processing unit 200 refers to the game space setting data 510 and arranges background objects such as the snow surface 6 and the rail 8 in the three-dimensional virtual space to form a game space (step S2: see FIG. 2). For the snow surface 6 and the rail 8, the attached invisible hit determination model is also set (see FIG. 3).

  Next, the processing unit 200 refers to the character initial setting data 528 and places the player character 2 and the virtual camera at the initial position (step S4). Hereinafter, it is assumed that the virtual camera is automatically controlled so as to automatically track and shoot the player character 2, and a description thereof will be omitted.

  Next, the processing unit 200 places an object of an item that can be acquired by the player character 2 such as the special item 9 in the game space (step S6), and sets the wall hit valid setting flag 544 to an initial value “1 (valid)”. The ON rail flag 542 is set to the initial value “0” (step S8).

  If the game is started (YES in step S10), the processing unit 200 repeatedly executes steps S12 to S62 in a control cycle equal to or lower than the refresh rate of the image display unit 360 until the game end condition is satisfied.

  Specifically, the processing unit 200 first calculates the movement vector V of the player character 2 in accordance with a predetermined pseudo-physical law (step S12). That is, the velocity vector V at which the player character 2 riding on the snow surface 6 or the upper surface of the rail 8 slides on the slope while gradually accelerating with its own weight is simulated assuming a virtual gravity environment.

Next, when there is an operation input such as acceleration / deceleration / turn / jump from the operation input unit 100 (YES in step S14), the processing unit 200 corrects the velocity vector V according to the operation input (step S16). ).
Furthermore, if there is a trick action operation input (YES in step S18), operation control based on predetermined motion data is executed for the current control cycle in accordance with the operation input (step S22). Next, even if there is no trick action operation input in the control cycle (NO in step S18), if there is still a trick action being executed (YES in step S20), the operation control of the trick action being executed is continued in the control cycle. Run as much as

  Next, the processing unit 200 determines whether or not the player character 2 has touched the item object placed on the snow surface 6 (step S24). If contact is made (YES in step S24), it is determined that the player character 2 has successfully acquired the item, and an item acquisition process is executed (step S26). For example, the player character 2 is caused to pick up an item, or an icon object that notifies item acquisition is arranged in the game space for a predetermined time. The item identification information acquired at this time is stored in the acquired item list 540.

Next, the processing unit 200 performs a setting process of the ON rail flag 542 of the player character 2 (steps S28 to S36).
That is, the hit determination area 40 having a predetermined radius is set with reference to the current representative point G, and the intersection of the extension line of the current velocity vector V and the hit determination area 40 is calculated to obtain the determination reference point 42 (step S28). Then, it is determined whether or not the determination reference point 42 is above the rail 8 (step S30). If the ZX coordinate value of the determination reference point 42 is included in the range of the rail floor hit determination model 28, it is determined that it is above the rail 8 (YES in step S30), and the ON rail flag 542 is set to “1” (step S30). Step S32).

  On the contrary, when the ZX coordinate values of the determination reference point 42 and the representative point G of the player character 2 are outside the range of the rail floor hit determination model 28 (YES in step S34), that is, both the determination reference point 42 and the representative point G are rails. If not above 8, the processing unit 200 sets the ON rail flag 542 to “0” (step S36).

  Next, the processing unit 200 executes a wall hit determination valid / invalid switching process (step S38). This process is a process of switching the valid / invalid setting of the wall hit determination model 30 based on the current relative positional relationship between the player character 2 and the rail model 24.

As shown in FIG. 14, in the process, first, the processing unit 200 selects the nearest hit determination model set immediately below the determination reference point 42 in the game space, in this embodiment, directly below the game space coordinate Y-axis direction. Search for.
The searched nearest hit determination model is the normal floor hit determination model 22 (“normal floor” in step S84), the ON rail flag 542 is “0”, and the player character 2 is sliding on the snow surface 6. Is determined (YES in step S86), the processing unit 200 sets the wall hit validity setting flag 544 in the storage unit 500 to “1” and validates the wall hit determination model 30 (step S88). . Then, the wall hit determination valid / invalid switching process ends.
On the other hand, when the searched nearest hit determination model is the rail floor hit determination model 28 (“rail floor” in step S84), the processing unit 200 sets the wall hit valid setting flag 544 to “0”, The wall hit determination model 30 is invalidated (step S92). Then, the wall hit determination valid / invalid switching process ends.

  When the wall hit determination valid / invalid switching process is completed, the process returns to the flowchart of FIG. 13, and then the processing unit 200 refers to the wall hit valid setting flag 544 and determines the player character 2 based on the valid / invalid setting. And the hit determination model 30 are executed (step S40), and the hit determination is reflected in the action control of the player character 2 (step S42). For example, it is preferable to execute reaction control such that the player character 2 collides with the side surface of the rail 8 and decelerates or falls.

Next, when the ON rail flag 542 is “1” (YES in Step S <b> 50), the processing unit 200 further sets the determination reference point 42 as a predetermined height range above the upper surface of the rail 8. 46 (step S52: see FIG. 5).
When the determination reference point 42 is located inside the speed correction execution range 46 above the rail 8 (YES in step S52), the processing unit 200 further determines whether the representative point G of the player character 2 is outside the rail 8 from above. It is determined whether or not (step S54). Then, if the ZX coordinate value of the representative point G is outside the range of the rail floor hit determination model 28, it is determined that the rail 8 is outside from the upper side (YES in step S54), and the second moving surface of the moving body is determined. Judge that it is necessary to support the transfer to the top. Then, the support force vector Vs is calculated, the vector sum of the support force vector Vs and the current speed vector V is obtained, and the speed vector V is updated with the obtained vector sum (step S56: see FIGS. 7 and 8). . That is, the velocity vector V is corrected so that the player character 2 can easily land on the upper surface of the rail 8.

  Next, the processing unit 200 generates a game space image obtained by photographing the state of the player character 2 in the game space with a virtual camera, and synthesizes an information display such as an elapsed time from the start of the game as necessary. Generate a game screen. Then, the image is displayed on the image display unit 360 (step S58). Then, the game result is calculated (step S60). In calculating the game result, it is determined whether or not the player character 2 has reached a predetermined goal position, and the number of rails 8 that have been able to slide on the upper surface is counted.

  If the game result does not satisfy the predetermined game end condition (NO in step S62), the process returns to step S10. On the other hand, if the game result satisfies the game end condition (YES in step S62), the processing unit 200 executes a predetermined game end effect process or the like (step S64) and ends the series of processes.

  As described above, according to the present embodiment, the velocity vector V of the player character 2 can be corrected so as to be easily landed on the rail 8, so that an action with a considerable difficulty level in the real world, such as a snowboard rail action. Can be enjoyed easily.

  Further, the correction strength of the velocity vector V can be adjusted according to the state of the player character 2. For example, if the special item 9 is held, the correction strength is increased and corrected so that it is easier to ride on the rail 8 than in the non-held state. Further, even when a special operation (for example, a snowboard trick action) is being performed, the correction strength is increased and correction is performed so that the user can easily ride on the rail 8.

[Modification]
As mentioned above, although embodiment which applied this invention was described, the application form of this invention is not limited to this.

  For example, it can be realized even if the method is defined by ZX coordinates along the first moving surface (snow surface) without having the wall hit determination model for the second moving surface (rail 8) as model data. Can do.

  In addition, for example, a configuration in which a video game is executed on the home game device 1200 has been described as an example, but a game device for business use (for example, a game device similar to “SEGA SKI SUPER G” manufactured by SEGA Corporation), a personal computer, The game can also be executed on a portable game device or the like. Further, the game is not limited to being executed on a stand-alone game device, but may be a network game (online game).

  The game content is not limited to a game based on snowboard, but a local high-floor sub-moving surface (second moving surface) is provided on the normal moving surface (first moving surface), and the player character If it is a game that includes a situation in which the plane that moves from the normal movement plane to the sub movement plane is included, a car racing game or RPG may be used. As shown in FIG. 15, the present invention can be similarly applied to an action game in which coins 5 scattered on the game field 7 are collected by the player character 3.

Further, in the above embodiment, when the determination reference point 42 (see FIG. 5) is included in the speed correction execution range 46 above the rail floor hit determination model 28, it is determined that transfer support is necessary. That is, the determination is made based on the relative height between the player character 2 and the rail 8 and the relative position in the ZX plane direction, but is not limited thereto.
For example, a step of determining whether or not the relative angle θ between the speed vector V and the reference running direction vector Vn is less than a predetermined reference angle is provided between steps S50 to S56 (see FIG. 13). In such a case, it may be configured to be able to proceed to step S56. That is, it may be configured to determine whether transfer assistance is necessary based on the relative height, relative position, and relative angle between the player character 2 and the rail 8. In this case, by appropriately adjusting the reference angle, the velocity vector V is not corrected when approaching the rail 8 at a steep angle exceeding the reference angle (for example, an angle orthogonal to the rail 8). The game content can be adjusted. For example, on the condition that a predetermined item or a predetermined character is used, a fantasy setting that can absolutely get on the second moving surface regardless of any angle is provided to provide diversity in the game contents. Can also be used. In addition, by allowing the player to select the game difficulty level before starting the game, the angle condition is tightened when setting the high difficulty level, and the angle condition is loosened when setting the low difficulty level. It can also be used to expand the reality balance point.

In the above-described embodiment, the support force vector Vs is calculated and the vector sum with the velocity vector V is obtained to obtain the corrected velocity vector Vr (see FIG. 7). Any other method may be used as long as it can be corrected so as to approach the direction of the reference running direction vector Vn.
For example, as shown in FIG. 16, a predetermined function f (θ, | V |) having a relative angle θ between the speed vector V and the reference running direction vector Vn and the speed | V | of the speed vector V as variables. Thus, the basic value of the rotation angle Δθv may be calculated, and the applied value may be obtained by multiplying the basic value by the coefficient k1 and the coefficient k2. Then, the speed vector V is rotated around the representative point G by the rotation angle Δθv in a direction opposite to the relative direction that the speed vector V makes with the reference sliding direction vector Vn (a direction closer to the reference sliding direction vector Vn). The velocity vector Vr can be obtained. The function f (θ, | V |) has the same properties as the function value g (θ, | V |) described above.

  Further, parameters indicating the player character state used to determine the coefficient k1 and the coefficient k2 include the character level (level indicating the growth stage, acquisition level of the specific skill, player's proficiency determined from the game result). The level obtained from the degree), the character type (gender, age, race), and the character's psychological state (for example, standard / excitement) can be used as appropriate.

For example, when the character level is applied, the player character level is determined based on the result of the current game play in the game end process (see FIG. 13) in step S64 in the same manner as a known video game. The storage unit 500 stores and saves the game play history data. In addition, a step of referring to the play history data is provided before step S10. When calculating the support force vector Vs or the rotation angle Δθv for the character step, the coefficient k3 is determined according to the level of the referenced player character, and is multiplied in the same manner as the coefficient k1 and the coefficient k2. For example, the coefficient k3 is k3 = 0.9 if the predetermined advanced judgment level is not reached, and k3 = 0.6 if the advanced judgment level is reached.
Therefore, when a player who is proficient in the game and plays at an advanced level, the correction of the velocity vector V is intentionally weakened to relatively increase the difficulty level of the game, and the “responsibility” according to the skill of the player. Can be set.

  Of course, the parameters used to determine the coefficient k1 and the coefficient k2 are not limited to the state of the player character. For example, the coefficient value may be changed depending on whether or not a specific operation is input, or the coefficient value may be changed depending on whether or not the task is cleared by presenting the operation task to the player. Specifically, in the former case, before step S56, a step of determining whether or not there is a specific operation input such as a predetermined hitting input of the push switch 1232 or a pricking motion input of the right analog lever 1236R or the left analog lever 1236L. When there is a specific operation input, the coefficient k1 is set to “1.2”, and when there is no specific operation input, a step of determining the coefficient k1 as “1.0” may be inserted. In the latter case, a step of detecting that the rail 8 is in a predetermined range in front of the player character 2 before step S50 and a predetermined task (for example, “10 within 5 seconds”) are detected. The step of presenting the repeated hitting! ”) On the game screen and the step of determining whether the task can be cleared after the task is presented are provided. Then, before step S56, if the problem can be cleared, the coefficient k1 is set to “1.2”. If the problem cannot be cleared, a step of determining “1.0” may be inserted.

  The determination reference point 42 is the intersection of the hit determination area 40 and the extension line of the velocity vector V. For example, a predetermined distance (from the center of the player character 2 (for example, waist position) to the body of the player character 2 ( For example, the determination reference point may be set at a position separated by 1 m).

  Further, the direction of the reference running direction vector Vn to be set is not limited to one, and a plurality of directions can be set. In that case, before step S56, a step of selecting a vector whose direction is close to the speed vector V from among a plurality of set reference running direction vectors Vn is provided, and this selected vector is used in step S56. And it is sufficient.

The system block diagram which shows the structural example of a household game device. The figure which shows the example of a game screen of a snowboard game. The schematic perspective view which shows the example of a structure and arrangement | positioning of the model which concerns on a rail. The figure for demonstrating the concept of switching of a wall hit determination model. The figure for demonstrating the concept of switching of a wall hit determination model. The figure for demonstrating the concept of switching of a wall hit determination model. The figure for demonstrating the correction principle of a velocity vector. The graph which shows the example of calculation of the basic value of a correction angle. The functional block diagram which shows a function structural example. The figure which shows the data structural example of rail setting data. The figure which shows the data structural example of character status data. The flowchart for demonstrating the flow of the main processes. Flowchart continuing from FIG. The flowchart for demonstrating the flow of a wall hit determination valid / invalid switching process. The figure for demonstrating the modification of the game to which this invention is applied. The figure for demonstrating the modification of the correction method of a velocity vector.

Explanation of symbols

2 Player character (PC)
6 Snow Surface 8 Rail 9 Special Item 20 Snow Surface Model 22 Normal Floor Hit Judgment Model 24 Rail Model 28 Rail Floor Hit Judgment Model 30 Wall Hit Judgment Model 40 Hit Judgment Area 42 Judgment Reference Point 50 Front End Vertex 100 Operation Input Unit 200 Processing Unit 210 game calculation unit 212 PC (player character) motion control unit 214 wall hit determination unit 216 velocity vector correction unit 260 image generation unit 360 image display unit 500 storage unit 504 game program 510 game space setting data 512 snow surface model data 514 normal floor Hit determination model data 516 Rail setting data 520 Rail model data 522 Wall hit determination model data 524 Rail floor hit determination model data 526 Reference run direction vector 528 Character initial setting Data 530 character status data 536 velocity vector 538 trick control data 540 possessed item list 542 ON rails flag 544 wall hit valid configuration flag V velocity vector Vn reference sliding direction vector Vr (corrected) speed vector Vs assist force vector

Claims (14)

A program for causing a computer to execute a predetermined game by controlling movement of a moving body along a moving surface arranged in a three-dimensional virtual space according to a predetermined pseudophysical law including a gravitational component,
Moving plane arrangement means for arranging a first moving plane and a second moving plane having a reference direction at a position higher than the first moving plane in the three-dimensional virtual space;
A movement control means for calculating a movement vector of the moving body in accordance with the predetermined pseudo-physical law and controlling the movement of the moving body along the first moving surface or the second moving surface;
Transfer support determination means for determining whether to support transfer of the mobile body onto the second moving surface;
A support force calculating means for calculating a support force for transferring the moving body onto the second moving surface based on a reference direction of the second moving surface when an affirmative determination is made by the transfer support determining means;
As the computer functions as
A program for causing the computer to function so that the movement control means controls the movement of the moving body by correcting the movement vector using the support force.   The movement support determination unit determines whether to support transfer onto the second moving surface using the position of the moving body, the movement vector, and the height position of the second moving surface. The program according to claim 1 for causing the computer to function.   The movement support determination means determines whether to support transfer onto the second moving surface using an angle formed by the moving direction of the moving body and the reference direction of the second moving surface. The program according to claim 2 for causing said computer to function.   4. The computer according to claim 1, wherein the support force calculating means causes the computer to function so as to variably calculate the support force according to an angle formed by the movement vector and a reference direction of the second moving surface. The program as described in any one of.   When the angle formed is equal to or less than a predetermined angle, the support force calculation means calculates the support force to be larger as the angle is larger, and when the angle exceeds the predetermined angle, the support force calculation means calculates that the support force is absent. The program according to claim 4 for causing a computer to function.   The program according to any one of claims 1 to 5, wherein the support force calculation unit causes the computer to function so as to vary and calculate the support force according to a moving speed of the moving body. The support force calculating means causes the computer to function so as to vary and calculate the support force based on a parameter indicating a game play state;
The program as described in any one of Claims 1-6 for. Causing the computer to function as operation control means for causing the movable body to perform a predetermined action in response to an operation input of a player;
The support force calculation means causes the computer to function to calculate the support force in a variable manner depending on whether or not the moving body is executing the predetermined action;
The program as described in any one of Claims 1-7 for. Causing the computer to function as an item setting means for setting the possessed item of the moving object;
The support force calculating means causes the computer to function so as to vary and calculate the support force according to a predetermined item of the moving body;
The program as described in any one of Claims 1-8 for. Causing the computer to function as level setting means for setting the level of the moving object;
The support force calculating means causes the computer to function so as to variably calculate the support force according to the level of the moving body;
The program as described in any one of Claims 1-9 for.   The program according to any one of claims 1 to 10, wherein the support force calculation unit causes the computer to function so as to calculate the support force as a rotational force that changes the direction of the movement vector. The moving surface arranging means causes the computer to function so as to arrange the second moving surface at a position higher than the height of the moving body from the first moving surface;
Wall object setting means for setting a non-displayed wall object above the second moving surface;
A reference position setting means for setting a reference position so as to accompany the moving body in the moving direction of the moving body;
Wall hit valid / invalid setting means for effectively setting hit determination with the wall object when the moving plane immediately below the reference position is the first moving plane, and invalidating the hit determination with the second moving plane. ,
Function the computer as
Furthermore,
2. The computer according to claim 1, wherein the movement control means causes the computer to perform movement control of the moving body by performing hit determination between the moving body and the wall object in accordance with the setting by the wall hit valid / invalid setting means. The program as described in any one of -11.   The computer-readable information storage medium which memorize | stored the program as described in any one of Claims 1-12. In accordance with a predetermined pseudo-physics law including a gravitational component, a game device that executes a predetermined game by controlling the movement of a moving body along a moving surface arranged in a three-dimensional virtual space,
Moving plane arrangement means for arranging a first moving plane and a second moving plane having a reference direction at a position higher than the first moving plane in the three-dimensional virtual space;
A movement control means for calculating a movement vector of the moving body according to the predetermined pseudo-physical law and controlling the movement of the moving body along the first moving surface or the second moving surface;
Transfer support determination means for determining whether to support transfer of the moving body onto the second moving surface;
Support force calculating means for calculating a support force for transferring the moving body onto the second moving surface based on a reference direction of the second moving surface when an affirmative determination is made by the transfer supporting determining means;
With
A game apparatus in which the movement control means corrects the movement vector using the support force to control movement of the moving body.

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