JP2012208723A - Game device, method for controlling game device, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make operations for changing viewpoint parameters more entertaining.SOLUTION: First display control means (64) displays a captured image (72) showing an appearance of game space (50) viewed from a viewpoint (56) set with viewpoint parameters which can be changed based on game operations of a player. Second display control means (66) displays a captured image (72) showing an appearance of the game space (50) viewed from the viewpoint (56) set with reference viewpoint parameters, or a reference image (74) provided by reference image data. Comparison means (68) compares the viewpoint parameters changed based on game operations of a player with the reference viewpoint parameters, or compares the captured image (72) with the reference image (74). Based on a result of the comparison, the game operations of the player is evaluated.

Description

  The present invention relates to a game device, a game device control method, and a program.

  2. Description of the Related Art Conventionally, a game is known in which an image obtained by viewing a game space in which an object is arranged from a given viewpoint is displayed on a game screen. Patent Literature 1 describes a technique for changing viewpoint parameters (for example, the position of the viewpoint and the direction of the line of sight) regarding the viewpoint based on the operation of the player.

JP 2008-33601 A

  However, in the technique of Patent Document 1, the player only changes the viewpoint parameter, and the viewpoint parameter changing operation itself cannot be provided with interest.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a game device, a game device control method, and a program capable of giving interest to a viewpoint parameter changing operation. is there.

  In order to solve the above-described problems, a game device according to the present invention provides an object from a game operation detection unit that detects a game operation of a player and a viewpoint in which a viewpoint parameter that is changed based on the game operation of the player is set. A first display control means for displaying on the display means a photographed image showing a state of looking at the game space in which is placed, a reference viewpoint parameter to be set for the viewpoint, or a reference image to be displayed on the display means Means for acquiring the reference viewpoint parameter or the reference image data from a means for storing reference image data, and a captured image showing a state in which the game space is viewed from the viewpoint in which the reference viewpoint parameter is set, or Second display control means for displaying the reference image indicated by the reference image data on the display means, and the game operation of the player. Comparing means for comparing the viewpoint parameter changed based on the reference viewpoint parameter and the image displayed by the first display control means and the image displayed by the second display control means And game operation evaluation means for evaluating a game operation of the player based on a comparison result of the comparison means.

  The game device control method according to the present invention includes a game operation detecting step for detecting a game operation of a player, and a game in which an object is arranged from a viewpoint in which a viewpoint parameter that is changed based on the game operation of the player is set. A first display control step for displaying on the display means a photographed image showing a state of viewing the space; a reference viewpoint parameter to be set for the viewpoint; or reference image data indicating a reference image to be displayed on the display means Acquiring the reference viewpoint parameter or the reference image data from the storage means, and a captured image showing the game space viewed from the viewpoint in which the reference viewpoint parameter is set, or the reference image data A second display control step for displaying the reference image indicated by the display means on the display means; Comparing the viewpoint parameter changed based on the reference viewpoint parameter with the reference viewpoint parameter, or comparing the image displayed by the first display control step with the image displayed by the second display control step And a game operation evaluation step of evaluating the game operation of the player based on the comparison result of the comparison step.

  A program according to the present invention is a game operation detection means for detecting a game operation of a player, and a state in which a game space in which an object is arranged is viewed from a viewpoint in which a viewpoint parameter that is changed based on the game operation of the player is set A first display control means for displaying a photographed image indicating a reference image on a display means, a reference viewpoint parameter to be set for the viewpoint, or a reference image data indicating a reference image to be displayed on the display means. Means for acquiring the reference viewpoint parameter or the reference image data, a photographed image showing a state in which the game space is viewed from the viewpoint in which the reference viewpoint parameter is set, or a reference image indicated by the reference image data; Second display control means to be displayed on the display means, the viewpoint parameter changed based on the game operation of the player; Comparison means for comparing the data and the reference viewpoint parameter, or comparing the image displayed by the first display control means with the image displayed by the second display control means, and the comparison result of the comparison means Game operation evaluation means for evaluating the game operation of the player based on the above.

  An information storage medium according to the present invention is a computer-readable information storage medium storing the above program.

  According to the present invention, it is possible to provide interest in the viewpoint parameter changing operation.

  In one aspect of the present invention, the game operation evaluation means evaluates the game operation of the player when a predetermined evaluation time comes, and the game device includes an image displayed by the first display control means, By superimposing the image displayed by the second display control means and performing display control so that the size of one image approaches the size of the other image as the evaluation time point approaches, Means for guiding the evaluation time point.

  In one aspect of the present invention, the game operation evaluation means evaluates the game operation of the player when a predetermined evaluation time comes, and the game device includes an image displayed by the first display control means, The image displayed by the second display control means is translucently combined and displayed on the display means, and the display control is performed so that the semitransparent composition ratio of one image approaches the reference ratio as the evaluation time approaches. And a means for guiding the player to the evaluation time point.

  Moreover, in one aspect of the present invention, the game operation detection means includes a front touch panel and a back touch panel provided on the front and back surfaces of the chassis of the game device, and the contact position information acquired by the front touch panel and the back touch panel. Based on the contact position information acquired by the front surface touch panel, the first display control means detects the viewpoint parameters related to the position of the viewpoint and / or zooms the viewpoint. The viewpoint parameter relating to the viewing direction or the gazing point of the viewpoint, or the viewpoint relating to the angle of view of the viewpoint based on the contact position information acquired by the rear touch panel Means for changing the parameter,

It is a figure which shows the hardware constitutions of the game device which concerns on this embodiment. It is a schematic diagram which shows the external appearance of a game device. It is a figure which shows an example of game space. It is a figure for demonstrating the visual frustum of a virtual camera. It is a functional block diagram which shows the function implement | achieved with a game device. It is a figure which shows an example of reference | standard data. It is a figure which shows correlation with the kind of game operation, and the viewpoint parameter changed. It is a figure which shows an example of the game screen displayed on a display part. It is a flowchart which mainly shows the process relevant to this invention among the processes which a game device performs. It is a flowchart which mainly shows the process relevant to this invention among the processes which a game device performs. It is a figure which shows an example of the game screen displayed in a modification (2).

[1. Embodiment]
Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings. The game device according to the present invention is realized using, for example, a home game machine (stationary game machine), a portable game machine, an arcade game machine, a mobile phone, a personal digital assistant (PDA), or a personal computer. Here, a case where the game device according to the embodiment of the present invention is realized using a portable game machine will be described.

[2. Hardware configuration of game device]
FIG. 1 is a diagram illustrating a hardware configuration of the game apparatus 10 according to the present embodiment. As shown in FIG. 1, the game apparatus 10 includes a portable game machine 11. The portable game machine 11 includes a control unit 14, a storage unit 16, a main storage 18, an image processing unit 20, a display unit 22, a touch panel 24, an input / output processing unit 26, a memory card slot 28, an optical disc playback unit 32, and an operation key unit 36. A voice processing unit 38, a voice output unit 40, a voice input unit 42, a communication I / F (interface) 44, and the like.

  The control unit 14 controls each unit of the game apparatus 10 based on an operating system stored in the storage unit 16, a program stored in the memory card 30 and the optical disc 34, and various data.

  The storage unit 16 includes a nonvolatile storage medium such as a flash memory. The storage unit 16 stores an operating system and the like.

  The main memory 18 includes, for example, a RAM. The program stored in the storage unit 16, the program read from the memory card 30 via the memory card slot 28, or the program read from the optical disc 34 via the optical disc playback unit 32 is the main program as necessary. It is written in the memory 18. The main memory 18 is also used as a working memory for the control unit 14.

  The bus 12 is used for exchanging addresses and various data between the respective units of the game apparatus 10. The control unit 14, the storage unit 16, the main storage 18, the image processing unit 20, and the input / output processing unit 26 are connected via the bus 12 so that mutual data communication is possible.

  The image processing unit 20 includes a VRAM. The image processing unit 20 draws an image on the VRAM according to an instruction from the control unit 14. The image drawn on the VRAM is displayed on the display unit 22 at a predetermined timing. The display unit 22 is, for example, one or a plurality of known liquid crystal display panels. For example, the touch panel 24 is provided so as to be superimposed on the display unit 22.

  The touch panel 24 functions as input means for a user to perform an operation. The touch panel 24 supplies contact position information corresponding to a position touched (pressed) by a user or an object (for example, a touch pen) held by the user to the control unit 14 via the input / output processing unit 26.

  The contact position information is, for example, data indicating the two-dimensional coordinates of the position where the touch panel 24 is touched. The control unit 14 determines the position on the touch panel 24 that the user touches based on the contact position information. In the present embodiment, when a plurality of positions on the touch panel 24 are touched, a plurality of pieces of contact position information corresponding to the plurality of positions are generated. That is, a case where a so-called multi-touch capable touch panel 24 is applied to the game apparatus 10 will be described.

  Further, in the present embodiment, a case where the game apparatus 10 is provided with two touch panels 24 will be described. These two touch panels 24 are arranged one by one on the front and back of the chassis of the game apparatus 10, and are referred to as front surface touch panels 24 a and 24 b (these are also simply referred to as the touch panel 24). The front touch panels 24a and 24b have the same configuration. The front touch panels 24a and 24b are provided so as to sandwich the display unit 22, for example.

  FIG. 2 is a schematic diagram showing an appearance of the game apparatus 10. As shown in FIG. 2, a front surface touch panel 24 a and a back surface touch panel 24 b are provided on the front and back of the housing of the game apparatus 10. For example, when the player touches the front touch panel 24a provided to be superimposed on the display unit 22, or when the player holds the game apparatus 10, the rear touch panel 24b positioned far from the front touch panel 24a when viewed from the player is displayed. Game operation is performed by touching.

  Returning to FIG. 1, in the input / output processing unit 26, the control unit 14 exchanges various data with the touch panel 24, the memory card slot 28, the optical disc playback unit 32, the operation key unit 36, the audio processing unit 38, and the communication I / F 44. It is an interface to do.

  The memory card slot 28 reads out the game program and game data stored in the memory card 30 in accordance with an instruction from the control unit 14. The memory card 30 includes, for example, a nonvolatile storage medium that stores game data such as save data.

  The optical disc playback unit 32 reads programs and data recorded on the optical disc 34. In the present embodiment, a case where a game is executed by using a program or data stored in the optical disc 34 will be described. For example, any other information storage medium such as the memory card 30 may be used. . Further, a program and data may be supplied to the game apparatus 10 from a remote place via a data communication network such as the Internet.

  The operation key unit 36 functions as input means for the user to perform various operations. The operation key unit 36 includes a cross button, a slide pad, various buttons, and the like. The input / output processing unit 26 scans the state of each unit of the operation key unit 36 at regular intervals (for example, every 1/60 seconds). An operation signal representing the scan result is supplied to the control unit 14 via the bus 12. The control unit 14 determines the user's operation content based on the operation signal.

  The audio processing unit 38 includes a sound buffer. The sound processing unit 38 outputs music and sound from the sound output unit 40 based on music output data and sound data stored in the sound buffer.

  The voice input unit 42 includes a microphone and the like. The voice input unit 42 detects the player's voice and the like, and inputs a detection signal to the control unit 14 via the input / output processing unit 26. The communication I / F 44 is an interface for connecting the game apparatus 10 to a communication network.

  Note that the configuration of the game apparatus 10 is not limited to the above example. The game apparatus 10 may include other configurations. In addition, for example, a gyro sensor, a motion sensor, a CCD camera, or the like may be included in the game apparatus 10.

[3. Game executed on game device]
Next, a game executed on the game apparatus 10 will be described. In a game executed by the game apparatus 10, a captured image showing a state in which a game space (virtual three-dimensional space) in which objects are arranged is viewed from a given viewpoint is displayed on the display unit 22. Below, the case where the picked-up image which looked at the game space imitating an artist's live venue from the virtual camera is displayed on the display part 22 is demonstrated. When the game is started, a game space is constructed in the main memory 18.

  FIG. 3 is a diagram illustrating an example of the game space. As shown in FIG. 3, in the game space 50, a stage 52, which is an object indicating the stage of the live venue, and a character 54, which is an object indicating a character singing and playing at the live venue, are arranged. The character 54 moves on the stage 52 and changes its posture so that the artist sings and performs at the live venue. The position of each object is determined by three-dimensional coordinates (world space coordinates) set in the game space 50.

  A virtual camera 56 (viewpoint) is set in the game space 50. On the display unit 22, a captured image showing a state where the game space 50 is viewed from the virtual camera 56 is displayed. Among the objects arranged in the game space 50, an object in the visual frustum of the virtual camera 56 is displayed on the game screen.

FIG. 4 is a diagram for explaining the visual frustum of the virtual camera 56. As shown in FIG. 4, the position and shape of the visual frustum of the virtual camera 56 are, for example, the position P of the virtual camera 56, the line-of-sight direction V or the gazing point Q of the virtual camera 56, and the angle of view of the virtual camera 56. It is determined based on θ (the horizontal direction is the angle of view θ ₁ and the vertical direction is the angle of view θ ₂ ). A photographed image showing an object between the predetermined near clip Cp ₁ and the far clip Cp _{2 in the} visual frustum is displayed on the game screen.

  In addition, zoom is set in the virtual camera 56 of the present embodiment. The zoom is information regarding the size of each object displayed on the display unit 22. As the zoom is increased, the captured image displayed on the game screen is extended, so that each object is displayed larger.

  As described above, in the present embodiment, a plurality of viewpoint parameters are set for the virtual camera 56. Here, as an example of the plurality of viewpoint parameters, the position of the virtual camera 56, the viewing direction of the virtual camera 56 or the position of the gazing point, information on the zoom of the virtual camera 56, and the angle of view of the virtual camera 56 are displayed on the virtual camera 56. The case where it is set will be described.

  Each value of the viewpoint parameter is changed based on the game operation of the player. That is, the virtual camera 56 moves based on the game operation of the player, for example. In the virtual camera 56, for example, the line-of-sight direction (or gazing point) is changed based on the game operation of the player. For example, the zoom of the virtual camera 56 is changed based on the game operation of the player. For example, the angle of view of the virtual camera 56 is changed based on the game operation of the player.

  The player aims to display a predetermined captured image on the display unit 22 by changing the viewpoint parameter and setting it in the virtual camera 56. The game apparatus 10 of the present embodiment is configured such that a viewpoint parameter changing operation is evaluated by comparing a viewpoint parameter to be set by the player with a viewpoint parameter set by the player. Hereinafter, the technique will be described in detail.

[4. Functions realized in game device]
FIG. 5 is a functional block diagram showing functions realized by the game apparatus 10. As shown in FIG. 5, the game apparatus 10 includes a game data storage unit 60, a game operation detection unit 62, a first display control unit 64, a second display control unit 66, a comparison unit 68, and a game operation evaluation unit 70. Each of these functions is realized, for example, when the control unit 14 executes a program stored on the optical disc 34.

[4-1. Game data storage unit]
The game data storage unit 60 is realized mainly by the main memory 18, the memory card 30, and the optical disk 34. The game data storage unit 60 stores data necessary for executing the game. For example, the game data storage unit 60 stores the following data.
(1) Music data (2) Motion data (3) Reference data (4) Game situation data

[Music data]
The music data is, for example, saved general popular music or the like in a predetermined data format. Further, for example, the music data may be data indicating music actually sung by the artist at the live venue. The music data may include, for example, voice data indicating the cheering of the audience and the conversation of the artist.

[Motion data]
The motion data is data that defines the position and orientation of each object arranged in the game space 50 in time series. The game space 50 is generated based on the motion data. Each object arranged in the game space 50 operates based on the motion data. For example, the music data and the motion data are synchronously reproduced so as to express how the character plays or sings the music.

[Reference data]
In the reference data, reference viewpoint parameters to be set for the viewpoint (for example, the virtual camera 56) or reference image data indicating a reference image to be displayed on the display unit 22 is stored. That is, the reference data indicates an evaluation reference used when evaluating the game operation of the player. In the present embodiment, a case where a reference viewpoint parameter is stored in the reference data will be described.

  FIG. 6 is a diagram illustrating an example of the reference data. As shown in FIG. 6, for example, the elapsed time since the reproduction of music is started and the reference viewpoint parameter are stored in association with the reference data. The player aims to set the reference viewpoint parameter associated with this time in the virtual camera 56 at a predetermined time. That is, the time stored in the reference data is a time when the player should set the reference viewpoint parameter in the virtual camera 56, and an evaluation time when the player's game operation should be evaluated.

[Game status data]
The game situation data is data indicating the situation of the game being executed. For example, the game situation data stores data indicating the current state of the game space 50 (for example, the position of each object, viewpoint parameters set in the virtual camera 56, etc.), data indicating the score of the player, and the like. The The game situation data is updated based on the game operation of the player and a predetermined algorithm. For example, when the player performs a game operation, the viewpoint parameter stored in the game situation data is changed.

  The control unit 14 functions as a means for acquiring various data stored in the game data storage unit 60. Further, the control unit 14 functions as means for changing (updating) various data stored in the game data storage unit 60. Further, the data stored in the game data storage unit 60 is not limited to the above example, and it is only necessary to store data necessary for the game apparatus 10 to execute the game.

[4-2. Game operation detection unit]
The game operation detection unit 62 is realized mainly by the touch panel 24, the input / output processing unit 26, and the operation key unit 36. The game operation detection unit 62 detects a game operation of the player. For example, the game operation detection unit 62 detects a player's game operation by detecting a contact position on the game screen 80. That is, the action of the player performing an operation of changing the viewpoint parameter of the virtual camera 56 corresponds to a game operation.

  In the present embodiment, the game operation detection unit 62 includes a front touch panel 24a and a back touch panel 24b provided on the front and back of the chassis of the game apparatus 10, and is based on contact position information acquired by the front touch panel 24a and the back touch panel 24b. A case where the game operation of the player is detected will be described.

For example, a case where the following four types of game operations are performed as game operations will be described. Note that a method for detecting a game operation based on a detection signal from the touch panel 24 is not limited to the following example. In addition, for example, a game operation (so-called double tap) for touching the touch panel 24 a plurality of times may be performed. Various known methods can be applied to the game operation detection method.
(1) First game operation: One point of contact on the front touch panel 24a, and an action in which the player slides on the contact point (so-called dragging or flicking)
(2) Second game operation: one point of contact on the back touch panel 24b and an action of the player sliding on the contact point (3) Third game operation: two contact points on the front touch panel 24a , The act of changing the distance between the two contact points (so-called pinch-in or pinch-out)
(4) Fourth game operation: An act of changing the distance between the two contact points on the back touch panel 24b and two contact points

  For example, information on at least one of the position of the virtual camera 56, the direction of the line of sight or the position of the gazing point, the angle of view, and the zoom is changed based on the game operation of the player. For example, the type of game operation and the viewpoint parameter to be changed are associated in advance.

  FIG. 7 is a diagram illustrating the association between the type of game operation and the viewpoint parameter to be changed. As illustrated in FIG. 7, the viewpoint parameter regarding the position of the virtual camera 56 and / or the viewpoint parameter regarding the zoom of the virtual camera 56 changes based on the contact position information acquired by the front touch panel 24 a. Based on the contact position information acquired by the back touch panel 24b, the viewpoint parameter related to the viewing direction or the gazing point of the virtual camera 56 or the viewpoint parameter related to the angle of view of the virtual camera 56 changes.

  For example, when the game operation detection unit 62 detects the first game operation by the player, the position of the virtual camera 56 is changed based on the first game operation. For example, when the player slides left and right and up and down while touching the front touch panel 24a, the virtual camera 56 moves based on the sliding direction and distance.

  Further, for example, when the game operation detection unit 62 detects the second game operation by the player, the line-of-sight direction or the gazing point of the virtual camera 56 is changed based on the second game operation. For example, when the player slides left and right and up and down while touching the back touch panel 24b, the line-of-sight direction of the virtual camera 56 or the position of the gazing point is changed based on the sliding direction and distance.

  Further, for example, when the game operation detection unit 62 detects a third game operation by the player, the zoom of the virtual camera 56 is changed based on the third game operation. For example, when the player performs an operation (expansion operation) to increase the interval between the contact points of the front touch panel 24a, the virtual camera 56 zooms up. For example, when the player performs an operation (reduction operation) to narrow the interval between the contact points of the front touch panel 24a, the virtual camera 56 zooms out.

  Further, for example, when the game operation detection unit 62 detects the fourth game operation by the player, the angle of view of the virtual camera 56 is changed based on the fourth game operation. For example, when the player performs an operation to increase the interval between the contact points of the back touch panel 24b, the angle of view of the virtual camera 56 increases. For example, when the player performs an operation of narrowing the interval between the contact points of the front touch panel 24a, the angle of view of the virtual camera 56 decreases.

  As described above, by changing the position of the virtual camera 56 using the front surface touch panel 24a, the player performs an intuitive operation so that he / she moves in the game space 50 with the virtual camera 56. It can be carried out. Further, by changing the zoom using the front touch panel 24a, the player can perform an intuitive operation such as enlarging or reducing the size of the captured image displayed on the display unit 22.

  Further, by using the back touch panel 24b to change the line-of-sight direction, the gazing point, and the angle of view, the player performs an intuitive operation such as adjusting a lens away from the hand while looking through the viewfinder of the virtual camera 56. be able to.

  The viewpoint parameter may be changed based on the game operation. In addition, for example, when a plurality of viewpoint parameters are set in the virtual camera 56 as in the present embodiment, the viewpoint parameters associated with the touch panel 24 that detects the game operation of the player are selected from the plurality of viewpoint parameters. You may make it change.

[4-3. First display control unit]
The first display control unit 64 is realized mainly by the control unit 14. The first display control unit 64 is a game space in which an object (for example, the stage 52 or the character 54) is arranged from a viewpoint (for example, the virtual camera 56) in which a viewpoint parameter that is changed based on the game operation of the player is set. A photographed image showing the appearance of viewing 50 is displayed on the display means (for example, the display unit 22).

  FIG. 8 is a diagram illustrating an example of the game screen 80 displayed on the display unit 22. As shown in FIG. 8, on the game screen 80, a photographed image 82 showing a state where the game space 50 is viewed from the virtual camera 56 is displayed. For example, a known coordinate conversion process is performed on the three-dimensional coordinates of the object in the visual frustum of the virtual camera 56, and the captured image 82 is displayed in the game screen 80 by being converted into two-dimensional coordinates.

  As the viewpoint parameter is changed by the player's game operation, the display content of the captured image 82 displayed on the game screen 80 is also changed. For example, when the position of the virtual camera 56 is changed based on the game operation of the player, the display content of the captured image 82 is updated so as to show a state where the game space 50 is viewed from the changed position. Further, since the position and posture of the character 54 in the game space 50 change based on the motion data, the position and posture of the character 54 displayed on the captured image 82 also change.

  Also, the button 90 shown in FIG. 8 is used, for example, to set the viewpoint parameter to a predetermined value. In the present embodiment, the act of the player selecting the button 90 also corresponds to a game operation. For example, the game operation of the player (for example, the act of selecting the button 90) and the viewpoint parameter set with a predetermined value may be associated and stored in the game data storage unit 60.

  In this case, a viewpoint parameter associated with the game operation of the player is set in the virtual camera 56. For example, the button 90 is used to instantaneously move the position of the virtual camera 56 to a predetermined position in the game space 50. That is, for example, a plurality of reference positions are set in the game space 50, and each of the buttons 90 corresponds to these reference positions. When the player selects the button 90, the virtual camera 56 moves to the reference position associated with the selected button 90.

  For example, when the button 90 a is selected, the virtual camera 56 moves to a reference position set on the front side of the stage 52. For example, when the button 90b is selected, the virtual camera 56 moves to the reference position set on the right side when viewed from the front of the stage 52. For example, when the button 90c is selected, the virtual camera 56 moves to the reference position set on the left side as viewed from the front of the stage 52. For example, when the button 90d is selected, the virtual camera 56 moves to a reference position set on the back surface of the stage 52.

[4-4. Second display control unit]
The second display control unit 66 is realized mainly by the control unit 14. The second display control unit 66 displays a photographed image showing the game space 50 viewed from the viewpoint (for example, the virtual camera 56) for which the reference viewpoint parameter is set, or a reference image indicated by the reference image data. For example, it is displayed on the display unit 22).

  For example, as shown in FIG. 8, the reference image 84 is displayed so as to be superimposed on the captured image 82. The reference image 84 shown in FIG. 8 may be generated based on the reference viewpoint parameter, or may be displayed by reading the reference image data.

  That is, the player aims to display the captured image 82 having the same display content as the reference image 84. The reference image 84 is an image for guiding the reference viewpoint parameter to the player. In other words, the reference image 84 is an image that the player should display as the captured image 82 after a predetermined time (for example, after 3 seconds).

  In the present embodiment, the captured image 82 displayed by the first display control unit 64 and the reference image 84 displayed by the second display control unit 66 are superimposed, and the size of one image becomes closer as the evaluation time point approaches. By performing display control so as to approach the size of the other image, the player is guided to the evaluation time point. For example, display control is performed so that the size of the reference image 84 gradually approaches the size of the captured image 82 as the evaluation time approaches.

  Specifically, for example, when it is a predetermined time before the evaluation time point, the reference image 84 is displayed smaller than the captured image 82 at the upper left of the captured image 82. Then, the reference image 84 gradually increases so that the time difference between the current time point and the evaluation time point corresponds to the difference in size between the captured image 82 and the reference image 84. When the evaluation time point comes, the size of the reference image 84 matches, for example, the size of the captured image 82 (reference size). In other words, in the case shown in FIG. 8, the lower right point of the captured image 82 and the lower right point of the reference image 84 coincide.

  In the present embodiment, the case where the size of the reference image 84 is controlled will be described. However, the display control is performed so that the size of the captured image 82 approaches the size of the reference image 84, whereby the player The evaluation time point may be guided. In addition, by controlling the size of the captured image 82 and the size of the reference image 84 so that the captured image 82 and the reference image 84 are displayed in different sizes and the two are close to each other, You may make it guide evaluation time.

[4-5. Comparison part]
The comparison unit 68 is realized mainly by the control unit 14. The comparison unit 68 compares a viewpoint parameter (hereinafter simply referred to as a set viewpoint parameter, which is distinguished from the reference viewpoint parameter) changed based on the game operation of the player with the reference viewpoint parameter, or first display control. The captured image 82 displayed by the unit 64 and the reference image 84 displayed by the second display control unit 66 are compared. For example, the comparison unit 68 calculates the amount of deviation between the set viewpoint parameter and the reference viewpoint parameter or the amount of deviation of the pixel value between the captured image 82 and the reference image 84. In the present embodiment, for example, a case will be described in which the comparison unit 68 calculates the degree of coincidence as a deviation amount between the set viewpoint parameter and the reference viewpoint parameter.

  Here, for example, the set viewpoint parameter and the reference viewpoint parameter are considered as n-dimensional vectors. In the present embodiment, four items (virtual camera position, line-of-sight direction or gaze point position, zoom, and angle of view) are set as the set viewpoint parameter and the reference viewpoint parameter. Think. For example, the cosine (cos θ) of the vector indicated by the set viewpoint parameter and the vector indicated by the reference viewpoint parameter is calculated and used as the degree of coincidence between the set viewpoint parameter and the reference viewpoint parameter.

  On the game screen 80, a degree of coincidence 86 indicating the degree of coincidence between the set viewpoint parameter and the reference viewpoint parameter (that is, the degree of display content similarity between the captured image 82 and the reference image 84) is displayed. As for the degree of coincidence 86, when the set viewpoint parameter is changed by the game operation of the player, the display content changes according to the degree of coincidence calculated.

[4-6. Game operation evaluation section]
The game operation evaluation unit 70 is realized mainly by the control unit 14. The game operation evaluation unit 70 evaluates the game operation of the player based on the comparison result of the comparison unit 68. The game operation evaluation unit 70 evaluates the game operation of the player based on whether the comparison result of the comparison unit 68 satisfies a predetermined condition. For example, the game operation of the player is evaluated based on whether or not the amount of deviation (for example, the degree of coincidence) obtained from the comparison result of the comparison unit 68 is within a predetermined range.

  Note that the degree of coincidence does not have to be 100%, and the evaluation is performed based on a numerical value indicated by the degree of coincidence. The higher the matching degree, the higher the evaluation of the game operation. For example, when the degree of coincidence is a reference value or more (for example, 0.8 or more), the player can obtain a high evaluation.

  In the present embodiment, a case will be described in which the game operation evaluation unit 70 evaluates a player's game operation when a predetermined evaluation point arrives. That is, when the evaluation time point comes, if the degree of coincidence between the set viewpoint parameter and the reference viewpoint parameter is within a predetermined range, the player can obtain a high evaluation. In other words, if the display contents of the captured image 82 and the reference image 84 substantially match at the time of evaluation, the player can obtain a high evaluation.

  Further, the game process is executed based on the evaluation result of the game operation evaluation unit 70. For example, when the evaluation result of the game operation evaluation unit 70 satisfies a predetermined condition, a predetermined game process is executed. Note that the game process includes a process of updating the game situation data and a process of updating the display content of the game screen 80 based on the updated game situation data.

  For example, a process for increasing or decreasing various parameters such as a score stored in the game situation data, a score 88 on the game screen 80 is updated, or a predetermined effect process is executed. In addition, for example, when information indicating the remaining time during which the game can be played is stored in the game data storage unit 60, the remaining time may be increased or decreased. In this case, when the remaining time is in a predetermined range (for example, 0), the game is over.

[5. Processing executed in game device]
Next, processing executed by the game apparatus 10 will be described. 9 and 10 are flowcharts mainly showing processing related to the present invention among the processing executed by the game apparatus 10. For example, the control unit 14 executes the processes shown in FIGS. 9 and 10 according to a program stored in the optical disc 34.

  As shown in FIG. 9, first, the control unit 14 starts playing a music piece (S101). The control unit 14 starts the reproduction of the motion data in synchronization with the reproduction of the music, generates the game space 50 and stores it in the main memory 18 (S102). The control unit 14 displays the game screen 80 on the display unit 22 based on the generated game space 50 (S103).

  The control unit 14 determines whether or not the player's game operation is detected (S104). When the game operation of the player is detected (S104; Y), the control unit 14 changes the set viewpoint parameter of the virtual camera 56 based on the detected game operation (S105). In S105, the value of the set viewpoint parameter stored in the game situation data is changed based on the game operation of the player.

  On the other hand, when the game operation of the player is not detected (S104; N), the control unit 14 generates a captured image 82 based on the set viewpoint parameter stored in the game situation data and displays it on the game screen 80 (S106). . The control unit 14 determines whether or not the current time is the guidance target period (S107). The guidance target period is, for example, a period in which the player should be guided to the evaluation time point and the reference image 84, and is, for example, a period from a predetermined time before the evaluation time point to the evaluation time point.

  When the current time is the guidance target period (S107; Y), the control unit 14 generates the reference image 84 based on the reference viewpoint parameter and displays it on the game screen 80 (S108). In S108, the reference viewpoint parameter associated with the evaluation time point is referred to. A reference image 84 is generated that shows the game space 50 viewed from the virtual camera 56 in which the reference viewpoint parameter is set. Further, as described above, the size of the reference image 84 is controlled based on the time between the current time point and the evaluation time point.

  The control unit 14 determines whether or not the evaluation time has come (S109). When the evaluation time has come (S109; Y), the control unit 14 compares the set viewpoint parameter stored in the game situation data with the reference viewpoint parameter (S110). In S110, the degree of coincidence between the set viewpoint parameter and the reference viewpoint parameter is calculated.

  The control unit 14 evaluates the player's game operation based on the comparison result in S110 (S111). For example, the game operation of the player is evaluated by determining whether or not the degree of coincidence between the set viewpoint parameter and the reference viewpoint parameter is within a predetermined range.

  The control unit 14 performs a game process based on the evaluation result of S111 (S112). For example, the score of the player is determined based on the degree of coincidence between the set viewpoint parameter and the reference viewpoint parameter. Note that the evaluation results previously executed in S111 may be stored, and the game process may be executed based on the current or past evaluation results. For example, it is possible to store the number of times the player has continuously obtained a high evaluation, and to execute the game process based on the number of times.

  The control unit 14 determines whether an end condition is satisfied (S113). The termination condition may be a predetermined condition. For example, the end condition is whether or not the reproduction of the music has ended.

  If it is determined that the end condition is satisfied (S113; Y), the process ends. If it is determined that the end condition is not satisfied (S113; N), the process returns to S104, and the reproduction of the music and motion data is continued.

  According to the game device 10 described above, by displaying the reference image 84 to be displayed by the player on the game screen 80, the player can be made to think about the game operation to be performed by the player. The player performs a setting viewpoint parameter changing operation so that the display content of the captured image 82 is close to the display content of the reference image 84, and the game apparatus 10 can evaluate the changing operation. For example, the player can enjoy the feeling of a television director who edits an artist's live video, so that the setting viewpoint parameter changing operation can be interesting.

  Further, since the size of the reference image 84 is controlled so as to guide the evaluation time point, the player can easily grasp when and what game operation should be performed. In particular, since the captured image 82 and the reference image 84 are superimposed and displayed, for example, the player can easily grasp the deviation between the captured image 82 and the reference image 84. It is possible to judge whether it is good.

  The present invention is not limited to the embodiment described above. Modifications can be made as appropriate without departing from the spirit of the present invention.

  (1) For example, in the embodiment, the case where the game operation of the player is evaluated by comparing the set viewpoint parameter and the reference viewpoint parameter has been described. However, the captured image 82 and the reference image 84 are compared. Thus, the game operation of the player may be evaluated. For example, the degree of coincidence between the two images is calculated by comparing the captured image 82 with the reference image 84. The player's game operation is evaluated based on whether or not the degree of coincidence satisfies a predetermined condition.

  For example, the comparison unit 68 compares the pixel value of each pixel of the photographed image 82 with the pixel value of each pixel of the reference image 84, for example. For example, the degree of coincidence is calculated based on the total sum of pixel values of each pixel of the captured image 82 and the reference image 84. The higher the degree of coincidence (the lower the sum of the pixel value differences), the higher the player can get.

  Note that the comparison method of the captured image 82 and the reference image 84 is not limited to the above example, and as this comparison method, a known image comparison algorithm for measuring whether or not the images are similar can be applied. is there. In addition, for example, the degree of coincidence may be calculated by dividing the number of pixels having a pixel value difference within a predetermined range among the pixels of the captured image 82 and the reference image 84 by the number of pixels.

  Further, when the reference image data indicating the reference image 84 is stored in the game data storage unit 60, the reference viewpoint parameter may not be stored in the game data storage unit 60. In this case, in S <b> 108 of the process shown in FIG. 9, the reference image 84 is displayed by reading the reference image data stored in the game data storage unit 60.

  (2) Further, for example, in the embodiment, the case where the evaluation time point is guided by changing the size of the reference image 84 has been described. However, the method of guiding the evaluation time point is not limited to the example of the embodiment. In addition, for example, the evaluation time point may be guided based on the darkness of the captured image 82 and the reference image 84.

  The first display control unit 64 of the modified example (2) translucently combines the photographed image 82 displayed by the first display control unit 64 and the reference image 84 displayed by the second display control unit 66 to display the display unit. (For example, display unit 22) includes means for guiding the evaluation time point to the player by performing display control so that the semi-transparent composition ratio of one image approaches the reference ratio as the evaluation time point approaches. .

  FIG. 11 is a diagram illustrating an example of the game screen 80 displayed in the modification (2). As shown in FIG. 11, a composite image obtained by translucently combining the captured image 82 (shown by a solid line) and the reference image 84 (shown by a dotted line) is displayed. The ratio of the reference image 84 is set between 0 and 1, for example. For example, if the ratio of the reference image 84 is α, the ratio of the captured image 82 is 1−α. For example, the pixel value of a certain pixel in the game screen 80 is determined as “pixel value of reference image 84 * α + pixel value of photographed image 82 * (1−α)”.

  For example, the ratio α of the reference image 84 is determined so that the difference between the current time and the evaluation time corresponds to the difference between the ratio α of the reference image 84 and the reference ratio (for example, 0). For example, the ratio α of the reference image 84 is 1 at the start of the guidance target period, and the ratio α of the reference image 84 is gradually increased so that the ratio α of the reference image 84 becomes 0 when the evaluation time comes. To decrease.

  Further, for example, the ratio α of the reference image 84 is 0 at the start of the guidance target period, and the ratio α of the reference image 84 is 1 so that the ratio α of the reference image 84 becomes 1 when the evaluation time comes. You may make it increase gradually.

  According to the modified example (2), the evaluation time point can be guided to the player by the ratio of the semi-transparent composition of the reference image 84. In particular, since the captured image 82 and the reference image 84 are superimposed and displayed, the player can grasp in detail the amount of deviation between the images, and easily how much the viewpoint parameter should be changed. Can grasp.

  Note that the ratio of the semi-transparent composition of the captured image 82 may be determined based on the time until the evaluation time point comes. Moreover, you may combine a modification (2) and embodiment. That is, the size of the captured image 82 or the reference image 84 and the ratio of the semitransparent composition may be determined based on the time until the evaluation time point comes.

  In addition to the above method, as another method of guiding the evaluation time point to the player, for example, the reference image 84 is located at the center position of the captured image 82 from the captured image 82 at the start of the guidance target period. The evaluation time point may be guided by performing display control so as to gradually approach the size of the captured image 82 as the evaluation time point approaches.

  In addition, for example, at the start of the guidance target period, the reference image 84 is displayed in the same size as the captured image 82, gradually decreases as the evaluation time approaches, and is displayed so as to be positioned at the center of the captured image 82. The evaluation time point may be guided by the control.

  (3) For example, in the embodiment, the case where one virtual camera 56 is arranged in the game space 50 has been described. However, two or more virtual cameras 56 may be arranged in the game space 50. . In this case, for example, on the game screen 80, a captured image 82 showing a state where the game space 50 is viewed from the virtual camera 56 selected by the player may be displayed. In this case, the virtual camera 56 is switched based on the game operation of the player. In addition, for example, a plurality of captured images 82 corresponding to each of the plurality of virtual cameras 56 may be displayed.

  In this case, the player designates a virtual camera 56 whose viewpoint parameter is to be changed among the plurality of virtual cameras 56 and changes the viewpoint parameter of the designated virtual camera 56. For example, the game operation of the player is evaluated by comparing any viewpoint parameter of the plurality of virtual cameras 56 with the reference viewpoint parameter.

(4) Moreover, the viewpoint parameter set to the virtual camera 56 is not limited to the example of the embodiment. In addition, for example, viewpoint parameters indicating the positions of the near clip Cp ₁ and the far clip Cp ₂ may be changed. In this case, for example, when the gazing point Q (focus, focus) of the virtual camera 56 is changed back and forth when viewed from the virtual camera 56 in accordance with the game operation of the player, the near clip Cp ₁ and the far clip Cp _{2 are changed.} Are changed back and forth when viewed from the virtual camera 56.

  Further, for example, a parameter set for a general camera such as a CCD camera may be set as a viewpoint parameter of the virtual camera 56. For example, parameters indicating white balance and exposure correction may be set in the virtual camera 56.

  (5) Further, for example, the outline (outline) of the character 54 may be emphasized and displayed on the captured image 82 and the reference image 84. Further, for example, only the outline (outline) of the character 54 may be displayed in the captured image 82 and the reference image 84. As described above, the outline of a predetermined object among the objects arranged in the game space 50 is emphasized in the photographed image 82 and the reference image 84, so that the player can set the deviation amount between the photographed image 82 and the reference image 84. It can be easily grasped.

  (6) For example, the game operation is not limited to the example of the embodiment. For example, tapping the touch panel 24 may correspond to a game operation. Further, for example, touching between the front touch panel 24a and the back touch panel 24b may correspond to a game operation. That is, when the evaluation time point comes, touching a predetermined position of each of the plurality of touch panels 24 may correspond to a game operation.

  For example, the player pressing the button of the operation key unit 36 may correspond to a game operation. In this case, for example, the position, line-of-sight direction, or gaze point of the virtual camera 56 is changed by operating the cross key, analog stick, or slide pad of the operation key unit 36, or a predetermined button of the operation key unit 36 is operated. As a result, the zoom and angle of view of the virtual camera 56 change.

  (7) For example, the method of changing the viewpoint parameter is not limited to the example of the embodiment. The viewpoint parameter may be changed based on the game operation of the player. For example, when the player double taps the touch panel 24, the positional relationship between the gazing point Q and the current gazing point Q is a predetermined condition. The viewpoint parameter may be changed so as to follow the character 54 that satisfies the condition (for example, the character 54 near the gazing point Q).

  (8) Further, for example, the present invention can be applied to a game other than the music game described in the embodiment or the modification. The present invention can be applied to a game in which a player performs a game operation to change a viewpoint parameter. In addition, for example, the viewpoint parameter of the viewpoint for viewing the game space in which a sports game is played may be changed, or the viewpoint parameter of the viewpoint for viewing the game space imitating the battlefield may be changed. May be.

  10 game devices, 11 portable game machines, 12 buses, 14 control units, 16 storage units, 18 main storages, 20 image processing units, 22 display units, 24 touch panels, 26 input / output processing units, 28 memory card slots, 30 memory cards 32, optical disk playback unit, 34 optical disk, 36 operation key unit, 38 audio processing unit, 40 audio output unit, 42 audio input unit, 50 game space, 52 stage, 54 character, 56 virtual camera, 60 game data storage unit, 62 Game operation detection unit, 64 First display control unit, 66 Second display control unit, 68 Comparison unit, 70 Game operation evaluation unit, 80 Game screen, 82 Captured image, 84 Reference image, 86 Matching degree, 88 score, 90 button .

Claims (6)

Game operation detection means for detecting a player's game operation;
First display control means for displaying on the display means a photographed image showing a state in which the game space in which the object is arranged is viewed from a viewpoint in which a viewpoint parameter that is changed based on the game operation of the player is set;
Means for acquiring the reference viewpoint parameter or the reference image data from means for storing a reference viewpoint parameter to be set for the viewpoint or reference image data indicating a reference image to be displayed on the display means;
A second display control means for causing the display means to display a captured image showing a state of viewing the game space from the viewpoint set with the reference viewpoint parameter, or a reference image indicated by the reference image data;
The viewpoint parameter changed based on the game operation of the player and the reference viewpoint parameter are compared, or an image displayed by the first display control means and an image displayed by the second display control means A comparison means for comparing
Game operation evaluation means for evaluating the game operation of the player based on the comparison result of the comparison means;
A game apparatus comprising: The game operation evaluation means evaluates the game operation of the player when a predetermined evaluation time comes,
The game device includes:
The image displayed by the first display control unit and the image displayed by the second display control unit are overlapped so that the size of one image approaches the size of the other image as the evaluation time point approaches. Means for guiding the evaluation time point to the player by performing display control on
The game apparatus according to claim 1, further comprising: The game operation evaluation means evaluates the game operation of the player when a predetermined evaluation time comes,
The game device includes:
The image displayed by the first display control means and the image displayed by the second display control means are translucently synthesized and displayed on the display means, and as one of the evaluation points approaches, the semitransparent composition of one image is made Means for guiding the evaluation time point to the player by performing display control so that the ratio of
The game device according to claim 1, further comprising: The game operation detection means includes a front surface touch panel and a back surface touch panel provided on the front and back of the chassis of the game device, and detects the game operation of the player based on contact position information acquired by the front surface touch panel and the back surface touch panel. And
The first display control means includes
Means for changing the viewpoint parameter relating to the position of the viewpoint and / or the viewpoint parameter relating to zooming of the viewpoint based on contact position information acquired by the front surface touch panel;
And / or
Based on the contact position information acquired by the back touch panel, the viewpoint parameter related to the viewing direction of the viewpoint or the gazing point, or the viewpoint parameter related to the angle of view of the viewpoint,
The game device according to claim 1, comprising: A game operation detecting step for detecting a player's game operation;
A first display control step for causing a display unit to display a photographed image showing a state in which a game space in which an object is placed is viewed from a viewpoint in which a viewpoint parameter that is changed based on a game operation of the player is set;
Obtaining the reference viewpoint parameter or the reference image data from a means for storing a reference viewpoint parameter to be set for the viewpoint or reference image data indicating a reference image to be displayed on the display means;
A second display control step of causing the display means to display a captured image showing a state of viewing the game space from the viewpoint set with the reference viewpoint parameter, or a reference image indicated by the reference image data;
The viewpoint parameter changed based on the game operation of the player and the reference viewpoint parameter are compared, or an image displayed by the first display control step and an image displayed by the second display control step A comparison step for comparing
A game operation evaluation step of evaluating a game operation of the player based on a comparison result of the comparison step;
A method for controlling a game device, comprising: Game operation detecting means for detecting a player's game operation;
First display control means for displaying on the display means a photographed image showing a state in which the game space in which the object is arranged is viewed from a viewpoint in which a viewpoint parameter that is changed based on the game operation of the player is set;
Means for acquiring the reference viewpoint parameter or the reference image data from means for storing a reference viewpoint parameter to be set for the viewpoint or reference image data indicating a reference image to be displayed on the display means;
A second display control means for causing the display means to display a photographed image showing a state in which the game space is viewed from the viewpoint in which the reference viewpoint parameter is set, or a reference image indicated by the reference image data;
The viewpoint parameter changed based on the game operation of the player and the reference viewpoint parameter are compared, or an image displayed by the first display control means and an image displayed by the second display control means Comparison means to compare,
Game operation evaluation means for evaluating the game operation of the player based on the comparison result of the comparison means;
A program for causing a computer to function as a game device.

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