JP4563267B2 - Network game system, network game control method, game device, game control method, and program - Google Patents

Description

  The present invention relates to a network game system, a network game control method, a game device, a game control method, and a program, and more particularly to trajectory control of a ballistic or other object in a network game.

  In a network game of a type in which a common virtual three-dimensional space is shared by a plurality of game terminals connected to a communication network, generally, an object corresponding to each game terminal such as a game character to be operated by a player is virtual. A state in which the virtual three-dimensional space is viewed from a viewpoint arranged in the three-dimensional space and following these objects is displayed on the game screen of each game terminal. In such a game, the player grasps the state of the virtual three-dimensional space while performing an appropriate game operation while looking at the game screen of the game terminal used by the player.

  As described above, each viewpoint used to generate a game screen follows an object in the virtual three-dimensional space. The specific positional relationship between the object and the viewpoint can be broadly classified as a first-person viewpoint that is positioned very close to the object, such as the inside of the object, and a position that is far from the object, such as the sky above the object. And the relationship of the second person viewpoint.

  Among these, in the former, the object corresponding to the game screen itself is not displayed, or even if it is displayed, it is displayed only very limitedly. For this reason, in particular, there is a problem in that even if another object approaches a part far from the viewpoint among objects corresponding to the game screen, the player cannot sufficiently grasp this from the game screen. .

  For example, in the case of a network gun shooting game in which player character objects corresponding to each game terminal shoot bullets with a gun in a common virtual three-dimensional space, when the first person viewpoint is adopted, the game screen includes the game screen. In many cases, an image of a player character object corresponding to a game terminal that displays the image is not displayed, or even if it is displayed, only a hand with a gun is displayed. In this case, even if a bullet is fired from the gun of another player character object and it is about to hit the foot of the player character object, it is said that the bullet is pointing out of the field of view, that is, outside the game screen. Even if it can be understood immediately, it cannot be immediately understood that the player character object corresponding to the game terminal displaying the game screen is hit.

  The present invention has been made in view of the above problems, and its purpose is that, when a viewpoint used to display a virtual three-dimensional space is set for an object, another object is about to contact the object. Is to provide a network game system, a network game control method, a game device, a game control method, and a program that allow a player to immediately understand the game from the game screen.

  In order to solve the above problems, a network game system according to the present invention includes first and second game devices that are connected to each other via a communication network and share a virtual three-dimensional space. Here, a first viewpoint setting object corresponding to the first game device, a second viewpoint setting object corresponding to the second game device, and a moving object are arranged in the virtual three-dimensional space.

  The first game device includes means for determining a trajectory of the moving object, and means for displaying a state in which the virtual three-dimensional space is viewed from the viewpoint set in the first viewpoint setting object. On the other hand, the second game device has a predetermined range set for the second viewpoint setting object based on the means for acquiring the trajectory of the moving object, and the trajectory of the moving object and the position of the second viewpoint setting object. Means for determining whether or not the moving object enters; and means for correcting the trajectory based on a viewpoint position set in the second viewpoint setting object when the moving object enters the predetermined range. And means for displaying a state of viewing the virtual three-dimensional space from the viewpoint set in the second viewpoint setting object.

  A network game control method according to the present invention is a network game control method using first and second game devices that are connected to each other via a communication network and share a virtual three-dimensional space, the virtual three-dimensional A first viewpoint setting object corresponding to the first game device, a second viewpoint setting object corresponding to the second game device, and a moving object are arranged in the space.

  Then, the first game device executes a step of determining a trajectory of the moving object, and a step of displaying a state of viewing the virtual three-dimensional space from the viewpoint set in the first viewpoint setting object. . On the other hand, the second game device obtains a trajectory of the moving object, and within a predetermined range set for the second viewpoint setting object based on the trajectory of the moving object and the position of the second viewpoint setting object. Determining whether or not the moving object enters, and correcting the trajectory based on a viewpoint position set in the second viewpoint setting object when the moving object enters the predetermined range; And a step of displaying the virtual three-dimensional space viewed from the viewpoint set in the second viewpoint setting object.

  As described above, when the moving object enters the predetermined range between the first game device and the second game device, the moving object moves in the virtual three-dimensional space according to different trajectories. It is displayed.

  According to the present invention, when the moving object enters the predetermined range set in the second viewpoint setting object, the trajectory of the moving object is corrected based on the viewpoint position set in the second viewpoint setting object. . Therefore, the moving object can be moved within the field of view, and in the second game device, the player can immediately understand that the moving object is coming into contact with the second viewpoint setting object from the game screen. . In the first game device, when the trajectory of the moving object is set, the moving object that moves along the trajectory is displayed, so that the player does not feel uncomfortable.

  The game device according to the present invention is a game device that displays a view of a virtual three-dimensional space in which the viewpoint setting object and the moving object are arranged from the viewpoint set in the viewpoint setting object, the moving object A trajectory acquisition means for acquiring a trajectory of the moving object, and an entry determination for determining whether or not the moving object enters the predetermined range set in the viewpoint setting object based on the trajectory of the moving object and the position of the viewpoint setting object And trajectory correcting means for correcting the trajectory based on the position of the viewpoint when the moving object enters the predetermined range.

  The game control method according to the present invention is a game control method for displaying a view of a virtual three-dimensional space in which the viewpoint setting object and the moving object are arranged from the viewpoint set in the viewpoint setting object, A trajectory acquisition step for acquiring a trajectory of the moving object, and determining whether or not the moving object enters a predetermined range set in the viewpoint setting object based on the trajectory of the moving object and the position of the viewpoint setting object. An approach determining step; and a trajectory correcting step of correcting the trajectory based on the position of the viewpoint when the moving object enters the predetermined range.

  Further, the program according to the present invention is a program for causing a computer to function as a game device that displays a view of a virtual three-dimensional space in which the viewpoint setting object and the moving object are arranged from the viewpoint set in the viewpoint setting object. A trajectory acquisition means for acquiring a trajectory of the moving object, whether the moving object enters a predetermined range set in the viewpoint setting object based on the trajectory of the moving object and the position of the viewpoint setting object. And a program for causing the computer to function as trajectory correcting means for correcting the trajectory based on the position of the viewpoint when the moving object enters the predetermined range. The computer is, for example, an arcade game machine, a home game machine, a portable game machine, a personal computer, various server computers, a portable information terminal, a mobile phone, or the like. The program may be stored in a CD-ROM, DVD-ROM, or other computer-readable information storage medium.

  According to the present invention, when the moving object enters the predetermined range set in the viewpoint setting object, the trajectory of the moving object is corrected based on the viewpoint position set in the viewpoint setting object. Therefore, the moving object can be moved within the visual field range, and the player can immediately understand from the game screen that the moving object is in contact with the viewpoint setting object.

  The trajectory correcting unit may shift the trajectory toward the viewpoint. In this way, the moving object can easily move within the visual field range.

  In addition, the trajectory acquisition unit may acquire the trajectory of the moving object from another game device via a communication network.

  Further, the viewpoint setting object may be a game character object that is an operation target of a player, and the moving object may be a bullet object fired from a game character object that is an operation target of another player. In this way, it is possible to realize an interesting shooting game that can immediately understand from the game screen that the bullet object contacts the game character object.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a perspective view showing an appearance of a game device according to an embodiment of the present invention. The game apparatus 10 shown in FIG. 1 is a business machine arranged in various game halls. A base 18 extending forward from the housing 12 is attached to the bottom of the housing 12. A game stage 20 thinner than the base 18 is attached to the front. A footprint 52 is drawn at the center of the game stage 20, and the player faces the housing 12 when the player stands with this footprint 52.

  A slope is formed in the forefront of the base 18, that is, a place where the game stage 20 is attached, and a foot controller 50 is provided on this slope. A pressure-sensitive sensor is built in the foot controller 50, and when a player standing on the game stage 20 puts his / her left or right foot forward and steps on the foot controller 50, a notification to that effect is given to the inside of the apparatus. It has come to be.

  The housing 12 is formed higher than a general adult's height, and a substantially rectangular frame 14 is attached to the upper portion thereof. The frame body 14 is disposed slightly obliquely so that the front side is higher than the rear side. The back side of the frame pair 14 is fixed to the top of the housing 12, and further fixed to the top of the pair of support bars 16 on the left and right. The pair of support bars 16 are fixed to the left and right side surfaces of the housing 12. An ultrasonic transmitter 17 and ultrasonic receivers 13 and 15 are provided on the front side of the frame body 14. That is, an ultrasonic receiver 15 is provided on the upper left side toward the housing 12, an ultrasonic receiver 13 is provided on the upper right side, and an ultrasonic transmitter 17 is provided on the upper center side. The ultrasonic transmitter 17 and the ultrasonic receivers 13 and 15 are arranged on the same straight line, and the ultrasonic transmitter 17 is attached in the middle of the ultrasonic receivers 13 and 15. In the game apparatus 10, ultrasonic waves are emitted downward from the ultrasonic transmitter 17, and the time until the reflected waves are detected by the ultrasonic receivers 13 and 15 is measured. Thus, the distance obtained by adding the distance from the ultrasonic transmitter 17 to the player's head and the distance from the player's head to the ultrasonic receiver 13, the distance from the ultrasonic transmitter 17 to the player's head, and the player The two distances are obtained by adding the distance from the head to the ultrasonic receiver 15 together. Then, from these two distances, the posture of the player standing on the game stage 20 is detected.

  A monitor 24 that displays a game screen faces the player 12 in front of the player, and an advertisement board 22 is attached to the upper part thereof. A lower portion of the monitor 24 is pushed forward, and a protruding portion 26 is formed. A speaker 28 for outputting game sound effects and game music is attached to the forefront portion 26. Further, below the monitor 24, an upper end of a front plate 38, which is a vertically long plate member having a width narrower than the casing width, is attached. The lower end of the front plate 38 is attached to the upper surface of the base 18 and is erected on the base 18. The front plate 38 rises substantially vertically from the base 18 and then bends toward the housing 12, and the upper end is attached below the monitor 24 as described above.

  Selection buttons 34 and 36 and a determination button 32 are attached to the front surface of the front plate 38, and the player can perform various selection operations by pressing these buttons. A gun holder is also formed below the selection buttons 34 and 36 and the determination button 32 so that the gun controller 30 can be hooked when not in use.

  Each end of the signal cable 48 and the holding cable 42 is attached to the grip portion of the gun controller 30. The other end of the signal cable 48 is introduced into the housing 12, and the detection result (used for detecting the barrel direction) of the optical sensor provided inside the barrel of the gun controller 30 and the trigger signal are transmitted by the signal cable 48. This is notified inside the housing 12. Further, the other end of the holding cable 42 is firmly attached to the lower portion of the housing 12 so that the gun controller 30 is not easily taken away.

  A coin insertion unit 40 and a coin return unit 44 are provided in the lower part of the housing 12, and a coin collection unit that collects coins that are inserted from the coin insertion unit 40 and collected in a coin box (not shown) inside the housing 12. A door 46 is provided.

  In the game apparatus 10 having the above-described configuration, the player stands on the game stage 20 with his / her foot in the footstep 52, holds the gun controller 30 in his hand, points the barrel at the enemy displayed on the monitor 24, and pulls the trigger. . Then, a bullet object is ejected in the virtual three-dimensional space and flies toward the enemy. Similarly, a bullet object is ejected from the enemy toward itself. At this time, if the player shifts his / her head from side to side, or bends and lowers his / her head, the bullet object can be avoided.

  As shown in FIG. 2, the game apparatus 10 is connected to a communication network, and constitutes a network shooting game system together with other game apparatuses 10. That is, as shown in the figure, in this network shooting game system 60, a plurality of game apparatuses 10 (here, n game apparatuses 10-1 to 10-n) are connected to a communication network 62 such as the Internet. Furthermore, a lobby server 64 is also connected. Each game apparatus 10 is provided with a server function 10b in addition to the client function 10a, and the lobby server 64 has a plurality of game apparatuses 10 that participate in the network shooting game among the game apparatuses 10 that are currently accessed. decide. For example, the lobby server 64 acquires the game proficiency level of the player of each game device 10, thereby selecting a plurality of game devices 10 played by players of the same game proficiency level, and using them for the same network shooting. Engage in the game. The lobby server 64 selects one game device 10 as a game server from the game devices 10 thus determined. Then, through the server function 10b of the game apparatus 10, the client function 10a of the game apparatus 10 and the client function 10a of the other game apparatus 10 exchange data indicating the current state of the virtual three-dimensional space, and the like. Therefore, the virtual three-dimensional space that is the stage of the shooting game is shared.

  FIG. 3 shows an example of a game screen displayed on the monitor 24 of each game apparatus 10. In the network shooting game system 60, a player character object is associated with each game apparatus 10, and all of the player character objects associated with the game apparatus 10 participating in the game are arranged in a virtual three-dimensional space. . In the game apparatus 10, a state in which the virtual three-dimensional space is viewed from the viewpoint provided at the eye position of the player character object associated with the game apparatus 10 is displayed on the monitor 24 as a game screen. ing. In addition, on the game screen, a self-status image 70 indicating the status of the player and an other status image 66 indicating the status of other participants are displayed. An elapsed time image 68 showing the elapsed time from the start of the game is also displayed.

  In the virtual three-dimensional space, as shown in the figure, in addition to static objects such as a car object 72, a building object 78, and a ground object 76 (an object whose position and posture do not change over time), a player character Dynamic objects such as objects (viewpoint setting objects) 74 and bullet objects (moving objects) 80 and 82 (objects whose positions and orientations change according to programs and game operations over time) are arranged. The game screen shown in the figure shows a state in which the virtual three-dimensional space is viewed from the viewpoint arranged at the eye position of a certain player character object, and the player character object 74 is displayed at substantially the center. In addition, a bullet object 80 indicating a paintball (resin-made small ball with paint encapsulated therein) fired from a toy gun held by the player character object 74 is displayed in front of it. . A bullet object 82 fired by a player character object (not shown) associated with the game apparatus 10 that displays the game screen is also displayed around the player character object 74.

  In this embodiment, the bullet objects 80 and 82 simulate a paintball, and the bullet objects 80 and 82 are other objects such as a car object 72, a building object 78, a ground object 76, and a player character. When it hits the object 74 or the like, the state of bursting and the internal paint adhering to the object is expressed. Here, a paint mark object 84 is arranged on the ground object 76 and the car object 72, and it is shown that a bullet object hits these objects. In particular, in this embodiment, the direction (contact direction) when a bullet object hits these objects is calculated, and a texture image corresponding to the angle formed by this direction and the direction of the contact surface (horizontal direction or normal direction) Is used to display the paint mark object 84. Specifically, the paint mark object 84 is displayed using a texture image indicating a paint mark that is nearly circular as the angle between the contact direction and the horizontal direction of the contact surface approaches 90 degrees. Further, the paint mark object 84 is displayed using a texture image indicating a paint mark extending horizontally as the angle between the contact direction and the horizontal direction of the contact surface approaches zero degrees. At this time, the direction in which the paint mark extends, that is, the direction in which the paint mark object 84 is arranged matches the contact direction of the bullet object. As a result, the player can immediately grasp where the bullet object fired from the virtual three-dimensional space is attached by looking at the paint mark object 84 displayed on the game screen.

  Hereinafter, the internal processing of each game apparatus 10 will be described in detail.

  FIG. 4 is a hardware configuration diagram of the game apparatus 10. As shown in the figure, this game apparatus 10 is a computer game system, and is configured around a control unit 98 constituted by a CPU, a memory, and the like. The control unit 98 includes a gun controller 30, an ultrasonic transmitter 17, ultrasonic receivers 13 and 15, a foot controller 50, a storage unit 90, a disk reading device 94, a communication unit 92, an audio processing unit 102, and a display control unit 100. Is connected.

  The gun controller 30 is a gun-type game controller, and the timing at which the player pulls the trigger and the pointing direction of the gun controller 30 at that timing (specifically, the position of the gun controller 30 on which position of the monitor 24 is directed). Is input to the control unit 98. The ultrasonic transmitter 17 emits ultrasonic waves according to instructions from the control unit 98. Further, the control unit 98 starts timing from the timing when the ultrasonic transmitter 17 is instructed to transmit ultrasonic waves. Further, the ultrasonic receivers 13 and 15 receive the ultrasonic wave emitted from the ultrasonic transmitter 17 and pass the received waveform to the control unit 98. Then, the control unit 98 determines the timing at which the reflected wave from the player's head enters the ultrasonic receivers 13 and 15 based on the received waveforms passed from the ultrasonic receivers 13 and 15. The foot controller 50 notifies the control unit 98 that the player has stepped on the foot controller 50.

  The storage unit 90 includes various data storage means such as a hard disk storage device and a RAM, and stores programs for realizing the client function 10a and the server function 10b.

  The disk reader 94 reads data from a disk 96 that is a computer-readable information storage medium such as a CD-ROM or a DVD-ROM, and supplies the data to the controller 98. Here, it is assumed that various programs executed on the game apparatus 10 are supplied from the disk 96 to the game apparatus 10 and installed in the storage unit 90.

  The communication unit 92 is connected to the communication network 62 and receives data indicating the status of other game devices 10 participating in the network shooting game (position data and ballistic data described later) from the game device 10 operating as a game server. ). Further, data (position data and ballistic data described later) indicating the situation of the own device (the game device 10) is transmitted to the game device 10 operating as a game server. Further, when the game apparatus 10 operates as a server, when data is received from the client function 10a of another game apparatus 10, it is further distributed to the client function 10a of the other game apparatus 10.

  Speakers 28 and 28 are connected to the sound processing unit 102, and output game sound effects, game music and other sounds according to control from the control unit 98. For example, a bullet injection sound is output when a bullet object is emitted. A monitor 24 is connected to the display control unit 100 and displays and outputs a game screen as shown in FIG. 3, for example, according to control from the control unit 98.

  FIG. 5 is a functional block diagram of the game apparatus 10. The game apparatus 10 is a computer game system having a known configuration as described above, and implements various functions by executing predetermined programs. As shown in the figure, this game apparatus 10 functionally includes a communication control unit 200, another character ballistic data storage unit 202, another character position data storage unit 204, own character ballistic data storage unit 206, own character position data. A storage unit 208, a left / right shift amount update unit 210, a player posture determination unit 212, a base position setting unit 216, a player character ballistic data generation unit 218, a hit prediction unit 220, a ballistic data correction unit 222, and a game image generation unit 214 are included. It is configured. These functions are realized by the control unit 98 executing a program supplied from the disk 96 to the game apparatus 10.

  First, the player character ballistic data generation unit 218 generates ballistic data based on the input from the gun controller 30. That is, when data indicating the barrel direction is input from the gun controller 30, the position coordinates (absolute coordinates in the virtual three-dimensional space) of the own character at that time are generated based on the stored contents of the own character position data storage unit 208. . This position coordinate is used as the bullet object injection position, and is stored in the own character ballistic data storage unit 206 as ballistic data together with the barrel direction (injection direction) input from the gun controller 30. FIG. 11B shows the structure of data stored in the own character ballistic data storage unit 206. The ballistic data stored in the player character ballistic data storage unit 206 is transmitted by the communication control unit 200 to the game apparatus 10 that executes the server function 10b. The game apparatus 10 that executes the server function 10b distributes the received ballistic data to other game apparatuses 10 that participate in the network shooting game. This data is received by the communication control unit 200 of each game apparatus 10 and stored in the other character trajectory data storage unit 202. FIG. 11A shows the configuration of data stored in the other character ballistic data storage unit 202.

  When the ballistic data newly generated by the other game apparatus 10 is stored in the other character ballistic data storage unit 202, the hit prediction unit 220, the ballistic data stored in the other character ballistic data storage unit 202, and the own character Whether or not the bullet object hits the player character object based on the position coordinates (absolute coordinates) of the player character object associated with the game apparatus 10 calculated based on the stored contents of the position data storage unit 208 Predict. That is, it is determined whether or not the predicted trajectory of the bullet object indicated by the trajectory data enters a hit check (interference determination) area (not shown) set for the player character object. The trajectory of the bullet object may be linear or parabolic. In addition, various trajectories can be employed.

  When the bullet object enters the hit check area, that is, when it is evaluated that the bullet object 306 hits a predetermined position of the player character PC (see FIG. 12A), the ballistic data correction unit 222 The ballistic data stored in the ballistic data storage unit 202 is corrected based on the position coordinates of the viewpoint VP set at the eye position of the player character object PC associated with the game apparatus 10 (see FIG. 12B). ). Specifically, the trajectory data correction unit 222 shifts the emission direction 304 of the ballistic data to the position of the viewpoint VP set as the eye position of the player character PC to obtain the corrected emission direction 304a. That is, the injection direction 304 (vector data) constituting the ballistic data is set so that the angle formed by the vector connecting the injection position of the bullet object 306 and the viewpoint VP and the vector of the injection direction 304 of the bullet object 306 becomes small. to correct. Then, the corrected data is stored in the other character ballistic data storage unit 202. In this way, the bullet object 306 moves within the visual field range 302 of the player character PC, and when the game screen is generated by projecting the state of the virtual three-dimensional space onto the screen 300, the bullet object 306 is present there. It will definitely be represented.

  In the game apparatus 10, as shown in FIG. 6, a plurality of basic positions are set in a virtual three-dimensional space serving as a game stage, and these position coordinates and IDs are stored in advance. Each game character object has its actual installation position determined based on any base position (placement reference position). The base position setting unit 216 selects the base position of the player character object associated with the game apparatus 10 as the placement reference position. Specifically, at the start of the game, a predetermined basic position is selected as the arrangement reference position. When the player posture determination unit 212 determines that a predetermined time or more has elapsed with the body largely shifted left or right on the game stage 20, the player posture determination unit 212 sets the direction of the virtual three-dimensional space corresponding to the shifted direction. Change the placement reference position to the base position. Further, when the foot controller 50 is stepped on, the arrangement reference position is changed to the basic position in front of the player character.

  Further, the base position setting unit 216 selects, from among the other player character objects arranged in the virtual three-dimensional space, an opponent to which the player character object associated with the game apparatus 10 is directed, and assigns the player character to the player character. Such a base position is managed as a pointing position. Specifically, the other character position data storage unit 204 stores a basic position (arrangement reference position) selected in the other game apparatus 10 and selects one as a pointing position. The selection results of the base position setting unit 216 (the arrangement reference position and the pointing position of the player character object associated with the game apparatus 10) are both stored in the own character position data storage unit 208.

  FIG. 10 is a diagram for explaining a method for reselecting the arrangement reference position. As shown in the figure, when the base positions P1 to P6 are arranged in the virtual three-dimensional space, the position of the opponent player character object (the opponent object) arranged at the pointing position through the current position SP ′ of the player character object. Is calculated. The track 250 extends counterclockwise in plan view when the player's head is shifted to the left side toward the housing 12. Moreover, when it has shifted | deviated to the right side, it extends clockwise by planar view. Then, the base position (here P3) closest to the trajectory 250 is selected as a new placement reference position.

  The player posture determination unit 212 determines the posture of the player standing on the game stage 20 using the ultrasonic transmitter 17 and the ultrasonic receivers 13 and 15. That is, as shown in FIG. 8, an ultrasonic wave is emitted from the ultrasonic wave transmitter 17, each time from when the head of the player M is reflected and incident on the ultrasonic wave receivers 13 and 15 is measured, and from there The sum (10 + l1) of the distance l0 from the sound wave transmitter 17 to the head of the player M and the distance l1 from the head of the player M to the ultrasonic receiver 13, and the distance l0 from the ultrasonic wave transmitter 17 to the head of the player M And the sum (l0 + l2) of the distance l2 from the head of the player M to the ultrasonic receiver 15 is acquired. Further, since the length L in the figure is known, data (x and y) for specifying the position of the head of the player M is calculated based on these pieces of information. If the absolute value of the value of y (the shift amount of the left and right of the player's head) exceeds a predetermined value for a predetermined time or longer, the basic position setting unit 216 is notified of the player's head misalignment direction. In response, the base position setting unit 216 reselects the placement reference position.

  On the other hand, if the state where the absolute value of the y value is greater than or equal to the predetermined value has not continued for a predetermined time or longer, the player posture determination unit 212 passes the y value to the left / right shift amount update unit 210. Then, the left / right shift amount update unit 210 calculates the shift amount of the player character object based on the value of y, and stores it in the own character position data storage unit 208. The shift amount may be, for example, the y value itself passed from the player attitude determination unit 212, or the shift amount may be calculated by performing various processes such as smoothing on the sequentially generated y value.

  FIG. 9B shows the configuration of data stored in the own character position data storage unit 208. As shown in the figure, the position data includes a basic position ID for identifying a basic position selected by the basic position setting unit 216 as an arrangement reference position, a shift amount set by the left / right shift amount update unit 210, and a basic position as a pointing position. A base position ID (lock base position ID) for identifying the base position selected by the position setting unit 216 is included.

  FIG. 7 shows the relationship between the shift amount, the arrangement reference position, and the current position of the player character. In the figure, a thick arrow indicates the posture of the player character object. In the drawing, SP indicates the arrangement reference position, SP ′ indicates the position of the player character object after the maximum distance shift, and EP indicates the base position selected as the directivity position. The player character object moves to the left and right in the state where the pointing position EP is directed by the shift amount set by the left and right shift amount updating unit 210 with the arrangement reference position SP as the center. Here, the shift direction of the player character is perpendicular to the direction from the arrangement reference position SP to the pointing position EP, but may be shifted in another direction. Further, the shift amount is limited to a certain distance (L in this case) on both the left and right sides.

  The data stored in the player character position data storage unit 208 is transmitted by the communication control unit 200 to the game apparatus 10 that executes the server function 10b. This game apparatus 10 distributes the received data to other game apparatuses 10 participating in the network game. When the communication control unit 200 receives the position data thus distributed, the communication control unit 200 stores it in the other character position data storage unit 204. FIG. 9A shows the configuration of data stored in the other character position data storage unit 204.

  The game image generation unit 214 displays on the monitor 24 based on the storage contents of the other character ballistic data storage unit 202, the other character position data storage unit 204, the own character ballistic data storage unit 206, and the own character position data storage unit 208. Draw a game screen. Specifically, the ballistic data is read from the other character ballistic data storage unit 202, the bullet object is placed on the trajectory in the virtual three-dimensional space indicated by the ballistic data, and is moved with time. Similarly, the ballistic data is read from the own character ballistic data storage unit 206, a bullet object is placed on the trajectory in the virtual three-dimensional space indicated by the ballistic data, and is moved with the passage of time.

  Further, the position data is read from the other character position data storage unit 204, and the player character object associated with the other game apparatus 10 is arranged at the position in the virtual three-dimensional space indicated by the position data. At this time, the posture of the player character object is determined so as to face the pointing position from the current position based on the pointing position (lock base position ID). Further, the player character object is arranged at a position shifted from the arrangement reference position by the shift amount. Similarly, position data is read from the player character position data storage unit 208, and a player character object associated with the game apparatus 10 is placed at a position in the virtual three-dimensional space indicated by the position data. Also at this time, the posture of the player character object is determined so as to face the pointing position from the current position based on the pointing position (lock base position ID). Further, the player character object is arranged at a position shifted from the arrangement reference position by the shift amount.

  Furthermore, in this game apparatus 10, it is determined whether or not the bullet object has contacted another object. If it is in contact with another object, the ballistic data related to the bullet object is deleted from the other character ballistic data storage unit 202 or the own character ballistic data 206. Then, an image showing a paint mark is displayed at the contact position. For this reason, the paint mark object is arranged at a position where the bullet object contacts (hits) another object in the virtual three-dimensional space.

  The following two methods are employed for displaying the paint mark object. That is, for a static object such as a building object 78, as shown in FIG. 13, when the bullet object 400 contacts the static object 402, as shown in FIG. Cut the part from the static object 402. At this time, as shown in FIG. 16, the contact direction 408 is calculated from the trajectory of the bullet object 400 and projected onto the static object 402 to obtain a vector 409, and the angle θ formed between the vector 409 and the contact direction 408. Is calculated in advance.

  Then, when a portion centered on the contact position 404 is cut out from the static object 402, the direction of the cut portion is determined according to the vector 409. Thereafter, the polygons constituting the cut paint mark object 406 are subdivided (see FIG. 17), and a texture image showing the paint marks is mapped there. At this time, a plurality of texture images showing paint marks are prepared in advance and stored in association with the range of the angle θ formed above (see FIG. 18). A texture image corresponding to the angle θ calculated as described above is selectively read out and mapped onto the paint mark object 406 (see FIG. 19). Thereafter, the paint mark object 406 is arranged at the contact position of the bullet object 400 in the original static object 402.

  On the other hand, for a dynamic object such as a player character object, as shown in FIG. 20, an invisible polygon model (paint mark object) 502 that completely surrounds the dynamic object 500 is arranged around the dynamic object 500. deep. As shown in FIG. 21, the polygon model 502 is configured by a combination of polygons finer than the dynamic object 500 itself, and can map an arbitrary texture at an arbitrary position. Then, when the bullet object 400 contacts the dynamic object 500, the position of the polygon model 502 corresponding to the contact position is specified (see FIG. 22), and there is a paint mark prepared in advance as shown in FIG. The texture image is mapped (see FIG. 23). Also at this time, the texture image corresponding to the angle formed by the contact direction of the bullet object 400 with respect to the dynamic object 500 and the direction of the contact surface is selectively read and mapped to the contact location.

  Thereafter, in the game image generation unit 214, an image of the virtual three-dimensional space viewed from the viewpoint arranged at the eye position of the player character object associated with the game apparatus 10 is displayed on the monitor 24. .

  According to the network game system described above, when a bullet object is predicted to come into contact with the player character object, the trajectory of the bullet object is corrected so that the bullet object moves toward the viewpoint set on the player character. Since the movement is made, the state in which the bullet object is approaching can be shown by displaying on the monitor 24 the state of viewing the virtual three-dimensional space from the viewpoint.

  In addition, since the position of each player character object is constrained to any of a plurality of predetermined base positions, and their postures are calculated based on the base positions where other player character objects are constrained, communication While suppressing an increase in traffic on the network 62, it is possible to share the positions and postures of the objects associated with the game apparatuses 10 among the plurality of game apparatuses 10.

  Furthermore, when a bullet object touches another object, a paint mark object with a texture image mapped according to the contact direction and the direction of the contact surface is displayed, so where the bullet object is fired from. It is possible for the player to immediately understand whether or not the game is on the game screen.

1 is an external perspective view of a game device according to an embodiment of the present invention. 1 is an overall configuration diagram of a network shooting game system according to an embodiment of the present invention. It is a figure which shows an example of a game screen. It is a figure which shows the hardware constitutions of a game device. It is a functional block diagram of a game device. It is a figure which shows the some basic position set to the virtual three-dimensional space. It is a figure which shows the determination method of the position and attitude | position of a player character object. It is a figure explaining the method of a posture judgment of a player. It is a figure which shows the structure of the position data of a player character object. It is a figure which shows the change direction of a basic position (arrangement reference position). It is a figure which shows the structure of the trajectory data of a bullet object. It is a figure which shows the correction method of orbit data. It is a figure explaining the display method of the paint trace with respect to a static object. It is a figure explaining the display method of the paint trace with respect to a static object. It is a figure explaining the display method of the paint trace with respect to a static object. It is a figure explaining the display method of the paint trace with respect to a static object. It is a figure explaining the display method of the paint trace with respect to a static object. It is a figure explaining the display method of the paint trace with respect to a static object. It is a figure explaining the display method of the paint trace with respect to a static object. It is a figure explaining the display method of the paint trace with respect to a dynamic object. It is a figure explaining the display method of the paint trace with respect to a dynamic object. It is a figure explaining the display method of the paint trace with respect to a dynamic object. It is a figure explaining the display method of the paint trace with respect to a dynamic object.

Explanation of symbols

  10 game devices, 10a client function, 10b server function, 12 housing, 13, 15 ultrasonic receiver, 14 frame, 16 support rod, 17 ultrasonic transmitter, 18 base, 20 game stage, 22 billboard, 24 monitor, 26 projection part, 28 speaker, 30 gun controller, 32 determination button, 34, 36 selection button, 38 front plate, 40 coin insertion part, 42 holding cable, 44 coin return part, 46 coin recovery door, 48 signal Cable, 50 Foot Controller, 52 Foot, 60 Network Shooting Game System, 62 Communication Network, 64 Lobby Server, 66 Other Status Image, 68 Elapsed Time Image, 70 Own Status Image, 72 Car Object, 74 Player Character Object , 76 Ground object, 78 Building object, 80, 82, 306, 400 Bullet object, 84, 406 Paint mark object, 90 Storage unit, 92 Communication unit, 94 Disc reader, 96 disc, 98 Control unit, 100 Display Control unit, 102 voice processing unit, 200 communication control unit, 202 other character ballistic data storage unit, 204 other character position data storage unit, 206 own character ballistic data storage unit, 208 own character position data storage unit, 210 update left / right shift amount , 212 player posture determination unit, 214 game image generation unit, 216 base position setting unit, 218 own character ballistic data generation unit, 220 hit prediction unit, 222 ballistic data correction unit, 250 trajectory, 300 screen, 302 field of view range, 3 4,304a emission direction, 402 static objects, 404 contact position, 408 contact direction, 409 vectors, 500 dynamic objects, 502 polygon model.

Claims (7)

Including a first game device and a second game device that are connected to each other by a communication network and share a virtual three-dimensional space;
Wherein the virtual three-dimensional space, the first viewpoint specifying object corresponding to the first game device, the second viewpoint setting object corresponding to the previous SL second game device, and the moving object is located,
The first game device includes:
Storage means for storing data indicating a position corresponding to the first viewpoint setting object;
Based on the data indicating the position corresponding to the first viewpoint setting object stored in the storage means included in the first game device, and the data indicating the injection direction input from the controller, the moving object Trajectory data generating means for generating data indicating the trajectory;
Orbit data transmitting means for transmitting data indicating the trajectory of the moving object;
Display control means for displaying on the display unit a state in which the virtual three-dimensional space is viewed from the viewpoint set in the first viewpoint setting object based on the data indicating the trajectory of the moving object generated by the trajectory data generation means And including
The second game device includes:
Storage means for storing data indicating a position corresponding to the second viewpoint setting object;
Trajectory acquisition means for acquiring data indicating the trajectory of the moving object transmitted by the first game device ;
Based on the data indicating the trajectory of the moving object and the data indicating the position of the second viewpoint setting object stored in the storage means included in the second game device, the second viewpoint setting object is set. Entry determination means for determining whether or not the moving object enters a predetermined range;
Orbit correction means for correcting data indicating the trajectory of the moving object based on the position of the viewpoint set in the second viewpoint setting object when the moving object enters the predetermined range;
Display control means for displaying on the display unit a state in which the virtual three-dimensional space is viewed from the viewpoint set in the second viewpoint setting object based on data indicating the trajectory of the moving object after correction by the trajectory correction means. And including
In the first game device and the second game device, when the moving object enters the predetermined range, a state in which the moving object moves in the virtual three-dimensional space by different trajectories is displayed.
A network game system characterized by that. The network game system according to claim 1,
The viewpoint setting object is a game character object that is an operation target of the player,
The moving object is a bullet object fired from a game character object that is an operation target of another player.
A network game system characterized by that. A network game control method executed by a first game device and a second game device that are connected to each other by a communication network and share a virtual three-dimensional space,
Wherein the virtual three-dimensional space, the first viewpoint specifying object corresponding to the first game device, the second viewpoint setting object corresponding to the previous SL second game device, and the moving object is located,
The first game device includes storage means for storing data indicating a position of the first viewpoint setting object,
The second game device includes storage means for storing data indicating a position of the second viewpoint setting object,
The trajectory data generation means included in the first game device includes data indicating a position corresponding to the first viewpoint setting object stored in the storage means included in the first game device, and injection input from the controller Generating data indicating the trajectory of the moving object based on the data indicating the direction ;
A trajectory data transmitting means included in the first game device transmits data indicating a trajectory of the moving object;
The virtual three-dimensional space from the viewpoint set in the first viewpoint setting object based on the data indicating the trajectory of the moving object generated by the trajectory data generating means, the display control means included in the first game device A step of displaying on the display part the appearance of seeing,
A trajectory acquisition means included in the second game device acquires data indicating the trajectory of the moving object transmitted by the first game device ;
The entry determination means included in the second game device includes data indicating the trajectory of the moving object and data indicating the position of the second viewpoint setting object stored in the storage means included in the second game device. A step of determining whether or not the moving object enters a predetermined range set in the second viewpoint setting object;
When the moving object enters the predetermined range , the trajectory correcting means included in the second game device uses data indicating the trajectory of the moving object based on the viewpoint position set in the second viewpoint setting object. And correcting step,
The virtual three-dimensional space from the viewpoint set in the second viewpoint setting object based on the data indicating the trajectory of the moving object corrected by the trajectory correcting means, the display control means included in the second game device Displaying the appearance of seeing on the display unit ,
In the first game device and the second game device, when the moving object enters the predetermined range, a state in which the moving object moves in the virtual three-dimensional space by different trajectories is displayed .
A network game control method characterized by the above. A game device for displaying a view of a virtual three-dimensional space in which the viewpoint setting object and the moving object are arranged from the viewpoint set in the viewpoint setting object,
Storage means for storing data indicating the position of the viewpoint setting object;
Trajectory acquisition means for acquiring data indicating the trajectory of the moving object , transmitted from another game device that shares the virtual three-dimensional space and is connected by communication network ;
Whether the moving object enters the predetermined range set in the viewpoint setting object based on the data indicating the trajectory of the moving object and the data indicating the position of the viewpoint setting object stored in the storage unit Entry determination means for determining whether or not,
Trajectory correction means for correcting data indicating the trajectory of the moving object based on the position of the viewpoint when the moving object enters the predetermined range ,
The trajectory correction unit corrects data indicating the trajectory of the moving object so that the trajectory is shifted toward the viewpoint and the trajectory is in the visual field range of the viewpoint;
A game device characterized by that. The game device according to claim 4 ,
The viewpoint setting object is a game character object that is an operation target of the player,
The moving object is a bullet object fired from a game character object that is an operation target of another player.
A game device characterized by that. A game control method executed by a game device that displays a view of a virtual three-dimensional space in which the viewpoint setting object and the moving object are arranged from the viewpoint set in the viewpoint setting object,
The game device includes a trajectory acquisition unit, an entry determination unit, a trajectory correction unit, and a storage unit that stores data indicating the position of the viewpoint setting object,
Said track obtaining means, communicatively connected by a communication network, said transmitted the virtual three-dimensional space from the other game device for sharing, and Luz step to obtain data indicating a trajectory of the moving object,
The approach determining means, based on the position of the data indicating a trajectory of the moving object the viewpoint setting object, Luz step to determine whether the moving object in a predetermined range set in the viewpoint setting object enters When,
The trajectory correction means includes a correction step of correcting data indicating the trajectory of the moving object based on the position of the viewpoint when the moving object enters the predetermined range ;
In the correction step, the trajectory correction unit corrects data indicating the trajectory of the moving object so that the trajectory is shifted toward the viewpoint and the trajectory is within the visual field range of the viewpoint.
A game control method comprising: A program for causing a computer to function as a game device that displays a view of a virtual three-dimensional space in which the viewpoint setting object and the moving object are arranged from the viewpoint set in the viewpoint setting object,
The computer includes control means and storage means for storing data indicating the position of the viewpoint setting object,
Trajectory acquisition means for acquiring data indicating the trajectory of the moving object , transmitted from another game device sharing the virtual three-dimensional space, connected by communication via a communication network ;
Based on the data indicating the trajectory of the moving object and the position of the viewpoint setting object, an entry determination means for determining whether or not the moving object enters a predetermined range set in the viewpoint setting object; and When entering the predetermined range, the control means functions as a trajectory correction means for correcting data indicating the trajectory of the moving object based on the position of the viewpoint,
The trajectory correction unit corrects data indicating the trajectory of the moving object so that the trajectory is shifted toward the viewpoint and the trajectory is in the visual field range of the viewpoint;
A program characterized by that .

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