JP3048130B2 - Pseudo three-dimensional image display device and pseudo three-dimensional image display method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates] is 3-dimensional space in a three-dimensional image display equipment and pseudo three-dimensional image display how pseudo stereoscopically perspective view of the appearance from a predetermined direction in which the character moves on the screen about the.

[0002]

2. Description of the Related Art Conventionally, a fighter or the like (own character) that can be operated by a game player is flown in a two-dimensional game space, and how many enemy fighters (enemy characters) and the like appearing in the game space are displayed. There are video game machines that run shooting games that compete for destruction.

FIG. 8 is a plan view of a game space 54 displayed on a display device by a video game machine of this type. In FIG. 8, the game space 54 has a rectangular shape in which the major axis direction is infinite, and only a part thereof is displayed on the display device. The game screen 55 displayed on this display device moves in the long axis direction of the game space. On the game screen 54, the own character 50 operable by the game player is displayed.
The enemy character 52 to be destroyed by 0 is displayed. The own character 50 is set so as to be able to move forward, backward, left and right in the game screen 55, and the movable area 51 indicating the movable range of the own character 50 is set so that the own character 50 always exists in the game screen 55. It is set to overlap with the game screen 55. The movable area 51 is a rectangle that surrounds a range of about one-half from the near side of the game screen 55 or about two-thirds from the near side, and is set to be immovable relative to the game screen 55. It is generally done.

In recent years, a video game machine for executing a shooting game for displaying a game space as three-dimensional has been known. FIG. 9 is a diagram showing a display example of a game screen displayed by this type of video game machine. In FIG. 9, the game screen displays, for example, a three-dimensional game space when the player character 50 is viewed from behind, and a pseudo three-dimensional display of the player character 50 that can be operated by the game player in this space. Is done. Then, the own character 50 is set so as to be able to move forward, backward, left and right in the game space. Also in this case, 2
As in the case of the dimension, the movable area 5 of the own character 50
1 is set.

[0005]

However, when the movable area 51 is simply set in the same manner as in the two-dimensional case, the following problem occurs. That is, the three-dimensional space has a depth, and the front side is large and the back side is small. Therefore, the rectangular movable area 51
Is the shape displayed in perspective as shown in FIG.
(Trapezoid). For this reason, there are regions on the right and left sides of the game screen where the player character 50 cannot move (see the hatched portion in FIG. 10). However, usually, the movable area 5
1 is not set so that its existence can be grasped at a glance on the game screen, so that the movable range of the own character 50 becomes narrower toward the far side of the game space with respect to the game player playing the actual game. There was a risk of giving an impression and causing a sense of incongruity.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has the following features: a movable area is relatively moved in a direction opposite to a character moving direction in accordance with a movement of a position of a character with respect to the movable area; and to provide a pseudo-three-dimensional image display equipment to change the amount of movement and the pseudo three-dimensional image display how.

[0007]

The present invention employs the following configuration to solve the above-mentioned problems. That is, the invention according to claim 1 is a pseudo three-dimensional image display device that displays a character moving in a three-dimensional space on a screen in a three-dimensional perspective view from above the character, and displays the character in a longitudinal direction on the screen. And first data storage means for storing movable area data defining a movable area having a predetermined spread in both the width direction and second data storage means for storing character data defining a character movable in the movable area. Means for specifying a position of the character in the movable area based on the movable area data and the character data; and a lateral movement of the position of the character in the movable area, Moving the position of the movable area relative to the screen in a direction opposite to the moving direction of the character; Position is characterized in that a moving means for moving a large position of the moving area as the underlying on screen.

[0008] According to the first aspect of the present invention, first, the specifying means sets the character in the movable area on the basis of the movable area data and the character data stored in the first and second data storage means. Identify the location of Subsequently, the moving means relatively moves the position of the movable area with respect to the screen in the direction opposite to the moving direction of the character in accordance with the lateral movement of the position of the character in the movable area. At this time, the moving means moves the position of the movable area larger as the position of the character is lower on the screen.

According to a second aspect of the present invention, the movable area according to the first aspect has a protruding area protruding from a side edge of the screen, and the moving means moves the character horizontally to the protruding area. By setting the maximum movement amount of the movable area in the case of moving in the direction to be equal to or more than the amount of protrusion from the side edge of the screen of the protrusion area,
It is specified.

[0010] The invention of claim 3 is claim 1 or claim 2.
The character described above is set to be movable in the length direction and the width direction in the movable area, and the specifying means specifies the position of the character in the length direction and the width direction with respect to the movable area, The moving means specifies the character by increasing the amount of movement of the movable area as the position of the character in the length direction with respect to the movable area is lower on the screen.

According to a fourth aspect of the present invention, the position of the character according to any one of the first to third aspects when the character is present on the center axis of the movable area is set to an initial position of the character, and the position of the character is determined by the specifying means. When it is determined that the character has moved to the right from the initial position toward the screen, the moving means relatively moves the movable area to the right toward the screen, and the position of the character is determined by the specifying means. Is specified by moving the movable area to the left relative to the screen when the moving means determines that the mobile area has moved to the left from the initial position toward the screen. The initial position may be on the central axis in the length direction of the movable area. However, when the movable area is set to, for example, a rectangle, the position when the character further touches the bottom of the movable area. Is preferably set as the initial position.

According to a fifth aspect of the present invention, the three-dimensional space according to any one of the first to fourth aspects moves relative to the movable area in the same direction as the movable area in accordance with the movement of the movable area. Thus, the invention of claim 6, which is specified,
What is claimed is: 1. A pseudo three-dimensional image display device for displaying a character moving in a three-dimensional space on a screen in a three-dimensional perspective view from below the character, wherein the pseudo three-dimensional image display device has a predetermined spread in both the length direction and the width direction on the screen. First data storage means for storing movable area data defining a movable area having: a second data storage means for storing character data defining a character movable in the movable area; Specifying means for specifying the position of the character in the movable area based on the character data; and determining the position of the movable area with respect to the screen in accordance with a lateral movement of the position of the character in the movable area. When the character is relatively moved in a direction opposite to the moving direction of the character and the position of the character is higher on the screen, Characterized by comprising a moving means for moving a large position of the moving area.

According to a seventh aspect of the present invention, there is provided a pseudo three-dimensional image display device for displaying a character moving in a three-dimensional space on a screen in a three-dimensional perspective from the right side of the character. First data storage means for storing movable area data defining a movable area having a predetermined spread in both the width direction and the width direction, and a second data storage means for storing character data defining a character movable in the movable area. Data storage means, and identification means for identifying the position of the character in the movable area based on the movable area data and the character data;
In accordance with the vertical movement of the character position in the movable area, the position of the movable area with respect to the screen is relatively moved in a direction opposite to the moving direction of the character, and the position of the character is shifted leftward on the screen. Moving means for moving the position of the movable area to a greater extent.

The invention according to claim 8 is a pseudo three-dimensional image display apparatus for displaying a character moving in a three-dimensional space on a screen in a three-dimensional perspective from the left side of the character. First data storage means for storing movable area data defining a movable area having a predetermined spread in both the width direction and the width direction, and a second data storage means for storing character data defining a character movable in the movable area. Data storage means, and identification means for identifying the position of the character in the movable area based on the movable area data and the character data;
In accordance with the vertical movement of the character in the movable area, the position of the movable area with respect to the screen is relatively moved in a direction opposite to the moving direction of the character,
And moving means for moving the position of the movable area larger as the position of the character is rightward on the screen.

According to a ninth aspect of the present invention, there is provided a pseudo three-dimensional image display method for three-dimensionally obliquely displaying a character moving on a screen in a three-dimensional space from above the character. The movable area data that defines a movable area having a predetermined spread in both the direction and the width direction is read, and character data that defines a character movable in the movable area is read, and the movable area data and the character data are read. The position of the character in the movable area is specified based on the movement of the character in the movable area in the horizontal direction, and the position of the movable area with respect to the screen is reversed from the movement direction of the character. In the direction of movement, and as the position of the character is lower on the screen, the position of the movable area Wherein the greatly moved.

A tenth aspect of the present invention is a pseudo three-dimensional image display method for displaying a three-dimensional perspective view of a character moving on a screen in a three-dimensional space from below the character. The movable area data that defines a movable area having a predetermined spread in both the direction and the width direction is read, and character data that defines a character movable in the movable area is read, and the movable area data and the character data are read. Based on the position of the character in the movable area, and in accordance with the lateral movement of the character in the movable area, the position of the movable area with respect to the screen in the direction opposite to the moving direction of the character. Relative movement, and the position of the movable area increases as the position of the character is higher on the screen. Characterized in that to Ku moved.

An eleventh aspect of the present invention is a pseudo three-dimensional image display method for displaying a character moving in a three-dimensional space on a screen in a three-dimensional perspective from the right side of the character. Reading movable area data defining a movable area having a predetermined spread in both the width direction and the width direction; reading character data defining a character movable within the movable area; reading the movable area data and the character data; Based on the position of the character in the movable area, and in accordance with the vertical movement of the character in the movable area, the position of the movable area with respect to the screen in the direction opposite to the moving direction of the character , And the more the position of the character is on the left side of the screen, the more the position of the movable area Characterized in that to listen moved.

A twelfth aspect of the present invention is a pseudo three-dimensional image display method for stereoscopically displaying the movement of a character in a three-dimensional space on a screen from the left of the character. Reading movable area data defining a movable area having a predetermined spread in both the width direction and the width direction; reading character data defining a character movable within the movable area; reading the movable area data and the character data; Based on the position of the character in the movable area, and in accordance with the vertical movement of the character in the movable area, the position of the movable area with respect to the screen in the direction opposite to the moving direction of the character , And the position of the movable area increases as the position of the character is on the right side of the screen. Characterized in that to listen moved.

[0019]

[0020]

[0021]

[0022]

[0023]

[0024]

Embodiments of the present invention will be described below with reference to the drawings. First, the configuration of a video game machine including the pseudo three-dimensional image display device according to the present invention will be described. FIG. 1 is a block diagram of the video game machine. This video game machine includes an apparatus main body and a controller 21. In addition, a game program
While a CD-ROM 23 as a machine-readable medium recording (computer program) is loaded,
A television monitor 22 is connected.

The apparatus main body includes a CPU 1, a graphics data generation processor 3 directly connected to the CPU 1,
An interface circuit 4, a main memory 5, a ROM 6, a decompression circuit 7, a parallel port 8, a serial port 9, and a drawing processor 10, which are mutually connected to the CPU 1 via a bus (address bus, data bus and control bus) 2. , Audio processor 12, decoder 1
4, an interface circuit 19, a buffer 11 connected to the rendering processor 10, and a buffer 13 and an amplifier 17 connected to the audio processor 12.
, A speaker 18 connected to the amplifier circuit 17, a buffer 15 and a CD-ROM connected to the decoder 14.
It comprises a driver 16 and a memory 20 connected to an interface circuit 19. Controller 2 described above
1 is connected to the interface circuit 19. The above-described television monitor 22 is connected to the drawing processor 10.

Here, the graphics data generation processor 3 functions as a so-called coprocessor of the CPU 1. That is, the graphics data generation processor 3 performs coordinate transformation and light source calculation, for example, calculation of a matrix or vector in a fixed-point format by parallel processing.
The main processing executed by the graphics data generation processor 3 is a processing target based on coordinate data, movement amount data and rotation amount data of each vertex in a two-dimensional or three-dimensional plane of image data supplied from the CPU 1. The processing includes obtaining an address on the display area of the image and returning the address data to the CPU 1 again, and calculating the luminance of the image in accordance with the distance and angle from the virtually set light source.

The interface circuit 4 is an interface circuit for a peripheral device, for example, a pointing device such as a mouse or a trackball. ROM
Reference numeral 6 stores program data as an operation system of the apparatus main body. The main memory 5 is a CD
-A memory in which the game program from the ROM 23 is loaded. Programs and data are appropriately paged from the main memory 5 to the CPU 1 and processed by the CPU 1.

In the expansion circuit 7, MPEG (Moving Pictur)
e Engineering Group) and JPEG (Joint Pincture Engi)
A decompression process is performed on a compressed image that has been compressed by intra-coding conforming to the NNering Group. Decompression processing includes decoding processing (decoding of data encoded by VLC: Valid Length Code), inverse quantization processing, ID
These include CT (Inverse Discrete Cosine Transform) processing, intra-image restoration processing, and the like.

The drawing processor 10 performs drawing processing on the buffer 11 based on a drawing command issued by the CPU 1 and outputs an image drawn in the buffer 11 to the television monitor 22. The buffer 11
It consists of a display area and a non-display area. The display area is an area for developing data displayed on the display surface of the television monitor 22. The non-display area is an area for storing texture data, color pallet data, and the like. Here, the texture data is two-dimensional image data. The color pallet data is data for specifying a color such as texture data. The drawing command issued by the CPU 1 includes, for example, a drawing command for displaying a line, a drawing command for drawing a three-dimensional image using polygons, a drawing command for drawing a normal two-dimensional image, and the like. It is.

The audio processor 12 is a CD-ROM
PCM audio data read from
Convert to data. Also, the audio processor 12
Is output from the speaker 18 as audio.

The CD-ROM driver 16 is a CD-RO
The data such as program data and map information and audio data are read from M23, and the read data is supplied to the decoder 14.

The decoder 14 is a CD-ROM driver 1
ECC (Error Correction)
(n Code), and supplies the error-corrected data to the main memory 5 or the audio processor 12.

The memory 20 is a card type memory,
In order to maintain the state at the time of the game interruption, various parameters at the time of the game interruption are stored. Controller 21
Is a cross key 21g integrating a left key, a right key, an up key, and a down key, a left button 21L and a right button 21R.
, Start button 21a, select button 21b
And first to fourth buttons 21c to 21f. The cross key 21g is a key for the game player to give commands indicating up, down, left, and right to the CPU 1. The start button 21a indicates that the game player
-A key for instructing the CPU 1 to start a game program loaded from the ROM 23. The select button 21 b allows the game player to make various selections regarding the game program loaded on the main memory 5.
These are keys for instructing the CPU 1.

In the above-described CD-ROM 23, a game player operates a fighter (own character) displayed in a pseudo three-dimensional manner in a three-dimensional game space to destroy a fighter or the like (enemy character) appearing in the game space. The game program of the shooting game to be executed and data used for executing the game program are recorded.

When the CD-ROM 23 is loaded into the apparatus main body and the power is turned on, the CPU 1 of the video game machine is turned on.
Reads the game programs and data recorded on the CD-ROM 23 one after another and loads them into the main memory 5. Then, the CPU 1 appropriately executes the game program. Thereby, first, the television monitor 22
Displays a title screen (not shown) of the game. When the start button 21b of the controller 21 is pressed in this state, the screen of the television monitor 22 is switched from the title screen to the game play screen, and the above-described shooting game is executed.

FIG. 2 is a diagram showing a display example of a game play screen displayed on the television monitor 22 by executing the game program. In FIG. 2, the television monitor 22 displays a three-dimensional game space when viewed from a bird's-eye view (when photographed by a virtual camera C1 (see FIG. 3) arranged at a bird's-eye-view position). ing. In this game space, a sea surface 31 is set at a portion corresponding to the ground surface, and a sky 32 is displayed with a horizontal line of the sea surface 31 as a boundary. Above the sea surface 31, a fighter (own character) 30 operable by a game player is displayed in a pseudo three-dimensional manner. The game space (including the own character 30) displayed on the television monitor 22 is displayed in an enlarged manner on the near side in accordance with the perspective view, and is compressed and displayed on the far side.
Further, the self-character 30 displayed on the television monitor 22 is set so as to be forcibly moved along a preset course, and the game space is directed to the near side on the television monitor 22. Is displayed. Thereby, the own character 30
Is displayed flying over the sea surface 31. The own character 30 is set so as to be able to move in the game space forward, backward, left and right by operating the cross key 21g of the controller 21. At this time, the amount of movement of the own character 30 is set to be large on the near side of the game space, and to be smaller toward the far side.

The own character 30 shown in FIG. 2 is set to be movable in a movable area 34 set in the game space. FIG. 3 is a diagram showing the relationship between the game space and the movable area 34. In FIG. 3, the game space is set as a space inside an endless tunnel having a rectangular longitudinal section. The movable area 34 is formed in a rectangular shape,
It is set so as to float in parallel with the bottom surface of the game space, and the sides forming the width direction are set in parallel with the side surfaces of the game space. The own character 30 is set in the movable area 34. Then, behind the own character 30, the own character 30 is displayed.
A virtual camera C1 is set in a state of looking down at. The game space within the shooting range (field of view) of the camera C1 is the game space displayed on the television monitor 22. The self-character 30, the movable area 34, and the camera C1 are set to move toward the back. At this time, the movable area 34 is set so as to move while maintaining a constant distance between both sides and the bottom of the game space. The above-mentioned own character 30, the movable area 34, and the camera C1 have a width (the left-right direction) of the X axis.
The XYZ orthogonal coordinate system is set with the Y axis as the height and the Z axis as the depth. In this coordinate system, the side of the movable area 34 in the width direction on the near side is set along the X axis, the midpoint is set at the origin (0, 0, 0), and the right side on the near side is set. The corner is set to (160,0,0), and the left corner on the near side is set to (-160,0,0). In addition, the intersection between the side forming the width direction on the far side of the movable area 34 and the Z axis is set to (0, 0, -160). Further, the camera C1 is set with the coordinates (0, 128, 64) as the initial position (the position at the time of starting the game). In addition, the own character 30 has the origin (0,
(0, 0) is set as the initial position (the position at the start of the game).

Next, the relationship between the movable area 34 and the game space photographed by the camera C1 will be described. FIG.
The movable area 34 and the display screen 2 of the television monitor 22
It is the figure which showed 2a-22c. In FIG. 4, the camera C1 is set in such a manner that the area on the near side is narrower and the area on the far side is wider. Therefore, the movable area 34 photographed by the camera C1 has a whole shape (trapezoid) when a rectangle is displayed in perspective. Further, the camera C1 is configured such that the side set on the X axis of the movable area 34 is displayed on the display screen 22 of the television monitor 22.
The game space is photographed so as to overlap the bottom sides of the frames a to 22c.

The width of the game space photographed by the camera C1 in the width direction (the width of the display screens 22a to 22c of the television monitor 22 in the width direction) is set shorter than the width of the movable area 34 in the width direction. The camera C1 is set so that only a part of the movable area 34 enters the photographing range (field of view) of the camera C1. Here, when the camera C1 is set at the initial position, the movable area 34 in the range surrounded by the display screen 22a is set in the field of view of the camera C1. The right-angled triangular areas protruding from the frames on both sides of the display screen 22a correspond to the protruding areas protruding from the side edges of the screen of the present invention.

Then, the camera C1 transmits the character 30
Is set to move in the ± X direction according to the position of the movable area 34 with respect to the movable area 34. Thereby, the camera C1
However, it is set such that the movable area 34 outside the field of view at the initial position is taken into the field of view, and the own character 30 is prevented from jumping out of the display screens 22a to 22c.

By the movement of the camera C1, the television monitor 22 displays on the television monitor 22 a manner in which the game space displayed on the display screens 22a to 22c moves in the width direction (left-right direction) according to the position of the character 30. Is displayed. That is, when the player character 30 is at the initial position,
On the television monitor 22, a game space in a range surrounded by a frame of the display screen 22a is displayed. When the player character 30 moves rightward from the initial position,
The camera C1 moves in the + X direction, and the television monitor 2
2 and the movable area 34 relatively move leftward. On the other hand, when the player character 30 moves leftward from the initial position, the camera C1
, And the game space displayed on the television monitor 22 and the movable area 34 relatively move rightward.

At this time, when the game space moves to the left in the maximum direction, the game space surrounded by the frame of the display screen 22b is displayed on the television monitor 22, and the vertices (160, 160) of the movable area 34 are displayed. (0,0) enters the field of view of the camera C1. On the other hand, when the game space has moved to the right in the maximum direction, the game space surrounded by the frame of the display screen 22c is displayed on the television monitor 22, and the vertex (-160, 0) of the movable area 34 is displayed. , 0) enter the field of view of the camera C1. The side forming the front side and the side forming the back side of the movable area 34 are displayed on the display screen 22a.
22c, the camera C1 is set to enter the field of view so as to always maintain a constant vertical position, and moves relatively to the game space.

Next, the movement of the camera C1 will be described. The camera C1 follows its own X-coordinate value calculated according to the X-coordinate and Z-coordinate values of the character 30.
It is set to shift from the initial position. Specifically, the values of the X coordinate and the Z coordinate of the own character 30 are set as follows.
A value corresponding to the displacement of the camera C1 obtained by substituting into (Equation 1) is set as the X coordinate of the camera C1.

The amount of displacement = (X ÷ 2) / (1− (Z ÷ 40)) (Equation 1) According to this (Equation 1), the amount of displacement of the camera C1 is such that the own character 30 is in the near side. The position is set so as to be larger as it is located, and to be smaller as the own character 30 goes to the back side. That is, the value of the Z coordinate of the own character 30 is Z = 0.
In the case of, the amount of displacement = (X ÷ 2). That is, when the own character 30 is located at the foremost side, one half of the movement amount in the width direction (movement amount in the ± X direction) of the own character 30 is the displacement amount of the camera C1. On the other hand, when the value of the Z coordinate of the own character 30 is Z = −160, the displacement = (X ÷ 2) / 5. That is, when the player character 30 is located at the farthest side, one-tenth of the movement amount in the width direction (movement amount in the ± X direction) of the player character 30 is the camera C.
The amount of displacement is 1. The amount of displacement is one fifth of the case where the player character 30 is located closest to the user.

The moving direction of the camera C1 is the initial position (X =
0) is determined by the value of the amount of displacement with reference to 0). That is, when the value of the calculated shift amount is larger than the value of the previously calculated shift amount, the camera C1 moves rightward (+ X
Direction). On the other hand, if the calculated displacement value is smaller than the previously calculated displacement value,
The camera C1 moves to the left (−X direction). When the camera C1 is located to the left from the initial position, the sign of the displacement amount is negative.

Next, an example of a game space displayed on the television monitor 22 which moves according to the movement of the camera C1 will be described. 5 and 6 are diagrams showing examples of relative movement between the game space displayed on the television monitor 22 and the display screen 22. FIG. For example, when the player character 30 at the initial position is moved rightward with respect to the game space as shown in FIG. 5, the camera C1 also moves in the game space in accordance with the movement of the player character 30. Move to the right. As a result, the game space displayed on the television monitor 22 (the game space captured by the camera C1) relatively moves leftward, and accordingly, the movable area 34 also relatively moves leftward. When the player character 30 is positioned at the right corner on the near side of the movable area 34, the camera C1 moves rightward to a position where the right corner on the near side can be imaged. The game space in the range surrounded by the frame of the display screen 22b is displayed.

Subsequently, as shown in FIG. 6, the player character 30 located at the right corner on the near side is moved forward (backward).
When the player character 30 is moved to, the own character 30 moves to the far side of the game space along the side forming the depth direction on the right side of the movable area 34. Accordingly, the displacement of the camera C1 becomes smaller than the value when the player character 30 is located at the front right corner of the movable area 34. Therefore, the camera C1 moves to the left. by this,
The game space displayed on the television monitor 22 relatively moves rightward. Along with this, the movable area 34 also relatively moves rightward. And the own character 30
Is positioned at the far right corner of the movable area 34, the camera C1 moves to the left such that the far right corner does not deviate from the shooting range. A game space in a range surrounded by a frame 22a is displayed. Therefore, the game player:
It appears that the player character 30 moves from the lower right corner of the display screen 22a to the far side of the game screen along the right frame of the display screen 22a.

On the other hand, when the own character 30 is moved from the initial position to the left corner on the near side of the movable area 34, the camera C1 moves to the left, and the television monitor 22 displays a frame of the display screen 22c. The game space in the range surrounded by is displayed (see FIG. 3). Then, own character 3
0 is moved to the far left corner, camera C
1 moves rightward, and the television monitor 22 displays a game space in a range surrounded by a frame of the display screen 22a. Therefore, the game player is given the character 30
Appears to move from the lower left corner of the display screen 22a of the television monitor 22 to the far side of the game space along the left frame of the display screen 22a.

Therefore, the game player is provided with the moving range of the character 30 in the width direction.
Is given to the display screen 22a. The data of the game space, the movable area 34, the own character 30, and the camera C1 are stored in the CD-ROM 23 when the power is turned on to the video game machine.
To the main memory 5 and appropriately used when executing the game program (corresponding to first and second data storage means).

Next, display processing of the self-character 30 by the video game machine will be described. FIG. 7 is a flowchart illustrating a display process of the own character 30. This display process is started when a game play screen is displayed on the television monitor 22 and the game starts (the player character 30 becomes operable).

In S01, the X coordinate and the Z coordinate of the own character 30 are calculated based on the data of the movable area 34 stored in the main memory 5 and the data of the own character 30 (corresponding to the specifying means). Then, the process proceeds to S02.

In S02, the values of the X coordinate and the Z coordinate of the own character 30 obtained in S01 are calculated according to the above-described equation for calculating the amount of displacement.
The displacement of the camera C1 is calculated by substituting it into (Equation 1).
Then, the process proceeds to S03.

In S03, the position of the camera C1 is changed based on the displacement obtained in S02. Then, the process proceeds to S04. The processing of S02 and S03 corresponds to the moving means of the present invention.

In S04, a drawing process of the game space when the camera C1 whose position has been changed in S03 is taken is performed. That is, the game space photographed by the camera C1 after the position change (including the own character 30).
Is generated by the graphics data generation processor 3 and supplied to the drawing processor 10. Then, the drawing processor 10 outputs the supplied image data to the television monitor 22. Thereby, the game space moved according to the movement of the own character 30 and the own character 30 are displayed on the television monitor 22 (see FIG. 2). At this time, the movable area 34 is not displayed on the display screen, but the range within the field of view of the camera C1 is changed by the movement of the camera C1 in the X-axis direction, so that the game space displayed on the television monitor 22 is changed. The movable area 34 in the inside is relatively moved in the lateral direction. When the processing of S04 ends, the display processing of the own character 30 ends, and the processing returns to S01.

The display processing of the own character 30 is 60
It is set to run in terms of one-second seconds,
The processing is repeatedly executed until the game play screen displayed on the television monitor 22 is switched to another screen (a screen in which the own character 30 is not displayed).

According to the present embodiment, the camera C1 for photographing the game space is set to move in the left-right direction (± X direction) according to the position (X coordinate and Z coordinate) of the own character 30. . Thereby, the game space displayed on the television monitor 22 relatively moves in the horizontal direction.
Along with this, the movable area 34 fixedly set with respect to the game space also moves relatively in the lateral direction. Therefore, when the player character 30 moves to the far side along the right side of the movable area 34 in the depth direction, the game space moves to the center line (−Z axis) side of the movable area 34. .

As a result, even if the movable area 34 is set in a rectangular shape, there is almost no area on the left and right sides of the game space displayed on the television monitor 22 where the player character 30 cannot move as in the conventional case ( 2 and 6). Therefore, the player character 3 is presented to the game player.
It is possible to give an impression that the moving range in the left-right direction of 0 is not different between the near side and the far side of the game space (the movable area 34 has a substantially constant width with respect to the display screen of the television monitor 22), It is possible to avoid occurrence of discomfort.

In the present embodiment, when the player character 30 moves in the three-dimensional space in a three-dimensional perspective view from above the player character (photographed by the camera C1 installed at a bird's-eye position). In the case), the movable area 34 is moved in the direction opposite to the moving direction of the own character 30 in accordance with the left and right movement of the position of the own character 30, and the own character 30 is located below the display screen 22a.
A case has been described where the movable area 34 is moved to a greater extent (beside the side closer to the movable area 34), but the pseudo three-dimensional image display device according to the present invention uses the character to move in the three-dimensional space. When the character is displayed three-dimensionally from below, the movable area is moved in the direction opposite to the moving direction of the character in accordance with the horizontal movement of the position of the character, and the movable area is increased as the character is higher on the screen. It may be one that moves a lot. Further, the pseudo three-dimensional image display device according to the present invention includes:
In a case where the state of the character moving in the three-dimensional space is stereoscopically displayed from the right side of the character, the movable area is moved in a direction opposite to the moving direction of the character in accordance with the vertical movement of the character, and The movable area may be moved to a greater extent as the character is further to the left of the screen. Furthermore, the pseudo three-dimensional image display device according to the present invention, when displaying a three-dimensional perspective of the character moving in the three-dimensional space from the left side of the character, sets the movable area according to the vertical movement of the character. May be moved in the opposite direction to the moving direction of the character, and the movable area may be moved to a greater extent as the character is on the right side of the screen.

In this embodiment, the case where the movable area 34 is rectangular has been described.
Can be appropriately set, for example, such as triangle, square, parallelogram, trapezoid, rhombus, and other quadrangles, polygons, circles, ellipses, and sectors. Further, the movable area 34 does not need to be flat, and may be set to a curved surface such as a convex curved surface, a concave curved surface, or a spherical surface. The case where the movable area 34 has the protruding area has been described.
4 does not need to have a protruding area.

The implementation of the pseudo three-dimensional image display device according to the present invention is not limited to a video game machine that executes a shooting game, but executes, for example, an action game, a role playing game, an adventure game, a puzzle game, a fighting game, and the like. It is also possible to implement the present invention for a video game machine or the like.

[0061]

According to the present invention pseudo three-dimensional image display instrumentation by 置及
According to beauty pseudo 3-dimensional image display how, with relatively moving the movable area in the character moving direction opposite to the direction in response to movement of the position relative to the movable area of the character, the amount of movement of the moving area according to the position of the character Can be shifted.

Therefore, for example, for a game player,
It is possible to give an impression that the movable range of the own character in the left-right direction does not change from the near side to the far side of the game screen, and it is possible to avoid occurrence of a sense of discomfort.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a video game machine equipped with a pseudo three-dimensional image display device according to an embodiment of the present invention.

FIG. 2 is a diagram showing a display example of a game play screen.

FIG. 3 is an explanatory diagram of a movable area and a display screen of a television monitor.

FIG. 4 is a diagram showing a setting example of a movable area and a camera.

FIG. 5 is a diagram showing a movement example of a game screen.

FIG. 6 is a diagram showing a movement example of a game screen.

FIG. 7 is a flowchart showing a display process of the own character.

FIG. 8 is a diagram showing a game screen of a two-dimensional shooting game.

FIG. 9 is a diagram showing a game screen of a three-dimensional shooting game;

FIG. 10 is a diagram showing a conventional problem.

[Explanation of symbols]

 C1 camera 1 CPU 5 main memory 3 graphic data generation processor 10 drawing processor 22 television monitor 22a, 22b, 22c display screen 23 CD-ROM 30 own character 34 movable area

Claims (12)

(57) [Claims] 1. A pseudo three-dimensional image display device for stereoscopically displaying the movement of a character in a three-dimensional space on a screen from above the character, wherein the three-dimensional image display device is arranged on the screen in a length direction and a width direction. First data storage means for holding movable area data defining a movable area having a predetermined extent on both sides; second data storage means for holding character data defining a character movable in the movable area; Specifying means for specifying the position of the character in the movable area based on the movable area data and the character data; and determining the position of the character in the movable area in a horizontal direction with respect to the screen. The position of the movable area is relatively moved in the direction opposite to the moving direction of the character, and the position of the character is displayed on the screen. A pseudo-three-dimensional image display device, comprising: moving means for moving the position of the movable area larger as it goes upward and downward. 2. The moving area has a protruding area that protrudes from a side edge of the screen, and the moving means moves the movable area when the position of the character moves laterally toward the protruding area. 2. The pseudo three-dimensional image display device according to claim 1, wherein the maximum moving amount is set to be equal to or more than the amount of the protruding area protruding from a side edge of the screen. 3. The character is set so as to be movable in the length direction and the width direction in the movable area, and the specifying means determines the position of the character in the length direction and the width direction with respect to the movable area. 3. The moving means according to claim 1, wherein the moving means increases the moving amount of the movable area as the position of the character in the length direction with respect to the movable area is lower on the screen. Pseudo three-dimensional image display device. 4. A position when the character is located on a center axis of the movable area is set to an initial position of the character, and the position of the character is shifted rightward from the initial position toward the screen by the specifying means. When it is specified that the character has moved, the moving means relatively moves the movable area rightward toward the screen, and the position of the character is shifted leftward from the initial position toward the screen by the specifying means. The pseudo three-dimensional image display according to any one of claims 1 to 3, wherein when it is determined that the moving area has been moved, the moving unit relatively moves the movable area to the left toward the screen. apparatus. 5. The character according to claim 1, wherein the three-dimensional space moves in the same direction as the moving area along with the moving of the movable area. Display device. 6. A pseudo three-dimensional image display device for displaying a character moving in a three-dimensional space on a screen in a three-dimensional perspective view from below the character, wherein the three-dimensional image display device is arranged on the screen in a length direction and a width direction. First data storage means for holding movable area data defining a movable area having a predetermined extent on both sides; second data storage means for holding character data defining a character movable in the movable area; Specifying means for specifying the position of the character in the movable area based on the movable area data and the character data; and determining the position of the character in the movable area in a horizontal direction with respect to the screen. The position of the movable area is relatively moved in the direction opposite to the moving direction of the character, and the position of the character is displayed on the screen. A pseudo-three-dimensional image display device, comprising: moving means for moving the position of the movable area larger as the position is higher. 7. A pseudo three-dimensional image display device for stereoscopically displaying the movement of a character in a three-dimensional space on a screen from the right side of the character, wherein a length direction and a width direction are displayed on the screen. A first data storage unit holding movable area data defining a movable area having a predetermined spread in both of the first and second data storage units holding character data defining a character movable in the movable area; Specifying means for specifying the position of the character in the movable area based on the movable area data and the character data; and determining the position of the character in the movable area in the vertical direction with respect to the screen. The position of the movable area is relatively moved in the direction opposite to the moving direction of the character, and the position of the character is displayed on the screen. A pseudo-three-dimensional image display device, comprising: moving means for moving the position of the movable area to a greater extent toward the left on the upper side. 8. A pseudo three-dimensional image display device for displaying a character moving in a three-dimensional space on a screen in a three-dimensional perspective view from the left side of the character, wherein a length direction and a width direction are displayed on the screen. A first data storage unit holding movable area data defining a movable area having a predetermined spread in both of the first and second data storage units holding character data defining a character movable in the movable area; Specifying means for specifying the position of the character in the movable area based on the movable area data and the character data; and moving the character relative to the screen in accordance with the vertical movement of the character in the movable area. Relatively moving the position of the area in the direction opposite to the moving direction of the character,
And a moving means for moving the position of the movable area larger as the position of the character is rightward on the screen. 9. A pseudo three-dimensional image display method for displaying a character moving in a three-dimensional space on a screen in a three-dimensional perspective from above the character, the method comprising: displaying a character in a length direction and a width direction on the screen. Reading movable area data defining a movable area having a predetermined extent on both sides; reading character data defining a character movable in the movable area; reading the movable area data based on the movable area data and the character data; Specifying the position of the character in an area, and moving the position of the movable area relative to the screen in a direction opposite to the moving direction of the character in accordance with a lateral movement of the position of the character in the movable area. And, the position of the movable area is largely moved as the position of the character is lower on the screen. A pseudo three-dimensional image display method. 10. A pseudo three-dimensional image display method for displaying a character moving three-dimensionally in a three-dimensional space on a screen from below the character in a three-dimensional perspective. Reading movable area data defining a movable area having a predetermined extent on both sides; reading character data defining a character movable in the movable area; reading the movable area data based on the movable area data and the character data; Specifying the position of the character in the area, and moving the position of the movable area relative to the screen in the direction opposite to the moving direction of the character in accordance with the lateral movement of the character in the movable area; and The more the position of the character is on the screen, the more the position of the movable area can be moved. And a pseudo three-dimensional image display method. 11. A pseudo three-dimensional image display method for stereoscopically displaying the movement of a character in a three-dimensional space on a screen from the right side of the character, the method comprising the steps of: Reading out movable area data defining a movable area having a predetermined spread in both of the above; reading out character data defining a character movable in the movable area; based on the movable area data and the character data, Identifying the position of the character in the movable area, and moving the position of the movable area relative to the screen in the direction opposite to the moving direction of the character in accordance with the vertical movement of the character in the movable area,
A pseudo three-dimensional image display method, wherein the position of the movable area is moved to a greater extent as the position of the character is further to the left on the screen. 12. A pseudo three-dimensional image display method for displaying a character moving in a three-dimensional space on a screen in a three-dimensional perspective from the left side of the character, wherein a length direction and a width direction are displayed on the screen. Reading out movable area data defining a movable area having a predetermined spread in both of the above; reading out character data defining a character movable in the movable area; based on the movable area data and the character data, Identifying the position of the character in the movable area, and moving the position of the movable area relative to the screen in the direction opposite to the moving direction of the character in accordance with the vertical movement of the character in the movable area,
A pseudo-three-dimensional image display method, wherein the position of the movable area is largely moved as the position of the character is rightward on the screen.