JP2000070551A - Video game device and recording medium stored with program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operability of a character machine in a shooting game and to provide techniques capable of playing without being bored. SOLUTION: The direction of aiming at an enemy character machine 73 from a player character machine 71 and a relative angle γ with a gun angle βof the player character machine are detected and the gun of the player character machine 71 is turned in a certain direction so as to decrease the relative angle. Besides, when a distance L between the player character machine 71 and an enemy character machine 72 is short, a gun turning angular velocity θis decelerated rather than a moving angular velocity ϕ of the enemy character machine 72.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique effective when applied to a video game, in particular, a gun turning control in a shooting game using a moving body equipped with a turnable gun.

[0002]

2. Description of the Related Art In a shooting game of this kind, a player generally operates a player character machine to display an action such as bombarding an enemy character machine.

[0003] For example, an operation of bombardment is performed by operating a push button for inputting a traveling direction, following a moving enemy character machine by the player character machine, entering a range and in a direction of the enemy character machine. When the button is pressed in this state, the gunfire is displayed.

[0004]

However, when the gun mounted on the player character machine is capable of turning, the player character machine itself does not necessarily need to face the direction of the enemy character machine. Turning in this direction can be beneficial for firing. For this reason, the operation of the player character machine requires turning of the gun in addition to movement and bombardment, and the operation is complicated.

[0005] The present invention has been made in view of the above points, and it is an object of the present invention to provide a technique for improving the operability of a character machine in a shooting game and enabling the player to play without getting bored.

[0006]

A first means of the present invention is as follows.
In a video game apparatus in which a player character machine provided with a swivel gun and an enemy character machine are moved and displayed on a display means to perform a match, the coordinate value of the player character machine and the coordinate value of the enemy character machine are recognized. Relative angle detecting means for detecting a relative angle between a direction in which the player character machine faces the enemy character machine and a bombardment direction of the gun of the player character machine; and This is a video game device provided with gun turning display control means for turning and displaying a gun.

The display means means a display device such as a CRT or a liquid crystal display. A swivelable gun is
The character means a gun attached to the turning turret, and the player character machine means a character machine operated by the player and operated on the display means. The player character machine provided with the swivel gun refers to a tank, a battleship, a bomber, and the like. To move and display the player character machine means to move to a range in order to bombard the enemy character machine, to move out of range of the enemy character machine to avoid enemy bombardment, and the like. If the enemy character is not in the firing direction of the player character's gun when the enemy character is moved to the range to fire the enemy character, the relative direction between the direction facing the enemy character and the firing direction of the player character's gun The angle is detected and the gun is always turned in the direction of the enemy character machine.

Thus, the gun can always catch the enemy character machine only by moving the player character machine within the range of the enemy character machine in order to fire.

In a second aspect of the present invention, in the first aspect, the gun turning display control means is arranged such that the player character machine and the enemy character machine are at a short distance, and the enemy character machine is in the relative position. The angular velocity of the gun turning display is set to be equal to or less than the angular velocity of the relative angle while moving in the direction in which the angle increases.

That is, when the enemy character machine is at a long distance, even if it is captured by the gun of the player character machine and fired, it takes a long time to land, so that the enemy character can easily avoid the fire, and can be hit until the shot is hit. The match continues and there is fun as a game. However, when the player is at a short distance, the time until landing is short, and it is difficult to avoid shelling due to the movement, so that the player can easily hit the target and lose interest in the game. For this reason, the relationship between the moving speed of the character machine and the gun turning speed is set so that a shot is not easily hit at a short distance.

[0011] A third means of the present invention is the first means, wherein: the timekeeping means for starting timekeeping upon the start of the match; the match end determining means for determining the end of the match;
Gun turning angular velocity changing means for changing the angular velocity of the gun turning display, wherein the gun turning angular velocity changing means is timed by the timing means at the time when the battle end judging means judges that the battle has ended. The time is read to change the angular velocity of the gun turning display.

That is, the time required until the end of the battle is measured, and if the time is shorter than the set value, the angular velocity of the gun turning display is reduced. This makes it difficult for the player character machine to hit the shell easily, thereby preventing a player who is accustomed to the game from finishing the attack in a short time and feeling unsatisfactory.

According to a fourth aspect of the present invention, there is provided a recording medium storing a program for moving and displaying a player character machine provided with a swivel gun and an enemy character machine on a display means and performing a battle. A relative angle detecting step of recognizing a coordinate value of a character machine and a coordinate value of the enemy character machine and detecting a relative angle between a direction in which the player character machine faces the enemy character machine and a firing direction of a gun of the player character machine. And a gun turning display control step of turning and displaying the gun of the player character machine in a direction of decreasing the relative angle.

As the recording medium, any recording medium such as a CD-ROM, a game cartridge, a memory card, a floppy disk, a magnetic disk, and a magneto-optical disk can be used. A CD-ROM and a game cartridge.

[0015]

Embodiments of the present invention will be described with reference to the drawings.

[0016]

FIG. 1 shows a state in which a video game apparatus according to the present invention is connected to a video display apparatus 4 (hereinafter, simply referred to as "display 4").

The game machine main unit 1 is connected to a controller 3 as an external input device, and further has a CD-ROM (Co) (not shown) under the cover 2 of the CD-ROM drive.
mcomp disc-ROM) is provided, and provides a game program and game data.

The display 4 is for providing a display symbol outputted from the game machine main body 1 as a display image, and the speaker 5 is for providing a voice symbol to the player as voice. A general household television receiver is used. Can be.

The controller 3 has various operation buttons. A direction key 6 is provided on the left side of the controller 3 when viewed from the plane. On the other hand, on the right side of the controller, a circle button 7, a cross button 8, a square button 9, and a triangle button 10 are arranged. Furthermore, a start button 11 and a select button 1
2 are provided.

FIG. 2 is a hardware block diagram mainly showing the game machine 1. CPU for bus 20
(Central Processing Unit)
21, DRAM (Dynamic Random Ac)
cess Memory) 22, MDEC23, GPU
(Graphic Processing Unit)
24 and the like are connected to each other. The CPU 21 has a GTE (Geometric Transfer En).
Gine) 25 is connected.

The MDEC 23 is a processor for reproducing moving images, and develops moving images read from a CD-ROM. The GTE 25 is a processor dedicated to graphics, and is composed of a plurality of arithmetic units that perform parallel processing.
The image data developed by the MDEC 23 is subjected to coordinate conversion, rendering, and the like by parallel processing. In addition, CPU
A clock 21 generates a clock pulse.

The GPU 24 is a processor dedicated to graphics, like the GTE 25, and is responsible for actual drawing such as shading, texture mapping, and raster processing based on the data subjected to coordinate conversion by the GTE 25. The image data obtained as a result is stored in the VRA as a buffer.
The data is sent to an expansion device 27 via an M (Video RAM) 26. The expansion device 27 expands the image data and performs digital-to-analog conversion. The image signal obtained as a result is output as RGB (Red, Green, Blue) signals, and is input to the NTSC encoder 28 as an NTSC video signal. Is output.

A ROM 29 in which a boot program is stored is connected to the bus 20.
0 is CD-DSP (CD-Digital Signa)
lProcessor) 31, CD-ROM decoder 3
2 are connected.

The CD-DSP 31 performs noise filtering. An SRAM (Static RAM) 33 as a buffer and a mechanical controller 34 are connected to the CD-ROM decoder 32, and the decoded image data is sent to the bus 20 and the audio data is sent to the SP.
U (Sound Processing Unit) 3
5 The SPU 35 is a processor in charge of audio processing, and the DRAM 3 as a connected buffer.
6, the audio data decoded by the CD-ROM decoder 32 is decoded, and the audio data obtained as a result is converted into a DAC (Digital Analog Converter).
ter) 37 to perform digital-to-analog conversion and send it out as audio output.

An SIO (Serial) for enabling data to be transmitted bidirectionally with the controller 3 is provided on the bus 20.
l I / O Interface) 38 is connected.

FIG. 3 is a functional block diagram of the present embodiment. The battle mode selection unit 41 receives the input from the controller 3 and selects a battle mode. The enemy character machine (hereinafter simply referred to as “enemy machine”) display control unit 42
The enemy aircraft is moved and displayed above, and the enemy aircraft coordinate detection unit 43 detects the displayed coordinates of the enemy aircraft.

A display control section 44 of a player character machine (hereinafter simply referred to as a "player machine") receives an input from the controller 3 to move and display the player machine on a display 4, and a player machine coordinate detecting section 45 displays the player machine. Detects the coordinates of the player machine. Further, the player machine gun angle detection unit 46 detects a gun angle (β shown in FIG. 6) with respect to the moving direction (α shown in FIG. 6) of the player machine.

The relative angle detector 47 is provided by the enemy machine coordinate detector 4.
3, the coordinates of the player machine detected by the player machine coordinate detecting unit 45, and the swiveled gun angle detected by the player machine gun angle detecting unit 46, the enemy machine facing the player machine is detected. The relative angle between the direction and the gun angle (γ shown in FIG. 6) is detected. Gun turning display 4
8 turns and displays the gun of the player machine in a direction to decrease the relative angle detected by the relative angle detection unit 47. The battle display section 49 performs battle display, and the battle end determination section 50 determines the end of the battle. Since the match display section 49 and the match end determination section 50 are not the gist of the present invention, the details are omitted.

Steps 101 to 114 in FIG. 4 and FIG. 5 show this in a flowchart.

That is, the battle mode selection section 41 receives the depression of the select button 12 of the controller 3 (step 101), and selects the battle mode (102). By selecting the battle mode, the enemy aircraft display control unit 42
An enemy aircraft movement display is performed on the top (103), and the enemy aircraft coordinate detection unit 4
3 reads the coordinates after the movement (104). On the other hand, the player device display control unit 44
Is pressed (105), the movement of the player machine is displayed on the display 4 (106), the player machine coordinate detector 45 reads the coordinates after the movement (107), and the player machine gun angle detector 46. Reads the player machine movement direction α (108), and reads the gun angle β of the player machine (109). The relative angle detector 47 calculates the coordinates of the enemy aircraft,
The relative angle γ is detected from the coordinates of the player machine, the moving direction α of the player machine and the gun angle β of the player machine (110),
When the relative angle is greater than 0 degrees (111), the gun turning display control unit 48 turns and displays the gun in a direction to reduce the relative angle γ (112). The battle display unit 49 performs battle display (113), and the battle end determination unit 50 determines the end of the battle (114).

As described above, according to the present embodiment,
The above series of displays is "movement of enemy aircraft and player aircraft"
→ Displayed as "Player's gun turns in the direction of enemy aircraft", the player does not need to turn the gun if he only moves the character machine, making it easier to fire with moving objects and increasing interest in shooting games can do.

[0032]

Second Embodiment In the first embodiment, the relative angle is detected from the direction in which the player aircraft faces the enemy aircraft and the gun angle of the player aircraft, and the gun is turned in the direction of the enemy aircraft. When facing, if the player machine and the enemy machine are close, the shelling is likely to hit and the interest in the game is reduced.

In this embodiment, in a state where the distance between the enemy aircraft and the player aircraft (L in FIG. 6; hereinafter, simply referred to as "distance") is short, the direction perpendicular to the straight line connecting the player aircraft and the enemy aircraft is considered. From the moving speed of the enemy aircraft (v shown in FIG. 6 and hereinafter simply referred to as “moving speed”) and the distance L described above, the moving angular velocity of the enemy aircraft (ψ shown in FIG. 6, where ψ = v / L) Hereinafter, simply referred to as “moving angular velocity”), the relationship between the moving angular velocity of the enemy aircraft and the angular velocity of the gun turning display of the player aircraft (θ shown in FIG. 6 and hereinafter simply referred to as “gun turning angular velocity”) is expressed by: This has been solved by setting the gun turning angular velocity θ <the moving angular velocity よ う so that the relative angle γ does not become small. That is, in the functional block diagram of FIG. 3, the relative speed detecting unit 47 obtains the distance L and the moving speed v between the above-mentioned enemy aircraft and the player aircraft, and the player aircraft turret turning display unit 48 displays the gun turning angular velocity θ <moving. It is displayed so that it becomes angular velocity ψ.

The above processing corresponds to step 2 in the flowchart of FIG.
This is realized by adding 01, 202, 203 and 204. That is, the relative angle detector 47 detects the distance L and the moving speed v to determine the moving angular speed ψ (201),
When the distance L is small, the gun turning display control unit 48 (20
2) When the gun turning angular velocity θ ≧ the moving angular velocity ψ, (20
3) Set the gun turning angular velocity θ <the moving angular velocity （(20)
4).

As described above, according to the present embodiment, even if the enemy aircraft is at a short distance, it is possible to easily enjoy the battle by the movement and the bombardment without hitting the bombardment.

[0036]

Third Embodiment In the second embodiment, the relationship between the gun turning angular velocity θ and the moving angular velocity 設定 is set as the gun turning angular velocity θ <the moving angular velocity に when the player aircraft and the enemy aircraft are close to each other.
When the player becomes accustomed to the operation of the player's aircraft, the gunfire can easily hit the enemy aircraft soon, and becomes unsatisfactory.

In this embodiment, this problem is solved by measuring the battle time and changing the gun turning angular velocity θ. That is, FIG.
In the functional block diagram of FIG. 7, when a battle is selected by the battle mode selection unit 41, the timer of the timer unit 61 is started. The gun turning angle changing unit 62 reads the timekeeping time from the timekeeping unit 51 when the battle end determination unit 50 determines that the player machine has won at the end of the battle, and if the measured time is smaller than the set value, Decrease the gun turning angular velocity θ.

This processing can be realized by adding steps 301, 302, 303, 304 and 305 to the flow charts of FIGS. That is, when the battle mode is selected by the battle mode selection unit 41 (step 10).
2), the timer of the timer 51 is started (301). At the end of the match (114) at the end of the match (114), when the player's victory is determined (302), the gun turning angular velocity change unit 62 reads the time value of the timekeeping unit 61 (303), and the timekeeping value T becomes the set value. If it is smaller than (304), the angular velocity θ of the gun turning display is reduced (305).

As described above, according to the present embodiment, by adjusting the difficulty level of the battle based on the time required for the battle, the player who has mastered the operation can continue to enjoy the game.

In this embodiment, the difficulty level is adjusted based on the time required for the battle, but may be adjusted based on the number of shells required for the battle.

[0041]

According to the present invention, it is possible to improve the operability of a character machine in a shooting game and to provide a technique that allows the character to play without getting tired.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a state in which a video game device of the present invention is connected to a video display device.

FIG. 2 is a block diagram showing a hardware configuration centered on a game machine main body.

FIG. 3 is a functional block diagram for explaining the embodiment;

FIG. 4 is a flowchart for explaining an embodiment.

FIG. 5 is a flowchart for explaining an embodiment.

FIG. 6 is an explanatory diagram for explaining gun turning control;

[Explanation of symbols]

 1 Game Console 2 CD-ROM Drive Cover 3 Controller 4 Display 5 Speaker 6 Directional Key 7 ○ Button 8 × Button 9 □ Button 10 △ Button 11 Select Button 12 Start Button 71 Player Character Machine 72 Player Character Machine Movement Direction 73 Enemy Character machine 74 Moving direction of enemy character machine

Claims (4)

[Claims] 1. A video game apparatus in which a player character machine provided with a swivel gun and an enemy character machine are moved and displayed on a display means to play a match, wherein the coordinate value of the player character machine and the coordinates of the enemy character machine Relative angle detecting means for recognizing the value and detecting a relative angle between a direction in which the player character machine faces the enemy character machine and a firing direction of a gun of the player character machine, and a direction in which the relative angle is reduced. A video game device comprising: gun turning display control means for turning and displaying the gun of the player character machine. 2. The gun turning display control means, wherein the player character machine and the enemy character machine are at a short distance,
The angular velocity of the gun turning display is set to be equal to or less than the angular velocity of the relative angle in a state where the enemy character machine moves in a direction in which the relative angle increases.
The video game device according to the above. 3. A timing measuring means for starting timing at the start of the battle, a battle end determining means for determining the end of the battle, and a gun turning angular velocity changing means for changing an angular velocity of the gun turning display. Wherein the gun turning angular velocity changing means reads the time counted by the timing means at the time when the battle end judging means judges that the battle has ended, and changes the angular velocity of the gun turning display. The video game device according to claim 2. 4. A player character machine provided with a swivel gun and an enemy character machine are moved and displayed on a display means,
In a recording medium storing a program for causing a battle, a coordinate value of the player character machine and a coordinate value of the enemy character machine are recognized, and a direction in which the player character machine faces the enemy character machine and a direction of the player character machine are recognized. A recording storing a program including a relative angle detecting step of detecting a relative angle of a gun with a firing direction, and a gun turning display control step of turning and displaying the gun of the player character machine in a direction to decrease the relative angle. Medium.