JP7345618B2 - Program, game device and game control method - Google Patents

Description

The present invention relates to a program and a game device.

2. Description of the Related Art Conventionally, there has been known a game in which the player defends a castle by defeating computer-controlled enemy characters that appear intermittently and advance toward a castle of one's own army, which is a defense base (for example, Patent Document 1).

JP2015-8966A

In the above-mentioned games, the player has no choice but to place the player character (his/her own character) near the advancing route of the enemy character, which lacks strategy.

The present invention has been made in view of the above-mentioned problems, and its purpose is to provide a program and a game device that can enhance the strategic nature of a game.

(1) The present invention includes a field forming unit that updates a game field in the virtual space by arranging or removing an object in the virtual space that is selected from a plurality of types of objects according to input by a player; an appearance point setting unit that sets a position or area as an appearance point of an enemy character in the virtual space according to the game field after a game using the game field is started; a progress route calculation unit that calculates the progress route of the enemy character to the character's goal; a display control unit that displays the progress route on a game screen; and a display control unit that displays the progress route of the enemy character from the appearance point to the goal. The computer is caused to function as a game control unit that controls a game in which the player character moves along a route and competes with the enemy character, and the field forming unit is arranged in the virtual space in response to input from the player. The present invention relates to a program characterized in that the arrangement position of a target object that is a target is changed, and the progress route calculation unit recalculates the progress route when the arrangement position of the target object is changed. The present invention also relates to a computer-readable information storage medium that stores a program for causing a computer to function as each of the above sections. The present invention also relates to a game device including the above-mentioned parts.

According to the present invention, the enemy character's appearance point changes according to the feeling created when the player places or removes the object, and furthermore, by changing the position of the target object that is the enemy character's target, the enemy character's appearance point changes. Since the progression path changes, the player can enjoy strategic game play by devising the shape of the game field and the placement of target objects.

(2) Furthermore, in the program, information storage medium, and game device according to the present invention, the field forming section may be configured to select an arrangement point from among a plurality of arrangement points preset on the game field according to an input from a player. The target object may be placed at a point.

According to the present invention, a player can enjoy strategic game play such as devising the shape of the game field while the placement position of the target object is limited.

(3) Furthermore, in the program, information storage medium, and game device according to the present invention, the game control section may cause the enemy character to start advancing after a predetermined period of time has elapsed since the appearance point was set.

According to the present invention, the player can change the advancing route by changing the position of the target object before the enemy character starts advancing, and can enjoy strategic game play.

(4) Furthermore, in the program, information storage medium, and game device according to the present invention, the progress route calculation unit calculates the height of the game field based on the height information of the game field corresponding to the object arranged in the virtual space. The traveling route may be recalculated.

According to the present invention, the player can change the progress route by devising the shape of the game field in the height direction, and can enjoy strategic game play.

(5) Furthermore, in the program, information storage medium, and game device according to the present invention, the progress route calculation unit calculates the progress route based on the attribute of the enemy character and the attribute of the object placed in the virtual space. may be recalculated.

According to the present invention, a player can enjoy strategic game play in which objects are placed in consideration of the attributes of enemy characters and the attributes of objects.

(6) Furthermore, in the program, information storage medium, and game device according to the present invention, the field forming section may be configured to control the field forming section when the attribute of the enemy character and the attribute of the object placed on the progress route satisfy a predetermined condition. , the object may be removed in response to the enemy character's attack on the object.

According to the present invention, a player can enjoy strategic game play in which objects are placed in consideration of the attributes of enemy characters and the attributes of objects.

FIG. 1 is a diagram showing an example of a functional block diagram of a game device according to the present embodiment. FIG. 3 is a diagram showing a simplified example of a game field. The figure which shows the calculation result of the score in the state in the middle of calculating a progress route. The figure which shows the example of calculation of a progress route. The figure which shows the example which the progress route after an update avoids obstacles in the horizontal direction. The figure which shows the example which the progress route after an update avoids the obstacle in the vertical direction. The figure which shows the update example of a progress route. The figure which shows the update example of a progress route. The figure which shows the example of arrangement|positioning of a player character. The figure which shows the example of arrangement|positioning of a player character. The figure which shows the example of arrangement|positioning of a player character. 5 is a flowchart showing the flow of processing of the game device according to the present embodiment.

This embodiment will be described below. Note that this embodiment described below does not unduly limit the content of the present invention described in the claims. Furthermore, not all of the configurations described in this embodiment are necessary components of the present invention.

1. Configuration FIG. 1 shows an example of a functional block diagram of a game device according to this embodiment. Note that the game device of this embodiment may have a configuration in which some of the components (each part) in FIG. 1 are omitted.

The input unit 150 is a device for inputting (detecting) input information from a user, and outputs the user input information (operation input) to the processing unit 100. The functions of the input unit 150 can be realized by input devices such as a touch panel, a touch pad, a mouse, direction keys and buttons, and a keyboard.

The storage section 170 stores programs and various data for making the computer function as each section of the processing section 100, and also functions as a work area for the processing section 100, and its functions can be realized by a hard disk, a RAM, or the like.

The display section 190 outputs the game image (game screen) generated by the processing section 100, and its function can be realized by a display such as a touch panel, LCD, or CRT, which also functions as the input section 150.

The sound output section 192 outputs the sound generated by the processing section 100, and its function can be realized by a speaker, headphones, or the like.

The communication unit 196 performs various controls for communicating with servers and other game devices, and its functions can be realized by hardware such as various processors or communication ASICs, programs, and the like.

Note that programs and various data for making the computer function as each part of the processing unit 100 stored in the information storage medium and storage unit of the server are received via the network, and the received programs and data are stored in the storage unit 170. It may be stored in The scope of the present invention also includes the case where the terminal functions by receiving programs and various data in this manner.

The processing unit 100 (processor) performs processing such as game processing, image generation processing, sound generation processing, etc. based on input information from the input unit 150, a program, data received via the communication unit 196, and the like. The functions of the processing unit 100 can be realized by hardware such as various processors (CPU, DSP, etc.), ASIC (gate array, etc.), and programs. The processing section 100 includes a field forming section 110, an appearance point setting section 112, a progress route calculating section 114, a display control section 116, a game control section 118, an image generation section 120, and a sound generation section 130.

The field forming unit 110 arranges a plurality of types of objects in the virtual space based on the field information stored in the storage unit 170 (placement positions in the virtual space, objects, etc.), forms an initial game field, and allows the player to An object selected from among multiple types of objects held in the game according to the player's input is placed in the virtual space, and an object selected from among the objects placed in the virtual space according to the player's input is placed in the virtual space. Update the game field in virtual space by removing objects. This makes it possible to arbitrarily change the height of the game field in the virtual space by stacking or removing a plurality of objects in accordance with the player's input. Further, the field forming unit 110 changes the placement position of a target object placed in the virtual space and serving as a target of the enemy character, in response to an input from the player. Further, the field forming unit 110 may place the target object at a placement point selected according to the player's input from among a plurality of placement points set in advance on the game field. Note that it is possible to store a plurality of pieces of field information for forming a game field, and the game field may be updated based on field information selected in response to input by the player. Furthermore, by downloading field information from a server or other game device via the communication unit 196, it is also possible to store a plurality of field information for game fields formed by the game creator and game fields formed by other players. Yes, players can upload field information of the game fields they have created to the server.

After starting a game using a game field, the appearance point setting unit 112 sets a position or area as an appearance point of an enemy character in the virtual space according to the game field.

The progress route calculation unit 114 calculates the progress route of the enemy character from the appearance point to the target (target object) of the enemy character, and the display control unit 116 displays the progress route calculated by the progress route calculation unit 114 on the game screen. Control the display on the screen. Further, the progress route calculation unit 114 recalculates the progress route when the placement position of the target object is changed, and the display control unit 116 performs control to redisplay the recalculated progress route on the game screen. . Further, the progress route calculation unit 114 may recalculate the progress route based on the height information of the game field corresponding to the object placed in the virtual space. Furthermore, the traveling route calculation unit 114 may recalculate the traveling route based on the attributes of the enemy character and the attributes of objects placed in the virtual space.

The game control unit 118 controls a game in which the enemy character and the player character compete by moving the enemy character along the progress route from the appearance point toward the target. For example, the game control unit 118 places the player character in the virtual space in response to the player's input, and controls the player character so that the placed player character automatically attacks an enemy character moving along the progress route. . Furthermore, the game control unit 118 may cause the enemy character to start advancing after a predetermined period of time has elapsed since the appearance point was set.

In addition, the field forming unit 110 removes the object from the game field in response to the enemy character's attack on the object when the attributes of the enemy character and the attributes of the object placed on the progress route satisfy a predetermined condition. You may also do so.

The image generation unit 120 performs a drawing process based on the results of various processes performed by the processing unit 100, thereby generating a game image (an image including a game field in a virtual space, an enemy character, and a player character), It is output to the display section 190. The image generation unit 120 generates an image (a so-called three-dimensional image) that can be seen from a virtual camera (a given viewpoint) in a virtual space (object space).

The sound generation unit 130 performs sound processing based on the results of various processes performed by the processing unit 100, generates game sounds such as BGM, sound effects, or voices, and outputs them to the sound output unit 192.

2. Method of this embodiment Next, the method of this embodiment will be explained using the drawings. The game device of this embodiment is configured to execute a game in which a target object is protected by repelling enemy characters that appear on a game field in a virtual space and advance toward a target (target object). .

The player selects an object from among multiple types of objects prepared in advance (earth or rock blocks, wood or iron blocks, parts made of a combination of wood or iron blocks, etc.) and places or removes the object in the virtual space. By doing this, it is possible to construct a game field in virtual space. For example, a player can create land and update the game field by removing or placing new blocks of dirt and rocks that form the ground of the game field, and can also update the game field by By arranging or stacking blocks and parts (walls, etc.), you can construct facilities (buildings) on the ground and update the game field.

In addition, the player can place the target object at a placement point selected from a plurality of placement points set in advance on the game field, and can move the target object placed at one placement point to another placement point. (change the placement position). In addition, at least one placement point is placed in advance in a state buried under an object (earth or rock blocks that form the ground), that is, in a state that is not displayed on the game screen, and the player removes the object and places it. When a point is exposed, a target object may be placed at the placement point, or the placement point may be configured to be movable so that the placement position can be changed in response to input from the player. Furthermore, the target object may be placed at the placement point when a predetermined condition for placing the target object at the placement point is satisfied.

When a predetermined condition is satisfied in the game (for example, the progress of the scenario reaches a predetermined value), a plurality of enemy character appearance points are set on the game field. The plurality of appearance points are set according to the height information of the game field (the presence or absence of an object at each point on the game field, information regarding the number of stacked objects at each point, and the attribute of the object at each point). For example, determine multiple positions on a horizontal plane (XZ plane) that are a certain distance away in a random direction from the placement point where the target object is placed, and select the highest (Y-axis value) of the multiple determined positions. Search for a location (large, large number of stacked objects) and set the appearance point at that location. Note that if the searched point overlaps with another appearance point, the appearance point setting is redone. Appearance points may be set on the ground (dirt or rock blocks), or on parts or facilities built on the ground.

Once the appearance point is set, a route (progress route of the enemy character) from the appearance point to the target object (placement point where the target object is placed) is calculated. The advancing route of the enemy character is calculated based on the height information of the game field (the presence or absence of an object at each point on the game field, information regarding the number of stacked objects at each point, and the attributes of the object at each point). For example, an object (a part such as a wall, a facility) having a predetermined height is set as an obstacle in the game field, and a path that allows the player to travel from the appearance point to the target object in the shortest distance while avoiding obstacles is calculated as the progress route.

FIG. 2 is a diagram showing a simplified example of a game field. The horizontal plane of the game field GF is divided by a plurality of squares arranged in a grid (in the example shown in FIG. 2, squares arranged in 10 rows and 10 columns). Objects, target objects, player characters, and enemy characters constituting the game field GF are placed in any of the squares, and appearance points and placement points are also set in any of the squares. In the example shown in FIG. 2, the appearance point AP is set in the square of the 1st row and 2nd column, the placement point is set in the square of the 8th row and 8th column, and the target object TO is placed at the placement point. Furthermore, objects that act as obstacles are arranged in each square shown in black in the figure. In the example shown in FIG. 2, the appearance point AP is set in one square, but the appearance point may be set in an area consisting of a plurality of consecutive squares.

When calculating the enemy character's progress route from the appearance point AP to the target object TO, first, calculate each square (excluding squares where obstacles are placed) around the square where the appearance point AP is placed (starting point). , calculate the score S by adding the distance from the starting point (movement cost MC) and the distance from the square where the target object TO is placed (goal point) (estimated cost DC), and calculate the score S as much as possible from among them. A traveling route is calculated by repeatedly searching for a square with a low score, calculating the score S for the squares surrounding that square, and searching for a square with the lowest possible score S (score S does not increase). FIG. 3 is a diagram showing a calculation result of the score S in a state in which the traveling route is being calculated, and FIG. 4 is a diagram showing an example of calculating the traveling route PP.

In this way, when the appearance point AP is set, the progress route PP is calculated, and the calculated progress route PP is displayed on the game screen (the progress route is superimposed on the game field displayed on the game screen). Is displayed). Furthermore, after a predetermined period of time has passed after the appearance point AP is set, the enemy character starts advancing, a predetermined number of enemy characters appear intermittently from the appearance point AP, and the enemy characters that have appeared move towards the target object TO. Move along the traveling path PP. Therefore, the player can confirm the progress path PP of the enemy character before the enemy character starts advancing. Note that from the time the appearance point AP is set until the enemy character begins to progress, the enemy character moving along the progress path PP is displayed as a ghost (semi-transparent display), so that the player can see that the enemy character is progressing. It may also be possible to know in advance how the route PP will be progressed.

When the player places an object that becomes an obstacle on the progress route PP, the progress route PP is recalculated and changed (updated). The progress route PP is recalculated based on the height information of the game field GF, the attributes of objects forming the game field GF, and the attributes of the enemy character. For example, as shown in FIG. 5, when an object OB is placed on the progress route PP, the attribute of the enemy character progressing on the progress route PP and the object OB on the progress route PP (single object or stacked It is determined whether the enemy character can jump over the object OB or not based on the heights of the objects OB. A level is set as an attribute for the enemy character, and the higher the level set for the enemy character (for example, the level representing jumping power), the higher the object the enemy character can jump over. Further, based on the attributes of the enemy character and the attributes of the object OB, it is determined whether the enemy character can destroy the object OB. Object OB also has a level set as an attribute (for example, a level representing strength or hardness), and the higher the level set for an enemy character (for example, a level representing attack power), the higher the level of that enemy character is. Can destroy objects. For example, an object made of iron blocks has a higher level than an object made of wood blocks. Further, the height in the virtual space (size in the Y-axis direction) is set in stages as an attribute of the object OB.

Based on the attributes of the enemy character advancing on the progress route PP and the object OB on the progress route PP, the enemy character cannot jump over the object OB (cannot exceed the height of the object OB), In addition, if it is determined that the object OB cannot be destroyed (the attributes of the enemy character and the attributes of the object OB do not satisfy a plurality of predetermined conditions), the progress path PP will move the object OB as shown in FIG. It is updated to a new traveling route PP' that is avoided (detoured) in the horizontal direction. In addition, if it is determined that the enemy character cannot destroy the object OB but can jump over it (the attributes of the enemy character and the attributes of the object OB satisfy a predetermined first condition), as shown in FIG. As such, the traveling path PP is updated to a new traveling path PP' that avoids the object OB in the vertical direction. Additionally, if it is determined that the enemy character can destroy the object OB (the attributes of the enemy character and the attributes of the object OB satisfy a predetermined second condition), the object OB is an obstacle for the enemy character. The progress route PP is not updated. In this case, when the enemy character advances on the progress route PP and reaches the object OB, it performs an action to destroy the object OB, and after the destruction, resumes progress on the progress route PP.

FIG. 7 shows an example in which the traveling route PP is updated based on the arrangement of objects that become obstacles. In the example shown in FIG. 7, an object OB that the enemy character cannot jump over or destroy is placed in the 4th row and 7th column on the progress route PP, so the progress route PP is changed to a new one that bypasses the object OB. The progress route PP' has been updated. Note that when calculating the progress route PP, the height information of the game field GF, the attributes of the object, and the attributes of the enemy character are taken into consideration in the same manner as in the first calculation.

Further, when the player moves the target object TO placed at the placement point and places it at another placement point (changes the placement position of the target object TO), the progress path PP is recalculated and changed. In the example shown in FIG. 8, the target object TO placed at the placement point of the square in the 8th row and 8th column is moved to the placement point of the square in the 1st row and 9th column, so the target object TO after moving from the appearance point AP A new route PP' that allows the vehicle to travel the shortest distance to TO while avoiding obstacles has been recalculated. The placement of obstacles on the progress route PP and the movement of the target object TO can be performed either before or after the enemy character starts moving (while the enemy character is moving).

Further, the player can place a player character selected from among a plurality of types of player characters owned by the player on the game field GF. The player character is a human or device character that autonomously attacks enemy characters. When an enemy character traveling along the progress route PP approaches a player character placed on the game field GF, the player character automatically attacks the enemy character according to a given algorithm. When the player character attacks an enemy character, the enemy character's physical strength decreases based on the player character's attack power and the enemy character's defensive power, and when the enemy character's physical strength reaches a predetermined value (for example, 0), The enemy character is deleted from the game field GF.

For example, as shown in FIG. 9, the player can ambush and attack an enemy character traveling along the traveling route PP by placing the player character PC in a square near the traveling route PP. Furthermore, as shown in FIG. 10, the player can arrange the object OB on the progress route PP and change the progress route PP to a progress route PP' that passes near the square where the player character PC is placed. , it is possible to cause the enemy character to advance near the square where the player character PC is placed. Furthermore, as shown in FIG. 11, the player moves the target object TO to another placement point and changes the progress path PP to a progress path PP' that passes near the square where the player character PC is placed. With this, it is possible to cause the enemy character to advance near the square where the player character PC is placed. Alternatively, the advancing route can be changed and the player character PC can be placed in a square near the changed advancing route while the enemy character is taking a detour. Note that the player character PC may be controlled so that the player character PC moves or attacks an enemy character in accordance with the player's input.

When the enemy character traveling along the progress route PP reaches a square where the target object TO is placed, the enemy character performs an action of stealing the target object TO and running away. At this time, the return point of the enemy character is set in any square of the game field GF, the enemy character with the target object TO moves toward the return point, and when the enemy character reaches the return point, Game over. Note that the game may be over when the enemy character captures the target object TO. Alternatively, the enemy character that has taken the target object TO may run away toward the appearance point AP, and the game may be over when the enemy character reaches the appearance point AP. In this case, when the enemy character captures the target object TO, the progress route from the placement point where the target object TO was placed to the appearance point AP is calculated, and the enemy character is moved along the calculated progress route. That's fine. In this case as well, if an obstacle is placed on the traveling route, the traveling route is recalculated.

As described above, according to the present embodiment, the enemy character's appearance point AP changes according to the game field GF formed by the player placing or removing objects, and further changes the position of the target object TO and changes the progress route. By placing objects that become obstacles on the PP, the enemy character's progress path PP is recalculated and changed, so the player can change the shape of the game field GF, the placement of the target object TO, and the placement of objects. You can enjoy strategic gameplay such as devising ideas. Further, according to the present embodiment, by limiting the position where the target object TO can be placed to a plurality of preset placement points, the player can play the game while the position where the target object TO can be placed is limited. You can enjoy strategic gameplay such as devising the shape of the field GF and the placement of objects. Furthermore, according to the present embodiment, the player can also change the progress path PP by changing the position of the target object TO or placing obstacles on the progress path PP before the enemy character starts advancing. Therefore, players can enjoy strategic game play with a certain amount of time to spare. Furthermore, according to the present embodiment, since the progression path PP is recalculated based on the height information of the game field GF, the attributes of objects, and the attributes of enemy characters, the player can You can enjoy strategic gameplay such as arranging objects by taking into account their shapes, enemy character attributes, and object attributes.

3. Processing Next, an example of the processing of the game device of this embodiment will be described using the flowchart of FIG. 12.

First, the appearance point setting unit 112 sets the appearance point AP of the enemy character on the game field in accordance with the game field in the virtual space (step S10). Next, the progress route calculation unit 114 calculates a path from the appearance point AP to the placement point where the target object TO is placed, based on the height information of the game field, the attributes of the objects constituting the game field, and the attributes of the enemy character. The progress route PP is calculated, and the display control unit 116 displays the calculated progress route PP on the game screen (step S11).

Next, the field forming unit 110 determines whether an operation input instructing the arrangement of objects has been performed (step S12), and if the operation input has been performed (Y in step S12), multiple types of An object selected from among the objects according to the player's input is placed at a position on the game field specified according to the player's input (step S13). Here, when an operation input instructing the removal of an object is performed, the field forming unit 110 removes the object specified from the virtual space in response to the player's input. Next, the progress route calculation unit 114 determines whether an object that becomes an obstacle (that cannot be destroyed by the enemy character) is placed on the progress route PP (step S14), and determines whether or not the object is placed on the progress route PP. If it is placed above (Y in step S14), the progression path PP is recalculated based on the height information of the game field, the attributes of the placed object, and the attributes of the enemy character, and the display control unit 116 , the recalculated progress route PP is displayed on the game screen (step S15).

Next, the game control unit 118 determines whether an operation input instructing the placement of the player character PC has been performed (step S16), and if the operation input has been performed (Y in step S16), A player character PC selected from among the player characters owned by the player according to the player's input is placed at a position on the game field designated according to the player's input (step S17).

Next, the field forming unit 110 determines whether an operation input instructing the movement of the target object TO has been performed (step S18), and if the operation input has been performed (Y in step S18), The target object TO is placed at the placement point selected according to the player's input, and the placement position of the target object TO is changed (step S19). Next, the progress route calculation unit 114 calculates the progress route PP from the appearance point AP to the placement position of the target object TO based on the height information of the game field, the attributes of the objects constituting the game field, and the attributes of the enemy character. The display control unit 116 displays the recalculated progress route PP on the game screen (step S20).

Next, the game control unit 118 determines whether a predetermined time has elapsed since the appearance point AP was set (step S21), and if the predetermined time has not elapsed (N in step S21), The process moves to step S12. If the predetermined time has elapsed (or the enemy character has already started to progress) (Y in step S21), the game control unit 118 moves the enemy character that has appeared intermittently from the appearance point AP to the progress path. Control is performed to cause the player character PC to move along the PP, and to cause the player character PC placed on the game field to compete against the enemy character who is moving along the progress path PP (step S22). Further, when the enemy character reaches the target object TO, a return point is set on the game field, and the enemy character is controlled to move toward the return point while holding the target object TO.

Next, it is determined whether or not to continue the process (step S23), and if the process is to be continued (the enemy character holding the target object TO has not reached the return point) (Y in step S23), The process moves to step S12.

The present invention is not limited to what has been described in the above embodiments, and can be implemented in various modifications. For example, terms cited as broad or synonymous terms in the description or drawings can be replaced with broad or synonymous terms in other descriptions in the specification or drawings.

100... Processing section, 110... Field forming section, 112... Appearance point setting section, 114... Progress route calculation section, 116... Display control section, 118... Game control section, 120... Image generation section, 130... Sound generation section, 150 ...Input section, 170...Storage section, 190...Display section, 192...Sound output section, 196...Communication section

Claims (8)

a field forming unit that updates a game field in the virtual space by arranging or removing an object selected from a plurality of types of objects in response to input by a player in the virtual space;
an appearance point setting unit that sets a position or area as an appearance point of an enemy character in the virtual space according to the game field;
a progress route calculation unit that calculates a progress route of the enemy character from the appearance point to the target of the enemy character;
a display control unit that displays the progress route on a game screen;
causing the computer to function as a game control unit that moves the enemy character from the appearance point toward the target along the progress route and controls a game in which the enemy character and the player character compete;
The field forming section is
changing the placement position of the target object placed in the virtual space and serving as the target according to an input from a player;
The traveling route calculation unit includes:
A program characterized in that the traveling route is recalculated when the arrangement position of the target object is changed. In claim 1,
The field forming section is
A program characterized in that the target object is placed at a placement point selected according to an input by a player from among a plurality of placement points set in advance on the game field. In claim 1 or 2,
The game control section includes:
A program characterized in that the enemy character starts advancing after a predetermined time has elapsed after the appearance point is set. In any one of claims 1 to 3,
The traveling route calculation unit includes:
A program for recalculating the progress route based on height information of the game field corresponding to the object placed in the virtual space. In any one of claims 1 to 4,
The traveling route calculation unit includes:
A program that recalculates the traveling route based on attributes of the enemy character and attributes of the object placed in the virtual space. In any one of claims 1 to 5,
The field forming section is
A program characterized in that, when an attribute of the enemy character and an attribute of the object placed on the travel route satisfy a predetermined condition, the object is removed in response to an attack on the object by the enemy character. a field forming unit that updates a game field in the virtual space by arranging or removing an object selected from a plurality of types of objects in response to input by a player in the virtual space;
an appearance point setting unit that sets a position or area as an appearance point of an enemy character in the virtual space according to the game field;
a progress route calculation unit that calculates a progress route of the enemy character from the appearance point to the target of the enemy character;
a display control unit that displays the progress route on a game screen;
a game control unit that moves the enemy character from the appearance point toward the target along the progress route and controls a game in which the enemy character and the player character compete;
The field forming section is
changing the placement position of the target object placed in the virtual space and serving as the target according to an input from a player;
The traveling route calculation unit includes:
A game device characterized in that the traveling route is recalculated when the arrangement position of the target object is changed. a field forming step of updating a game field in the virtual space by arranging or removing an object selected from a plurality of types of objects in response to input by a player in the virtual space;
an appearance point setting step of setting a position or area as an appearance point of an enemy character in the virtual space according to the game field;
a progress route calculation step of calculating a progress route of the enemy character from the appearance point to the target of the enemy character;
a display control step of displaying the progress route on a game screen;
a game control step of moving the enemy character from the appearance point toward the target along the progress route and controlling a game in which the enemy character and the player character compete;
In the field forming step,
changing the placement position of the target object placed in the virtual space and serving as the target according to an input from a player;
In the traveling route calculation step,
A game control method characterized in that the progress route is recalculated when the placement position of the target object is changed.

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