CN117298591A - Virtual terrain generation method and device, electronic equipment and readable storage medium - Google Patents
Virtual terrain generation method and device, electronic equipment and readable storage medium Download PDFInfo
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/60—Generating or modifying game content before or while executing the game program, e.g. authoring tools specially adapted for game development or game-integrated level editor
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/04815—Interaction with a metaphor-based environment or interaction object displayed as three-dimensional, e.g. changing the user viewpoint with respect to the environment or object
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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- G—PHYSICS
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- G06T17/05—Geographic models
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
- A63F2300/60—Methods for processing data by generating or executing the game program
- A63F2300/6009—Methods for processing data by generating or executing the game program for importing or creating game content, e.g. authoring tools during game development, adapting content to different platforms, use of a scripting language to create content
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Abstract
The application discloses a virtual terrain generation method, a device, an electronic device and a computer readable storage medium, wherein the method comprises the following steps: obtaining a topographic sketch file, wherein the topographic sketch file comprises topographic elements forming a virtual topography; determining a topographical feature of the topographical element; determining a terrain area to which the terrain element belongs in the virtual terrain; and adjusting the terrain data of the terrain area according to the terrain characteristics of the terrain elements to obtain the virtual terrain. The method can fully utilize the topographic sketch files in the topographic planning stage, and improves the virtual topographic generation efficiency.
Description
Technical Field
The present disclosure relates to the field of computers, and in particular, to a virtual terrain generating method, apparatus, electronic device, and computer readable storage medium.
Background
In the game, an accurate or vivid scene map can improve the quality of the game to a certain extent, and the experience of users is improved. In the game map making process, the making of virtual terrains is a key ring for making scene maps.
In a virtual terrain creation method, virtual terrain creation includes a terrain planning stage and an art creation stage. The terrain planning stage requires planners to make a design sketch of a terrain layout structure, then the fine arts are referred to the design sketch of the terrain structure, and in a terrain editor, tools such as a painting brush and the like provided by the terrain editor are utilized to manually build the terrain corresponding to the design sketch of the terrain structure, so that the topography is high and low. For example, a planner designs a wall of a fixed size at a designated position in a design sketch of a terrain structure, and an artist needs to manually restore the wall of the designated position and fixed size in the design sketch in a terrain editor.
In the above manner, in the art manufacturing stage of the terrain, the sketch in the design stage is only used as a reference, and the art staff needs to expend a great deal of effort to restore the terrain in the design sketch, if the design sketch is modified, the art staff needs to manually modify the design sketch in a one-to-one correspondence manner, and in the process of manufacturing the terrain, the complex repeated work exists, so that the terrain generation efficiency is not high.
Disclosure of Invention
The application provides a virtual terrain generation method, a device, electronic equipment and a computer readable storage medium, which can fully utilize a design sketch of a terrain planning stage and improve the generation efficiency of virtual terrain.
In a first aspect, an embodiment of the present application provides a virtual terrain generating method, including:
obtaining a topographic sketch file, wherein the topographic sketch file comprises topographic elements forming a virtual topography;
determining a topographical feature of the topographical element;
determining a terrain area to which the terrain element belongs in the virtual terrain;
and adjusting the terrain data of the terrain area according to the terrain characteristics of the terrain elements to obtain the virtual terrain.
In a second aspect, an embodiment of the present application provides a virtual terrain generating apparatus, including: an acquisition unit, a determination unit and a generation unit;
the acquisition unit is used for acquiring a topographic sketch file, wherein the topographic sketch file comprises topographic elements forming a virtual topography;
the determining unit is used for determining the topographic features of the topographic elements;
the determining unit is further used for determining a terrain area to which the terrain element belongs in the virtual terrain;
the generating unit is used for adjusting the terrain data of the terrain area according to the terrain characteristics of the terrain elements to obtain the virtual terrain.
In a third aspect, an embodiment of the present application provides an electronic device, including:
A processor; and
a memory for storing a data processing program, the electronic device being powered on and executing the program by the processor, to perform the method as in the first aspect.
In a fourth aspect, embodiments of the present application provide a computer readable storage medium storing a data processing program for execution by a processor to perform a method as in the first aspect.
The application has the following advantages: the user can design a topographic sketch in a table tool with a simple using method, then the electronic equipment obtains a topographic sketch file, wherein the topographic sketch file comprises topographic elements forming the virtual topography, and after the electronic equipment reads the topographic elements in the topographic sketch file, the electronic equipment determines the topographic characteristics of the topographic elements, wherein the topographic characteristics are used for representing the surface morphology of the virtual topography, such as the texture characteristics and the height characteristics of the surface. And further determining a terrain area of the terrain element in the virtual terrain, namely determining the occupied area of the terrain element in the virtual terrain, and then adjusting the terrain data of the terrain area corresponding to the terrain element according to the terrain characteristics of the terrain element to obtain the virtual terrain.
Therefore, the virtual terrain generating method provided by the embodiment of the application can fully multiplex the terrain sketch file to generate the virtual terrain, simplify the manufacturing flow of the virtual terrain, and improve the terrain generating efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments of the present application will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of an example of a design sketch of a virtual terrain for a game planning stage provided in an embodiment of the present application;
FIG. 2 is an interface schematic diagram of an editing interface for performing terrain editing with reference to a design sketch in a terrain editor according to the related art provided in the embodiments of the present application;
FIG. 3 is a flowchart illustrating an example of a virtual terrain generation method according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram illustrating an example of a graphical user interface for obtaining a topographic sketch file according to an embodiment of the present application;
FIG. 5 is a schematic diagram illustrating an example of displaying a virtual terrain generated by using a virtual terrain generating method according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a virtual terrain generating apparatus according to an embodiment of the present application;
fig. 7 is a block diagram of an electronic device for generating a virtual terrain according to an embodiment of the present application.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other ways than those herein described and similar generalizations can be made by those skilled in the art without departing from the spirit of the application and the application is therefore not limited to the specific embodiments disclosed below.
It should be noted that the terms "first," "second," "third," and the like in the claims, specification, and drawings herein are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. The data so used may be interchanged where appropriate to facilitate the embodiments of the present application described herein, and may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and their variants are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or" is merely an association relationship describing an association object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. "comprising A, B and/or C" means comprising any 1 or any 2 or 3 of A, B, C.
It should be understood that in the embodiments of the present application, "B corresponding to a", "a corresponding to B", or "B corresponding to a", means that B is associated with a, from which B may be determined. Determining B from a does not mean determining B from a alone, but may also determine B from a and/or other information.
Before describing the embodiments of the present application in detail, related concepts related to the present embodiment will be described first.
A terrain editor is a tool that allows game developers to create, edit, and modify the terrain in a game, typically a separate software module integrated into the game engine, or alternatively, a visual editor within the game.
Virtual terrain, which may be understood as terrain in a world scene, such as mountains, plains, rivers, deserts, etc., or may be terrain in a point scene, such as urban walls, roads, houses, etc., in a city.
Texture may include a pattern of grooves that makes the surface of the object appear as asperities or a physical smooth surface, in which embodiment texture may be added to the virtual terrain as it is being made, making the virtual terrain more realistic, closer to the terrain seen in display life, such as for creating texture of plain grasslands in the terrain, texture of village grasslands, texture of volcanic rocks, texture of deserts, etc.
Terrain elements, which in this embodiment are basic units representing the morphological type of the earth's surface, such as ridges, valleys, rivers, etc., various virtual terrains can be formed by different spatial combinations of terrain elements.
The terrain grid is a grid formed by a plurality of square cells with different positions, and the high-low fluctuation terrain can be formed by changing the height values of certain vertexes in the grid in the terrain manufacturing process; or the grid is filled with textures, so that the terrain environments with different grooves or different patterns can be displayed.
Next, the related art will be further described.
In one virtual terrain generation method, creating a virtual terrain includes a terrain planning stage and an art creation stage. In the stage of planning a terrain, a planner is required to make a design sketch of a terrain structure, and in general, when the planner makes a design sketch of a terrain structure, the planner mainly focuses on the layout of terrain elements matched with story development, the design of the terrain elements, and the like, for example, in a game mainly using outdoor nature landscapes, the planner is required to determine the terrain elements such as deserts, urban areas, virtual object moving routes, vegetation distribution, and the like according to the story development, and the layout among the terrain elements. Therefore, the type identifier of the terrain element and the position of the terrain element in the virtual terrain need to be reflected in the design sketch of the terrain, so that other developers can clearly know the plane layout of the virtual terrain through the design sketch. In practical applications, a tool for making a design sketch, which is generally used by a planner, may be a table tool capable of clearly expressing a relative positional relationship between various terrain elements, for example, the table tool may be a word or excel. Referring to fig. 1, fig. 1 is a schematic diagram of a virtual terrain design of a game planning stage according to an embodiment of the present application. In the design sketch, different terrain elements can be indicated by different identifications, and the positions of the terrain elements in the virtual terrain can be indicated by the positions of the identifications of the terrain elements in the sketch, for example, various terrain elements are identified by colors in the design process of the terrain sketch of a tower game scene. The black area as shown in fig. 1 may represent an area where a monster is born, the gray area may represent a placement area of a virtual character that is engaged with the monster, and the white area may represent an area where the monster may move. As another example, in a field landscape game, the black areas shown in fig. 1 may represent volcanic, the gray areas may represent deserts, and the white areas represent vegetation.
Then, the art staff refers to the design sketch, and in the terrain editor, the terrain corresponding to the design sketch shown in fig. 1 is manually built by using tools such as a brush provided by the terrain editor. Referring to fig. 2, fig. 2 is an interface schematic diagram of an editing interface 200 for performing terrain editing with reference to a design sketch in a terrain editor according to an embodiment of the present application. For example, the art personnel needs to manually reduce the topography of fig. 1 at the editing interface 200 by selecting a brush, that is, the black area corresponds to the monster birth topography, the white area corresponds to the monster movement path topography, and the gray area corresponds to the placement topography of the virtual character that is designed to be in engagement with the monster. The art staff needs to accurately and manually construct a monster birth place, a monster moving route, a layout relation between places of virtual characters for competing with the monster and a height and fluctuation form of each terrain in a terrain editor.
In the mode, the artwork needs to expend a great deal of effort to restore the terrain in the design sketch, if the design sketch is modified, the artwork needs to be manually modified in one-to-one correspondence, and in the process of manufacturing the terrain, the artwork has complex repeated work, and the virtual terrain is not efficient to generate.
In addition, when there are many scenes in the game, it may be necessary to draw a corresponding topographic sketch for each scene, and then the above-mentioned manner in which the artwork is manually drawn in the art editor by the artist to draw a virtual topography corresponding to the sketch is achieved, and the topography generation efficiency is low. Meanwhile, when the virtual terrain is generated in the terrain editor by referring to the terrain sketch, high professionals are required, and non-art staff cannot generate the terrain, namely, the requirements on the art staff are high, and the learning cost is high.
Based on the above-mentioned problems, the inventors have considered a terrain generation technique in the related art, and generally employed a terrain grid to simulate generation of terrain, the unit grid in the grid being one terrain piece of the entire terrain. The method is similar to a table tool adopted in a topographic sketch design stage, and the layout of the topography is represented through grids, so that the method and the device consider that the tables in the topographic sketch are associated with the topographic grids in the virtual topography, and further the topographic elements which are intended to be expressed in each grid of the sketch table by a planner are applied to the topographic grids of the virtual topography, multiplexing of the topographic sketch is achieved, and the generation efficiency of the virtual topography is improved.
Based on the above conception, embodiments of the present application provide a virtual terrain generating method, apparatus, electronic device, and computer readable storage medium. The virtual terrain generation method provided by the embodiment of the application can be executed by electronic equipment, and the electronic equipment can be equipment such as a terminal or a server. The terminal can be terminal equipment such as a smart phone, a tablet personal computer, a notebook computer and the like. The server may be an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, or a cloud server providing cloud services, cloud databases, cloud computing, cloud storage, network services, cloud communication, middleware services, domain name services, security services, CDNs, basic cloud computing services such as big data and artificial intelligence platforms, and the like.
The technical scheme of the present application is described in detail below through specific embodiments. It should be noted that the following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.
Fig. 3 is a flowchart illustrating an example of a virtual terrain generating method according to an embodiment of the present application. It should be noted that the steps shown may be performed in a different logical order than that shown in the method flow diagram. The method may include the following steps S310 to S340.
Step S310: a terrain sketch file is acquired, the terrain sketch file comprising terrain elements constituting a virtual terrain.
In this embodiment, the terrain sketch file is a terrain design sketch created by a planner in a terrain planning stage, and the terrain sketch file includes terrain elements constituting a virtual terrain and can be used to indicate the distribution situation of the terrain elements in the virtual terrain, i.e. can represent the planar layout of the virtual terrain.
In this embodiment, the topographic sketch file may be a file containing a topographic sketch in a form of a table, for example, may be an xls file, a word file containing a topographic sketch in a form of a table, or a picture file containing a topographic sketch in a form of a table, which may be all files carrying a topographic sketch in a form of a table, which is not particularly limited in this embodiment.
The table bearing topographic sketch is adopted to intuitively express the position distribution of each topographic element in the virtual topography. In a specific embodiment, cell positions may be set for respective element units for constituting a terrain element in the terrain sketch, and each element unit occupies one cell in the table, and the cell positions may be understood as position coordinates, by which the positions of the element units constituting a certain terrain element in the terrain sketch may be accurately located. Referring to fig. 1, fig. 1 shows a 6×6 topographic sketch, and each element unit corresponds to its own position coordinate, which can be understood as a line number and a column number preset based on a table in the map sketch. For example, the position coordinate of the first cell in the upper left corner in fig. 1 is (1, 1), indicating that the cell is in the first row and first column in the table of the topographic sketch. It will be appreciated that the shape and length of each grid in the table is not limited during the design phase of the topographic sketch. In this embodiment, only a table formed of cells having the same size is used as an example to show a topographic sketch.
It will be appreciated that the above-mentioned terrain elements are at least one terrain element preset in the sketch by the planner in the terrain planning phase. In this embodiment, different marks may be assigned to different topographic elements to mark the topographic elements. The identification of the terrain elements may include text, color, or shape symbol indicia, etc. For example, referring to fig. 1, the topographic sketch shown in fig. 1 includes three topographic elements, which are assumed to be monster birth sites, monster movement routes, and placement positions of virtual characters for engagement with monsters, respectively. When planning staff designs a topographic sketch, different marks can be respectively arranged on the three topography, for example, characters are used as marks, letters are used as marks in fig. 1, A represents a topographic element of a virtual character placing position for fighting with a monster, B represents a topographic element of a monster birth place, and C represents a topographic element of a monster moving route.
In a specific embodiment, different marks can be given to the same type of terrain elements with different heights, for example, for walls with different heights, a high wall and a low wall can be set to be different marks. That is, in the present embodiment, the height value of a terrain element represented by one type of mark is the same. In other words, in the present embodiment, when the planning stage designs the terrain elements, the number of the terrain elements needs to consider the height characteristics of the same type of terrain elements in addition to being determined according to the type of terrain elements.
In the implementation, the virtual terrain may be irregular, so that in the design stage of the terrain sketch, the sketch shape formed by the cells occupied by each designed terrain element is not necessarily square, and in order to generate the virtual terrain by using the sketch conveniently, the unoccupied cells can be subjected to filling processing, so that a square terrain sketch is finally generated, and the filled cells are given with specific marks.
In an alternative embodiment, the electronic device may obtain the topographic sketch file by setting an import control in the topographic editor and manipulating the import control to achieve the function of obtaining the topographic sketch file. That is, the function of generating a virtual terrain from a terrain sketch file is embedded in an existing terrain editor, and the virtual terrain is generated based on the terrain sketch file without changing the function of the terrain editor. Referring to fig. 4, fig. 4 is a schematic diagram of a graphical user interface for obtaining a topographic sketch file according to an embodiment of the present application. In the graphical user interface 400 shown in fig. 4, an import control 40 is provided, and when the user triggers the import control 40, the user can enter the local storage space of the electronic device to search for and acquire the topographic sketch file.
Alternatively, in some embodiments, the above-mentioned acquisition of the topographic sketch file may also be acquired through voice or a specific gesture or shortcut key to trigger an acquisition instruction, which is not particularly limited in this embodiment. It can be appreciated that the various instructions in this embodiment may be triggered by voice, a trigger control, a specific gesture or a shortcut key, and the like, which will not be described in detail later.
Step S320: the topographical features of the topographical elements are determined.
The topographical features of the topographical elements are used to represent the topography of the topographical elements in the virtual topography. In alternative embodiments, the topographical features may include texture features and height features. Wherein, texture features are used to increase terrain element fidelity and height features are used to adjust the height values of terrain elements.
In some embodiments, in step S320, the corresponding terrain features may be preset for the terrain elements corresponding to the identification of each terrain element in the terrain sketch. Alternatively, in some embodiments, after the topographic sketch file is obtained through the import control 400, the identity of at least one topographic element in the topographic sketch file is read and displayed in the graphical user interface 400. In a specific embodiment, the setting interface 41 may be displayed in the graphical user interface 400, where the setting interface 41 includes the identification of the above-mentioned topographic elements and the first input control of the topographic feature corresponding to each topographic element. The terrain developer can assign corresponding terrain features to each terrain element in the terrain sketch through the first input control of the terrain features, and the electronic equipment determines the terrain features of the terrain elements by receiving the terrain features of the terrain elements input by the user in the first input control in the setting interface.
In an alternative embodiment, a storage path of the topographic sketch file local to the electronic device may also be displayed in the setting interface 41, and the user may replace the acquired topographic sketch file by triggering the storage path.
Referring to fig. 4, feature variables corresponding to terrain elements may include texture features and/or height features. That is, the first input control may include an edit control that inputs a texture feature and/or an input control that inputs a height feature.
The texture feature of the topographic element input in the first input control may specifically be in a manner that at least one candidate texture feature of the topographic element is displayed in the graphical user interface in response to a trigger instruction to an edit control of the texture feature; in response to a selection instruction of at least one candidate texture feature, a texture feature of the terrain element is obtained. It will be appreciated that the candidate texture features described above are pre-stored available texture maps.
Input controls of the height features corresponding to the terrain elements can be further included in the setting interface 41; it may be appreciated that the input control of the height feature corresponding to the topographic element may be a text input box in which the user inputs the height feature of the topographic element; alternatively, the editing control 43 may be a selection control, and the height feature corresponding to the terrain element may be obtained by sliding up and down. The electrons determine the altitude value for the terrain element by receiving the altitude value for input in the text input box.
For example, for a terrain element of a monster birth area denoted by a mark B in fig. 1, the texture feature may be set to be a mud texture, and in the generated virtual scene, the monster birth area is represented as a mud area, and the height feature is set to be-1, the mud area may be represented as a mud pit, i.e. the original terrain height value is adjusted downwards.
The steps are 330: a terrain area to which the terrain element belongs in the virtual terrain is determined.
In one embodiment, the terrain area to which the terrain element belongs in the virtual terrain may be determined in particular by the following method. Firstly, reading a first unit position of an element unit forming the terrain element in the terrain sketch file; generating a terrain grid region of the virtual terrain, wherein grid positions in the terrain grid region correspond to unit positions in the terrain sketch file; and searching a first grid position corresponding to the first unit position in the terrain grid region to obtain a terrain region to which the terrain element belongs in the virtual terrain.
It is to be understood that the topographic sketch file is a table file in which a topographic element is constituted by a plurality of element units, like the topographic element B shown in fig. 1, and 4 element units constituting the topographic element B, that is, four element lattices in black in fig. 1, constitute the topographic element B. Each element unit for storing the topographic element has its corresponding position coordinate, so that the position coordinate of the topographic element in the topographic sketch file may be read to obtain the first element position. For example, in the topographic sketch file shown in fig. 1, the first cell position of each topographic element is shown in table 1. It will be appreciated that table 1 is only an example of partial cell locations for partial terrain elements. When the first unit position corresponding to the topographic element A is (2, 2), the element unit constituting the topographic element A is positioned in the second row and the second column in the topographic sketch.
Table 1 example of first cell locations of element cells of a topography element in a topography sketch file
| Identification of topographical elements | First cell location in a topographic sketch file |
| A | (2,2)、(2,3)、(3,2)、(5,2) |
| B | (3,3)、(3,4)、(4,3)、(4,4) |
| C | (1,1)、(1,6)、(6,1)、(6,6) |
It is understood that the terrain mesh area of the virtual terrain is the size of the occupied area of the generated virtual terrain, and the occupied area is divided into the form of meshes. In a specific embodiment, the terrain mesh corresponding to the virtual terrain may be determined according to the following method.
And acquiring the initial position and the unit grid size of the virtual terrain, and generating a terrain grid area of the virtual terrain according to the initial position and the unit grid size of the virtual terrain. Wherein the starting position of the virtual terrain may be determined with starting coordinates. The initial coordinate is a coordinate value in a coordinate system established when the topographic grid area is drawn, and the coordinate system can be a relative coordinate system or an absolute coordinate system. A relative coordinate system is understood to be a coordinate system established solely for the virtual terrain when the virtual terrain is generated, and an absolute coordinate system is understood to be a world coordinate system employed when the virtual terrain is generated. When the coordinate system is a relative coordinate system, the position of the virtual terrain may be the origin coordinate (0, 0) of the relative coordinate system, and when the first cell position is (2, 2), that is, the first grid position corresponding to the element cell indicated by the first cell position (2, 2) in the relative coordinate system of the virtual terrain is (2, 2). The unit mesh size is the size of each mesh constituting the terrain mesh, that is, the unit mesh may represent the floor area of one terrain block. In this embodiment, the unit of measurement of the unit cell size may be meters, for example, when the size of the unit cell is 2×2, it means that the floor area of the unit cell is 4 square meters. Of course, the unit of measurement of the unit cell size may be other units, such as centimeters or feet, and the embodiment is not particularly limited.
In a specific embodiment, according to a starting position and a unit grid size of the virtual terrain, generating the terrain grid area of the virtual terrain specifically includes the following steps: and reading the number of cells in a first preset direction and the number of cells in a second preset direction in a topographic sketch file, and then generating a topographic grid area of the virtual topography by taking the initial position as a starting point according to the unit grid size, the number of cells in the first preset direction and the number of cells in the second preset direction.
Wherein the first preset direction and the second preset direction are perpendicular to each other. It will be appreciated that the first preset direction and the second preset direction may be a row direction or a column direction in the topographic sketch file shown in fig. 1, the row direction may be rightward, and the column direction may be downward.
Determining the unit mesh size may include any one of reading a preset unit mesh size or referring to fig. 4, displaying a second input control of the unit mesh size in the setting interface 41 in the graphical user interface 40, and the electronic device receiving the unit mesh size input by the user in the second input control in the graphical user interface to obtain the unit mesh size of the terrain mesh. That is, the X variable and the Y variable corresponding to the unit cell size in fig. 4 are assigned respectively.
Specifically, the number of cells in the first preset direction and the second preset direction in the topographic sketch file may be determined as the number of grids in the first preset direction and the second preset direction in the topographic grid area, respectively. For example, the topographic sketch file is a table composed of 6×6 element units, and then the grid of the topographic grid area is also 6×6. Further, according to the unit grid size, the area size of the terrain grid can be determined, for example, if the unit grid size is 2 meters×2 meters, the terrain grid area is 12 meters×12 meters, and the occupied area is 144 square meters.
It can be appreciated that, in the case where the number of cells in the first preset direction and the second preset direction in the topographic sketch file is the same as the number of cells in the first preset direction and the second preset direction in the topographic grid area, the grid positions in the generated topographic grid area correspond to the cell positions of the element cells in the topographic sketch file. For example, when the first unit position of the terrain element is (2, 2), the grid region corresponding to the position coordinates (2, 2) can be searched in the terrain grid region, and the grid region corresponding to the position coordinates (2, 2) is used as the terrain region to which the terrain element belongs in the terrain region.
In an alternative embodiment, the generating the terrain mesh area with the starting position as the starting point may be understood as: with the starting position as a starting point, a terrain mesh region of the virtual terrain can be generated along a first preset direction and a second preset direction. For example, if the first preset direction is rightward and the second preset direction is downward, the terrain mesh area is generated rightward and downward by taking the starting position as a starting point.
And step S340, adjusting the terrain data of the terrain area according to the terrain characteristics of the terrain elements to obtain the virtual terrain.
It will be appreciated that the virtual terrain generated above is a three-dimensional virtual terrain, and as shown in fig. 5, fig. 5 is a schematic view showing an example of the virtual terrain provided in the present embodiment. The schematic diagram of the virtual terrain shown in fig. 5 is an example of the virtual terrain corresponding to the terrain sketch shown in fig. 1.
The above-mentioned adjustment of the topographic data of the topographic region can be understood as a modification of the original topographic features of the topographic region. In an alternative embodiment, the topographical features of the topographical elements may include textural features and/or height features. The adjusting the terrain data of the terrain area according to the terrain features of the terrain elements may specifically include: and carrying out texture filling on the terrain area according to the texture characteristics, and/or adjusting the terrain height of the terrain area according to the height characteristics.
It can be seen that a user can design a topographic sketch in a table tool with a simple using method, then the electronic device obtains a topographic sketch file, wherein the topographic sketch file comprises topographic elements forming a virtual topography, and after reading the topographic elements in the topographic sketch file, the electronic device determines the topographic characteristics of the topographic elements, and the topographic characteristics are used for representing the surface morphology of the virtual topography, such as the texture characteristics and the height characteristics of the surface. And further determining a terrain area of the terrain element in the virtual terrain, namely determining the occupied area of the terrain element in the virtual terrain, and then adjusting the terrain data of the terrain area corresponding to the terrain element according to the terrain characteristics of the terrain element to obtain the virtual terrain.
Therefore, the virtual terrain generating method provided by the embodiment of the application can fully multiplex the terrain sketch file to generate the virtual terrain, simplify the manufacturing flow of the virtual terrain, and improve the terrain generating efficiency.
Next, some optional embodiments provided in the present application will be described.
In some embodiments, the virtual terrain generation method provided by the application can be used for generating a part of virtual terrains in a large-terrain scene besides generating the whole virtual terrain, for example, for a large-world game, different terrain scenes can be included, and desert terrains, tropical rain forest terrains or urban terrains and the like are included. In such a game, the topographic sketches may be designed by different planners in areas or in batches, that is, in this case, there may be a plurality of topographic sketch files, and when virtual topography is generated, virtual topography corresponding to each topographic sketch file is generated in batches, and a large topographic scene is formed by splicing a plurality of virtual topography. For example, firstly, desert terrains are generated, then, tropical rain forest terrains are generated on the basis of the desert terrains, and a large terrain scene with the desert terrains and the tropical rain forest terrains is formed. When the virtual terrain generation method is used, the functions of leading in a plurality of terrain sketch files in batches and gradually splicing to generate the large terrain scene are required. Therefore, the method for generating a virtual terrain provided in this embodiment further includes the following step S350.
Step S350: and reading a scene file of a terrain scene to which the virtual terrain belongs.
The terrain scene is a large terrain scene or a world terrain. A scene file may be understood as a file of a terrain scene comprising a plurality of virtual terrains.
In this case, the topographic sketch file acquired in step S310 is a corresponding partial virtual topography in the topographic scene. Correspondingly, generating the terrain mesh area of the virtual terrain includes: a terrain mesh region of the virtual terrain is generated in the terrain scene.
The above-mentioned generating of the virtual terrain in the terrain scene requires determining from which position in the terrain scene the virtual terrain starts to be generated, so as to achieve the purpose of directly stitching the virtual terrain generated in each batch into the complete terrain scene. Therefore, the above-mentioned generation of the terrain mesh region of the virtual terrain in the terrain scene requires first obtaining the start position of the virtual terrain in the affiliated terrain scene, and then generating the terrain mesh region of the virtual terrain in the terrain scene with the start position in the terrain scene as the start point.
In this embodiment, in order to enable accurate position layout between the generated virtual terrain and the rest of the virtual terrain in the terrain scene, when the virtual terrain is generated in the terrain scene, the position coordinates in the terrain scene are world coordinates. When generating the terrain grid region of the virtual terrain in the terrain scene, the coordinate conversion is required to be carried out on the unit positions of the element units in the terrain sketch file so as to obtain the world coordinates corresponding to each element unit in the terrain scene. In the present embodiment, when the unit positions of the element units are subjected to coordinate conversion, the amounts of shift of the unit positions of the element units in the terrain scene may be obtained by multiplying the unit positions of the element units by the unit grid size. For example, the first cell position is the position coordinates (3, 4) in table 1, the unit grid size is 2 m×2 m, i.e. the first cell position (3, 4) is shifted by 6 m in the first preset direction starting from the coordinates (0, 0) and 8 m in the second preset direction in the terrain scene, resulting in the world coordinates (6, 8) of the first cell position in the terrain scene. That is, the generation position of the terrain element located at the (3, 4) element unit in the terrain sketch file is (6, 8), in other words, the terrain element located at the (3, 4) element unit in the terrain sketch file performs texture filling and height adjustment on the grid with the position coordinates of (6, 8) in the terrain scene according to the texture feature and the height feature of the terrain element of the element unit. The above-described starting position of the virtual terrain in the affiliated terrain scene may be understood as position coordinates of a starting position used to generate the virtual terrain in the terrain scene. For example, the position coordinates of the start position may be coordinates (0, 0) in the terrain scene, that is, represent a virtual terrain corresponding to the generation of the terrain sketch file at the position where the coordinates in the terrain scene are (0, 0).
After determining the starting position of the virtual terrain generated in the terrain scene, the method for generating the virtual terrain grid region in the terrain scene may refer to the foregoing method for directly generating the virtual terrain grid region, which is not described herein again.
In an alternative specific embodiment, in the process of generating the terrain mesh area of the virtual terrain, when the terrain mesh area of the virtual terrain is larger than the size of the terrain scene taking the starting position coordinates as the starting point, the size of the terrain scene can be enlarged, so that the terrain scene can contain the virtual terrain corresponding to the terrain sketch file.
It will be appreciated that referring to fig. 4, a third input control of the start position coordinate may be displayed in the setting interface 41, and the electronic device receives the numerical value input by the user in the third input control in the graphical user interface, to obtain the start position coordinate.
In one embodiment, the foregoing setting interface 41 further includes a generation control, which is triggered to generate a generation instruction for the virtual terrain after the setting of the topographic feature, the starting position or the unit grid size of the topographic element through the foregoing setting interface is completed, and the electronic device generates the virtual terrain according to the acquired topographic feature of the topographic element and the topographic element in response to the generation instruction for the virtual terrain, and displays the virtual terrain in the graphical user interface. That is, after the user obtains the topographic sketch file through the topographic editor, the electronic device reads the identifiers of the topographic elements in the topographic sketch file, then displays the identifiers of the topographic elements in the setting interface 41, the user sequentially sets the texture feature, the height feature, the starting position coordinate and the unit grid size corresponding to the identifiers of each topographic element through the setting interface 41, and then, only the generating control 44 needs to be clicked to generate the virtual topography. It can be seen that, in this embodiment, when a virtual terrain is generated using a terrain sketch file, the terrain feature setting of the terrain element can be performed in a visualized manner, thereby generating a virtual terrain.
Thus, by describing the method provided by the embodiment, the virtual terrain generating method provided by the embodiment of the application can generate the virtual terrain based on the terrain sketch file in the planning stage, simplify the manufacturing process of the virtual terrain, reduce the use threshold of the terrain editor, and improve the generating efficiency of the virtual terrain, thereby improving the game development efficiency.
In addition, three-dimensional virtual terrain generated by a planner through the efficient virtual terrain generation method can intuitively feel the actual effect of the virtual terrain, and further, the terrain layout is optimized and adjusted, so that the virtual terrain generation efficiency can be improved, and the virtual terrain generation quality can be improved.
Corresponding to the virtual terrain generation method provided in the embodiment of the present application, the embodiment of the present application further provides a virtual terrain generation apparatus 600, as shown in fig. 6, including: an acquisition unit 601, a determination unit 602, and a generation unit 603;
the acquiring unit 601 is configured to acquire a topographic sketch file, where the topographic sketch file includes topographic elements that form a virtual topography;
the determining unit 602 is configured to determine a topography feature of the topography element;
The determining unit 602 is further configured to determine a terrain area to which the terrain element belongs in the virtual terrain;
the generating unit 603 is configured to adjust terrain data of the terrain area according to the terrain feature of the terrain element, so as to obtain the virtual terrain.
Optionally, the determining unit 602 is specifically configured to read a first unit location of an element unit that forms the terrain element in the terrain sketch file; generating a terrain grid region of the virtual terrain, wherein grid positions in the terrain grid region correspond to unit positions in the terrain sketch file; and searching a first grid position corresponding to the first unit position in the terrain grid region to obtain a terrain region to which the terrain element belongs in the virtual terrain.
Optionally, the obtaining unit 601 is further configured to read a scene file of a terrain scene to which the virtual terrain belongs;
the generating unit 603 is specifically configured to generate a terrain mesh area of the virtual terrain in the terrain scene.
Optionally, the determining unit 602 is specifically further configured to obtain a starting position coordinate of the virtual terrain in the terrain scene and a unit grid size of the virtual terrain; and generating a terrain grid area of the virtual terrain according to the initial position coordinates and the unit grid size.
Optionally, the determining unit 602 is specifically further configured to read the number of grids in a first preset direction and the number of grids in a second preset direction in the topographic sketch file, where the first preset direction and the second preset direction are perpendicular to each other; and generating a terrain grid region of the virtual terrain by taking the starting position as a starting point according to the unit grid size, the grid number of the first preset direction and the grid number of the second preset direction.
Optionally, the topographical features of the topographical element comprise textural features and/or height features.
The generating unit 603 is specifically configured to texture-fill the terrain area according to the texture feature, and/or adjust a terrain height of the terrain area according to the height feature.
Optionally, the apparatus 600 further comprises a display unit 604;
the display unit 604 is configured to display a graphical user interface through the terminal, where the graphical user interface displays a first input control of a topographic feature corresponding to the topographic element;
the determining unit 602 is further configured to receive a topographic feature of the topographic element input in the first input control of the graphical user interface.
Optionally, the display unit 604 is further configured to display a second input control with the unit grid size on the graphical user interface; the determining unit 602 is further configured to receive a unit grid size input in the second input control of the graphical user interface.
Optionally, the display unit 604 is further configured to display, on the graphical user interface, a third input control that is coordinated by the starting position; the determining unit 602 is further configured to receive a start position coordinate input in the third input control of the graphical user interface.
Corresponding to the virtual terrain generation method provided by the embodiment of the present application, the embodiment of the present application further provides an electronic device for generating a virtual terrain, as shown in fig. 7, where the electronic device includes: a processor 701; and a memory 702 for storing a program of the virtual topography generation method, the apparatus, after being powered on and running the program of the virtual topography generation method by a processor, performs the steps of:
obtaining a topographic sketch file, wherein the topographic sketch file comprises topographic elements forming a virtual topography;
determining a topographical feature of the topographical element;
determining a terrain area to which the terrain element belongs in the virtual terrain;
And adjusting the terrain data of the terrain area according to the terrain characteristics of the terrain elements to obtain the virtual terrain.
Corresponding to the virtual topography generation method provided in the embodiments of the present application, the embodiments of the present application further provide a computer readable storage medium storing a program of the virtual topography generation method, the program being executed by a processor to perform the steps of:
obtaining a topographic sketch file, wherein the topographic sketch file comprises topographic elements forming a virtual topography;
determining a topographical feature of the topographical element;
determining a terrain area to which the terrain element belongs in the virtual terrain;
and adjusting the terrain data of the terrain area according to the terrain characteristics of the terrain elements to obtain the virtual terrain.
It should be noted that, for the detailed description of the apparatus, the electronic device, and the computer readable storage medium provided in the embodiments of the present application, reference may be made to the related description of the method embodiments of the present application, which is not repeated here.
While the preferred embodiment has been described, it is not intended to limit the invention thereto, and any person skilled in the art may make variations and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be defined by the claims of the present application.
In one typical configuration, a computing device of a blockchain node includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
1. Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable operations, data structures, modules of the program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer readable media, as defined herein, does not include non-transitory computer readable media (transmission media), such as modulated data signals and carrier waves.
2. It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
While the preferred embodiment has been described, it is not intended to limit the invention thereto, and any person skilled in the art may make variations and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be defined by the claims of the present application.
Claims (13)
1. A method of virtual terrain generation, the method comprising:
obtaining a topographic sketch file, wherein the topographic sketch file comprises topographic elements forming a virtual topography;
determining a topographical feature of the topographical element;
determining a terrain area to which the terrain element belongs in the virtual terrain;
And adjusting the terrain data of the terrain area according to the terrain characteristics of the terrain elements to obtain the virtual terrain.
2. The method of claim 1, wherein said determining a terrain area to which said terrain element belongs in said virtual terrain comprises:
reading a first unit position of an element unit constituting the terrain element in the terrain sketch file;
generating a terrain grid region of the virtual terrain, wherein grid positions in the terrain grid region correspond to unit positions in the terrain sketch file;
and searching a first grid position corresponding to the first unit position in the terrain grid region to obtain a terrain region to which the terrain element belongs in the virtual terrain.
3. The method according to claim 2, wherein the method further comprises:
reading a scene file of a terrain scene to which the virtual terrain belongs;
the generating the terrain mesh area of the virtual terrain includes:
a terrain mesh region of the virtual terrain is generated in the terrain scene.
4. The method of claim 2, wherein the generating the terrain mesh region of the virtual terrain comprises:
Acquiring the initial position of the virtual terrain and the unit grid size of the virtual terrain;
and generating a terrain grid area of the virtual terrain according to the starting position and the unit grid size.
5. The method of claim 4, wherein generating a terrain mesh region corresponding to the virtual terrain based on the starting location and a unit mesh size of the virtual terrain comprises:
reading the number of cells in a first preset direction and the number of cells in a second preset direction in the topographic sketch file, wherein the first preset direction and the second preset direction are mutually perpendicular;
and generating a terrain grid area of the virtual terrain by taking the starting position as a starting point according to the unit grid size, the number of cells in the first preset direction and the number of cells in the second preset direction.
6. A method according to any one of claims 1 to 5, wherein the topographical features of the topographical element comprise textural features and/or height features.
7. The method of claim 6, wherein said adjusting terrain data for said terrain area based on terrain features of said terrain elements comprises:
And carrying out texture filling on the terrain area according to the texture characteristics, and/or adjusting the terrain height of the terrain area according to the height characteristics.
8. The method of claim 1, wherein a graphical user interface is displayed through the terminal, the graphical user interface displaying a first input control having a topographical feature of the topographical element; the determining the topographical features of the topographical element comprises:
a topographical feature of the topographical element input in the first input control of the graphical user interface is received.
9. The method of claim 5, wherein a graphical user interface is displayed through the terminal, the graphical user interface displaying the second input control of unit mesh size; the determining the unit mesh size of the virtual terrain includes:
a unit cell size entered in the second input control of the graphical user interface is received.
10. The method of claim 4, wherein a graphical user interface is displayed through the terminal, the graphical user interface displaying a third input control of the starting position coordinates; acquiring initial position coordinates of the virtual terrain in the affiliated terrain scene, wherein the initial position coordinates comprise:
A starting position coordinate entered in the third input control of the graphical user interface is received.
11. A virtual terrain generating apparatus, the apparatus comprising: an acquisition unit, a determination unit and a generation unit;
the acquisition unit is used for acquiring a topographic sketch file, wherein the topographic sketch file comprises topographic elements forming a virtual topography;
the determining unit is used for determining the topographic features of the topographic elements;
the determining unit is further used for determining a terrain area to which the terrain element belongs in the virtual terrain;
the generating unit is used for adjusting the terrain data of the terrain area according to the terrain characteristics of the terrain elements to obtain the virtual terrain.
12. An electronic device, comprising:
a processor; and
a memory for storing a data processing program, the electronic device being powered on and executing the program by the processor, to perform the method of any one of claims 1 to 10.
13. A computer readable storage medium, characterized in that a data processing program is stored, which program is run by a processor, performing the method according to any of claims 1-10.
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