TW530196B - Method for assuring the perspective relation of an object on a screen - Google Patents

Abstract

The disclosed method for assuring the perspective relation of an object on a screen in accordance with the present invention includes the steps of: first setting a pixel value of a screen; next, calculating the maximum object perspective relation value capable of being displayed by the screen; assuring that the motion status of an object is dynamic; finally, calculating the object perspective relation value of the object, so as to assure the perspective position of the object on the screen. Therefore, the present invention can automatically control the dynamic perspective relation of a motion object on the screen without making and editing the definition document of the perspective relation, thereby reducing the internal storage space occupied by the excessive data, increasing the working efficiency and saving the working cost.

Description

530196 V. Description of the invention (1) [Field of the invention] The present invention is a method for determining the perspective relationship of objects, especially a method applied to the perspective relationship of objects displayed on a screen. '[Background of the Invention] At present, objects on computer screens Perspective relationship, usually use a perspective relationship definition file to record and control the perspective relationship of an object, that is, to describe the perspective relationship of an object in the perspective relationship definition file, and then use these perspective relationship definition files for processing, but currently This method has the following disadvantages: 1. The above method can only reflect the perspective relationship of a fixed object on the screen, but it has certain difficulties in grasping the dynamic perspective relationship of objects that are moving in the screen. degree. 2. For each different object, a different perspective relationship definition file must be used to describe its perspective relationship. In this way, it will increase the amount of redundant data and occupy a lot of memory space. Therefore, providing a method for determining the perspective relationship of an object on the screen does not need to write and apply a perspective relationship definition file that occupies a lot of memory space. The occupied memory space, in addition, can automatically control the dynamic perspective relationship of moving objects in the screen. [Objective and Summary of the Invention] The main object of the present invention is to provide a method for determining the perspective relationship of objects in a screen, so as to automatically control the dynamic perspective relationship of moving objects in the screen.

530196 V. Description of the invention (2) Another object of the present invention is to provide a method that can eliminate the need for memory and reduce the memory. Another object is to provide a perspective relationship to reduce the redundant pieces of the perspective relationship of the invention. The efficiency of the production of the play is based on this method, and the value of the pixel table is independent and the pixel value of only one object is determined by the perspective value of the fixed object. In order to make the understanding, here are the implementation of the detailed data such as the "method" and therefore the method, and therefore avoid the use of time and save labor in the process of manually viewing the relationship. The disclosure includes the following steps: It is a small box of a computer image with a variety of colors; the value is connected, that is, 'to make the screen display the state of movement, such as the detailed description of the eye-catching icon of the present invention] [picture 1] It is even more complicated without the need for pre-operation, which can save operating costs. Steps on the screen: First, the smallest in the image has its fixed and moving, the calculation should use the height of the screen to show the largest one is dynamic; the most certain of this object is in the screen to determine the object < for perspective relationship Define files, use of space. Determine the object in the opening screen < first perform the perspective relationship definition step 'especially here, such as: in the development time of the game on a large computer, set the perspective of the object to set a single clear screen The height of the screen divided by the object's transparency is counted at one position, one position on the screen, and the degree of display and the value of the previous pixel value are calculated as each pixel of the pixel's transparency relationship in the object screen. The largest description of the design calculations, and further confirm the object's position, structural characteristics and functions are further explained as follows: 'In the glory of the disclosure disclosed by the present invention

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Page 5 530196 V. Description of the invention (3) "The method of meaning perspective relationship" includes the following steps: First, let L be the pixel value (step 100), and the pixels are in the computer image and are unit ... Each pixel represents an independent small square with its exact position and each pixel has only one color; then, two or two, the largest object perspective relationship value (z value) that can be displayed (steps) m: In the McCaw "Picture 2", the direction of the perspective relationship of the objects on this screen is y ® · ^ \ he > the direction (X, Y) is not intended, and what is said in this step is to use the screen The height of the external contour and the pixel value set above, 乂 4 calculates the degree of the golden screen divided by the pixel value, and then obtains the largest object perspective relationship value (2 values) that can be displayed on the screen; then determine The motion state of an object appearing on the screen is dynamic (step 300); finally, calculate the object's perspective relationship value (Z value) of the object to determine the perspective position of the object on the screen (step 4) 〇〇). As shown in "Figure 3", where steps 1Q0 and steps 20Q is the same as that shown in "Figure 2", and if the result of step 3 0 0 is yes, step 4 0 0 further includes calculating the vertical coordinate value (γ value) of the bottom edge of the object (step 4 0 1 ), And then perform the step of determining the projection calculation (step 4 〇 2), if so, add the vertical coordinate value (threshold value) of the bottom edge of the far object plus the distance from the bottom edge of the object to the image displayed on the screen After the height (threshold value) of the ground, divide it by the screen size (the screen size is the basic unit of the camp according to the needs) to obtain a value, and then use the maximum object perspective relationship calculated in the previous step 2000 Value (Z value) minus this value, which is the object perspective relationship value (Z value) of the object (step 403) (that is, ζ-(Y + Η) / screen granularity), so The calculated result can marry the object

Page 6 530196 V. Description of the invention (4) In the perspective position in the image, if not, the maximum object perspective relationship value (z value) is subtracted from the vertical coordinate value (γ value) of the bottom edge of the object, divided by Taking the result of the pixel value of the screen (step 404) (that is, z-γ / pixel value), the same f 'is the object perspective relationship value (ζ value) of the object, so that the known result can be determined by calculating the known result. The perspective position of the object in the image. The same 'as shown in "Figure 3", where steps 100 and 200 are the same as those shown in "Figure 2," and if the result of step 3 is no, it is also the object. When the motion state is static, step 400 also includes a step of determining the need for projection calculation (step 4 02). If so, add the vertical coordinate value (threshold value) of the bottom edge of the object plus the distance from the bottom edge of the object. The height (threshold value) of the ground in the image displayed on the screen is divided by the screen granularity to obtain a value, and then the maximum perspective value (Z value) of the object calculated in step 200 is used. The result obtained by subtracting this value is the object perspective relationship value (Z value) of the object (step 403) (that is, Z- (Υ + Η) / screen granularity), so the result obtained by such calculation can be determined The perspective position of the object in the image, if not, the result of dividing the vertical coordinate value (γ value) of the bottom edge of the object by the maximum object perspective relationship value (ζ value), divided by the pixel value of the screen ( Step 4〇4) (i.e., Z-Υ / pixel value), Kind of 'namely, a perspective relationship value (value [zeta]) of the object for the object, the thus obtained calculation result i.e. the position of the object can be determined in a perspective image. In addition, as shown in "Figure 4A", the first perspective relationship between Object-1 and Object-20 appears at the beginning, which means that Object-1 is located behind Object-2 and Object-1 is The maximum object perspective relationship value (ζ value) of the object is greater than the maximum object perspective relationship value (ζ value) of the object 20, and

Page 7 530196 V. Description of the invention (5) The coordinates of the upper left corner are (XO, Y0) and (XI, Y1), and the vertical coordinate values (Y value) of the bottom edge of object one 10 and object two 20 are Y0, respectively. ', Y1', and then according to the aforementioned formula: z = (screen height / screen pixel value)-(Y '/ screen pixel value) to obtain the maximum object perspective relationship value of two objects 1 0 and 20, respectively, The correct display relationship between the two objects 10 and 20 is obtained. In addition, if the second object 20 is moved to the position 2 01 after the second object in the "4B image", it is also necessary to go through the above steps to recalculate the maximum object perspective relationship value of the subsequent position ( Z value), so as to get a new and correct display relationship. As shown in "Figure 5", the method for determining the perspective relationship of a dynamic object on the screen according to the present invention includes the following steps: First, set a pixel value of a screen (step 1 0 0), and A pixel is the smallest constituent unit in a computer image. A pixel represents an independent small square with a fixed and clear position, and each pixel has only one color. Then, calculate the largest object perspective relationship that the screen can display. Value (Z value) (step 2 0 0), please refer to the diagram in Figure 2 for the perspective relationship between objects on the screen and the direction (Z) and other directions (X, Υ). It is to use the height of the outer contour of the screen and the previously set pixel value to calculate the screen height divided by the pixel value, and then obtain the largest object perspective relationship value (Z value) that the screen can display. ; Finally, calculate the object perspective relationship value (Z value) of this object to determine the perspective position of this object on the screen (step 4 0). The reason this process lacks step 3 of the above process is that the process is applied to dynamic objects, so

Page 8 530196 V. Description of the invention (6) It is not necessary to determine that the motion state of an object is dynamic. As shown in "Figure 6", where steps 100 and 200 are the same as those shown in "Figure 2", and step 400 also includes calculating the vertical coordinate value of the bottom edge of the object (Y Value) (step 401), and then perform the step of determining the projection difference (step 4 0 2). If so, add the vertical coordinate value (Y value) of the bottom edge of the object plus the distance from the bottom edge of the object to the display After the height (threshold value) of the ground in the image on the screen, divide it by the screen granularity to get a value, and then use the maximum object perspective relationship value (ζ value) calculated in step 2 〇 to subtract this The result obtained by this value is the object's perspective relationship value (Z value) of the object (step 40 3) (that is, ζ_ (υ + η) / screen granularity), so the calculated result can determine whether the object is in If the perspective position in the image is otherwise the result of the dare-to-be-large object perspective relationship value (Z value) minus the vertical coordinate value (Υ value) of the bottom edge of the object, divided by the pixel value of the screen (step 4 0 4) (That is, ζ-γ / pixel value), the same, this is the object Perspective relationship value (value [zeta]), the results obtained thus calculated may be determined, i.e. away perspective view of the position of the object in the image. [Achieved effect] The method for determining the perspective relationship of objects in the screen of the present invention can provide the following effects: / 1 · The present invention can automatically control the dynamic perspective relationship of moving objects in the screen. 2. The present invention can eliminate the need to make a perspective relationship definition file, thereby reducing the amount of redundant data and reducing the use of memory space. 3. The present invention does not need to edit the perspective relationship definition file in advance

530196 V. Description of the invention (7) Write and avoid the tedious steps of manual operation, especially in the case of dealing with large perspective relations, such as: when used in the process of large computer games, you can save the game Develop time, improve efficiency, and save work costs. The above are only the preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention; that is, all equivalent changes and modifications made in accordance with the application scope of the present invention are the objects measured in the scope of the invention patent. The heightening work of drama has been covered by patents. 530196 Brief description of drawings Figure 1 is a flowchart of the present invention. Figure 2 is a schematic diagram of the perspective relationship direction, other directions, and position of the object on the screen. Figure 3 is a detailed flowchart of step 400 in Figure 1. Figures 4A and 4B are examples of the present invention. FIG. 5 is another flowchart of the present invention. Figure 6 is a detailed flowchart of step 400 in Figure 5. [Illustration of graphical symbols] Object 1 1 0 Object 2 2 0 Position 2 0 1 after object 2

Claims (1)

530196 VI. Scope of patent application 1. A method for determining the perspective relationship of objects on a screen, which includes the following steps: setting a pixel value of a screen; calculating the maximum object perspective relationship value that the screen can display; determining A motion state of an object appearing on the screen is dynamic; and an object's perspective relationship value of the object is calculated to read the perspective position of the object on the screen. 2. The method for determining the perspective relationship of objects on the screen as described in item 1 of the scope of the patent application, wherein the step of calculating the maximum object perspective relationship value that can be displayed on the screen is to use the height of the screen and The pixel value set in the previous step is calculated by dividing the height of the screen by the pixel value to obtain the largest object perspective relationship value that the screen can display. 3. The method for determining the perspective relationship of an object on the screen as described in item 1 of the scope of the patent application, wherein the step of calculating the perspective relationship value of the object of the object further includes the following steps: Calculating the vertical coordinate value of the bottom edge of the object; And it is determined that a projection calculation is required. 4. The method for determining the perspective relationship of an object on the screen as described in item 3 of the scope of the patent application, wherein when the result of the projection calculation step is required for the determination, the maximum object perspective relationship value is subtracted from the aforementioned value. The vertical coordinate value of the bottom edge of the object plus the height of the bottom edge of the object from the ground in the image displayed on the screen, and then divided by the number of screen granularity r 11 Μ II page 12 530196 6. Value of patent application scope. 5. The method for determining the perspective relationship of an object on the screen as described in item 3 of the scope of the patent application, wherein when the result of the determination that requires a projection calculation step is No, the value of the foregoing maximum object perspective relationship is subtracted from this value. The vertical coordinate value of the bottom edge of the object divided by the pixel value of the screen. 6. The method for determining the perspective relationship of an object on a screen as described in item 1 of the scope of the patent application, wherein when determining the motion state of an object appearing on the screen is a dynamic step, the motion state of the object is static , The step of calculating the object perspective relationship value of the object further includes a step of determining that a projection calculation is required. 7. The method for determining the perspective relationship of an object on the screen as described in item 6 of the scope of the patent application, wherein when the result of the projection calculation step is required to be determined, the value of the foregoing maximum object perspective relationship minus the The vertical coordinate value of the bottom edge of the object is added to the height of the bottom edge of the object from the ground in the image displayed on the screen, and then divided by the value of the screen granularity. 8. The method for determining the perspective relationship of an object on the screen as described in item 6 of the scope of the patent application, wherein when the result of the determination that requires a projection calculation step is No, the value of the aforementioned maximum object perspective relationship is subtracted from the The vertical coordinate value of the bottom edge of the object divided by the pixel value of the screen. 9. A method for determining the perspective relationship of a dynamic object on a screen, which includes the following steps: setting a pixel value of a screen; calculating the largest object perspective relationship value that the screen can display; Page 13 530196 VI. Scope of patent application and calculate the object's perspective relationship value 5 of the object to determine the perspective position of the object on the screen. 10. The method for determining the perspective relationship of a dynamic object on a screen as described in item 9 of the scope of the patent application, wherein the step of calculating the maximum object perspective relationship value that can be displayed on the screen uses the height of the screen and the previous The pixel value set in one step is calculated by dividing the height of the screen by the pixel value to obtain the largest object perspective relationship value that the screen can display. 11. The method for determining a perspective relationship of a dynamic object on a screen as described in item 9 of the scope of the patent application, wherein the step of calculating the perspective relationship value of the object further includes the following steps: calculating a vertical coordinate value of a bottom edge of the object; And it is determined that a projection calculation is required. 1 2. The method for determining the perspective relationship of a dynamic object on the screen as described in item 11 of the scope of the patent application, wherein when the determination requires a projection calculation step to be YES, the aforementioned maximum object perspective relationship value is used Subtract the vertical coordinate value of the bottom edge of the object plus the height of the bottom edge of the object from the ground in the image displayed on the screen, and divide by the value of the screen granularity. 1 3. The method for determining the perspective relationship of a dynamic object on the screen as described in item 11 of the scope of the patent application, wherein when the result of the determination that requires a projection calculation step is NO, the aforementioned maximum object perspective relationship value is subtracted. Divide the vertical coordinate value of the bottom edge of the object by the value of the pixel value of the screen. Page 14