Ground surface modifier drawing optimizing method
An optimization method and modification technology, applied in image data processing, 3D modeling, instruments, etc., can solve problems such as slow sorting, achieve the effects of improving efficiency, preventing GPU waiting, and improving drawing efficiency
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[0022] one A drawing optimization method for ground surface modifiers, which provides an alpha channel for adjusting grass with noise texture, and uses alpha testing technology to draw; since the ground surface modifier is different from the distance of the camera, the effect of each modifier is different, by adjusting the alpha The threshold value of the test is linearly interpolated according to the distance to achieve better results; and in order to ensure the batch drawing, this value is stored in an apha map corresponding to the surface modification number one by one, and the shader is used to Perform batch surface modifier painting.
[0023] The steps of the drawing optimization method of the surface modifier are as follows:
[0024] (1) Number all surface modifications in the terrain;
[0025] (2) Store the adjusted alpha in the vertex stream;
[0026] (3) According to the desired drawing effect, make a noise texture to adjust the alpha channel of the grass;
[0027...
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