streets-gl
webgl-dunes
| streets-gl | webgl-dunes | |
|---|---|---|
| 16 | 1 | |
| 551 | 35 | |
| - | - | |
| 7.5 | 0.0 | |
| 23 days ago | 9 months ago | |
| TypeScript | TypeScript | |
| MIT License | MIT License |
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streets-gl
webgl-dunes
-
Rendering dunes terrain in WebGL
To examine how objects are rendered, you can take a look at drawScene() method in DunesRenderer.ts — first we render depth map to texture (this is needed for soft particles), then render on-screen objects in front-to-back order (first closest and largest objects, then distant) to efficiently utilize z-buffer culling. Terrain in the scene is represented as a single square tile. Its polycount is reduced to 31k faces in order not to split geometry and to draw it with a single draw call. This polycount produces a reasonably good quality. However, its area is not quite large enough to create a feel of infinite sand desert — when the camera is placed slightly above terrain boundaries of square terrain its limits are clearly visible:
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