#Is this possible to fix?

3 messages · Page 1 of 1 (latest)

frail iris
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I've been messing with shadows cast both by and on curved surfaces (PlaneGeometry with modified z-index) and the result is this checkerboard look. Is this possible to fix or am I hitting one of the limitations with shading that are alluded to in the docs?

frail iris
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Maybe I need to duplicate the surface such that one is transparent and casts shadows and the other is opaque and receives shadows? 🤔

dusk temple
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Hello. What do you mean by "PlaneGeometry with modified z-index"? Z-index is a CSS property and has nothing to do with Three.js. From the screenshot it looks like some heights are varying so quickly that the shadow looks like that of a staircase (especially the ones close to us). Or it can be that the normals of those black regions are not calculated correctly.