generateCubeUVSize method
dynamic
generateCubeUVSize(
- dynamic parameters
Implementation
generateCubeUVSize(parameters) {
var imageHeight = parameters.cubeUVHeight;
if (imageHeight == null) return null;
int maxMip = Math.log2(imageHeight).toInt() - 2;
var texelHeight = 1.0 / imageHeight;
var texelWidth = 1.0 / (3 * Math.max(Math.pow(2, maxMip), 7 * 16));
return {"texelWidth": texelWidth, "texelHeight": texelHeight, "maxMip": maxMip};
}