playcanvas

Version:

PlayCanvas WebGL game engine

14 lines (12 loc) • 456 B

JavaScript

var parallaxPS = `
uniform float material_heightMapFactor;
void getParallax() {
	float parallaxScale = material_heightMapFactor;
	float height = texture2DBias({STD_HEIGHT_TEXTURE_NAME}, {STD_HEIGHT_TEXTURE_UV}, textureBias).{STD_HEIGHT_TEXTURE_CHANNEL};
	height = height * parallaxScale - parallaxScale * 0.5;
	vec3 viewDirT = dViewDirW * dTBN;
	viewDirT.z += 0.42;
	dUvOffset = height * (viewDirT.xy / viewDirT.z);
}
`;

export { parallaxPS as default };