playcanvas

Version:

PlayCanvas WebGL game engine

22 lines (20 loc) • 724 B

JavaScript

var bakeDirLmEndPS = `
	let dirLm = textureSample(texture_dirLightMap, texture_dirLightMapSampler, vUv1);
	if (uniform.bakeDir > 0.5) {
		if (dAtten > 0.00001) {
			let unpacked_dir = dirLm.xyz * 2.0 - vec3f(1.0);
			dAtten = clamp(dAtten, 0.0, 1.0);
			let combined_dir = dLightDirNormW.xyz * dAtten + unpacked_dir * dirLm.w;
			let finalRgb = normalize(combined_dir) * 0.5 + vec3f(0.5);
			let finalA = max(dirLm.w + dAtten, 1.0 / 255.0);
			output.color = vec4f(finalRgb, finalA);
		} else {
			output.color = dirLm;
		}
	} else {
		let alpha_min = select(0.0, 1.0 / 255.0, dAtten > 0.00001);
		let finalA = max(dirLm.w, alpha_min);
		output.color = vec4f(dirLm.rgb, finalA);
	}
`;

export { bakeDirLmEndPS as default };