@animech-public/playcanvas
Version:
PlayCanvas WebGL game engine
2 lines (1 loc) • 1.14 kB
JavaScript
var a="\nconst float maxCascades = 4.0;\nmat4 cascadeShadowMat;\nvoid getShadowCascadeMatrix(mat4 shadowMatrixPalette[4], float shadowCascadeDistances[4], float shadowCascadeCount) {\n\tfloat depth = 1.0 / gl_FragCoord.w;\n\tfloat cascadeIndex = 0.0;\n\tfor (float i = 0.0; i < maxCascades; i++) {\n\t\tif (depth < shadowCascadeDistances[int(i)]) {\n\t\t\tcascadeIndex = i;\n\t\t\tbreak;\n\t\t}\n\t}\n\tcascadeIndex = min(cascadeIndex, shadowCascadeCount - 1.0);\n\t#ifdef GL2\n\t\tcascadeShadowMat = shadowMatrixPalette[int(cascadeIndex)];\n\t#else\n\t\tif (cascadeIndex == 0.0) {\n\t\t\tcascadeShadowMat = shadowMatrixPalette[0];\n\t\t}\n\t\telse if (cascadeIndex == 1.0) {\n\t\t\tcascadeShadowMat = shadowMatrixPalette[1];\n\t\t}\n\t\telse if (cascadeIndex == 2.0) {\n\t\t\tcascadeShadowMat = shadowMatrixPalette[2];\n\t\t}\n\t\telse {\n\t\t\tcascadeShadowMat = shadowMatrixPalette[3];\n\t\t}\n\t#endif\n}\nvoid fadeShadow(float shadowCascadeDistances[4]) {\t\t\t\t \n\tfloat depth = 1.0 / gl_FragCoord.w;\n\tif (depth > shadowCascadeDistances[int(maxCascades - 1.0)]) {\n\t\tdShadowCoord.z = -9999999.0;\n\t}\n}\n";export{a as default};