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Update envmap_fragment.glsl #11508

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Jun 14, 2017
Merged

Update envmap_fragment.glsl #11508

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2 changes: 1 addition & 1 deletion src/renderers/shaders/ShaderChunk/envmap_fragment.glsl
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@
#elif defined( ENVMAP_TYPE_EQUIREC )

vec2 sampleUV;
sampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );
sampleUV.y = asin( flipNormal * reflectVec.y) * RECIPROCAL_PI + 0.5;
sampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;
vec4 envColor = texture2D( envMap, sampleUV );

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