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float3 TransformObjectToTangent(float3 dirOS, float3 worldToTangent[3]) |
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{ |
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// TODO check: do we need to normalize ? |
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//return normalize(mul(float3x3(worldToTangent[0].xyz, worldToTangent[1].xyz, worldToTangent[2].xyz), mul((float3x3)unity_ObjectToWorld, dirOS))); |
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return normalize(mul(float3x3(worldToTangent[0].xyz, worldToTangent[1].xyz, worldToTangent[2].xyz), mul((float3x3)unity_WorldToObject, dirOS))); |
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return normalize(mul(float3x3(worldToTangent[0].xyz, worldToTangent[1].xyz, worldToTangent[2].xyz), mul((float3x3)unity_ObjectToWorld, dirOS))); |
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} |
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#endif // UNITY_SHADER_VARIABLES_INCLUDED |
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