triangleNormal

calculate normal for triangle

  1. vec3 triangleNormal(vec3 p1, vec3 p2, vec3 p3)
  2. vec3 triangleNormal(float[3] p1, float[3] p2, float[3] p3)
    triangleNormal
    (
    float[3] p1
    ,
    float[3] p2
    ,
    float[3] p3
    )

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