#define PHYSICAL varying vec3 vViewPosition; #ifndef FLAT_SHADED varying vec3 vNormal; #endif #include #include #include #include #include #include #include #include #include #include #include void main() { #include #include #include #include #include #include #include #include #ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED vNormal = normalize( transformedNormal ); #endif #include #include #include #include #include #include #include vViewPosition = - mvPosition.xyz; #include #include }