GLM::vec4 union names

glmvec4.cpp

#			   if(GLM_COMPONENT == GLM_COMPONENT_ONLY_XYZW)
						 value_type x, y, z, w;
#			   elif(GLM_COMPONENT == GLM_COMPONENT_MS_EXT)
						union 
						{
								struct{value_type x, y, z, w;};
								struct{value_type r, g, b, a;};
								struct{value_type s, t, p, q;};
						};
#			   else//(GLM_COMPONENT == GLM_COMPONENT_GLSL_NAMES)
						union {value_type x, r, s;};
						union {value_type y, g, t;};
						union {value_type z, b, p;};
						union {value_type w, a, q;};
#			   endif//GLM_COMPONENT