A function added by MGE XE.
MGEShaderSetVector sets vector values for a shader variable in MGE XE shader chain. Shader name is case sensitive.
MGEShaderSetVector shader(string) varname(string) value(float) value(float) value(float) value(float)
MGEEnableShaderMGEDisableShaderMGEShaderSetLongMGEShaderSetFloat