... Color+=cD*nLight0*LightClr0*LightInt0+cD*nLight1*LightClr1*LightInt1+cD*nLight2*LightClr2*LightInt2+cD*nLight3*LightClr3*LightInt3+cD*nLight4*LightClr4*LightInt4-AmbientClr; ...