Phong Lighting Code

Phong Lighting

For a given material and lighting conditions,
the rendering of a sphere results in a normal-indexed Lighting Table


					
						glMatrixMode( GL_TEXTURE );

					

					
						 glLoadIdentity();

					
						
							glScalef( .5, .5, .5 );

						
							glTranslatef( 1., 1., 0. );

					
					
						glMultMatrixf( model.rotMat );


					
						glMatrixMode( GL_PROJECTION );

					

					
						glLoadIdentity();

					
						glFrustum
					/
					
						glOrtho( l, r, b, t, n, f );

					

					

					
						glMatrixMode( GL_MODELVIEW );

					
						glLoadIdentity();

					

					

					
						glTranslatef( 0., 0., -model.dist );

					

					
						glTranslate( +ctr.x, +ctr.y, +ctr.z );

					
						glMultMatrixf( model.rotMat );

					
						glTranslatef( -ctr.x, -ctr.y, -ctr.z );


	
		glTexCoord3fv( normal_coordinates* );
	

	
		glVertex3fv( vertex_coordinates );