Reflections

  
	glColorMask(0,0,0,0);								// Set Color Mask

	glEnable(GL_STENCIL_TEST);							// Enable Stencil Buffer For "marking" The Floor

	glStencilFunc(GL_ALWAYS, 1, 1);						// Always Passes, 1 Bit Plane, 1 As Mask

	glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);			// We Set The Stencil Buffer To 1 Where We Draw Any Polygon

														// Keep If Test Fails, Keep If Test Passes But Buffer Test Fails

														// Replace If Test Passes

	glDisable(GL_DEPTH_TEST);							// Disable Depth Testing

	glClear( GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
 	cSceneData::GetInstance()->m_Quad.Render();

//

	glEnable(GL_DEPTH_TEST);							// Enable Depth Testing

	glColorMask(1,1,1,1);								// Set Color Mask to TRUE, TRUE, TRUE, TRUE

	glStencilFunc(GL_EQUAL, 1, 1);						// We Draw Only Where The Stencil Is 1

														// (I.E. Where The Floor Was Drawn)

	glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);				// Don''t Change The Stencil Buffer

	glEnable(GL_CLIP_PLANE0);							// Enable Clip Plane For Removing Artifacts

														// (When The Object Crosses The Floor)

	glClipPlane(GL_CLIP_PLANE0, eqr);					// Equation For Reflected Objects

	glPushMatrix();										// Push The Matrix Onto The Stack

		glMultMatrixf(reflectionmatrix);
		cSceneData::GetInstance()->m_Box.Render();
	glPopMatrix();										// Pop The Matrix Off The Stack

	glDisable(GL_CLIP_PLANE0);							// Disable Clip Plane For Drawing The Floor

	glDisable(GL_STENCIL_TEST);							// We Don''t Need The Stencil Buffer Any More (Disable)



	glEnable(GL_BLEND);									// Enable Blending (Otherwise The Reflected Object Wont Show)

	glDisable(GL_LIGHTING);								// Since We Use Blending, We Disable Lighting

	glColor4f(1.0f, 1.0f, 1.0f, 0.8f);					// Set Color To White With 80% Alpha

	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);	// Blending Based On Source Alpha And 1 Minus Dest Alpha

	cSceneData::GetInstance()->m_Quad.Render();
	
	glEnable(GL_LIGHTING);								// Enable Lighting

	glDisable(GL_BLEND);								// Disable Blending

 	cSceneData::GetInstance()->m_Box.Render();