Function FX_AddPoly

code/cgame/FxUtil.cpp:1120–1188

------------------------- FX_AddPoly -------------------------

//  FX_AddPoly
//-------------------------
CPoly *FX_AddPoly( vec3_t *verts, vec2_t *st, int numVerts,
							vec3_t vel, vec3_t accel,
							float alpha1, float alpha2, float alphaParm,
							vec3_t rgb1, vec3_t rgb2, float rgbParm,
							vec3_t rotationDelta, float bounce, int motionDelay,
							int killTime, qhandle_t shader, int flags )
{
	if ( theFxHelper.mFrameTime < 1 || !verts )
	{ // disallow adding effects when the system is paused or the user doesn't pass in a vert array
		return 0;
	}

	CPoly *fx = new CPoly;

	if ( fx )
	{
		// Do a cheesy copy of the verts and texture coords into our own structure
		for ( int i = 0; i < numVerts; i++ )
		{
			VectorCopy( verts[i], fx->mOrg[i] );
			VectorCopy2( st[i], fx->mST[i] );
		}

		fx->SetVel( vel );
		fx->SetAccel( accel );

		// RGB----------------
		fx->SetRGBStart( rgb1 );
		fx->SetRGBEnd( rgb2 );

		if (( flags & FX_RGB_PARM_MASK ) == FX_RGB_WAVE )
		{
			fx->SetRGBParm( rgbParm * PI * 0.001f );
		}
		else if ( flags & FX_RGB_PARM_MASK )
		{
			// rgbParm should be a value from 0-100..
			fx->SetRGBParm( rgbParm * 0.01f * killTime + theFxHelper.mTime );
		}

		// Alpha----------------
		fx->SetAlphaStart( alpha1 );
		fx->SetAlphaEnd( alpha2 );

		if (( flags & FX_ALPHA_PARM_MASK ) == FX_ALPHA_WAVE )
		{
			fx->SetAlphaParm( alphaParm * PI * 0.001f );
		}
		else if ( flags & FX_ALPHA_PARM_MASK )
		{
			fx->SetAlphaParm( alphaParm * 0.01f * killTime + theFxHelper.mTime );
		}

		fx->SetFlags( flags );
		fx->SetShader( shader );
		fx->SetRot( rotationDelta );
		fx->SetElasticity( bounce );
		fx->SetMotionTimeStamp( motionDelay );