Method DrawSegment

code/cgame/FxPrimitives.cpp:2105–2180

----------------------------

//----------------------------
void CBezier::DrawSegment( vec3_t start, vec3_t end, float texcoord1, float texcoord2 )
{
	vec3_t			lineDir, cross, viewDir;
	static vec3_t	lastEnd[2];
	polyVert_t		verts[4];
	float			scale;

	VectorSubtract( end, start, lineDir );
	VectorSubtract( end, cg.refdef.vieworg, viewDir );
	CrossProduct( lineDir, viewDir, cross );
	VectorNormalize( cross );

	scale = mRefEnt.radius * 0.5f;

	//Construct the oriented quad
	if ( mInit )
	{
		VectorCopy( lastEnd[0], verts[0].xyz );
		VectorCopy( lastEnd[1], verts[1].xyz );
	}
	else
	{
		VectorMA( start, -scale, cross, verts[0].xyz );
		VectorMA( start, scale, cross, verts[1].xyz );
	}

	verts[0].st[0] = 0.0f;
	verts[0].st[1] = texcoord1;

	verts[0].modulate[0] = mRefEnt.shaderRGBA[0] * ( 1.0f - texcoord1 );
	verts[0].modulate[1] = mRefEnt.shaderRGBA[1] * ( 1.0f - texcoord1 );
	verts[0].modulate[2] = mRefEnt.shaderRGBA[2] * ( 1.0f - texcoord1 );
	verts[0].modulate[3] = mRefEnt.shaderRGBA[3];

	verts[1].st[0] = 1.0f;
	verts[1].st[1] = texcoord1;
	verts[1].modulate[0] = mRefEnt.shaderRGBA[0] * ( 1.0f - texcoord1 );
	verts[1].modulate[1] = mRefEnt.shaderRGBA[1] * ( 1.0f - texcoord1 );
	verts[1].modulate[2] = mRefEnt.shaderRGBA[2] * ( 1.0f - texcoord1 );
	verts[1].modulate[3] = mRefEnt.shaderRGBA[3];

	if ( texcoord1 == 0.0f )
	{
		verts[0].modulate[0] = 0;
		verts[0].modulate[1] = 0;
		verts[0].modulate[2] = 0;
		verts[0].modulate[3] = 0;
		verts[1].modulate[0] = 0;
		verts[1].modulate[1] = 0;
		verts[1].modulate[2] = 0;
		verts[1].modulate[3] = 0;
	}

	VectorMA( end, scale, cross, verts[2].xyz );
	verts[2].st[0] = 1.0f;
	verts[2].st[1] = texcoord2;
	verts[2].modulate[0] = mRefEnt.shaderRGBA[0] * ( 1.0f - texcoord2 );
	verts[2].modulate[1] = mRefEnt.shaderRGBA[1] * ( 1.0f - texcoord2 );