Method AddMiterJoint

trinity/Sprite2d/Tr2Sprite2dLineTrace.cpp:637–740

}

void Tr2Sprite2dLineTrace::AddMiterJoint(
	Tr2Sprite2dScene* renderer,
	float capAngleTo,
	Tr2Sprite2dVertexBase v2,
	Tr2Sprite2dVertexBase v3,
	Vector2 normal,
	Color color,
	bool isAA,
	float pixelWidthInTexels,
	float halfWidth )
{
	uint16_t fanBase;
	Vector2 basePoint, topPoint;
	auto fanVertexBase = m_renderVertices.size();
	float sign = 1.0f;

	// Determine fan base point
	if( capAngleTo < 0.0f )
	{
		fanBase = 2 + (uint16_t)fanVertexBase - 4;
		basePoint = v2.position.GetXY();
		topPoint = v3.position.GetXY();
		sign = -1.0f;
	}
	else if( capAngleTo > 0.0f )
	{
		fanBase = 3 + (uint16_t)fanVertexBase - 4;
		basePoint = v3.position.GetXY();
		topPoint = v2.position.GetXY();
	}

	// calculate joint angle
	float startAngle = atan2( normal.y, normal.x );
	float endAngle = startAngle + capAngleTo;

	// Create vertexes
	Tr2Sprite2dVertexBase* fanVerts = static_cast<Tr2Sprite2dVertexBase*>( CCP_MALLOC(
		"Tr2Sprite2dLineTrace/fanVerts",
		sizeof( Tr2Sprite2dVertexBase ) ) );
	Tr2Sprite2dVertexBase* currentVertex = fanVerts;

	// Construct outer joint vertexes
	uint16_t vertexCount = (uint16_t)m_renderVertices.size();

	// Create vertex
	Tr2Sprite2dVertexBase& v = *currentVertex++;
	Vector2 p = GetMiterPoint( halfWidth, basePoint, startAngle, endAngle, sign );
	v.position.x = p.x;
	v.position.y = p.y;
	v.position.z = m_depth;
	v.color = color;

	// Set texture coordinates
	if( isAA )
	{
		if( sign > 0.0f )
			v.texCoord[1] = Vector2( 1.0f + pixelWidthInTexels, m_lineWidth );
		else