Method DrawArrow

trinity/Tr2DebugRenderer.cpp:485–534

}

void Tr2DebugRenderer::DrawArrow( Tr2DebugObjectReference owner, const Vector3& start, const Vector3& end, float radius, float pointerLength, uint32_t segments, Effect effect, Tr2DebugColor color )
{
	Matrix transform = LineTransform( start, end );

	float length = XMVectorGetX( XMVector3Length( start - end ) );

	if( radius <= 0 )
	{
		radius = length * pointerLength * 0.15f;

		const Vector2 vertices[] = {
			Vector2( length / 2 - pointerLength * length, 0 ),
			Vector2( length / 2 - pointerLength * length, radius * 2 ),
			Vector2( length / 2, 0 )
		};
		Vector2 n = LineNormal( vertices[1], vertices[2] );
		const Vector2 normals[] = {
			Vector2( -1, 0 ),
			Vector2( -1, 0 ),
			n,
			n
		};
		DrawExtrusionShape( owner, transform, vertices, normals, sizeof( vertices ) / sizeof( vertices[0] ), segments, effect, color );
		DrawLine( owner, start, start + transform.GetY() * length * ( 1 - pointerLength ), color );
	}
	else
	{
		const Vector2 vertices[] = {
			Vector2( -length / 2, 0 ),
			Vector2( -length / 2, radius ),
			Vector2( length / 2 - pointerLength * length, radius ),
			Vector2( length / 2 - pointerLength * length, radius * 2 ),
			Vector2( length / 2, 0 )
		};
		Vector2 n = LineNormal( vertices[2], vertices[3] );
		const Vector2 normals[] = {
			Vector2( -1, 0 ),
			Vector2( -1, 0 ),
			Vector2( 0, 1 ),
			Vector2( 0, 1 ),
			Vector2( 0, 1 ),
			Vector2( 0, 1 ),
			Vector2( -1, 0 ),
			Vector2( -1, 0 ),
			n,
			n
		};
		DrawExtrusionShape( owner, transform, vertices, normals, sizeof( vertices ) / sizeof( vertices[0] ), segments, effect, color );
	}
}

void Tr2DebugRenderer::DrawDoubleArrow( Tr2DebugObjectReference owner, const Vector3& start, const Vector3& end, float radius, float pointerLength, uint32_t segments, Effect effect, Tr2DebugColor color )
{