Method PickPoint

trinity/Sprite2d/Tr2Sprite2dPolygon.cpp:115–146

}

ITr2SpriteObject* Tr2Sprite2dPolygon::PickPoint( float x, float y, Tr2Sprite2dScene* renderer )
{
	if( !m_display || m_pickState != TR2_SPS_ON )
	{
		return nullptr;
	}

	if( !m_pickingMask || m_pickingMask->SampleMask( renderer->InverseTransformPoint( Vector2( x, y ) ), m_translation, m_displayWidth, m_displayHeight ) )
	{
		renderer->PushTranslation( m_translation );
		ON_BLOCK_EXIT( [renderer] { renderer->PopTranslation(); } );

		Vector2 query( x, y );

		for( auto it = m_triangles.begin(); it != m_triangles.end(); ++it )
		{
			auto p0 = m_vertices[( *it )->m_index[0]]->position;
			auto p1 = m_vertices[( *it )->m_index[1]]->position;
			auto p2 = m_vertices[( *it )->m_index[2]]->position;

			if( renderer->IsInsideTriangle( query, Vector2( p0.x, p0.y ), Vector2( p1.x, p1.y ), Vector2( p2.x, p2.y ) ) )
			{
				return this;
			}
			if( renderer->IsInsideTriangle( query, Vector2( p0.x, p0.y ), Vector2( p2.x, p2.y ), Vector2( p1.x, p1.y ) ) )
			{
				return this;
			}
		}
	}
	return nullptr;
}

Color Tr2Sprite2dPolygon::GetColor() const
{