void ICollisionSystem::ProjectOntoAxis(const sf::Shape& theShape, const sf::Vector2f& theAxis, float& theMin, float& theMax)
{
sf::Vector2f anPoint=theShape.getTransform().transformPoint(theShape.getPoint(0));
GQE::Uint32 anPointCount=theShape.getPointCount();
theMin = (anPoint.x*theAxis.x+anPoint.y*theAxis.y);
theMax = theMin;
for (int j = 1; j<anPointCount; j++)
{
anPoint=theShape.getTransform().transformPoint(theShape.getPoint(j));
float Projection = (anPoint.x*theAxis.x+anPoint.y*theAxis.y);
if (Projection<theMin)
theMin=Projection;
if (Projection>theMax)
theMax=Projection;
}
}
void TEALShow::OrientedBox( sf::Shape &s, sf::Color col)
{
AddTransformedRectanglePoints( s.getLocalBounds(), s.getTransform(), col );
}
bool TrackChunk::collidesWith(const sf::Shape &shape) const{
bg::model::ring<sf::Vector2f> ring;
for (std::size_t i=0; i<shape.getPointCount(); ++i)
bg::append(ring, shape.getTransform().transformPoint(shape.getPoint(i)));
return bg::intersects(ring, m_points);
}