private bool Intersects(CollisionConvexPolygon element)
{
// Loop over the axes of this polygon
for (var i = 0; i < _axes.Count; i++)
{
var axis = _axes[i];
// Project both shapes onto the axis
var p1 = Project(axis);
var p2 = element.Project(axis);
// Do the projections overlap?
if (!Overlap(p1, p2))
{
// Then we can guarantee that the shapes do not overlap
return(false);
}
}
// Loop over element polygon's axes
List <Vector2> axes = element.GetAxes();
for (int i = 0; i < axes.Count; i++)
{
Vector2 axis = axes[i];
// Project both shapes onto the axis
Vector2 p1 = Project(axis);
Vector2 p2 = element.Project(axis);
// Do the projections overlap?
if (!Overlap(p1, p2))
{
// Then we can guarantee that the shapes do not overlap
return(false);
}
}
// If we get here then we know that every axis had overlap on it
// so we can guarantee an intersection
return(true);
}
private bool Intersects(CollisionConvexPolygon element)
{
return(element.Intersects(this));
}