/// <summary>
/// Determines whether two convex polygons intersect.
/// </summary>
/// <param name="first">The first polygon.</param>
/// <param name="second">The second polygon.</param>
/// <returns>Whether the two polygons intersect.</returns>
public static bool Intersects(this IConvexPolygon first, IConvexPolygon second)
{
Vector2[][] bothAxes = { first.GetAxes(), second.GetAxes() };
Vector2[][] bothVertices = { first.Vertices, second.Vertices };
return(intersects(bothAxes, bothVertices));
}
/// <summary>
/// Determines whether two convex polygons intersect.
/// </summary>
/// <param name="first">The first polygon.</param>
/// <param name="second">The second polygon.</param>
/// <returns>Whether the two polygons intersect.</returns>
public static bool Intersects(this IConvexPolygon first, Rectangle second)
{
Vector2[][] bothAxes = { first.GetAxes(), second.GetAxes() };
Vector2[] firstVertices = first.Vertices;
Vector2[] secondVertices = second.GetVertices();
foreach (Vector2[] axes in bothAxes)
{
foreach (Vector2 axis in axes)
{
ProjectionRange firstRange = new ProjectionRange(axis, firstVertices);
ProjectionRange secondRange = new ProjectionRange(axis, secondVertices);
if (!firstRange.Overlaps(secondRange))
{
return(false);
}
}
}
return(true);
}
public bool Intersects(IConvexPolygon other)
{
return((this as IConvexPolygon).Intersects(other));
}
