/// <summary>
/// Determines if this polygon intersects with another polygon.
/// </summary>
/// <param name="polygon">The polygon to test against.</param>
/// <returns>A value indicating if the two polygons intersect.</returns>
public bool IntersectsWith(GsPolygon polygon)
{
GsRectangle boxA = GsRectangle.FromLTRB(this.mMinX, this.mMinY, this.mMaxX, this.mMaxY);
GsRectangle boxB = GsRectangle.FromLTRB(polygon.mMinX, polygon.mMinY, polygon.mMaxX, polygon.mMaxY);
return(boxA.IntersectsWith(boxB));
}
/// <summary>
/// Calculate the projection of a polygon on an axis and returns it as a [min, max] interval
/// </summary>
private static void ProjectPolygon(GsVector axis, GsPolygon hull, ref float min, ref float max)
{
// get the points
GsVector[] points = hull.mPoints;
// To project a point on an axis use the dot product
float d = GsVector.Dot(axis, points[0]);
min = d;
max = d;
for (int i = 0; i < points.Length; i++)
{
d = GsVector.Dot(points[i], axis);
min = Math.Min(min, d);
max = Math.Max(max, d);
}
}
