public Point getProjection(Point p) { return this; }
public AffineConstraint intersect(AffineConstraint c, float epsilon) {
if (c.getProjection(this).distance(this) <= epsilon) return this;
public Point getProjection(Point p) { return this; }
public AffineConstraint intersect(AffineConstraint c, float epsilon) {
if (c.getProjection(this).distance(this) <= epsilon) return this;