// construct a plane from three coplanar points
public Plane(MVVector point0, MVVector point1, MVVector point2) {
MVVector edge1 = point1.minus(point0);
MVVector edge2 = point2.minus(point0);
normal = MVVector.cross(edge1, edge2);
normal.normalize();
d = -normal.dotProduct(point0);
}
// provide a version of the constructor that handles integer Points
public Plane(Point intPoint0, Point intPoint1, Point intPoint2) {
MVVector point0 = new MVVector(intPoint0);
MVVector point1 = new MVVector(intPoint1);
MVVector point2 = new MVVector(intPoint2);
MVVector edge1 = point1.minus(point0);
MVVector edge2 = point2.minus(point0);
normal = MVVector.cross(edge1, edge2);
normal.normalize();
d = -normal.dotProduct(point0);
}
// construct a plane from the normal and a point on the plane
public Plane(MVVector normal, MVVector point) {
this.normal = normal;
this.d = -normal.dotProduct(point);
}