コード例 #1
0
 /**
  * computes angle(in radian) between two vectors
  *
  * @return angle in radians
  */
 public static final double calculateAngle(Vector3D v1, Vector3D v2) {
   return Math.acos(Vector3D.dotProduct(v1.getUnitVector(), v2.getUnitVector()));
 }
コード例 #2
0
 /** @return Component of this vector parallel to given vector */
 public Vector3D Get_Parallel_Component(Vector3D dirVector3D) {
   return dirVector3D.scale(this.DotProduct(dirVector3D.getUnitVector()));
 }
コード例 #3
0
 /**
  * test if the two vectors are orthogonal
  *
  * @return true if the vectors are orthogonal
  */
 public static final boolean checkOrthogonal(Vector3D v1, Vector3D v2) {
   return Vector3D.dotProduct(v1.getUnitVector(), v2.getUnitVector()) < EPSILON;
 }