[Bprocessor-commit] model/src/net/sourceforge/bprocessor/model Plane.java, 1.21, 1.22

[rimestad <rim...@us...>]

Update of /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv4366/src/net/sourceforge/bprocessor/model

Modified Files:
	Plane.java 
Log Message:
added tests for plane and added getI and getJ for plane

Index: Plane.java
===================================================================
RCS file: /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model/Plane.java,v
retrieving revision 1.21
retrieving revision 1.22
diff -C2 -d -r1.21 -r1.22
*** Plane.java	6 Jul 2006 10:42:08 -0000	1.21
--- Plane.java	12 Jul 2006 14:34:18 -0000	1.22
***************
*** 72,76 ****
      super(origin);
      Vertex normal = b.cross(a);
!     normal.scale(1 / (normal.length()));
      this.a = normal.getX();
      this.b = normal.getY();
--- 72,76 ----
      super(origin);
      Vertex normal = b.cross(a);
!     normal.normalize();
      this.a = normal.getX();
      this.b = normal.getY();
***************
*** 387,389 ****
--- 387,419 ----
      return "Constructor-Plane";
    }
+ 
+   /**
+    * Return one vector in the plane
+    * @return a vector in the plane
+    */
+   public Vertex getI() {
+     Vertex res;
+     if (a != 0.0) {
+       res = new Vertex(-d / a, 0 , 0);
+     } else if (b != 0.0) {
+       res = new Vertex(0, -d / b , 0);
+     } else {
+       res = new Vertex(0, 0 , -d / c);
+     }
+     res = res.minus(getOrigin());
+     res.normalize();
+     return res;
+   }
+ 
+   /**
+    * A vector perpindicular to the one returned in getI that is in the plane
+    * @return a vector in the plane perpindicular to the one returned in getI
+    */
+   public Vertex getJ() {
+     Vertex v = getI();
+     Vertex res = v.cross(normal());
+     res.normalize();
+     return res;
+ 
+   }
  }