[Bprocessor-commit] model/src/net/sourceforge/bprocessor/model Edge.java,1.9,1.10

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

Update of /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv25892

Modified Files:
	Edge.java 
Log Message:
added set and get length

Index: Edge.java
===================================================================
RCS file: /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model/Edge.java,v
retrieving revision 1.9
retrieving revision 1.10
diff -C2 -d -r1.9 -r1.10
*** Edge.java	8 Sep 2005 10:42:14 -0000	1.9
--- Edge.java	14 Sep 2005 14:05:45 -0000	1.10
***************
*** 277,279 ****
--- 277,307 ----
      return SurfaceFacade.getInstance().findByEdge(this);
    }
+   
+   /**
+    * returns the length of the edge
+    * @return The length
+    */
+   public double getLength() {
+     double dx = to.getX() - from.getX();
+     double dy = to.getY() - from.getY();
+     double dz = to.getZ() - from.getZ();
+     return Math.sqrt(dx * dx + dy * dy + dz * dz);
+   }
+   
+   /**
+    * sets the length of the edge to the given double
+    * @param d The length
+    */
+   public void setLength(double d) {
+     double dx = to.getX() - from.getX();
+     double dy = to.getY() - from.getY();
+     double dz = to.getZ() - from.getZ();
+     double length = d * d;
+ 
+     double res = Math.sqrt(length / (dx * dx + dy * dy + dz * dz));
+ 
+     to.setX(dx * res + from.getX());
+     to.setY(dy * res + from.getY());
+     to.setZ(dz * res + from.getZ());
+   }
  }