[Bprocessor-commit] gl/src/net/sourceforge/bprocessor/gl/tool Protractor.java, 1.12, 1.13

[Michael L. <he...@us...>]

Update of /cvsroot/bprocessor/gl/src/net/sourceforge/bprocessor/gl/tool
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv23877/src/net/sourceforge/bprocessor/gl/tool

Modified Files:
	Protractor.java 
Log Message:
length field

Index: Protractor.java
===================================================================
RCS file: /cvsroot/bprocessor/gl/src/net/sourceforge/bprocessor/gl/tool/Protractor.java,v
retrieving revision 1.12
retrieving revision 1.13
diff -C2 -d -r1.12 -r1.13
*** Protractor.java	15 Nov 2007 12:21:43 -0000	1.12
--- Protractor.java	15 Nov 2007 12:53:56 -0000	1.13
***************
*** 39,42 ****
--- 39,43 ----
    private Vertex i0;
    private Vertex base;
+   private Vertex direction;
    
    /**
***************
*** 70,74 ****
        List edges = new LinkedList();
        
!       Vertex direction = current.vertex().minus(start.vertex());
        if (direction.isZero()) {
          if (base != null) {
--- 71,75 ----
        List edges = new LinkedList();
        
!       direction = current.vertex().minus(start.vertex());
        if (direction.isZero()) {
          if (base != null) {
***************
*** 118,121 ****
--- 119,141 ----
     * {@inheritDoc}
     */
+   protected void updateLength() {
+     if (base != null) {
+       if (direction != null) {
+         double t = base.dot(direction);
+         double angle = Math.acos(t);
+         double d = normal.dot(base.cross(direction));
+         if (d < 0) {
+           angle = 2 * Math.PI - angle;
+         }
+         double degrees = angle * 180 / Math.PI;
+         int i = (int) Math.round(degrees);
+         glv.setLengthValue(String.valueOf(i));
+       }
+     }
+   }
+   
+   /**
+    * {@inheritDoc}
+    */
    protected void moved(MouseEvent event) {
      current = findIntersection(event);