[Bprocessor-commit] model/src/net/sourceforge/bprocessor/model Camera.java,1.13,1.14

[Nordholt <nor...@us...>]

Update of /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv14953

Modified Files:
	Camera.java 
Log Message:
method to zoom out to view the entire model

Index: Camera.java
===================================================================
RCS file: /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model/Camera.java,v
retrieving revision 1.13
retrieving revision 1.14
diff -C2 -d -r1.13 -r1.14
*** Camera.java	11 Feb 2006 15:02:21 -0000	1.13
--- Camera.java	17 May 2006 17:11:41 -0000	1.14
***************
*** 10,13 ****
--- 10,14 ----
  import java.util.Iterator;
  import java.util.List;
+ import java.util.Set;
  
  import org.apache.log4j.Logger;
***************
*** 388,391 ****
--- 389,423 ----
    
    /**
+    * Moves the camera to a position where the entire model is visible.
+    */
+   public void viewEntireModel() {
+     Set allVertices = Project.getInstance().world().collect();
+     if (!allVertices.isEmpty()) {
+       Vertex modelCenter = Project.getInstance().world().center();
+       Iterator it = allVertices.iterator();
+       double maxDistance = 0;
+       while (it.hasNext()) {
+         Vertex v = (Vertex) it.next();
+         double distance = v.minus(modelCenter).length();
+         if (distance > maxDistance) {
+           maxDistance = distance;
+         }
+       }
+       double cameraDistance = 
+         maxDistance / Math.tan(Math.toRadians((this.getFocalwidth() / 2)));
+       Vertex cameraPos = new Vertex(1, 1, 1);
+       cameraPos.scale(cameraDistance / cameraPos.length());
+       cameraPos = cameraPos.add(modelCenter);
+       setCenter(new double[] {modelCenter.getX(), 
+                               modelCenter.getY(), 
+                               modelCenter.getZ()});
+       setCamera(new double[] {cameraPos.getX(),
+                               cameraPos.getY(),
+                               cameraPos.getZ()});    
+       setRoll(new double[] {-1, -1, 1});
+     }    
+   }
+     
+   /**
     * Print camera
     * @return String