1    /* 
2     * Created by DocJava, Inc. 
3     * User: lyon 
4     * Date: Mar 30, 2003 
5     * Time: 9:50:33 AM 
6     */ 
7    package gui.mouse; 
8     
9    import java.awt.event.MouseEvent; 
10   import java.awt.event.MouseListener; 
11   import java.awt.event.MouseMotionListener; 
12    
13   public class MouseRotationController 
14           implements MouseListener, MouseMotionListener { 
15       //float xrot = 64; 
16       //float yrot = 32; 
17       //float zrot = 17; 
18       private float dx = 0; 
19       private float dy = 0; 
20       private float dz = 0; 
21       private float oldx,oldy; 
22       private boolean autorot = true; 
23       Rotatable r; 
24    
25       public void mouseMoved(MouseEvent evt) { 
26       }; 
27       public void mouseClicked(MouseEvent evt) { 
28       }; 
29       public void mouseEntered(MouseEvent evt) { 
30       }; 
31       public void mouseExited(MouseEvent evt) { 
32       } 
33    
34       public MouseRotationController(Rotatable _r) { 
35           r = _r; 
36       } 
37    
38    
39       public void mousePressed(MouseEvent evt) { 
40           autorot = false; 
41           oldx = evt.getX(); 
42           oldy = evt.getY(); 
43       } 
44    
45       public void mouseReleased(MouseEvent evt) { 
46           autorot = true; 
47           oldx = evt.getX(); 
48           oldy = evt.getY(); 
49       } 
50    
51       public void mouseDragged(MouseEvent evt) { 
52           int x = evt.getX(); 
53           int y = evt.getY(); 
54    
55           r.rotateWorld((oldy - y), (oldx - x), 0); 
56           dx = (dx + oldx - x + 360) % 360; 
57           dy = (dy + oldy - y + 360) % 360; 
58           //showStatus("dx="+dx+" dy="+dy); 
59           oldx = x; 
60           oldy = y; 
61       } 
62    
63       public boolean isAutorot() { 
64           return autorot; 
65       } 
66   } 
67