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141
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1 package alice.test.topology.aquarium;
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2
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3 import java.awt.*;
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4
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5 import javax.media.j3d.*;
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6 import javax.vecmath.*;
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7 import com.sun.j3d.utils.universe.*;
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8
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9 public class ViewChange extends Canvas3D {
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10
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11 private static final long serialVersionUID = 1L;
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12 float sensitivity;
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13 float distance;
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14 int new_x, new_y;
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15 int pre_x, pre_y;
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16 SimpleUniverse universe;
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17 TransformGroup Camera;
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18 float camera_x, camera_y, camera_z, camera_xz, camera_xy, camera_yz = 0;
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19 float phi = 0;//(float)Math.PI;
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20 float theta = (float)Math.PI/3;
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21
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22 Transform3D Transform_camera_pos;
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23 Transform3D Transform_camera_phi;
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24 Transform3D Transform_camera_theta;
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25 Vector3f Vector_camera_pos;
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26
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27 public ViewChange(float Distance, float Sensitivity, GraphicsConfiguration config){
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28 super(config);
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29 distance = Distance;
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30 sensitivity = Sensitivity;
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31 universe = new SimpleUniverse(this);
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32 ViewingPlatform vp = universe.getViewingPlatform();
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33 Camera = vp.getViewPlatformTransform();
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34
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35 camera_y = distance * (float)Math.sin(theta);
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36 camera_xz = distance * (float)Math.cos(theta);
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37 camera_x = camera_xz * (float)Math.sin(phi);
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38 camera_z = camera_xz * (float)Math.cos(phi);
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39
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40 Vector_camera_pos = new Vector3f(camera_x, camera_y, camera_z);
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41 Transform_camera_pos = new Transform3D();
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42 Transform_camera_pos.setTranslation(Vector_camera_pos);
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43
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44 Transform_camera_phi = new Transform3D();
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45 Transform_camera_theta = new Transform3D();
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46 Transform_camera_theta.rotX(-theta);
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47 Transform_camera_phi.rotY(phi);
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48 Transform_camera_theta.mul(Transform_camera_phi);
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49 Transform_camera_pos.mul(Transform_camera_theta);
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50
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51 Camera.setTransform(Transform_camera_pos);
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52
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53 MouseViewEvent mouse = new MouseViewEvent(this);
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54 addMouseMotionListener(mouse);
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55
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56 }
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57
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58
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59
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60 }
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61
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