|
/Users/lyon/j4p/src/j3d/cr325/killTheStudent/AddSceneGeometry.java
|
1 /**
2 * Created by IntelliJ IDEA.
3 * User: jgervasio
4 * Date: Apr 20, 2004
5 * Time: 12:00:50 PM
6 * To change this template use Options | File Templates.
7 */
8 package j3d.cr325.killTheStudent;
9
10 import j3d.cr325.killTheStudent.MyLevittownDoomKeyboard;
11 import j3d.cr325.Shapes;
12
13 import javax.vecmath.Vector3f;
14 import javax.media.j3d.*;
15
16 import com.sun.j3d.utils.geometry.Sphere;
17 import com.sun.j3d.utils.geometry.Primitive;
18
19 public class AddSceneGeometry {
20 public static void addTrees(MyLevittownDoomKeyboard myLevittownDoomKeyboard, Vector3f translate,
21 Transform3D t3D,
22 BoundingSphere bSphere,
23 BranchGroup bg) {
24 SharedGroup share = new SharedGroup();
25 share.addChild(Shapes.getTrees());
26
27 float position[][] = {{0.0f, 0f, -3.0f},
28 {6.0f, 0f, 0.0f},
29 {6.0f, 0f, 6.0f},
30 {3.0f, 0f, -10.0f},
31 {13.0f, 0f, -30.0f},
32 {-13.0f, 0f, 30.0f},
33 {-13.0f, 0f, 23.0f},
34 {13.0f, 0f, 3.0f}};
35
36 placeStuff(position, translate, t3D, bSphere, bg, share);
37 }
38
39 public static void addTanks(MyLevittownDoomKeyboard myLevittownDoomKeyboard, Vector3f translate,
40 Transform3D t3D,
41 BoundingSphere bSphere,
42 BranchGroup bg) {
43 SharedGroup share = new SharedGroup();
44 //share.addChild(Tetrahedron.createTetrahedronBranchGroup());
45
46 float position[][] = {{4.0f, 0.5f, -3.0f},
47 {2.0f, 0.5f, 0.0f},
48 {2.0f, 0.5f, 6.0f},
49 {7.0f, 0.5f, -10.0f},
50 {20.0f, 0.5f, -30.0f},
51 {-11.0f, 0.5f, 30.0f},
52 {-18.0f, 0.5f, 23.0f},
53 {16.0f, 0.5f, 3.0f}};
54
55 placeStuff(position, translate, t3D, bSphere, bg, share);
56 }
57
58 public static void addHouses(MyLevittownDoomKeyboard myLevittownDoomKeyboard, Vector3f translate,
59 Transform3D t3D,
60 BoundingSphere bSphere,
61 BranchGroup bg) {
62 SharedGroup share = new SharedGroup();
63
64 share.addChild(Shapes.getHouses());
65
66 float position[][] = {{0.0f, 0f, -2.0f},
67 {3.0f, 0f, 0.0f},
68 {3.0f, 0f, 4.0f},
69 {4.0f, 0f, -8.0f},
70 {6.0f, 0f, -25.0f},
71 {-6.0f, 0f, 25.0f},
72 {-6.0f, 0f, 15.0f},
73 {6.0f, 0f, 1.0f}};
74
75 placeStuff(position, translate, t3D, bSphere, bg, share);
76 }
77
78 public static BranchGroup createBackground(MyLevittownDoomKeyboard levitown) {
79 // create a parent BranchGroup for the Background
80 BranchGroup backgroundGroup = new BranchGroup();
81
82 // create a new Background node
83 Background back = new Background();
84
85 // set the range of influence of the background
86 back.setApplicationBounds(levitown.getBackgroundBoundingSphere());
87
88 // create a BranchGroup that will hold
89 // our Sphere geometry
90 BranchGroup bgGeometry = new BranchGroup();
91
92 // create the Sphere geometry with radius 1.0
93 // we tell the Sphere to generate texture coordinates
94 // to enable the texture image to be rendered
95 // and because we are *inside* the Sphere we have to generate
96 // Normal coordinates inwards or the Sphere will not be visible.
97 Appearance appearance = new Appearance();
98 appearance.setTexture(Utils.getMandleTexture(640, 480));
99 Sphere sphere = new Sphere(0.50f,
100 Primitive.GENERATE_TEXTURE_COORDS |
101 Primitive.GENERATE_NORMALS_INWARD,
102 appearance);
103
104 // start wiring everything together
105 // add the Sphere to its parent BranchGroup
106 bgGeometry.addChild(sphere);
107
108 // assign the BranchGroup to the Background as geometry.
109 back.setGeometry(bgGeometry);
110
111 // add the Background node to its parent BranchGroup
112 backgroundGroup.addChild(back);
113
114 return backgroundGroup;
115 }
116
117 public static void placeStuff(float[][] position,
118 Vector3f translate,
119 Transform3D t3D,
120 BoundingSphere bSphere,
121 BranchGroup bg,
122 SharedGroup share) {
123 TransformGroup TGT;
124 TransformGroup TGR;
125 Billboard billboard;
126 for (int i = 0; i < position.length; i++) {
127 translate.set(position[i]);
128 t3D.setTranslation(translate);
129 TGT = new TransformGroup(t3D);
130 TGR = new TransformGroup();
131 TGR.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
132 billboard = new Billboard(TGR);
133 billboard.setSchedulingBounds(bSphere);
134 billboard.setAlignmentMode(Billboard.ROTATE_ABOUT_POINT);
135 bg.addChild(TGT);
136 bg.addChild(billboard);
137 TGT.addChild(TGR);
138 TGR.addChild(new Link(share));
139 }
140 }
141 }
142