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/Users/lyon/j4p/src/j3d/cr325/killTheStudent/Utils.java
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1 /**
2 * Created by IntelliJ IDEA.
3 * User: dlyon
4 * Date: Mar 3, 2004
5 * Time: 12:37:33 PM
6 * To change this template use Options | File Templates.
7 */
8 package j3d.cr325.killTheStudent;
9
10 import com.sun.j3d.utils.behaviors.keyboard.KeyNavigatorBehavior;
11 import com.sun.j3d.utils.geometry.Primitive;
12 import com.sun.j3d.utils.geometry.Sphere;
13 import com.sun.j3d.utils.image.TextureLoader;
14 import com.sun.j3d.utils.universe.SimpleUniverse;
15 import ip.raul.Fractals;
16 import j2d.ImageUtils;
17 import utils.SystemUtils;
18
19 import javax.media.j3d.*;
20 import javax.vecmath.Color3f;
21 import javax.vecmath.Point3d;
22 import javax.vecmath.Vector3d;
23 import javax.vecmath.Vector3f;
24 import java.awt.*;
25 import java.io.File;
26
27 public class Utils {
28 private static String userDir = SystemUtils.getUserDir();
29 private static final String pathSep = SystemUtils.getDirectorySeparator();
30 private static String dataDirectory =
31 //"C:\\Documents and Settings\\jgervasio\\My Documents\\joeg\\j4p\\data\\";
32 userDir + pathSep + "data" + pathSep;
33
34 private static String imageDirectory
35 //="C:\\Documents and Settings\\jgervasio\\My Documents\\joeg\\j4p\\data\\images\\";
36 = dataDirectory + "images" + pathSep;
37
38 public static void main(String[] args) {
39 System.out.println("checking images directory:" + imageDirectory);
40 boolean b = checkImagesDirectory();
41 System.out.println("found directory=" + b);
42 }
43
44 public static boolean checkImagesDirectory() {
45 File f = new File(dataDirectory);
46 if (f.exists()) return true;
47 f = futils.Futil.getReadDirFile("please locate:" + dataDirectory);
48 dataDirectory = f.toString();
49 return checkImagesDirectory();
50 }
51
52 public static Texture getTexture(Component c) {
53 File f = futils.Futil.getReadFile("select env map");
54 // load a texture image using the Java 3D texture loader
55 Texture tex = new TextureLoader(f.toString(), c).getTexture();
56 return tex;
57 }
58
59 public static Appearance getAppearance(Component c) {
60 Appearance app = new Appearance();
61 // apply the texture to the Appearance
62 app.setTexture(getTexture(c));
63 return app;
64 }
65
66 public static Texture getMandleTexture(int w, int h) {
67 TextureLoader tl = new TextureLoader(ImageUtils.getBufferedImage(Fractals.getMandelbrot(w, h)));
68 return tl.getTexture();
69 }
70
71 public static Texture getTexture(Image img) {
72 return new TextureLoader(ImageUtils.getBufferedImage(img)).getTexture();
73 }
74
75 public static Background getMandlebrotBackground(int w, int h) {
76 return new Background(new ImageComponent2D(ImageComponent2D.FORMAT_RGBA,
77 ImageUtils.getBufferedImage(Fractals.getMandelbrot(w, h))));
78 }
79
80
81 public static void addKeyboardNavigation(TransformGroup tg, BranchGroup bg) {
82 KeyNavigatorBehavior keyNavBeh = new KeyNavigatorBehavior(tg);
83 keyNavBeh.setSchedulingBounds(new BoundingSphere(new Point3d(), 10000.0));
84 bg.addChild(keyNavBeh);
85 }
86
87 /**
88 * SetLayout to border layout and
89 *
90 * @param c
91 * @return a Canvas3D based on the container
92 */
93 public static Canvas3D getCanvas3D(Container c) {
94 c.setLayout(new BorderLayout());
95 GraphicsConfiguration gc =
96 SimpleUniverse.getPreferredConfiguration();
97 return new Canvas3D(gc);
98 }
99
100 public static void addLights(BranchGroup bg) {
101 addLights(new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0), bg);
102 }
103
104 /**
105 * This adds some lights to the content branch of the scene graph.
106 *
107 * @param bounds1
108 * @param b The BranchGroup to add the lights to.
109 */
110 public static void addLights(BoundingSphere bounds1,
111 BranchGroup b) {
112 Color3f ambLightColour = new Color3f(0.5f, 0.5f, 0.5f);
113 AmbientLight ambLight = new AmbientLight(ambLightColour);
114 ambLight.setInfluencingBounds(bounds1);
115 Color3f dirLightColour = new Color3f(1.0f, 1.0f, 1.0f);
116 Vector3f dirLightDir = new Vector3f(-1.0f, -1.0f, -1.0f);
117 DirectionalLight dirLight = new DirectionalLight(dirLightColour, dirLightDir);
118 dirLight.setInfluencingBounds(bounds1);
119 b.addChild(ambLight);
120 b.addChild(dirLight);
121 }
122
123 public static Background getImageBackground(String fileName) {
124 checkImagesDirectory();
125 Image img = ImageUtils.getImage(imageDirectory + fileName);
126 return new Background(new ImageComponent2D(ImageComponent2D.FORMAT_RGB,
127 ImageUtils.getBufferedImage(img)));
128 }
129
130 public static Appearance getImageAppearance(String fileName) {
131
132 Appearance app = new Appearance();
133 //checkImagesDirectory();
134 System.out.println(imageDirectory+fileName);
135 Image image = ImageUtils.getImage(imageDirectory + fileName);
136 app.setTexture(getTexture(image));
137 Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
138 Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
139
140 app.setMaterial(new Material(white, black, white,
141 white, 1.0f));
142 return app;
143 }
144
145 public static Appearance getMandelbrotAppearance(int w, int h) {
146 Appearance app = new Appearance();
147 app.setTexture(getMandleTexture(w, h));
148 Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
149 Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
150
151 app.setMaterial(new Material(white, black, white,
152 white, 1.0f));
153 return app;
154 }
155
156 public static BranchGroup getTextureSphere(double scale,
157 double xpos, double ypos,
158 String fileName) {
159 BranchGroup objRoot = new BranchGroup();
160 BoundingSphere bounds =
161 new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
162 Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);
163 Background bg = new Background(bgColor);
164 bg.setApplicationBounds(bounds);
165 objRoot.addChild(bg);
166
167
168 Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);
169
170 AmbientLight aLgt = new AmbientLight(alColor);
171 aLgt.setInfluencingBounds(bounds);
172 getDirectionLight(bounds, objRoot);
173 objRoot.addChild(aLgt);
174
175 Appearance app = //Utils.getMandelbrotAppearance(400, 400);
176 getImageAppearance(fileName);
177 objRoot.addChild(createObject(app, scale, xpos, ypos));
178 objRoot.compile();
179 return objRoot;
180 }
181
182 public static void getDirectionLight(BoundingSphere bounds, BranchGroup objRoot) {
183 Vector3f lDir1 = new Vector3f(-1.0f, -0.5f, -1.0f);
184 Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
185 DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
186 lgt1.setInfluencingBounds(bounds);
187 objRoot.addChild(lgt1);
188 }
189
190 public static Primitive getSphere() {
191 return Sphere;
192 }
193
194 private static Primitive Sphere = null;
195
196 public static Group createObject(Appearance app,
197 double scale,
198 double xpos, double ypos) {
199 Transform3D t = new Transform3D();
200 t.set(scale, new Vector3d(xpos, ypos, 0.0));
201 TransformGroup objTrans = new TransformGroup(t);
202 TransformGroup spinTg = new TransformGroup();
203 spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
204 spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
205 Sphere = new Sphere(1.0f,
206 Sphere.GENERATE_NORMALS |
207 Sphere.GENERATE_TEXTURE_COORDS, 28, app);
208 Sphere.setCapability(Node.ALLOW_LOCAL_TO_VWORLD_READ);
209 //Primitive Sphere = new Box(1.0f,
210 // (float) xpos, (float) ypos,
211 // Box.GENERATE_NORMALS | Box.GENERATE_TEXTURE_COORDS,
212 // app);
213
214 spinTg.addChild(Sphere);
215 Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
216 0, 0,
217 10000, 0, 0,
218 0, 0, 0);
219 RotationInterpolator rotator =
220 new RotationInterpolator(rotationAlpha, spinTg);
221 BoundingSphere bounds =
222 new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
223 rotator.setSchedulingBounds(bounds);
224 objTrans.addChild(rotator);
225 objTrans.addChild(spinTg);
226 return objTrans;
227 }
228
229 public static void addMotion(Alpha a,
230 TransformGroup objectsXformGroup,
231 BranchGroup theBgToMove) {
232 Transform3D axis = new Transform3D();
233 PositionInterpolator piObj =
234 new PositionInterpolator(a,
235 objectsXformGroup,
236 axis,
237 -30.0f, 30.0f);
238 Bounds bs = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
239 piObj.setSchedulingBounds(bs);
240 theBgToMove.addChild(piObj);
241 theBgToMove.addChild(objectsXformGroup);
242 }
243
244 public static BranchGroup getBranchGroup() {
245 BranchGroup bg = new BranchGroup();
246 bg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
247 bg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
248 return bg;
249 }
250
251 public static ViewPlatform getViewPlatform() {
252 ViewPlatform vp = new ViewPlatform();
253 vp.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
254 vp.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
255 return vp;
256 }
257
258 public static TransformGroup getTransformGroup(Transform3D t3d) {
259 TransformGroup tg = new TransformGroup(t3d);
260 tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
261 tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
262 return tg;
263 }
264
265 public static TransformGroup getTransformGroup() {
266 TransformGroup tg = new TransformGroup();
267 tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
268 tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
269 tg.setCapability(TransformGroup.ALLOW_LOCAL_TO_VWORLD_READ);
270 return tg;
271 }
272 }
273