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comparison examples/java3d/util.java @ 1:5df24c91468d

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Oh my what a mess.
author samer
date Fri, 05 Apr 2019 16:26:00 +0100
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0:bf79fb79ee13 1:5df24c91468d
1 import samer.core.*;
2 import java.awt.*;
3 import javax.media.j3d.*;
4 import javax.vecmath.*;
5 //import com.sun.j3d.utils.universe.*;
6 import com.sun.j3d.utils.behaviors.keyboard.*;
7 import com.sun.j3d.utils.behaviors.mouse.*;
8 import com.sun.j3d.utils.geometry.*;
9
10 public class util
11 {
12 private static Bounds bounds=new BoundingSphere(new Point3d(0,0,0),1000);
13
14 public static void init() { new samer.core.shells.AppShell(); }
15 public static void expose(java.awt.Component c,String title) {
16 Shell.Window win;
17 win=Shell.getWindow(title);
18 win.addWindowListener(Shell.exitListener());
19 win.container().setLayout(new BorderLayout());
20 win.container().add(c);
21 win.expose();
22 }
23
24 public static void setBounds(Bounds b) { bounds=b; }
25
26 public static TransformGroup mouseRotate(TransformGroup tg)
27 {
28 MouseRotate m = new MouseRotate(readwrite(tg));
29 // mr.setTransformGroup(tg);
30 m.setSchedulingBounds(bounds);
31 tg.addChild(m);
32 return tg;
33 }
34
35 public static TransformGroup mouseTranslate(TransformGroup tg)
36 {
37 MouseTranslate m = new MouseTranslate(readwrite(tg));
38 // mr.setTransformGroup(tg);
39 m.setSchedulingBounds(bounds);
40 tg.addChild(m);
41 return tg;
42 }
43
44 public static TransformGroup mouseZoom(TransformGroup tg)
45 {
46 MouseZoom m = new MouseZoom(readwrite(tg));
47 // mr.setTransformGroup(tg);
48 m.setSchedulingBounds(bounds);
49 tg.addChild(m);
50 return tg;
51 }
52
53 public static void addKeyNavigator(Group g, TransformGroup tg)
54 {
55 // readwrite(tg);
56 KeyNavigatorBehavior keynav = new KeyNavigatorBehavior(tg);
57 keynav.setSchedulingBounds(bounds);
58 g.addChild(keynav);
59 }
60
61 public static void addKeyNavigator(Component c, Group g, TransformGroup tg)
62 {
63 // readwrite(tg);
64 KeyNavigatorBehavior keynav = new KeyNavigatorBehavior(c,tg);
65 keynav.setSchedulingBounds(bounds);
66 g.addChild(keynav);
67 }
68
69 public static GeometryInfo yoyoGeometryInfo(int N)
70 {
71 GeometryInfo gi=new GeometryInfo(GeometryInfo.TRIANGLE_FAN_ARRAY);
72
73 int totalN = 4*(N+1);
74 Point3f coords[] = new Point3f[totalN];
75 int stripCounts[] = {N+1, N+1, N+1, N+1};
76 float r = 0.5f;
77 float w = 0.5f;
78 int n;
79 double a;
80 float x, y;
81
82 // set the central points for four triangle fan strips
83 coords[0*(N+1)] = new Point3f(0.0f, 0.0f, w);
84 coords[1*(N+1)] = new Point3f(0.0f, 0.0f, 0.0f);
85 coords[2*(N+1)] = new Point3f(0.0f, 0.0f, 0.0f);
86 coords[3*(N+1)] = new Point3f(0.0f, 0.0f, -w);
87
88 for(a = 0,n = 0; n < N; a = 2.0*Math.PI/(N-1) * ++n){
89 x = (float) (r * Math.cos(a));
90 y = (float) (r * Math.sin(a));
91 coords[0*(N+1)+n+1] = new Point3f(x, y, w);
92 coords[1*(N+1)+N-n] = new Point3f(x, y, w);
93 coords[2*(N+1)+n+1] = new Point3f(x, y, -w);
94 coords[3*(N+1)+N-n] = new Point3f(x, y, -w);
95 }
96
97 gi.setCoordinates(coords);
98 gi.setStripCounts(stripCounts);
99
100 return gi;
101
102 }
103
104 public static void addRotator(TransformGroup tg)
105 {
106 Alpha alpha = new Alpha(-1, 24000);
107 Behavior rotator = new RotationInterpolator(alpha, writable(tg));
108 rotator.setSchedulingBounds(bounds);
109 tg.addChild(rotator);
110 }
111
112 public static Light color(Light l, Color3f c) { l.setColor(c); return l; }
113 public static Light directionalLight(double x, double y, double z)
114 {
115 DirectionalLight l = new DirectionalLight();
116 l.setDirection(-(float)x,-(float)y,-(float)z);
117 l.setInfluencingBounds(bounds);
118 return l;
119 }
120
121 public static Light ambientLight()
122 {
123 AmbientLight a = new AmbientLight();
124 a.setInfluencingBounds(bounds);
125 return a;
126 }
127
128 public static Light pointLight(double x, double y, double z)
129 {
130 PointLight l = new PointLight();
131 l.setInfluencingBounds(bounds);
132 l.setPosition((float)x,(float)y,(float)z);
133 l.setAttenuation(0,0,1);
134 return l;
135 }
136
137 public static void addBackground(Group g, Background bg)
138 { // background
139 bg.setApplicationBounds(bounds);
140 g.addChild(bg);
141 }
142
143 public static View setViewPolicy(View v)
144 {
145 v.setWindowEyepointPolicy(View.RELATIVE_TO_WINDOW);
146 //v.setWindowMovementPolicy(View.VIRTUAL_WORLD);
147 v.setWindowResizePolicy(View.VIRTUAL_WORLD);
148 //v.repaint();
149 return v;
150 }
151
152 public static ViewPlatform writable(ViewPlatform vp) {
153 vp.setCapability(ViewPlatform.ALLOW_POLICY_WRITE); return vp;
154 }
155 public static TransformGroup writable(TransformGroup tg) {
156 tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); return tg;
157 }
158 public static TransformGroup readwrite(TransformGroup tg) {
159 tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
160 tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
161 return tg;
162 }
163
164 public static Group yoyoGroup() {
165 return yoyoGroup(yoyoGeometryInfo(17).getGeometryArray());
166 }
167 public static Group yoyoGroup(Geometry geom) {
168 return yoyoGroup(geom,wireframe2(),translucent());
169 }
170
171 public static Group yoyoGroup(Geometry geom, Appearance a1, Appearance a2)
172 {
173 Shape3D faces=new Shape3D();
174 Shape3D edges=new Shape3D();
175
176 faces.setGeometry(geom);
177 faces.setAppearance(a1);
178 edges.setGeometry(geom);
179 edges.setAppearance(a2);
180
181 BranchGroup bg = new BranchGroup();
182 bg.addChild(faces);
183 bg.addChild(edges);
184
185 return bg;
186 }
187
188 public static GraphicsConfiguration getGraphicsConfiguration()
189 {
190 /*
191 return GraphicsEnvironment.getLocalGraphicsEnvironment().
192 getDefaultScreenDevice().getDefaultConfiguration();
193
194 */
195 // Canvas default seems to be better than above
196 return null;
197
198 }
199
200 static Appearance material1()
201 {
202 Appearance a = new Appearance();
203 PolygonAttributes polyAttrib = new PolygonAttributes();
204 polyAttrib.setPolygonOffset(2f);
205 a.setPolygonAttributes(polyAttrib);
206
207 Material material = new Material();
208 material.setDiffuseColor(new Color3f(.6f, 0.5f, 0.7f));
209 material.setSpecularColor(new Color3f(.6f, 0.5f, 0.7f));
210 material.setShininess(48);
211 a.setMaterial(material);
212 return a;
213 }
214
215
216 static Appearance shadedwireframe()
217 {
218 Appearance a = new Appearance();
219 PolygonAttributes polyAttrib = new PolygonAttributes();
220 polyAttrib.setPolygonMode(PolygonAttributes.POLYGON_LINE);
221 a.setPolygonAttributes(polyAttrib);
222 a.setLineAttributes(new LineAttributes(2f,LineAttributes.PATTERN_SOLID,false));
223
224 Material material = new Material();
225 material.setDiffuseColor(new Color3f(.7f, 0.6f, 0.9f));
226 material.setShininess(128);
227 a.setMaterial(material);
228 return a;
229 }
230
231
232 static Appearance translucent()
233 {
234 Appearance a = new Appearance();
235 PolygonAttributes polyAttrib = new PolygonAttributes();
236 ColoringAttributes colorAttrib=new ColoringAttributes();
237 a.setPolygonAttributes(polyAttrib);
238
239 {
240 boolean ft=Shell.getBoolean("yoyo.facetransparency",true);
241 if (ft) {
242 a.setTransparencyAttributes(
243 new TransparencyAttributes(TransparencyAttributes.BLENDED,0.2f)
244 );
245 colorAttrib.setColor(0.45f,0.4f,.5f);
246 } else {
247 polyAttrib.setPolygonOffset(2f);
248 colorAttrib.setColor(0.5f,0.4f,.5f);
249 }
250 }
251 a.setColoringAttributes(colorAttrib);
252 return a;
253 }
254
255 static Appearance wireframe1()
256 {
257
258 Appearance a = new Appearance();
259 PolygonAttributes polyAttrib = new PolygonAttributes();
260 polyAttrib.setPolygonMode(PolygonAttributes.POLYGON_LINE);
261 if (!Shell.getBoolean("yoyo.bfacecull",false)) {
262 polyAttrib.setCullFace(PolygonAttributes.CULL_NONE);
263 }
264 a.setLineAttributes(
265 new LineAttributes((float)Shell.getDouble("yoyo.linewidth",1),
266 LineAttributes.PATTERN_SOLID,true));
267 a.setPolygonAttributes(polyAttrib);
268 ColoringAttributes redColoring = new ColoringAttributes();
269 redColoring.setColor(.6f, 0.4f, 0.5f);
270 a.setColoringAttributes(redColoring);
271 a.setTransparencyAttributes(
272 new TransparencyAttributes(TransparencyAttributes.BLENDED,0.4f));
273
274 return a;
275 }
276
277 static Appearance wireframe2()
278 {
279 Appearance appearance1 = new Appearance();
280 PolygonAttributes polyAttrib = new PolygonAttributes();
281 polyAttrib.setPolygonMode(
282 Shell.getBoolean("yoyo.points",true) ?
283 PolygonAttributes.POLYGON_POINT :
284 PolygonAttributes.POLYGON_LINE
285
286 );
287 if (!Shell.getBoolean("yoyo.bfacecull",false)) {
288 polyAttrib.setCullFace(PolygonAttributes.CULL_NONE);
289 }
290
291 appearance1.setPolygonAttributes(polyAttrib);
292 appearance1.setPointAttributes(
293 new PointAttributes((float)Shell.getDouble("yoyo.pointsize",2), false));
294 appearance1.setLineAttributes(
295 new LineAttributes((float)Shell.getDouble("yoyo.linewidth",1),
296 LineAttributes.PATTERN_SOLID,true));
297 appearance1.setTransparencyAttributes(
298 new TransparencyAttributes(TransparencyAttributes.BLENDED,0.7f));
299 ColoringAttributes colorAttrib=new ColoringAttributes();
300 colorAttrib.setColor(0.8f,0.6f,1f);
301 appearance1.setColoringAttributes(colorAttrib);
302 return appearance1;
303 }
304
305 static Appearance wireframe3()
306 {
307 Appearance appearance1 = new Appearance();
308 PolygonAttributes polyAttrib = new PolygonAttributes();
309 polyAttrib.setPolygonMode(
310 Shell.getBoolean("yoyo.points",true) ?
311 PolygonAttributes.POLYGON_POINT :
312 PolygonAttributes.POLYGON_LINE
313
314 );
315 if (!Shell.getBoolean("yoyo.bfacecull",false)) {
316 polyAttrib.setCullFace(PolygonAttributes.CULL_NONE);
317 }
318
319 appearance1.setPolygonAttributes(polyAttrib);
320 appearance1.setPointAttributes(
321 new PointAttributes((float)Shell.getDouble("yoyo.pointsize",2), false));
322 appearance1.setLineAttributes(
323 new LineAttributes((float)Shell.getDouble("yoyo.linewidth",1),
324 LineAttributes.PATTERN_SOLID,true));
325 appearance1.setTransparencyAttributes(
326 new TransparencyAttributes(TransparencyAttributes.BLENDED,0.7f));
327
328 Material material = new Material();
329 material.setDiffuseColor(new Color3f(.8f, 0.6f, 1f));
330 appearance1.setMaterial(material);
331 return appearance1;
332 }
333
334 public static Appearance pointy()
335 {
336 Appearance a = new Appearance();
337 PolygonAttributes pa = new PolygonAttributes();
338 pa.setPolygonMode(PolygonAttributes.POLYGON_POINT);
339 pa.setCullFace(PolygonAttributes.CULL_NONE);
340 a.setPolygonAttributes(pa);
341 a.setPointAttributes(new PointAttributes(5,false));
342 a.setTransparencyAttributes(
343 new TransparencyAttributes(TransparencyAttributes.BLENDED,0.8f));
344 /*
345 new TransparencyAttributes(
346 TransparencyAttributes.BLENDED,0.9f,
347 TransparencyAttributes.BLEND_SRC_ALPHA,
348 TransparencyAttributes.BLEND_ONE));
349 */
350 ColoringAttributes colorAttrib=new ColoringAttributes();
351 colorAttrib.setColor(0.8f,0.6f,1f);
352 a.setColoringAttributes(colorAttrib);
353 return a;
354 }
355
356 public static Appearance pointy2()
357 {
358 Appearance a = new Appearance();
359 PolygonAttributes pa = new PolygonAttributes();
360 pa.setPolygonMode(PolygonAttributes.POLYGON_POINT);
361 pa.setCullFace(PolygonAttributes.CULL_NONE);
362 a.setPolygonAttributes(pa);
363 a.setPointAttributes(new PointAttributes(3,false));
364 a.setTransparencyAttributes(
365 new TransparencyAttributes(TransparencyAttributes.BLENDED,0.7f));
366
367 ColoringAttributes colorAttrib=new ColoringAttributes();
368 colorAttrib.setColor(0.8f,0.6f,1f);
369 a.setColoringAttributes(colorAttrib);
370 return a;
371 }
372
373 public static Appearance pointy3()
374 {
375 Appearance a = new Appearance();
376 PolygonAttributes pa = new PolygonAttributes();
377 pa.setPolygonMode(PolygonAttributes.POLYGON_POINT);
378 pa.setCullFace(PolygonAttributes.CULL_NONE);
379 a.setPolygonAttributes(pa);
380 a.setPointAttributes(new PointAttributes(3,false));
381
382 ColoringAttributes colorAttrib=new ColoringAttributes();
383 colorAttrib.setColor(0.8f,0.6f,1f);
384 a.setColoringAttributes(colorAttrib);
385 return a;
386 }
387 }