Simple single-color 8x8x8 LED Cube with AVRs
選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。

Led3D.java 9.2KB

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  1. /*
  2. * Led3D.java
  3. *
  4. *
  5. * Copyright 2011 Thomas Buck <xythobuz@me.com>
  6. * Copyright 2011 Max Nuding <max.nuding@gmail.com>
  7. * Copyright 2011 Felix Bäder <baeder.felix@gmail.com>
  8. *
  9. * This file is part of LED-Cube.
  10. *
  11. * LED-Cube is free software: you can redistribute it and/or modify
  12. * it under the terms of the GNU General Public License as published by
  13. * the Free Software Foundation, either version 3 of the License, or
  14. * (at your option) any later version.
  15. *
  16. * LED-Cube is distributed in the hope that it will be useful,
  17. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  19. * GNU General Public License for more details.
  20. *
  21. * You should have received a copy of the GNU General Public License
  22. * along with LED-Cube. If not, see <http://www.gnu.org/licenses/>.
  23. */
  24. import com.sun.j3d.utils.universe.*;
  25. import com.sun.j3d.utils.geometry.*;
  26. import javax.media.j3d.*;
  27. import javax.vecmath.*;
  28. import com.sun.j3d.utils.behaviors.mouse.*;
  29. import com.sun.j3d.utils.image.TextureLoader;
  30. import java.awt.Toolkit;
  31. /**
  32. * This class is responsible for displaying the 3D View of our Cube.
  33. *
  34. * @author Thomas Buck
  35. * @author Max Nuding
  36. * @author Felix Bäder
  37. * @version 1.0
  38. */
  39. public class Led3D {
  40. private Canvas3D canvas = null;
  41. private SimpleUniverse universe = null;
  42. private BranchGroup group = null;
  43. private Transform3D trans3D = null;
  44. private TransformGroup transGroup = null;
  45. private Matrix4d mat = null;
  46. private Matrix4d fullScreenMat = null;
  47. private Sphere[][][] leds = new Sphere[8][8][8];
  48. private static ColoringAttributes redColor = new ColoringAttributes(
  49. new Color3f(1.0f, 0.0f, 0.0f), ColoringAttributes.FASTEST);
  50. private static ColoringAttributes whiteColor = new ColoringAttributes(
  51. new Color3f(0.2f, 0.2f, 0.2f), ColoringAttributes.FASTEST);
  52. private static Material whiteMat = new Material(new Color3f(0.2f, 0.2f,
  53. 0.2f), new Color3f(0.0f, 0.0f, 0.0f),
  54. new Color3f(0.2f, 0.2f, 0.2f), new Color3f(0.2f, 0.2f, 0.2f), 64.0f);
  55. private static Material redMat = new Material(
  56. new Color3f(1.0f, 0.0f, 0.0f), new Color3f(1.0f, 0.0f, 0.0f),
  57. new Color3f(1.0f, 0.0f, 0.0f), new Color3f(1.0f, 0.0f, 0.0f), 64.0f);
  58. private Background background;
  59. private Background fullscreenBackground;
  60. /**
  61. * @param canv The Canvas3D we render our cube in
  62. */
  63. public Led3D(Canvas3D canv) {
  64. canvas = canv;
  65. group = new BranchGroup();
  66. // Position viewer, so we are looking at object
  67. trans3D = new Transform3D();
  68. mat = new Matrix4d();
  69. mat.setRow(0, 0.744, 0.0237, -0.66756, -0.34);
  70. mat.setRow(1, 0.136, -0.9837, 0.117, 3.24);
  71. mat.setRow(2, -0.6536, -0.1785, -0.735, -8.32);
  72. mat.setRow(3, 0.0, 0.0, 0.0, 1.0);
  73. fullScreenMat = new Matrix4d();
  74. fullScreenMat.setRow(0, 0.744, 0.0237, -0.66756, -0.34);
  75. fullScreenMat.setRow(1, 0.136, -0.9837, 0.117, 3.24);
  76. fullScreenMat.setRow(2, -0.6536, -0.1785, -0.735, -18.0);
  77. fullScreenMat.setRow(3, 0.0, 0.0, 0.0, 1.0);
  78. trans3D.set(mat);
  79. transGroup = new TransformGroup(trans3D);
  80. transGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
  81. transGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
  82. ViewingPlatform viewingPlatform = new ViewingPlatform();
  83. Viewer viewer = new Viewer(canvas);
  84. universe = new SimpleUniverse(viewingPlatform, viewer);
  85. BoundingBox boundBox = new BoundingBox(new Point3d(-5.0, -5.0, -5.0),
  86. new Point3d(13.0, 13.0, 13.0));
  87. // roration with left mouse button
  88. MouseRotate behaviour = new MouseRotate(transGroup);
  89. behaviour.setSchedulingBounds(boundBox);
  90. transGroup.addChild(behaviour);
  91. // zoom with middle mouse button
  92. MouseZoom beh2 = new MouseZoom(transGroup);
  93. beh2.setSchedulingBounds(boundBox);
  94. transGroup.addChild(beh2);
  95. // move with right mouse button
  96. MouseTranslate beh3 = new MouseTranslate(transGroup);
  97. beh3.setSchedulingBounds(boundBox);
  98. transGroup.addChild(beh3);
  99. group.setCapability(BranchGroup.ALLOW_CHILDREN_READ);
  100. group.setCapability(BranchGroup.ALLOW_CHILDREN_WRITE);
  101. group.setCapability(BranchGroup.ALLOW_DETACH);
  102. background = createBackground();
  103. fullscreenBackground = createFullscreenBackground();
  104. group.addChild(background);
  105. // Add all our led sphares to the universe
  106. for (int x = 0; x < 8; x++) {
  107. for (int y = 0; y < 8; y++) {
  108. for (int z = 0; z < 8; z++) {
  109. Appearance a = new Appearance();
  110. a.setMaterial(whiteMat);
  111. a.setColoringAttributes(whiteColor);
  112. leds[x][y][z] = new Sphere(0.08f,
  113. Sphere.ENABLE_APPEARANCE_MODIFY, a);
  114. TransformGroup tg = new TransformGroup();
  115. Transform3D transform = new Transform3D();
  116. Vector3f vector = new Vector3f(x, y, z);
  117. transform.setTranslation(vector);
  118. tg.setTransform(transform);
  119. tg.addChild(leds[x][y][z]);
  120. transGroup.addChild(tg);
  121. drawLedFeetVertical((double) x, y + 0.5, (double) z, 0.9f,
  122. 0.01f);
  123. if (x < 7)
  124. drawLedFeetHorizontal(x + 0.5, (double) y, (double) z,
  125. 0.9f, 0.01f, 0);
  126. }
  127. }
  128. // 8 times, use x as y
  129. drawLedFeetHorizontal(0.5, (double) x, 3.5, 7.0f, 0.02f, 90);
  130. drawLedFeetHorizontal(6.5, (double) x, 3.5, 7.0f, 0.02f, 90);
  131. drawLedFeetHorizontal(3.5, (double) x, 3.5, 7.0f, 0.02f, 90);
  132. }
  133. // Add an ambient light
  134. Color3f light2Color = new Color3f(1.0f, 1.0f, 1.0f);
  135. AmbientLight light2 = new AmbientLight(light2Color);
  136. BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0),
  137. 100.0);
  138. light2.setInfluencingBounds(bounds);
  139. light2.setEnable(true);
  140. transGroup.addChild(light2);
  141. group.addChild(transGroup);
  142. universe.addBranchGraph(group); // Add group to universe
  143. }
  144. private void drawLedFeetVertical(double x, double y, double z,
  145. float length, float rad) {
  146. // draw Feet going down
  147. Appearance feetApp = new Appearance();
  148. feetApp.setMaterial(whiteMat);
  149. feetApp.setColoringAttributes(whiteColor);
  150. Cylinder c = new Cylinder(rad, length, feetApp);
  151. TransformGroup tg = new TransformGroup();
  152. Transform3D transform = new Transform3D();
  153. Vector3d vector = new Vector3d(x, y, z);
  154. transform.setTranslation(vector);
  155. tg.setTransform(transform);
  156. tg.addChild(c);
  157. transGroup.addChild(tg);
  158. }
  159. private void drawLedFeetHorizontal(double x, double y, double z,
  160. float length, float rad, int deg) {
  161. // draw Feet going down
  162. Appearance feetApp = new Appearance();
  163. feetApp.setMaterial(whiteMat);
  164. feetApp.setColoringAttributes(whiteColor);
  165. Cylinder c = new Cylinder(rad, length, feetApp);
  166. TransformGroup tg = new TransformGroup();
  167. Transform3D transform = new Transform3D();
  168. Vector3d vector = new Vector3d(x, y, z);
  169. transform.rotZ(Math.toRadians(90));
  170. if (deg != 0)
  171. transform.rotX(Math.toRadians(deg));
  172. transform.setTranslation(vector);
  173. tg.setTransform(transform);
  174. tg.addChild(c);
  175. transGroup.addChild(tg);
  176. }
  177. /**
  178. * Rotate the cube back to its initial position.
  179. */
  180. public void resetView() {
  181. Matrix4d mat = new Matrix4d();
  182. mat.setRow(0, 0.744, 0.0237, -0.66756, -0.34);
  183. mat.setRow(1, 0.136, -0.9837, 0.117, 3.24);
  184. mat.setRow(2, -0.6536, -0.1785, -0.735, -8.32);
  185. mat.setRow(3, 0.0, 0.0, 0.0, 1.0);
  186. trans3D.set(mat);
  187. transGroup.setTransform(trans3D);
  188. }
  189. /**
  190. * Prints the translation matrix that is changed by moving/rotating the 3D
  191. * Cube with your mouse.
  192. */
  193. public void printTranslationData() {
  194. Matrix4d mat = new Matrix4d();
  195. Transform3D t = new Transform3D();
  196. transGroup.getTransform(t);
  197. t.get(mat);
  198. String s = mat.toString();
  199. System.out.println(s.replaceAll(", ", "\t"));
  200. }
  201. /**
  202. * Sets the data that is displayed by the LEDs
  203. *
  204. * @param data 64 byte array with the data (8 bits/LEDs per byte)
  205. */
  206. public void setData(short[] data) {
  207. for (int y = 0; y < 8; y++) {
  208. for (int z = 0; z < 8; z++) {
  209. for (int x = 0; x < 8; x++) {
  210. Appearance a = new Appearance();
  211. if ((data[y + (z * 8)] & (1 << x)) != 0) {
  212. // Activate led
  213. a.setColoringAttributes(redColor);
  214. a.setMaterial(redMat);
  215. } else {
  216. // Deactivate led
  217. a.setColoringAttributes(whiteColor);
  218. a.setMaterial(whiteMat);
  219. }
  220. leds[x][y][z].setAppearance(a);
  221. }
  222. }
  223. }
  224. }
  225. // create nice background
  226. private Background createBackground() {
  227. ImageComponent2D image = new TextureLoader(getClass().getResource(
  228. "bg.png"), null).getImage();
  229. Background bg = new Background(image);
  230. bg.setApplicationBounds(new BoundingSphere(new Point3d(0.0, 0.0, 0.0),
  231. 100.0));
  232. return bg;
  233. }
  234. //create fullscreen background
  235. private Background createFullscreenBackground() {
  236. Background bg = new Background(0.0f, 0.0f, 1.0f);
  237. int radius = Toolkit.getDefaultToolkit().getScreenSize().width;
  238. bg.setApplicationBounds(new BoundingSphere(new Point3d(0.0, 0.0, 0.0), radius));
  239. return bg;
  240. }
  241. public void enterFullscreen() {
  242. group.detach();
  243. if(group.indexOfChild(background) != -1){
  244. group.removeChild(background);
  245. }
  246. group.addChild(fullscreenBackground);
  247. universe.addBranchGraph(group);
  248. trans3D.set(fullScreenMat);
  249. transGroup.setTransform(trans3D);
  250. }
  251. public void leaveFullscreen() {
  252. group.detach();
  253. if(group.indexOfChild(fullscreenBackground) != -1) {
  254. group.removeChild(fullscreenBackground);
  255. }
  256. background = createBackground();
  257. group.addChild(background);
  258. universe.addBranchGraph(group);
  259. trans3D.set(mat);
  260. transGroup.setTransform(trans3D);
  261. }
  262. }