/* * Led3D.java * * * Copyright 2011 Thomas Buck * Copyright 2011 Max Nuding * Copyright 2011 Felix Bäder * * This file is part of LED-Cube. * * LED-Cube is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * LED-Cube is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with LED-Cube. If not, see . */ import com.sun.j3d.utils.universe.*; import com.sun.j3d.utils.geometry.*; import javax.media.j3d.*; import javax.vecmath.*; import com.sun.j3d.utils.behaviors.mouse.*; import com.sun.j3d.utils.image.TextureLoader; /** * This class is responsible for displaying the 3D View of our Cube. * * @author Thomas Buck * @author Max Nuding * @author Felix Bäder * @version 1.0 */ public class Led3D { private Canvas3D canvas = null; private SimpleUniverse universe = null; private BranchGroup group = null; private Transform3D trans3D = null; private TransformGroup transGroup = null; private Sphere[][][] leds = new Sphere[8][8][8]; private static ColoringAttributes redColor = new ColoringAttributes( new Color3f(1.0f, 0.0f, 0.0f), ColoringAttributes.FASTEST); private static ColoringAttributes whiteColor = new ColoringAttributes( new Color3f(0.2f, 0.2f, 0.2f), ColoringAttributes.FASTEST); private static Material whiteMat = new Material(new Color3f(0.2f, 0.2f, 0.2f), new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.2f, 0.2f, 0.2f), new Color3f(0.2f, 0.2f, 0.2f), 64.0f); private static Material redMat = new Material( new Color3f(1.0f, 0.0f, 0.0f), new Color3f(1.0f, 0.0f, 0.0f), new Color3f(1.0f, 0.0f, 0.0f), new Color3f(1.0f, 0.0f, 0.0f), 64.0f); /** * @param canv The Canvas3D we render our cube in */ public Led3D(Canvas3D canv) { canvas = canv; group = new BranchGroup(); // Position viewer, so we are looking at object trans3D = new Transform3D(); Matrix4d mat = new Matrix4d(); mat.setRow(0, 0.744, 0.0237, -0.66756, -0.34); mat.setRow(1, 0.136, -0.9837, 0.117, 3.24); mat.setRow(2, -0.6536, -0.1785, -0.735, -8.32); mat.setRow(3, 0.0, 0.0, 0.0, 1.0); trans3D.set(mat); transGroup = new TransformGroup(trans3D); transGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); transGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); ViewingPlatform viewingPlatform = new ViewingPlatform(); Viewer viewer = new Viewer(canvas); universe = new SimpleUniverse(viewingPlatform, viewer); BoundingBox boundBox = new BoundingBox(new Point3d(-5.0, -5.0, -5.0), new Point3d(13.0, 13.0, 13.0)); // roration with left mouse button MouseRotate behaviour = new MouseRotate(transGroup); behaviour.setSchedulingBounds(boundBox); transGroup.addChild(behaviour); // zoom with middle mouse button MouseZoom beh2 = new MouseZoom(transGroup); beh2.setSchedulingBounds(boundBox); transGroup.addChild(beh2); // move with right mouse button MouseTranslate beh3 = new MouseTranslate(transGroup); beh3.setSchedulingBounds(boundBox); transGroup.addChild(beh3); group.addChild(createBackground()); // Add all our led sphares to the universe for (int x = 0; x < 8; x++) { for (int y = 0; y < 8; y++) { for (int z = 0; z < 8; z++) { Appearance a = new Appearance(); a.setMaterial(whiteMat); a.setColoringAttributes(whiteColor); leds[x][y][z] = new Sphere(0.08f, Sphere.ENABLE_APPEARANCE_MODIFY, a); TransformGroup tg = new TransformGroup(); Transform3D transform = new Transform3D(); Vector3f vector = new Vector3f(x, y, z); transform.setTranslation(vector); tg.setTransform(transform); tg.addChild(leds[x][y][z]); transGroup.addChild(tg); drawLedFeetVertical((double) x, y + 0.5, (double) z, 0.9f, 0.01f); if (x < 7) drawLedFeetHorizontal(x + 0.5, (double) y, (double) z, 0.9f, 0.01f, 0); } } // 8 times, use x as y drawLedFeetHorizontal(0.5, (double) x, 3.5, 7.0f, 0.02f, 90); drawLedFeetHorizontal(6.5, (double) x, 3.5, 7.0f, 0.02f, 90); drawLedFeetHorizontal(3.5, (double) x, 3.5, 7.0f, 0.02f, 90); } // Add an ambient light Color3f light2Color = new Color3f(1.0f, 1.0f, 1.0f); AmbientLight light2 = new AmbientLight(light2Color); BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); light2.setInfluencingBounds(bounds); light2.setEnable(true); transGroup.addChild(light2); group.addChild(transGroup); universe.addBranchGraph(group); // Add group to universe } private void drawLedFeetVertical(double x, double y, double z, float length, float rad) { // draw Feet going down Appearance feetApp = new Appearance(); feetApp.setMaterial(whiteMat); feetApp.setColoringAttributes(whiteColor); Cylinder c = new Cylinder(rad, length, feetApp); TransformGroup tg = new TransformGroup(); Transform3D transform = new Transform3D(); Vector3d vector = new Vector3d(x, y, z); transform.setTranslation(vector); tg.setTransform(transform); tg.addChild(c); transGroup.addChild(tg); } private void drawLedFeetHorizontal(double x, double y, double z, float length, float rad, int deg) { // draw Feet going down Appearance feetApp = new Appearance(); feetApp.setMaterial(whiteMat); feetApp.setColoringAttributes(whiteColor); Cylinder c = new Cylinder(rad, length, feetApp); TransformGroup tg = new TransformGroup(); Transform3D transform = new Transform3D(); Vector3d vector = new Vector3d(x, y, z); transform.rotZ(Math.toRadians(90)); if (deg != 0) transform.rotX(Math.toRadians(deg)); transform.setTranslation(vector); tg.setTransform(transform); tg.addChild(c); transGroup.addChild(tg); } /** * Rotate the cube back to its initial position. */ public void resetView() { Matrix4d mat = new Matrix4d(); mat.setRow(0, 0.744, 0.0237, -0.66756, -0.34); mat.setRow(1, 0.136, -0.9837, 0.117, 3.24); mat.setRow(2, -0.6536, -0.1785, -0.735, -8.32); mat.setRow(3, 0.0, 0.0, 0.0, 1.0); trans3D.set(mat); transGroup.setTransform(trans3D); } /** * Prints the translation matrix that is changed by moving/rotating the 3D * Cube with your mouse. */ public void printTranslationData() { Matrix4d mat = new Matrix4d(); Transform3D t = new Transform3D(); transGroup.getTransform(t); t.get(mat); String s = mat.toString(); System.out.println(s.replaceAll(", ", "\t")); } /** * Sets the data that is displayed by the LEDs * * @param data 64 byte array with the data (8 bits/LEDs per byte) */ public void setData(short[] data) { for (int y = 0; y < 8; y++) { for (int z = 0; z < 8; z++) { for (int x = 0; x < 8; x++) { Appearance a = new Appearance(); if ((data[y + (z * 8)] & (1 << x)) != 0) { // Activate led a.setColoringAttributes(redColor); a.setMaterial(redMat); } else { // Deactivate led a.setColoringAttributes(whiteColor); a.setMaterial(whiteMat); } leds[x][y][z].setAppearance(a); } } } } // create nice background private Background createBackground() { ImageComponent2D image = new TextureLoader(getClass().getResource( "bg.png"), null).getImage(); Background bg = new Background(image); bg.setApplicationBounds(new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0)); return bg; } }