import com.sun.j3d.utils.image.*; import com.sun.j3d.utils.behaviors.mouse.MouseRotate; import com.sun.j3d.utils.behaviors.mouse.MouseZoom; import com.sun.j3d.utils.behaviors.mouse.MouseTranslate; import java.applet.*; import java.awt.*; import java.lang.Float; import java.io.*; import java.net.*; import java.awt.BorderLayout; import java.awt.event.*; import javax.media.j3d.*; import javax.vecmath.*; import com.sun.j3d.utils.universe.*; import com.sun.j3d.utils.applet.MainFrame; import com.sun.j3d.utils.geometry.Sphere; import java.util.Enumeration; import com.sun.j3d.utils.image.TextureLoader; public class ParticleWorld001 extends Applet implements ActionListener //, Runnable { public static Panel guiPanel; public static ParticleWorld001 particleWorld001; public static Frame frame; int boxSize; int numberOfBoxes; int trailBoxes; int objectType = 0; int sceneCount =1; CheckboxGroup gcb; BranchGroup scene; TextField e; TextField s; TextField tr; public static Scrollbar sl1; boolean appletFlag = true; boolean addReset = false; Thread operatorThread; ParticleSystem particleSystem; boolean updateOn = false; // Sets the "applet" flag which is used to determine whether or not this program is running as an applet. public void setAppletFlag(boolean flag) { appletFlag = flag; } // set up the lights and background as the parent node public BranchGroup createSceneGraph() { // Define colors Color3f white = new Color3f(1.0f, 1.0f, 1.0f); Color3f bgColor = new Color3f(0.8f, 0.8f, 0.2f); // Create the branch group BranchGroup branchGroup = new BranchGroup(); // Create a Transformgroup to scale all objectsR so they appear in the scene. TransformGroup objScale = new TransformGroup(); objScale.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); objScale.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D t3d = new Transform3D(); t3d.setScale(0.04); objScale.setTransform(t3d); branchGroup.addChild(objScale); // Create the bounding leaf node BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0); BoundingLeaf boundingLeaf = new BoundingLeaf(bounds); objScale.addChild(boundingLeaf); // Get the texture // TextureLoader texl = new TextureLoader("out001.jpg", this); TextureLoader texl = new TextureLoader("out001.jpg", new Panel()); ImageComponent2D tex = texl.getImage(); // Set up the background Background bg = new Background(tex); bg.setApplicationBounds(bounds); //bg.setImage(tex); objScale.addChild(bg); // Create the ambient light AmbientLight ambLight = new AmbientLight(white); ambLight.setInfluencingBounds(bounds); objScale.addChild(ambLight); // Create the directional light Vector3f dir = new Vector3f(-1.0f, -1.0f, -1.0f); DirectionalLight dirLight = new DirectionalLight(white, dir); dirLight.setInfluencingBounds(bounds); objScale.addChild(dirLight); // Let Java 3D perform optimizations on this scene graph. branchGroup.setCapability(BranchGroup.ALLOW_CHILDREN_READ); branchGroup.setCapability(BranchGroup.ALLOW_CHILDREN_WRITE); branchGroup.compile(); return branchGroup; } // creates the randomly placed objectsR and groups them into a child node // includes the mouse behavior for zooming and rotating the objectsR public BranchGroup objectGraph() { Color3f white = new Color3f(1.0f, 1.0f, 1.0f); Color3f black = new Color3f(0.0f, 0.0f, 0.0f); Color3f red = new Color3f(0.80f, 0.20f, 0.2f); Color3f blue = new Color3f(0.20f, 0.20f, 0.80f); Color3f diffuseRed = new Color3f(0.75f, 0.0f, 0.0f); Color3f diffuseBlue = new Color3f(0.0f, 0.0f, 0.75f); Color3f diffuseWhite = new Color3f(0.75f, 0.75f, 0.75f); Color3f specularRed = new Color3f(1.0f, 0.2f, 0.3f); Color3f specularBlue = new Color3f(0.30f, 0.2f, 1.0f); Color3f specularWhite = new Color3f(1.0f,1.0f,1.0f); Color3f ambientRed = new Color3f(0.25f, 0.0f, 0.0f); Color3f ambientBlue = new Color3f(0.0f, 0.0f, 0.25f); Color3f ambientWhite = new Color3f(0.15f, 0.15f, 0.15f); Color3f ambient = new Color3f(0.2f, 0.2f, 0.2f); Color3f diffuse = new Color3f(0.7f, 0.7f, 0.7f); Color3f specular = new Color3f(0.7f, 0.7f, 0.7f); // Create the branch group BranchGroup branchGroup = new BranchGroup(); // Create a Transformgroup to scale all objectsR so they appear in the scene. TransformGroup objScale = new TransformGroup(); objScale.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); objScale.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D t3d = new Transform3D(); t3d.setScale(0.018); objScale.setTransform(t3d); branchGroup.addChild(objScale); // Create the bounding leaf node BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 250); BoundingLeaf boundingLeaf = new BoundingLeaf(bounds); objScale.addChild(boundingLeaf); // Create the red appearance node Material redMaterial = new Material(ambientRed, black, diffuseRed, specularRed, 100.0f); redMaterial.setLightingEnable(true); Appearance redAppearance = new Appearance(); redAppearance.setMaterial(redMaterial); // Create the blue appearance node Material blueMaterial = new Material(ambientBlue, black, diffuseBlue, specularBlue, 100.0f); blueMaterial.setLightingEnable(true); Appearance blueAppearance = new Appearance(); blueAppearance.setMaterial(blueMaterial); // Create the white appearance node Material whiteMaterial = new Material(ambientWhite, black, diffuseWhite, specularWhite, 100.0f); whiteMaterial.setLightingEnable(true); Appearance whiteAppearance = new Appearance(); whiteAppearance.setMaterial(whiteMaterial); // Set up the coloring properties Color3f objColor = new Color3f(0.2f, 0.2f, 1.0f); ColoringAttributes ca = new ColoringAttributes(); ca.setColor(objColor); whiteAppearance.setColoringAttributes(ca); // Create the transform node TransformGroup transformGroup = new TransformGroup(); transformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); transformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); // public ParticleSystem(int n, int s, int width, int depth, int height) particleSystem = new ParticleSystem(numberOfBoxes, boxSize, 10,10,10, objectType, trailBoxes, this); transformGroup.addChild(particleSystem.getChild()); objScale.addChild(transformGroup); // Create the drag behavior node MouseRotate behavior = new MouseRotate(); behavior.setTransformGroup(transformGroup); transformGroup.addChild(behavior); behavior.setSchedulingBounds(bounds); // Create the zoom behavior node MouseZoom behavior2 = new MouseZoom(); behavior2.setTransformGroup(transformGroup); transformGroup.addChild(behavior2); behavior2.setSchedulingBounds(bounds); // Create the zoom behavior node MouseTranslate behavior3 = new MouseTranslate(); behavior3.setTransformGroup(transformGroup); transformGroup.addChild(behavior3); behavior3.setSchedulingBounds(bounds); // Let Java 3D perform optimizations on this scene graph. branchGroup.setCapability(BranchGroup.ALLOW_CHILDREN_READ); branchGroup.setCapability(BranchGroup.ALLOW_CHILDREN_WRITE); branchGroup.setCapability(BranchGroup.ALLOW_DETACH); // branchGroup.compile(); return branchGroup; } // The main starting point public void init() { // Set up the world if running as an applet if(appletFlag){particleWorld001 = new ParticleWorld001();} // Create the user interface controls makePanel(); // Set the layout manager setLayout(new BorderLayout()); // Create the 3D canvas Canvas3D canvas = new Canvas3D(null); add("Center", canvas); // Create the scene branch graph scene = createSceneGraph(); // Insert the inital set of objectsR BranchGroup scene2 = objectGraph(); scene.insertChild(scene2, 1); // Create the Universe, the Locale, and the view branch graph SimpleUniverse u = new SimpleUniverse(canvas); // This will move the ViewPlatform back a bit so the objectsR in the scene can be viewed. u.getViewingPlatform().setNominalViewingTransform(); u.addBranchGraph(scene); frame = new Frame("Drag the mouse in the window"); //----------------------- int fwidth = 280; // <---------------------- int fheight = 400; // <---------------------- //----------------------- frame.setSize(fwidth,fheight); frame.setLocation(1024/2-fwidth/2,768/2-fheight/2); frame.add("South", guiPanel); frame.add("Center", particleWorld001); frame.addWindowListener(new killAdapter()); frame.setVisible(true); start(); } // Inner class used to "kill" the window when running as // an application. static class killAdapter extends WindowAdapter { public void windowClosing(WindowEvent event) { System.exit(0); } } // Activated by the reset button, this creates a new set of objectsR // And replaces the existing objectsR scene public void reset() { // Determines if spheres or boxes are selected and sets the control variable if (gcb.getSelectedCheckbox().getLabel() == "Lines") { objectType = 1; System.out.println("Lines Chosen"); } else { objectType = 0; System.out.println("Boxes Chosen"); }; System.out.println("Object Type = " +objectType); numberOfBoxes = Integer.parseInt(s.getText().trim()); boxSize = Integer.parseInt(e.getText().trim()); trailBoxes = Integer.parseInt(tr.getText().trim()); System.out.println("WORLD --- trailBoxes = Integer.parseInt(tr.getText().trim());" +trailBoxes); BranchGroup scene2 = objectGraph(); if(addReset) { sceneCount++; scene.insertChild(scene2, sceneCount); //scene.setChild(scene2, sceneCount); } else { if(sceneCount > 1) { for(int rmv=sceneCount;rmv>1;rmv--) { scene.removeChild(rmv); }; }; sceneCount = 1; scene.setChild(scene2, 1); }; } // Do this when the Reset button has been pressed public void actionPerformed(ActionEvent ev) { try { if(ev.getActionCommand() == "Reset"){reset();}; if(ev.getActionCommand() == "Add") { addReset = true; reset(); addReset = false; }; if(ev.getActionCommand() == "Update") { if(updateOn) { updateOn = false; System.out.println("WORLD -- Update Off"); } else { updateOn = true; System.out.println("WORLD -- Update On"); }; } } catch (Exception e) { }; System.gc(); } // Used when running as an application. public static void main(String[] args) { particleWorld001 = new ParticleWorld001(); particleWorld001.setAppletFlag(false); particleWorld001.init(); } // Creates the Control panel public void makePanel() { guiPanel = new Panel(); Panel resetscroll = new Panel(); Panel variables = new Panel(); Panel radioBox = new Panel(); Panel actualControls = new Panel(); Panel buttons = new Panel(); Label size = new Label(); Label num = new Label(); Label trlr = new Label(); e = new TextField("1", 4); s = new TextField("1",4); tr = new TextField("1",4); gcb = new CheckboxGroup(); Button b1 = new Button("Reset"); Button b2 = new Button("Update"); Button b3 = new Button("Add"); b1.addActionListener(this); b2.addActionListener(this); b3.addActionListener(this); sl1 = new Scrollbar(Scrollbar.VERTICAL, 200, 1, 0, 200); numberOfBoxes = Integer.parseInt(s.getText().trim()); boxSize = Integer.parseInt(e.getText().trim()); trailBoxes = Integer.parseInt(tr.getText().trim()); size.setText("Size"); num.setText("Number"); trlr.setText("Trailers"); variables.setLayout(new GridLayout(3,3)); variables.add(size); variables.add(e); variables.add(b1); variables.add(num); variables.add(s); variables.add(b2); variables.add(trlr); variables.add(tr); variables.add(b3); guiPanel.setLayout(new BorderLayout()); guiPanel.setBackground(Color.lightGray); guiPanel.add(variables, BorderLayout.CENTER); guiPanel.add(sl1, BorderLayout.EAST); radioBox.setLayout(new GridLayout(1,2)); radioBox.setBackground(Color.lightGray); radioBox.add(new Checkbox("Boxes", gcb, true)); radioBox.add(new Checkbox("Lines", gcb, false)); guiPanel.add(radioBox, BorderLayout.NORTH); } /* public void start() { if (operatorThread != Thread.currentThread() ) { operatorThread = new Thread(this); operatorThread.start(); }; run(); }; public void stop() { operatorThread = null; }; public void run() { while (operatorThread == Thread.currentThread() ) { while (updateOn) { try {Thread.sleep(sl1.getValue());} catch (Exception e) {}; particleSystem.update(); }; }; }; */ }