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Diffstat (limited to 'src/TickTockPicking/TickTockPicking.java')
| -rw-r--r-- | src/TickTockPicking/TickTockPicking.java | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/src/TickTockPicking/TickTockPicking.java b/src/TickTockPicking/TickTockPicking.java new file mode 100644 index 0000000..ca4603b --- /dev/null +++ b/src/TickTockPicking/TickTockPicking.java @@ -0,0 +1,446 @@ +/* + * $RCSfile$ + * + * Copyright (c) 2004 Sun Microsystems, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any + * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND + * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY + * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL + * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF + * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS + * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR + * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, + * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND + * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR + * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed, licensed or + * intended for use in the design, construction, operation or + * maintenance of any nuclear facility. + * + * $Revision$ + * $Date$ + * $State$ + */ + +import java.applet.Applet; +import java.awt.*; +import java.awt.event.*; +import com.sun.j3d.utils.applet.MainFrame; +import com.sun.j3d.utils.universe.*; +import com.sun.j3d.utils.image.TextureLoader; +import javax.media.j3d.*; +import javax.vecmath.*; + +public class TickTockPicking extends Applet { + + // path the the texture map image + private java.net.URL texImage = null; + + private SimpleUniverse u = null; + + public BranchGroup createSceneGraph(Canvas3D c) { + // Create the root of the branch graph + BranchGroup objRoot = new BranchGroup(); + + // Create a Transformgroup to scale all objects so they + // appear in the scene. + TransformGroup objScale = new TransformGroup(); + Transform3D t3d = new Transform3D(); + t3d.setScale(0.4); + objScale.setTransform(t3d); + objRoot.addChild(objScale); + + // Create a bounds for the background and behaviors + BoundingSphere bounds = + new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0); + + // Set up the background + Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f); + Background bg = new Background(bgColor); + bg.setApplicationBounds(bounds); + objScale.addChild(bg); + + // Set up the global lights + Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f); + Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f); + Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); + + AmbientLight aLgt = new AmbientLight(alColor); + aLgt.setInfluencingBounds(bounds); + DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1); + lgt1.setInfluencingBounds(bounds); + objScale.addChild(aLgt); + objScale.addChild(lgt1); + + // Create a pair of transform group nodes and initialize them to + // identity. Enable the TRANSFORM_WRITE capability so that + // our behaviors can modify them at runtime. Add them to the + // root of the subgraph. + TransformGroup objTrans1 = new TransformGroup(); + objTrans1.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); + objScale.addChild(objTrans1); + + TransformGroup objTrans2 = new TransformGroup(); + objTrans2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); + objTrans1.addChild(objTrans2); + + // Create the positioning and scaling transform group node. + Transform3D t = new Transform3D(); + t.set(0.3, new Vector3d(0.0, -1.5, 0.0)); + TransformGroup objTrans3 = new TransformGroup(t); + objTrans2.addChild(objTrans3); + + // Create a simple shape leaf node, set it's appearance, and + // add it to the scene graph. + Shape3D shape = new Cube(); + Appearance a = new Appearance(); + Color3f black = new Color3f(0.0f, 0.0f, 0.0f); + Color3f white = new Color3f(1.0f, 1.0f, 1.0f); + Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f); + a.setMaterial(new Material(objColor, black, objColor, + white, 80.0f)); + shape.setAppearance(a); + shape.setCapability(shape.ALLOW_APPEARANCE_READ); + shape.setCapability(shape.ALLOW_APPEARANCE_WRITE); + objTrans3.addChild(shape); + + // Create a new Behavior object that will perform the desired + // rotation on the specified transform object and add it into + // the scene graph. + Transform3D yAxis1 = new Transform3D(); + yAxis1.rotX(Math.PI/2.0); + Alpha tickTockAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | + Alpha.DECREASING_ENABLE, + 0, 0, + 5000, 2500, 200, + 5000, 2500, 200); + + RotationInterpolator tickTock = + new RotationInterpolator(tickTockAlpha, objTrans1, yAxis1, + -(float) Math.PI/2.0f, + (float) Math.PI/2.0f); + tickTock.setSchedulingBounds(bounds); + objTrans2.addChild(tickTock); + + // Create a new Behavior object that will perform the desired + // rotation on the specified transform object and add it into + // the scene graph. + Transform3D yAxis2 = new Transform3D(); + Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, + 0, 0, + 4000, 0, 0, + 0, 0, 0); + + RotationInterpolator rotator = + new RotationInterpolator(rotationAlpha, objTrans2, yAxis2, + 0.0f, (float) Math.PI*2.0f); + rotator.setSchedulingBounds(bounds); + objTrans2.addChild(rotator); + + // Now create the simple picking behavior + PickHighlightBehavior pickBeh = new + PickHighlightBehavior(c, objRoot, bounds); + + // Create a bunch of objects with a behavior and add them + // into the scene graph. + + int row, col; + Appearance[][] app = new Appearance[3][3]; + + for (row = 0; row < 3; row++) + for (col = 0; col < 3; col++) + app[row][col] = createAppearance(row * 3 + col); + + for (int i = 0; i < 3; i++) { + double ypos = (double)(i - 1) * 1.5; + for (int j = 0; j < 3; j++) { + double xpos = (double)(j - 1) * 1.5; + objScale.addChild(createObject(app[i][j], 0.3, xpos, ypos)); + } + } + + // Have Java 3D perform optimizations on this scene graph. + objRoot.compile(); + + return objRoot; + } + + + private Appearance createAppearance(int idx) { + Appearance app = new Appearance(); + + // Globally used colors + Color3f black = new Color3f(0.0f, 0.0f, 0.0f); + Color3f white = new Color3f(1.0f, 1.0f, 1.0f); + + switch (idx) { + // Unlit solid + case 0: + { + // Set up the coloring properties + Color3f objColor = new Color3f(1.0f, 0.2f, 0.4f); + ColoringAttributes ca = new ColoringAttributes(); + ca.setColor(objColor); + app.setColoringAttributes(ca); + break; + } + + + // Unlit wire frame + case 1: + { + // Set up the coloring properties + Color3f objColor = new Color3f(1.0f, 0.4f, 0.0f); + ColoringAttributes ca = new ColoringAttributes(); + ca.setColor(objColor); + app.setColoringAttributes(ca); + + // Set up the polygon attributes + PolygonAttributes pa = new PolygonAttributes(); + pa.setPolygonMode(pa.POLYGON_LINE); + pa.setCullFace(pa.CULL_NONE); + app.setPolygonAttributes(pa); + break; + } + + // Unlit points + case 2: + { + // Set up the coloring properties + Color3f objColor = new Color3f(1.0f, 1.0f, 0.0f); + ColoringAttributes ca = new ColoringAttributes(); + ca.setColor(objColor); + app.setColoringAttributes(ca); + + // Set up the polygon attributes + PolygonAttributes pa = new PolygonAttributes(); + pa.setPolygonMode(pa.POLYGON_POINT); + pa.setCullFace(pa.CULL_NONE); + app.setPolygonAttributes(pa); + + // Set up point attributes + PointAttributes pta = new PointAttributes(); + pta.setPointSize(5.0f); + app.setPointAttributes(pta); + break; + } + + // Lit solid + case 3: + { + // Set up the material properties + Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f); + app.setMaterial(new Material(objColor, black, objColor, + white, 80.0f)); + break; + } + + // Texture mapped, lit solid + case 4: + { + // Set up the texture map + TextureLoader tex = new TextureLoader(texImage, this); + app.setTexture(tex.getTexture()); + + TextureAttributes texAttr = new TextureAttributes(); + texAttr.setTextureMode(TextureAttributes.MODULATE); + app.setTextureAttributes(texAttr); + + // Set up the material properties + app.setMaterial(new Material(white, black, white, black, 1.0f)); + break; + } + + // Transparent, lit solid + case 5: + { + // Set up the transparency properties + TransparencyAttributes ta = new TransparencyAttributes(); + ta.setTransparencyMode(ta.BLENDED); + ta.setTransparency(0.6f); + app.setTransparencyAttributes(ta); + + // Set up the polygon attributes + PolygonAttributes pa = new PolygonAttributes(); + pa.setCullFace(pa.CULL_NONE); + app.setPolygonAttributes(pa); + + // Set up the material properties + Color3f objColor = new Color3f(0.7f, 0.8f, 1.0f); + app.setMaterial(new Material(objColor, black, objColor, + black, 1.0f)); + break; + } + + // Lit solid, no specular + case 6: + { + // Set up the material properties + Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f); + app.setMaterial(new Material(objColor, black, objColor, + black, 80.0f)); + break; + } + + // Lit solid, specular only + case 7: + { + // Set up the material properties + Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f); + app.setMaterial(new Material(black, black, black, + white, 80.0f)); + break; + } + + // Another lit solid with a different color + case 8: + { + // Set up the material properties + Color3f objColor = new Color3f(0.8f, 0.8f, 0.0f); + app.setMaterial(new Material(objColor, black, objColor, + white, 80.0f)); + break; + } + + default: + { + ColoringAttributes ca = new ColoringAttributes(); + ca.setColor(new Color3f(0.0f, 1.0f, 0.0f)); + app.setColoringAttributes(ca); + } + } + + return app; + } + + + private Group createObject(Appearance app, double scale, + double xpos, double ypos) { + + // Create a transform group node to scale and position the object. + Transform3D t = new Transform3D(); + t.set(scale, new Vector3d(xpos, ypos, 0.0)); + TransformGroup objTrans = new TransformGroup(t); + + // Create a second transform group node and initialize it to the + // identity. Enable the TRANSFORM_WRITE capability so that + // our behavior code can modify it at runtime. + TransformGroup spinTg = new TransformGroup(); + spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); + spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); + + // Create a simple shape leaf node and set the appearance + Shape3D shape = new Tetrahedron(); + shape.setAppearance(app); + shape.setCapability(shape.ALLOW_APPEARANCE_READ); + shape.setCapability(shape.ALLOW_APPEARANCE_WRITE); + + // add it to the scene graph. + spinTg.addChild(shape); + + // Create a new Behavior object that will perform the desired + // operation on the specified transform object and add it into + // the scene graph. + Transform3D yAxis = new Transform3D(); + Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, + 0, 0, + 5000, 0, 0, + 0, 0, 0); + + RotationInterpolator rotator = + new RotationInterpolator(rotationAlpha, spinTg, yAxis, + 0.0f, (float) Math.PI*2.0f); + + BoundingSphere bounds = + new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0); + + rotator.setSchedulingBounds(bounds); + + // Add the behavior and the transform group to the object + objTrans.addChild(rotator); + objTrans.addChild(spinTg); + + return objTrans; + } + + + public TickTockPicking() { + } + + public TickTockPicking(java.net.URL url) { + texImage = url; + } + + public void init() { + if (texImage == null) { + // the path to the image for an applet + try { + texImage = new java.net.URL(getCodeBase().toString() + + "../images/apimage.jpg"); + } + catch (java.net.MalformedURLException ex) { + System.out.println(ex.getMessage()); + System.exit(1); + } + } + + setLayout(new BorderLayout()); + GraphicsConfiguration config = + SimpleUniverse.getPreferredConfiguration(); + + Canvas3D c = new Canvas3D(config); + add("Center", c); + + // Create a simple scene and attach it to the virtual universe + BranchGroup scene = createSceneGraph(c); + u = new SimpleUniverse(c); + + // This will move the ViewPlatform back a bit so the + // objects in the scene can be viewed. + u.getViewingPlatform().setNominalViewingTransform(); + + u.addBranchGraph(scene); + + } + + public void destroy() { + u.cleanup(); + } + + // + // The following allows TickTockPicking to be run as an application + // as well as an applet + // + public static void main(String[] args) { + // the path the the texture map for an application + java.net.URL url = null; + try { + url = new java.net.URL("file:../images/apimage.jpg"); + } + catch (java.net.MalformedURLException ex) { + System.out.println(ex.getMessage()); + System.exit(1); + } + new MainFrame(new TickTockPicking(url), 700, 700); + } +} |