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Diffstat (limited to 'src/PlatformGeometry/SimpleGeometry.java')
| -rw-r--r-- | src/PlatformGeometry/SimpleGeometry.java | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/PlatformGeometry/SimpleGeometry.java b/src/PlatformGeometry/SimpleGeometry.java new file mode 100644 index 0000000..5913b31 --- /dev/null +++ b/src/PlatformGeometry/SimpleGeometry.java @@ -0,0 +1,198 @@ +/* + * $RCSfile$ + * + * 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 com.sun.j3d.utils.geometry.ColorCube; +import com.sun.j3d.utils.geometry.*; +import com.sun.j3d.utils.behaviors.mouse.MouseTranslate; +import com.sun.j3d.utils.universe.*; +import javax.media.j3d.*; +import javax.vecmath.*; +import java.applet.Applet; +import com.sun.j3d.utils.applet.MainFrame; +import java.awt.*; + +/** + * This class demonstrates the use of the Universe builder for stand-alone + * applications along with the use of the PlatformGeometry node that is + * present in the Java 3D Universe Builder utility. The standard + * HelloWorld application is brought up. A transparent cylinder has been + * added to the PlatfromGeometry node of the ViewingPlatform and the + * MouseTranslate utility has been used to allow this sphere to be dragged + * around the canvas. + */ +public class SimpleGeometry extends Applet { + + SimpleUniverse u = null; + + public BranchGroup createSceneGraph() { + // 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 the transform group node and initialize it to the + // identity. Enable the TRANSFORM_WRITE capability so that + // our behavior code can modify it at runtime. Add it to the + // root of the subgraph. + TransformGroup objTrans = new TransformGroup(); + objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); + objScale.addChild(objTrans); + + // Create a simple shape leaf node, add it to the scene graph. + objTrans.addChild(new ColorCube()); + + // 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, + 4000, 0, 0, + 0, 0, 0); + + RotationInterpolator rotator = + new RotationInterpolator(rotationAlpha, objTrans, 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); + objTrans.addChild(rotator); + + + // Have Java 3D perform optimizations on this scene graph. + objRoot.compile(); + + return objRoot; + } + + /* + * Create the geometry to add to the platform geometry. + */ + PlatformGeometry createAimer() { + + PlatformGeometry pg = new PlatformGeometry(); + + // This TransformGroup will be used by the MouseTranslate + // utiltiy to move the cylinder around the canvas. when the + // the user holds down mouse button 3. + TransformGroup moveTG = new TransformGroup(); + moveTG.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); + moveTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); + MouseTranslate mouseT = new MouseTranslate(moveTG); + moveTG.addChild(mouseT); + BoundingSphere bounds = + new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0); + mouseT.setSchedulingBounds(bounds); + pg.addChild(moveTG); + + // This TransformGroup is used to place the cylinder in the scene. + // The cylinder will be rotated 90 degrees so it will appear as + // a circle on the screen (could be made into a nice gun site...). + // The cylinder is also displaced a little in Z so it is in front + // of the viewer. + Transform3D xForm = new Transform3D(); + xForm.rotX(Math.PI/2.0); + xForm.setTranslation(new Vector3d(0.0, 0.0, -0.7)); + TransformGroup placementTG = new TransformGroup(xForm); + moveTG.addChild(placementTG); + + // Create the cylinder - make it thin and transparent. + Appearance cylinderAppearance = new Appearance(); + TransparencyAttributes transAttrs = + new TransparencyAttributes(TransparencyAttributes.FASTEST, 0.5f); + // cylinderAppearance.setTransparencyAttributes(transAttrs); + Cylinder aimer = new Cylinder(0.06f, 0.005f, 0, cylinderAppearance); + placementTG.addChild(aimer); + + return pg; + } + + public void init() { + + 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(); + + u = new SimpleUniverse(c); + + PlatformGeometry pg = createAimer(); + + // Now set the just created PlatformGeometry. + ViewingPlatform vp = u.getViewingPlatform(); + vp.setPlatformGeometry(pg); + + // This will move the ViewPlatform back a bit so the + // objects in the scene can be viewed. + u.getViewingPlatform().setNominalViewingTransform(); + + // Add everthing to the scene graph - it will now be displayed. + u.addBranchGraph(scene); + } + + public SimpleGeometry(String[] args) { + } + + public SimpleGeometry() { + } + + public void destroy() { + u.cleanup(); + } + + public static void main(String[] args) { + new MainFrame(new SimpleGeometry(args), 256, 256); + } +} |