Moving lit sphere

From 53ebfcc5ad5554b67d2287f8b02c22ec8405af0f Mon Sep 17 00:00:00 2001 From: kcr Date: Wed, 9 Jun 2004 03:28:13 +0000 Subject: Initial creation of j3d-examples sources in CVS repository --- src/SphereMotion/SphereMotion.html | 15 ++ src/SphereMotion/SphereMotion.java | 301 ++++++++++++++++++++++++++++++ src/SphereMotion/SphereMotion_plugin.html | 39 ++++ src/SphereMotion/build.xml | 66 +++++++ 4 files changed, 421 insertions(+) create mode 100644 src/SphereMotion/SphereMotion.html create mode 100644 src/SphereMotion/SphereMotion.java create mode 100644 src/SphereMotion/SphereMotion_plugin.html create mode 100644 src/SphereMotion/build.xml (limited to 'src/SphereMotion') diff --git a/src/SphereMotion/SphereMotion.html b/src/SphereMotion/SphereMotion.html new file mode 100644 index 0000000..7656224 --- /dev/null +++ b/src/SphereMotion/SphereMotion.html @@ -0,0 +1,15 @@ + + +Moving lit sphere + + + +

+
+If you were using a Java-capable browser, +you would see a moving lit sphere instead of this paragraph. +
+

+ + + diff --git a/src/SphereMotion/SphereMotion.java b/src/SphereMotion/SphereMotion.java new file mode 100644 index 0000000..59b7c7d --- /dev/null +++ b/src/SphereMotion/SphereMotion.java @@ -0,0 +1,301 @@ +/* + * $RCSfile$ + * + * 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 com.sun.j3d.utils.applet.MainFrame; +import com.sun.j3d.utils.geometry.Sphere; +import com.sun.j3d.utils.universe.*; +import javax.media.j3d.*; +import javax.vecmath.*; +import java.util.Enumeration; + +public class SphereMotion extends Applet { + + // Constants for type of light to use + private static final int DIRECTIONAL_LIGHT = 0; + private static final int POINT_LIGHT = 1; + private static final int SPOT_LIGHT = 2; + + // Flag indicates type of lights: directional, point, or spot + // lights. This flag is set based on command line argument + private static int lightType = POINT_LIGHT; + + private SimpleUniverse u = null; + + public BranchGroup createSceneGraph(SimpleUniverse u) { + Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f); + Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f); + Color3f objColor = new Color3f(0.6f, 0.6f, 0.6f); + Color3f lColor1 = new Color3f(1.0f, 0.0f, 0.0f); + Color3f lColor2 = new Color3f(0.0f, 1.0f, 0.0f); + Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); + Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f); + + Transform3D t; + + // 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 lights + BoundingSphere bounds = + new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0); + + // Set up the background + Background bg = new Background(bgColor); + bg.setApplicationBounds(bounds); + objScale.addChild(bg); + + // Create a Sphere object, generate one copy of the sphere, + // and add it into the scene graph. + Material m = new Material(objColor, eColor, objColor, sColor, 100.0f); + Appearance a = new Appearance(); + m.setLightingEnable(true); + a.setMaterial(m); + Sphere sph = new Sphere(1.0f, Sphere.GENERATE_NORMALS, 80, a); + objScale.addChild(sph); + + // Create the transform group node for the each light and initialize + // it to the identity. Enable the TRANSFORM_WRITE capability so that + // our behavior code can modify it at runtime. Add them to the root + // of the subgraph. + TransformGroup l1RotTrans = new TransformGroup(); + l1RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); + objScale.addChild(l1RotTrans); + + TransformGroup l2RotTrans = new TransformGroup(); + l2RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); + objScale.addChild(l2RotTrans); + + // Create transformations for the positional lights + t = new Transform3D(); + Vector3d lPos1 = new Vector3d(0.0, 0.0, 2.0); + t.set(lPos1); + TransformGroup l1Trans = new TransformGroup(t); + l1RotTrans.addChild(l1Trans); + + t = new Transform3D(); + Vector3d lPos2 = new Vector3d(0.5, 0.8, 2.0); + t.set(lPos2); + TransformGroup l2Trans = new TransformGroup(t); + l2RotTrans.addChild(l2Trans); + + // Create Geometry for point lights + ColoringAttributes caL1 = new ColoringAttributes(); + ColoringAttributes caL2 = new ColoringAttributes(); + caL1.setColor(lColor1); + caL2.setColor(lColor2); + Appearance appL1 = new Appearance(); + Appearance appL2 = new Appearance(); + appL1.setColoringAttributes(caL1); + appL2.setColoringAttributes(caL2); + l1Trans.addChild(new Sphere(0.05f, appL1)); + l2Trans.addChild(new Sphere(0.05f, appL2)); + + // Create lights + AmbientLight aLgt = new AmbientLight(alColor); + + Light lgt1 = null; + Light lgt2 = null; + + Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f); + Point3f atten = new Point3f(1.0f, 0.0f, 0.0f); + Vector3f lDirect1 = new Vector3f(lPos1); + Vector3f lDirect2 = new Vector3f(lPos2); + lDirect1.negate(); + lDirect2.negate(); + + switch (lightType) { + case DIRECTIONAL_LIGHT: + lgt1 = new DirectionalLight(lColor1, lDirect1); + lgt2 = new DirectionalLight(lColor2, lDirect2); + break; + case POINT_LIGHT: + lgt1 = new PointLight(lColor1, lPoint, atten); + lgt2 = new PointLight(lColor2, lPoint, atten); + break; + case SPOT_LIGHT: + lgt1 = new SpotLight(lColor1, lPoint, atten, lDirect1, + 25.0f * (float)Math.PI / 180.0f, 10.0f); + lgt2 = new SpotLight(lColor2, lPoint, atten, lDirect2, + 25.0f * (float)Math.PI / 180.0f, 10.0f); + break; + } + + // Set the influencing bounds + aLgt.setInfluencingBounds(bounds); + lgt1.setInfluencingBounds(bounds); + lgt2.setInfluencingBounds(bounds); + + // Add the lights into the scene graph + objScale.addChild(aLgt); + l1Trans.addChild(lgt1); + l2Trans.addChild(lgt2); + + // 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 rotor1Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, + 0, 0, + 4000, 0, 0, + 0, 0, 0); + RotationInterpolator rotator1 = + new RotationInterpolator(rotor1Alpha, + l1RotTrans, + yAxis, + 0.0f, (float) Math.PI*2.0f); + rotator1.setSchedulingBounds(bounds); + l1RotTrans.addChild(rotator1); + + // Create a new Behavior object that will perform the desired + // operation on the specified transform object and add it into the + // scene graph. + Alpha rotor2Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, + 0, 0, + 1000, 0, 0, + 0, 0, 0); + RotationInterpolator rotator2 = + new RotationInterpolator(rotor2Alpha, + l2RotTrans, + yAxis, + 0.0f, 0.0f); + bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0); + rotator2.setSchedulingBounds(bounds); + l2RotTrans.addChild(rotator2); + + // Create a position interpolator and attach it to the view + // platform + TransformGroup vpTrans = + u.getViewingPlatform().getViewPlatformTransform(); + Transform3D axisOfTranslation = new Transform3D(); + Alpha transAlpha = new Alpha(-1, + Alpha.INCREASING_ENABLE | + Alpha.DECREASING_ENABLE, + 0, 0, + 5000, 0, 0, + 5000, 0, 0); + axisOfTranslation.rotY(-Math.PI/2.0); + PositionInterpolator translator = + new PositionInterpolator(transAlpha, + vpTrans, + axisOfTranslation, + 2.0f, 3.5f); + translator.setSchedulingBounds(bounds); + objScale.addChild(translator); + + // Let Java 3D perform optimizations on this scene graph. + objRoot.compile(); + + return objRoot; + } + + public SphereMotion() { + } + + public void init() { + setLayout(new BorderLayout()); + GraphicsConfiguration config = + SimpleUniverse.getPreferredConfiguration(); + + Canvas3D c = new Canvas3D(config); + add("Center", c); + + u = new SimpleUniverse(c); + BranchGroup scene = createSceneGraph(u); + + // 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 SphereMotion to be run as an application + // as well as an applet + // + public static void main(String[] args) { + // Parse the Input Arguments + String usage = "Usage: java SphereMotion [-point | -spot | -dir]"; + for (int i = 0; i < args.length; i++) { + if (args[i].startsWith("-")) { + if (args[i].equals("-point")) { + System.out.println("Using point lights"); + lightType = POINT_LIGHT; + } + else if (args[i].equals("-spot")) { + System.out.println("Using spot lights"); + lightType = SPOT_LIGHT; + } + else if (args[i].equals("-dir")) { + System.out.println("Using directional lights"); + lightType = DIRECTIONAL_LIGHT; + } + else { + System.out.println(usage); + System.exit(0); + } + } + else { + System.out.println(usage); + System.exit(0); + } + } + + new MainFrame(new SphereMotion(), 700, 700); + } +} diff --git a/src/SphereMotion/SphereMotion_plugin.html b/src/SphereMotion/SphereMotion_plugin.html new file mode 100644 index 0000000..7d3a632 --- /dev/null +++ b/src/SphereMotion/SphereMotion_plugin.html @@ -0,0 +1,39 @@ + + +Moving lit sphere + + + + +

+ + + + + + diff --git a/src/SphereMotion/build.xml b/src/SphereMotion/build.xml new file mode 100644 index 0000000..cbf53a8 --- /dev/null +++ b/src/SphereMotion/build.xml @@ -0,0 +1,66 @@ + + + + + + + + + + + + + + + + + + + + + + -- cgit v1.2.3