Java/3D/Clip

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Model Clip

/*
 *  @(#)ModelClipTest2.java 1.10 02/10/21 13:45:04
 *
 * Copyright (c) 1996-2002 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:
 *
 * - Redistributions 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 AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THE 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 SOFTWARE,
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 *
 * You acknowledge that Software is not designed,licensed or intended
 * for use in the design, construction, operation or maintenance of
 * any nuclear facility.
 */
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.GraphicsConfiguration;
import javax.media.j3d.AmbientLight;
import javax.media.j3d.Appearance;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.DirectionalLight;
import javax.media.j3d.Material;
import javax.media.j3d.ModelClip;
import javax.media.j3d.PolygonAttributes;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.AxisAngle4f;
import javax.vecmath.Color3f;
import javax.vecmath.Point3d;
import javax.vecmath.Vector3f;
import javax.vecmath.Vector4d;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.behaviors.mouse.MouseRotate;
import com.sun.j3d.utils.behaviors.mouse.MouseZoom;
import com.sun.j3d.utils.geometry.Box;
import com.sun.j3d.utils.geometry.Cylinder;
import com.sun.j3d.utils.universe.SimpleUniverse;
/**
 * ModelClipTest2 draws a cylinder and creates two clip planes to see the
 * interior of the cylinder. It also has a behavior to move the clip planes.
 */
public class ModelClipTest2 extends Applet {
  private SimpleUniverse u;
  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 lights
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0),
        100.0);
    //Shine it with two colored lights.
    Color3f lColor0 = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f lColor1 = new Color3f(0.5f, 0.0f, 0.5f);
    Color3f lColor2 = new Color3f(0.7f, 0.7f, 0.0f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, 1.0f);
    Vector3f lDir2 = new Vector3f(0.0f, 0.0f, -1.0f);
    AmbientLight lgt0 = new AmbientLight(true, lColor2);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    DirectionalLight lgt2 = new DirectionalLight(lColor2, lDir2);
    lgt0.setInfluencingBounds(bounds);
    lgt1.setInfluencingBounds(bounds);
    lgt2.setInfluencingBounds(bounds);
    objScale.addChild(lgt0);
    objScale.addChild(lgt1);
    objScale.addChild(lgt2);
    // Create a Transformgroup for the geometry
    TransformGroup objRot = new TransformGroup();
    Transform3D t3d1 = new Transform3D();
    AxisAngle4f rot1 = new AxisAngle4f(0.0f, 1.0f, 0.0f, 45.0f);
    t3d1.setRotation(rot1);
    objRot.setTransform(t3d1);
    objScale.addChild(objRot);
    //Create a cylinder
    PolygonAttributes attr = new PolygonAttributes();
    attr.setCullFace(PolygonAttributes.CULL_NONE);
    Appearance ap = new Appearance();
    Material mat = new Material();
    mat.setLightingEnable(true);
    ap.setMaterial(mat);
    ap.setPolygonAttributes(attr);
    Cylinder CylinderObj = new Cylinder(0.5f, 2.2f, ap);
    objRot.addChild(CylinderObj);
    //Create a box
    Box BoxObj = new Box(0.8f, 0.8f, 0.8f, ap);
    objRot.addChild(BoxObj);
    // This Transformgroup is used by the mouse manipulators to
    // move the model clip planes.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objRot.addChild(objTrans);
    // Create the rotate behavior node
    MouseRotate behavior = new MouseRotate(objTrans);
    objTrans.addChild(behavior);
    behavior.setSchedulingBounds(bounds);
    // Create the zoom behavior node
    MouseZoom behavior2 = new MouseZoom(objTrans);
    objTrans.addChild(behavior2);
    behavior2.setSchedulingBounds(bounds);
    //Create Model Clip
    ModelClip mc = new ModelClip();
    boolean enables[] = { false, false, false, false, false, false };
    Vector4d eqn = new Vector4d(0.0, 1.0, 1.0, 0.0);
    mc.setEnables(enables);
    mc.setPlane(1, eqn);
    mc.setEnable(1, true);
    mc.setInfluencingBounds(bounds);
    objTrans.addChild(mc);
    // Let Java 3D perform optimizations on this scene graph.
    objRoot.rupile();
    return objRoot;
  }
  public ModelClipTest2() {
  }
  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);
    // 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();
  }
  public static void main(String argv[]) {
    BranchGroup group;
    new MainFrame(new ModelClipTest2(), 500, 500);
  }
}





Model Clip Test

/*
 *  @(#)ModelClipTest.java 1.10 02/10/21 13:45:01
 *
 * Copyright (c) 1996-2002 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:
 *
 * - Redistributions 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 AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THE 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 SOFTWARE,
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 *
 * You acknowledge that Software is not designed,licensed or intended
 * for use in the design, construction, operation or maintenance of
 * any nuclear facility.
 */
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.GraphicsConfiguration;
import javax.media.j3d.Appearance;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.DirectionalLight;
import javax.media.j3d.Material;
import javax.media.j3d.ModelClip;
import javax.media.j3d.PolygonAttributes;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Color3f;
import javax.vecmath.Point3d;
import javax.vecmath.Vector3f;
import javax.vecmath.Vector4d;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.behaviors.mouse.MouseRotate;
import com.sun.j3d.utils.behaviors.mouse.MouseZoom;
import com.sun.j3d.utils.geometry.Cylinder;
import com.sun.j3d.utils.universe.SimpleUniverse;
/**
 * ModelClipTest draws a cylinder and creates two clip planes to see the
 * interior of the cylinder.
 */
public class ModelClipTest extends Applet {
  private SimpleUniverse u = null;
  public BranchGroup createSceneGraph() {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0),
        100.0);
    // 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);
    // This Transformgroup is used by the mouse manipulators to
    // move the CYlinder.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objScale.addChild(objTrans);
    //Create Model Clip
    ModelClip mc = new ModelClip();
    boolean enables[] = { false, false, false, false, false, false };
    Vector4d eqn1 = new Vector4d(0.0, 1.0, 0.0, 0.0);
    Vector4d eqn2 = new Vector4d(1.0, 1.0, 0.0, 0.0);
    mc.setEnables(enables);
    mc.setPlane(1, eqn1);
    mc.setPlane(2, eqn2);
    mc.setEnable(1, true);
    mc.setEnable(2, true);
    mc.setInfluencingBounds(bounds);
    objTrans.addChild(mc);
    //Create a cylinder
    PolygonAttributes attr = new PolygonAttributes();
    attr.setCullFace(PolygonAttributes.CULL_NONE);
    Appearance ap = new Appearance();
    Material mat = new Material();
    mat.setLightingEnable(true);
    ap.setMaterial(mat);
    ap.setPolygonAttributes(attr);
    Cylinder CylinderObj = new Cylinder(1.0f, 2.0f, ap);
    objTrans.addChild(CylinderObj);
    // Create the rotate behavior node
    MouseRotate behavior = new MouseRotate(objTrans);
    objTrans.addChild(behavior);
    behavior.setSchedulingBounds(bounds);
    // Create the zoom behavior node
    MouseZoom behavior2 = new MouseZoom(objTrans);
    objTrans.addChild(behavior2);
    behavior2.setSchedulingBounds(bounds);
    //Shine it with two colored lights.
    Color3f lColor1 = new Color3f(0.5f, 0.0f, 0.5f);
    Color3f lColor2 = new Color3f(0.7f, 0.7f, 0.0f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, 1.0f);
    Vector3f lDir2 = new Vector3f(0.0f, 0.0f, -1.0f);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    DirectionalLight lgt2 = new DirectionalLight(lColor2, lDir2);
    lgt1.setInfluencingBounds(bounds);
    lgt2.setInfluencingBounds(bounds);
    objScale.addChild(lgt1);
    objScale.addChild(lgt2);
    // Let Java 3D perform optimizations on this scene graph.
    objRoot.rupile();
    return objRoot;
  }
  public ModelClipTest() {
  }
  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);
    // 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();
  }
  public static void main(String argv[]) {
    BranchGroup group;
    new MainFrame(new ModelClipTest(), 500, 500);
  }
}


Источник — «http://jexp.ru/index.php?title=Java/3D/Clip&oldid=6449»