Java Sphere类代码示例

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
/** Create 3D geometry. */
@Override
protected void create3D() {
	Appearance appear = new Appearance();

	material.setCapability(Material.ALLOW_COMPONENT_WRITE);
	material.setDiffuseColor(color);
	material.setSpecularColor(black);
	appear.setMaterial(material);
	int flags = Primitive.GEOMETRY_NOT_SHARED | Primitive.ENABLE_GEOMETRY_PICKING | Primitive.GENERATE_NORMALS;

	body = new Sphere(radius, flags, appear);

	// we must be able to change the pick flag of the agent
	body.setCapability(Node.ALLOW_PICKABLE_READ);
	body.setCapability(Node.ALLOW_PICKABLE_WRITE);
	body.setPickable(true);
	body.setCollidable(true);
	addChild(body);

	// Add bounds for interactions
	Bounds bounds = new BoundingSphere(new Point3d(0, 0, 0), radius);
	setBounds(bounds);

}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
/**
 * Simple test of OBJWriter class with Java 3D objects.
 */
public void testOBJWriter() throws IOException {
  // 1. Open the OBJ file "Test.obj"
  OBJWriter writer = new OBJWriter("[email protected]#.obj", "Test", 3);
  assertTrue("[email protected]#.obj not created", new File("[email protected]#.obj").exists());
  
  // 2. Write a box at center 
  writer.writeNode(new Box());
  
  // Write a sphere centered at (2, 0, 2) 
  Transform3D translation = new Transform3D();
  translation.setTranslation(new Vector3f(2f, 0, 2f));
  TransformGroup translationGroup = new TransformGroup(translation);
  
  translationGroup.addChild(new Sphere());
  writer.writeNode(translationGroup);
  
  // 3. Close file
  writer.close();
  assertTrue("[email protected]#.mtl not created", new File("[email protected]#.mtl").exists());
  
  if (!new File("[email protected]#.obj").delete()
      || !new File("[email protected]#.mtl").delete()) {
    fail("Couldn't delete test files");
  }
}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
public J3dTest(){  
  // 创建一个虚拟空间  
    SimpleUniverse universe = new SimpleUniverse();  
    // 创建一个用来包含对象的数据结构  
    BranchGroup group = new BranchGroup();  
     
    // 创建一个球并把它加入到group中  
    Sphere sphere = new Sphere(0.5f); // 小球的半径为0.5米  
    group.addChild(sphere);  
     
    Color3f light1Color = new Color3f(1.8f, 0.1f, 0.1f);  
    // 设置光线的颜色  
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);  
    // 设置光线的作用范围  
    Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);  
    // 设置光线的方向  
    DirectionalLight light1= new DirectionalLight(light1Color, light1Direction);  
    // 指定颜色和方向，产生单向光源  
    light1.setInfluencingBounds(bounds);  
    // 把光线的作用范围加入光源中  
    group.addChild(light1);  
    // 将光源加入group组,安放观察点  
    universe.getViewingPlatform().setNominalViewingTransform();  
    // 把group加入到虚拟空间中  
    universe.addBranchGraph(group);  
}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
/** Create 3D geometry. */
@Override
protected void create3D() {
	Appearance appear = new Appearance();

	material.setDiffuseColor(color);
	material.setSpecularColor(black);
	appear.setMaterial(material);
	int flags = Primitive.GEOMETRY_NOT_SHARED | Primitive.ENABLE_GEOMETRY_PICKING | Primitive.GENERATE_NORMALS;

	body = new Sphere(radius, flags, appear);

	// we must be able to change the pick flag of the agent
	body.setCapability(Node.ALLOW_PICKABLE_READ);
	body.setCapability(Node.ALLOW_PICKABLE_WRITE);
	body.setPickable(true);
	body.setCollidable(true);
	addChild(body);

	// Add bounds for interactions
	Bounds bounds = new BoundingSphere(new Point3d(0, 0, 0), radius);
	setBounds(bounds);

}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
/**
 * Fuegt ein Licht ein
 * 
 * @param pointLightBounds
 * @param pointLightColor
 * @param x
 *            X-Koordinate
 * @param y
 *            Y-Koordinate
 * @param appearance
 *            Die Appearance
 */
private void createLight(BoundingSphere pointLightBounds, Color3f pointLightColor, int x, int y, Appearance appearance) {
	// Lichter bestehen aus dem echten Licht
	PointLight pointLight = new PointLight();
	pointLight.setColor(pointLightColor);
	pointLight.setPosition((x + 0.5f) * parcours.getBlockSizeInM(), (y + 0.5f) * parcours.getBlockSizeInM(), LIGHTZ);
	pointLight.setInfluencingBounds(pointLightBounds);
	pointLight.setAttenuation(1f, 3f, 0f);
	pointLight.setEnable(true);
	parcours.addLight(pointLight);

	// Und einer gelben Kugel, um es zu visualisieren
	Sphere lightSphere = new Sphere(0.07f);
	lightSphere.setAppearance(appearance);
	parcours.addLight(lightSphere, x + 0.5f, y + 0.5f, LIGHTZ);
}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
/** Create 3D geometry. */
@Override
protected void create3D() {
  Appearance appear = new Appearance();

  material.setDiffuseColor(color);
  material.setSpecularColor(black);
  appear.setMaterial(material);
  int flags = Primitive.GEOMETRY_NOT_SHARED | Primitive.ENABLE_GEOMETRY_PICKING | Primitive.GENERATE_NORMALS;

  body = new Sphere(radius, flags, appear);

  // we must be able to change the pick flag of the agent
  body.setCapability(Node.ALLOW_PICKABLE_READ);
  body.setCapability(Node.ALLOW_PICKABLE_WRITE);
  body.setPickable(true);
  body.setCollidable(true);
  addChild(body);

  // Add bounds for interactions
  Bounds bounds = new BoundingSphere(new Point3d(0, 0, 0), radius);
  setBounds(bounds);

}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
/** Create 3D geometry. */
@Override
protected void create3D() {
  Appearance appear = new Appearance();

  material.setCapability(Material.ALLOW_COMPONENT_WRITE);
  material.setDiffuseColor(color);
  material.setSpecularColor(black);
  appear.setMaterial(material);
  int flags = Primitive.GEOMETRY_NOT_SHARED | Primitive.ENABLE_GEOMETRY_PICKING | Primitive.GENERATE_NORMALS;

  body = new Sphere(radius, flags, appear);

  // we must be able to change the pick flag of the agent
  body.setCapability(Node.ALLOW_PICKABLE_READ);
  body.setCapability(Node.ALLOW_PICKABLE_WRITE);
  body.setPickable(true);
  body.setCollidable(true);
  addChild(body);

  // Add bounds for interactions
  Bounds bounds = new BoundingSphere(new Point3d(0, 0, 0), radius);
  setBounds(bounds);

}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
public Ball(double x, double y, double z, double vx, double vy, double vz) {
    position = new Vector3d(x, y, z);
    speed = new Vector3d(vx, vy, vz);

    // �ړ��”\
    this.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    this.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    app = new Appearance();
    app.setTexture(loadTexture("carpet.jpg"));

    // �{�[����lj�
    this.addChild(new Sphere(radius, Sphere.GENERATE_TEXTURE_COORDS, 100, app));

    move();
}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
public Ball(double x, double y, double z) {
    position = new Vector3d(x, y, z);
    velocity = new Vector3d(0, 0, 0);
    acceleration = new Vector3d(0, -0.01, 0);  // �����x�͈��
    
    // �ړ��”\
    this.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    this.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    app = new Appearance();
    Material mat = new Material();
    mat.setAmbientColor(new Color3f(0.0f, 0.0f, 1.0f));
    mat.setSpecularColor(new Color3f(1.0f, 1.0f, 1.0f));
    app.setMaterial(mat);

    TransparencyAttributes transAttr = new TransparencyAttributes(
            TransparencyAttributes.BLENDED, 0.2f);
    app.setTransparencyAttributes(transAttr);

    // �{�[����lj�
    this.addChild(new Sphere(radius, Sphere.GENERATE_NORMALS, 100, app));

    move();
}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
/**
 * Called to create ghosts of the body
 * Ghost are the ancien position of a body
 * (slows down the java3D tree creation)
 * @param root where to add these ghost
 * @param i body to be ghosted
 * @param a appearance of the ghosts
 */
private void createPlaneteTraces(BranchGroup root, int i, Appearance a) {
    for (int j = 0; j < (this.MAX_HISTO_SIZE - 1); j++) {
        // Trace Transformation Group
        TransformGroup traceGroup = new TransformGroup();
        traceGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        this.tracesGroup[i][j] = traceGroup;

        // Trace Transformation (place and direction)
        Transform3D traceTransformation = new Transform3D();
        this.tracesTransformation[i][j] = traceTransformation;

        // Cylinder representing a segment
        //Cylinder(float radius, float height, Appearance ap)
        Sphere ghost = new Sphere(0.005f, a);

        //Assembling group
        traceGroup.addChild(ghost);
        //traceGroup.setTransform(traceTransformation);
        root.addChild(traceGroup);
    }
}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
void create3D(float radius) {
	super.create3D(true);
	// body
	if (radius > 0) {
		Color3f color = new Color3f(0.8f, 0.8f, 0.0f);
		Appearance appear = new Appearance();
		appear.setMaterial(new Material(color, black, color, white, 100.0f));
		Node node = new Sphere(radius, appear);
		node.setCollidable(false);
		node.setPickable(false);
		addChild(node);
	}
}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
/**
 * Add a light to the 3d world. Used only in the creation phase.
 */
Light addLight(Vector3d pos, Color3f color) {
	BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), worldSize * 2);

	TransformGroup tg = new TransformGroup();
	Transform3D t3d = new Transform3D();
	t3d.set(pos);
	tg.setTransform(t3d);
	PointLight light = new PointLight();
	light.setAttenuation(0.5f, 0, 0);
	// light.setAttenuation(0f,.08f,0);
	// light.setAttenuation(1.2f,0,0);
	// note : light pos not affected by transform (but bound is).
	light.setPosition((float) pos.x, (float) pos.y, (float) pos.z);
	light.setInfluencingBounds(bounds);
	sceneTrans.addChild(light);
	// light geometry
	ColoringAttributes ca = new ColoringAttributes();
	ca.setColor(color);
	Appearance appL1 = new Appearance();
	appL1.setColoringAttributes(ca);
	Primitive s = new Sphere(0.4f, appL1);
	s.setCollidable(true);
	tg.addChild(s);
	sceneTrans.addChild(tg);
	return light;
}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
public CanvasPickInfoListener() {
    Appearance app = new Appearance();
    Material mat = new Material();
    mat.setAmbientColor(Utils3D.green);
    mat.setSpecularColor(Utils3D.skyblue);
    mat.setDiffuseColor(Utils3D.darkBlue);

    //a,e,d,s

    app.setMaterial(mat);
    //greenlook.setMaterial(new Material(objColor, Utils3D.black, objColor, Utils3D.white, 128.0f));
    sphere = new Sphere(0.004f, Primitive.GENERATE_NORMALS, 100, app);
    sphere.setPickable(false);
    t3d = new Transform3D();
    sphTrans = new TransformGroup(t3d);
    //sphTrans = new TransformGroup();
    sphTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    sphTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    // Add sphere, transform
    sphTrans.addChild(sphere);
    sceneBG.addChild(sphTrans);

    pickCanvas = new PickCanvas(canvas3D, sceneBG);
    pickCanvas.setTolerance(3.5f);
    pickCanvas.setMode(PickInfo.PICK_GEOMETRY);
    pickCanvas.setFlags(PickInfo.LOCAL_TO_VWORLD | PickInfo.CLOSEST_GEOM_INFO | PickInfo.NODE);
}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
/**
 * Function to add a white sphere and axes at the origin of the
 * coordinate system for better orientation. The z-axis is in black.
 */
public static void addCoordinateSphereAxesToSceneGraph(BranchGroup scene, float radius) {
    float rad = (radius <= 0.0f) ? 0.1f : radius;
    Appearance ap = new Appearance();
    ColoringAttributes ca = new ColoringAttributes();
    ca.setColor(white);
    ap.setColoringAttributes(ca);
    scene.addChild(new Sphere(rad, ap));

    LineArray la1 = new LineArray(2, LineArray.COORDINATES | LineArray.COLOR_3);
    la1.setCoordinate(0, new Point3f());
    la1.setCoordinate(1, new Point3f(5.0f * rad, 0.0f, 0.0f));
    for (int i = 0; i < 2; ++i) {
        la1.setColor(i, white);
    }
    scene.addChild(new Shape3D(la1));
    LineArray la2 = new LineArray(2, LineArray.COORDINATES | LineArray.COLOR_3);
    la2.setCoordinate(0, new Point3f());
    la2.setCoordinate(1, new Point3f(0.0f, 5.0f * rad, 0.0f));
    for (int i = 0; i < 2; ++i) {
        la2.setColor(i, white);
    }
    scene.addChild(new Shape3D(la2));
    LineArray la3 = new LineArray(2, LineArray.COORDINATES | LineArray.COLOR_3);
    la3.setCoordinate(0, new Point3f());
    la3.setCoordinate(1, new Point3f(0.0f, 0.0f, 5.0f * rad));
    for (int i = 0; i < 2; ++i) {
        la3.setColor(i, black);
    }
    scene.addChild(new Shape3D(la3));
}
 

import com.sun.j3d.utils.geometry.Sphere; //导入依赖的package包/类
/**
 * Zeichnet eine Kugel zu Debug-Zwecken, indem sie zu TestBG hinzugefuegt wird
 * @param radius Radius der Kugel
 * @param transform Transformation, die auf die Box angewendet werden soll
 */
public void showDebugSphere(final double radius, Transform3D transform) {
	final Sphere sphare = new Sphere((float) radius);
	TransformGroup tg = new TransformGroup();
	tg.setTransform(transform);
	tg.addChild(sphare);
	BranchGroup bg = new BranchGroup();
	bg.setCapability(BranchGroup.ALLOW_DETACH);
	bg.addChild(tg);
	testBG.addChild(bg);
}