List of usage examples for javax.media.j3d BranchGroup BranchGroup
public BranchGroup()
From source file:OrientedPtTest.java
public BranchGroup createSceneGraph() { // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); TransformGroup objScale = new TransformGroup(); Transform3D textMat = new Transform3D(); // Assuming uniform size chars, set scale to fit string in view textMat.setScale(1.2 / sl);//from www. j a v a 2 s. com objScale.setTransform(textMat); // 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); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); objRoot.addChild(objTrans); BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); Appearance apText = new Appearance(); Material m = new Material(); m.setLightingEnable(true); apText.setMaterial(m); Appearance apEarth = new Appearance(); Material mm = new Material(); mm.setLightingEnable(true); apEarth.setMaterial(mm); Appearance apStone = new Appearance(); apStone.setMaterial(mm); // create 3D text Font3D f3d = new Font3D(new Font(fontName, Font.PLAIN, 2), new FontExtrusion()); Point3f textPt = new Point3f(-sl / 2.0f, 3.0f, 0.0f); Text3D txt = new Text3D(f3d, textString, textPt); OrientedShape3D textShape = new OrientedShape3D(); textShape.setGeometry(txt); textShape.setAppearance(apText); textShape.setAlignmentMode(OrientedShape3D.ROTATE_ABOUT_POINT); // text is centered around 0, 3, 0. Make it rotate around 0,5,0 Point3f rotationPt = new Point3f(0.0f, 5.0f, 0.0f); textShape.setRotationPoint(rotationPt); objScale.addChild(textShape); // also add a small Sphere at the rotation point to // show that we are rotating around the right point Sphere sphere = new Sphere(0.2f); TransformGroup sphereGroup = new TransformGroup(); Transform3D sphereXform = new Transform3D(); sphereXform.set(new Vector3f(rotationPt)); sphereGroup.setTransform(sphereXform); sphereGroup.addChild(sphere); objScale.addChild(sphereGroup); // Create a simple shape leaf node, add it to the scene graph. Transform3D cubeMat = new Transform3D(); TransformGroup cubeTrans = new TransformGroup(cubeMat); cubeMat.set(new Vector3d(0.9, 0.0, -1.0)); cubeTrans.setTransform(cubeMat); cubeTrans.addChild(new ColorCube(0.3)); objTrans.addChild(cubeTrans); TextureLoader stoneTex = new TextureLoader(stoneImage, new String("RGB"), this); if (stoneTex != null) apStone.setTexture(stoneTex.getTexture()); TextureAttributes texAttr = new TextureAttributes(); texAttr.setTextureMode(TextureAttributes.REPLACE); apStone.setTextureAttributes(texAttr); Transform3D coneMat = new Transform3D(); TransformGroup coneTrans = new TransformGroup(coneMat); coneMat.set(new Vector3d(0.0, 0.0, 0.0)); coneTrans.setTransform(coneMat); coneTrans.addChild(new Cone(.2f, 0.8f, Cone.GENERATE_NORMALS | Cone.GENERATE_TEXTURE_COORDS, apStone)); objTrans.addChild(coneTrans); TextureLoader earthTex = new TextureLoader(earthImage, new String("RGB"), this); if (earthTex != null) apEarth.setTexture(earthTex.getTexture()); apEarth.setTextureAttributes(texAttr); Transform3D cylinderMat = new Transform3D(); TransformGroup cylinderTrans = new TransformGroup(cylinderMat); cylinderMat.set(new Vector3d(-0.9, 0.5, -1.0)); cylinderTrans.setTransform(cylinderMat); cylinderTrans.addChild( new Cylinder(.35f, 2.0f, Cylinder.GENERATE_NORMALS | Cylinder.GENERATE_TEXTURE_COORDS, apEarth)); objTrans.addChild(cylinderTrans); objTrans.addChild(objScale); // Set up the background Color3f bgColor = new Color3f(0.05f, 0.05f, 0.5f); Background bgNode = new Background(bgColor); bgNode.setApplicationBounds(bounds); objRoot.addChild(bgNode); // Set up the ambient light Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f); AmbientLight ambientLightNode = new AmbientLight(ambientColor); ambientLightNode.setInfluencingBounds(bounds); objRoot.addChild(ambientLightNode); // Set up the directional lights Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f); Vector3f light1Direction = new Vector3f(1.0f, 1.0f, 1.0f); Color3f light2Color = new Color3f(1.0f, 1.0f, 0.9f); Vector3f light2Direction = new Vector3f(-1.0f, -1.0f, -1.0f); DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction); light1.setInfluencingBounds(bounds); objRoot.addChild(light1); DirectionalLight light2 = new DirectionalLight(light2Color, light2Direction); light2.setInfluencingBounds(bounds); objRoot.addChild(light2); apText.setMaterial(mm); // Have Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; }
From source file:SimpleSphere.java
protected BranchGroup buildContentBranch() { BranchGroup contentBranch = new BranchGroup(); Transform3D rotateCube = new Transform3D(); rotateCube.set(new AxisAngle4d(1.0, 1.0, 0.0, Math.PI / 4.0)); // rotateCube.set(new AxisAngle4d(1.0,0.0,0.0,Math.PI/2.0)); TransformGroup rotationGroup = new TransformGroup(rotateCube); contentBranch.addChild(rotationGroup); Appearance app = new Appearance(); Color3f ambientColour = new Color3f(1.0f, 0.0f, 0.0f); Color3f diffuseColour = new Color3f(1.0f, 0.0f, 0.0f); Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f); Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f); float shininess = 20.0f; app.setMaterial(new Material(ambientColour, emissiveColour, diffuseColour, specularColour, shininess)); rotationGroup.addChild(new Sphere(2.0f, Sphere.GENERATE_NORMALS, 120, app)); addLights(contentBranch);/*from w w w. jav a2s.c o m*/ return contentBranch; }
From source file:PickText3DGeometry.java
public BranchGroup createSceneGraph(Canvas3D canvas) { 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;// ww w . j av a 2 s . c o m // 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); Material m = new Material(objColor, eColor, objColor, sColor, 100.0f); Appearance a = new Appearance(); m.setLightingEnable(true); a.setMaterial(m); Font3D f3d = new Font3D(new Font("TestFont", Font.PLAIN, 1), new FontExtrusion()); Text3D text3D = new Text3D(f3d, new String("TEXT3D"), new Point3f(-2.0f, 0.7f, 0.0f)); text3D.setCapability(Geometry.ALLOW_INTERSECT); Shape3D s3D1 = new Shape3D(); s3D1.setGeometry(text3D); s3D1.setAppearance(a); // Create a 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 spinTg1 = new TransformGroup(); spinTg1.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); spinTg1.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); spinTg1.setCapability(TransformGroup.ENABLE_PICK_REPORTING); spinTg1.addChild(s3D1); objScale.addChild(spinTg1); Text3D pick = new Text3D(f3d, new String("Pick me"), new Point3f(-2.0f, -0.7f, 0.0f)); pick.setCapability(Geometry.ALLOW_INTERSECT); Shape3D s3D2 = new Shape3D(); s3D2.setGeometry(pick); s3D2.setAppearance(a); // Create a 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 spinTg2 = new TransformGroup(); spinTg2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); spinTg2.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); spinTg2.setCapability(TransformGroup.ENABLE_PICK_REPORTING); spinTg2.addChild(s3D2); objScale.addChild(spinTg2); // 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. // 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); l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); l1Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING); objScale.addChild(l1Trans); t = new Transform3D(); Vector3d lPos2 = new Vector3d(0.5, 1.2, 2.0); t.set(lPos2); TransformGroup l2Trans = new TransformGroup(t); l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); l2Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING); objScale.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, Sphere.GENERATE_NORMALS | Sphere.ENABLE_GEOMETRY_PICKING, 15, appL1)); l2Trans.addChild(new Sphere(0.05f, Sphere.GENERATE_NORMALS | Sphere.ENABLE_GEOMETRY_PICKING, 15, appL2)); // Create lights AmbientLight aLgt = new AmbientLight(alColor); Light lgt1; Light lgt2; Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f); Point3f atten = new Point3f(1.0f, 0.0f, 0.0f); lgt1 = new PointLight(lColor1, lPoint, atten); lgt2 = new PointLight(lColor2, lPoint, atten); // 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); PickRotateBehavior behavior1 = new PickRotateBehavior(objRoot, canvas, bounds); behavior1.setMode(PickTool.GEOMETRY); behavior1.setTolerance(0.0f); objRoot.addChild(behavior1); PickZoomBehavior behavior2 = new PickZoomBehavior(objRoot, canvas, bounds); behavior2.setMode(PickTool.GEOMETRY); behavior2.setTolerance(0.0f); objRoot.addChild(behavior2); PickTranslateBehavior behavior3 = new PickTranslateBehavior(objRoot, canvas, bounds); behavior3.setMode(PickTool.GEOMETRY); behavior3.setTolerance(0.0f); objRoot.addChild(behavior3); // Let Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; }
From source file:SimpleDirLight.java
/** * This build the content branch of our scene graph. It creates a transform * group so that the shape is slightly tilted to reveal its 3D shape. * /* w w w. ja v a 2s . c om*/ * @param shape * Node that represents the geometry for the content * @return BranchGroup that is the root of the content branch */ protected BranchGroup buildContentBranch() { BranchGroup contentBranch = new BranchGroup(); Transform3D rotateCube = new Transform3D(); rotateCube.set(new AxisAngle4d(1.0, 1.0, 0.0, Math.PI / 4.0)); TransformGroup rotationGroup = new TransformGroup(rotateCube); contentBranch.addChild(rotationGroup); //Create a new appearance Appearance app = new Appearance(); //Create the colours for the material Color3f ambientColour = new Color3f(1.0f, 0.0f, 0.0f); Color3f diffuseColour = new Color3f(1.0f, 0.0f, 0.0f); Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f); Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f); //Define the shininess float shininess = 20.0f; //Set the material of the appearance app.setMaterial(new Material(ambientColour, emissiveColour, diffuseColour, specularColour, shininess)); //Create and add a new sphere using the appearance rotationGroup.addChild(new Sphere(2.0f, Sphere.GENERATE_NORMALS, 120, app)); //Use the addLights function to add the lights to the branch addLights(contentBranch); //Return the root of the content branch return contentBranch; }
From source file:HelloUniverse.java
public BranchGroup createSceneGraph() { BranchGroup objRoot = new BranchGroup(); TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objRoot.addChild(objTrans);//from ww w . j a v a2 s.co m objTrans.addChild(new ColorCube(0.2)); 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); return objRoot; }
From source file:MultiView.java
public BranchGroup createSceneBranchGroup() { // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); //Make the scene graph try {/* w w w. ja va 2s .co m*/ TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objRoot.addChild(objTrans); // Create appearance object for textured cube Appearance app = new Appearance(); Texture tex = new TextureLoader("Dog.jpg", this).getTexture(); app.setTexture(tex); // Create a simple shape leaf node, add it to the scene graph. Box textureCube = new Box(2, 3, 4, Box.GENERATE_TEXTURE_COORDS, app); objTrans.addChild(textureCube); // 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); } catch (RuntimeException e) { System.out.println("MultiView.createSceneBranchGroup:" + e.getMessage()); System.exit(-1); } return objRoot; }
From source file:TickTockPicking.java
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);//from ww w . j a v a2 s . co m 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; }
From source file:SimpleMouse.java
/** * Build the content branch for the scene graph * /* ww w. j a va2 s . c om*/ * @return BranchGroup that is the root of the content */ protected BranchGroup buildContentBranch() { Appearance app = new Appearance(); Color3f ambientColour = new Color3f(1.0f, 0.0f, 0.0f); Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f); Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f); Color3f diffuseColour = new Color3f(1.0f, 0.0f, 0.0f); float shininess = 20.0f; app.setMaterial(new Material(ambientColour, emissiveColour, diffuseColour, specularColour, shininess)); Box cube = new Box(2.0f, 2.0f, 2.0f, app); BranchGroup contentBranch = new BranchGroup(); addLights(contentBranch); //Create the transform groups that will be //affected by the mouse utiltities TransformGroup spinGroup = new TransformGroup(); TransformGroup zoomGroup = new TransformGroup(); TransformGroup moveGroup = new TransformGroup(); //Set the capabilities of the groups so that we can //manipulate them spinGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); spinGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); zoomGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); zoomGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); moveGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); moveGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); //Create and use the rotation utility MouseRotate mouseSpin = new MouseRotate(); mouseSpin.setTransformGroup(spinGroup); contentBranch.addChild(mouseSpin); mouseSpin.setSchedulingBounds(bounds); //Create and use the zoom utility MouseZoom mouseSize = new MouseZoom(); mouseSize.setTransformGroup(zoomGroup); contentBranch.addChild(mouseSize); mouseSize.setSchedulingBounds(bounds); //Create and use the translation utility MouseTranslate mouseMove = new MouseTranslate(); mouseMove.setTransformGroup(moveGroup); contentBranch.addChild(mouseMove); mouseMove.setSchedulingBounds(bounds); //Put it all together spinGroup.addChild(cube); moveGroup.addChild(spinGroup); zoomGroup.addChild(moveGroup); contentBranch.addChild(zoomGroup); return contentBranch; }
From source file:SphereMotion.java
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;/*from w w w . j av a2 s. co m*/ // 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; }
From source file:SpotLightApp.java
public SpotLightApp() { BoundingSphere bound1 = new BoundingSphere(new Point3d(0.0, 0.9, 0.0), 0.5); BoundingSphere bound2 = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 0.5); BoundingSphere bound3 = new BoundingSphere(new Point3d(0.0, -0.9, 0.0), 0.5); Vector3f direction = new Vector3f(0.0f, 0.0f, -1.0f); Color3f white = new Color3f(1.0f, 1.0f, 1.0f); Color3f red = new Color3f(1.0f, 0.0f, 0.0f); Color3f green = new Color3f(0.0f, 1.0f, 0.0f); Color3f blue = new Color3f(0.0f, 0.0f, 1.0f); BranchGroup scene = new BranchGroup(); final int X = 101, Y = 102; final float dx = 0.01f, dy = -0.01f; final float epx = dx / 2.0f, epy = dy / 2.0f; final float top = 0.5f, left = -0.5f; final float right = left + dx * (X - 1); final float bottom = top + dy * (Y - 1); IndexedQuadArray qa = new IndexedQuadArray(X * Y, QuadArray.COORDINATES | QuadArray.NORMALS, (X - 1) * (Y - 1) * 4);/*from w ww . j ava2 s .co m*/ float x, y; int i = 0; System.out.print("set " + X * Y + " coordiantes..... "); for (y = top; y >= bottom - epx; y += dy) for (x = left; x <= right + epx; x += dx) qa.setCoordinate(i++, new Point3f(x, y, 0.0f)); System.out.println(i + " coordiantes done"); int row, col; i = 0; Vector3f n = new Vector3f(0.0f, 0.0f, 1.0f); System.out.print("set " + (X - 1) * (Y - 1) * 4 + " coordinate indices..... "); for (row = 0; row < (Y - 1); row++) { for (col = 0; col < (X - 1); col++) { qa.setNormal(row * X + col, n); qa.setCoordinateIndex(i++, row * X + col); qa.setCoordinateIndex(i++, (row + 1) * X + col); qa.setCoordinateIndex(i++, (row + 1) * X + col + 1); qa.setCoordinateIndex(i++, row * X + col + 1); } qa.setNormal(row * X + col + 1, n); } System.out.println(i + " coordinate indices done"); for (col = 0; col < (X - 1); col++) { qa.setNormal(X * (Y - 1) + 1 + col, n); } System.out.println("coordinate normals done"); Appearance qAppear = createMatAppear(blue, white, 5.0f); Shape3D plane = new Shape3D(qa, qAppear); Transform3D translate = new Transform3D(); translate.set(new Vector3f(-0.5f, 0.5f, 0.0f)); TransformGroup tg1 = new TransformGroup(translate); scene.addChild(tg1); Shape3D plane1 = new Shape3D(qa, qAppear); plane1.setBounds(bound1); tg1.addChild(plane1); translate.set(new Vector3f(0.5f, 0.5f, 0.0f)); TransformGroup tg2 = new TransformGroup(translate); scene.addChild(tg2); Shape3D plane2 = new Shape3D(qa, qAppear); plane2.setBounds(bound1); tg2.addChild(plane2); translate.set(new Vector3f(-0.5f, -0.5f, 0.0f)); TransformGroup tg3 = new TransformGroup(translate); scene.addChild(tg3); Shape3D plane3 = new Shape3D(qa, qAppear); plane3.setBounds(bound3); tg3.addChild(plane3); translate.set(new Vector3f(0.5f, -0.5f, 0.0f)); TransformGroup tg4 = new TransformGroup(translate); scene.addChild(tg4); Shape3D plane4 = new Shape3D(qa, qAppear); plane4.setBounds(bound3); tg4.addChild(plane4); AmbientLight lightA = new AmbientLight(); lightA.setInfluencingBounds(new BoundingSphere()); scene.addChild(lightA); scene.addChild(newSpotLight(bound1, new Point3f(-0.7f, 0.7f, 0.5f), 0.1f, 5.0f)); scene.addChild(newSpotLight(bound1, new Point3f(0.0f, 0.7f, 0.5f), 0.1f, 50.0f)); scene.addChild(newSpotLight(bound1, new Point3f(0.7f, 0.7f, 0.5f), 0.1f, 100.0f)); scene.addChild(newSpotLight(bound2, new Point3f(-0.7f, 0.0f, 0.5f), 0.3f, 5.0f)); scene.addChild(newSpotLight(bound2, new Point3f(0.0f, 0.0f, 0.5f), 0.3f, 50.0f)); scene.addChild(newSpotLight(bound2, new Point3f(0.7f, 0.0f, 0.5f), 0.3f, 100.0f)); scene.addChild(newSpotLight(bound3, new Point3f(-0.7f, -0.7f, 0.5f), 0.5f, 5.0f)); scene.addChild(newSpotLight(bound3, new Point3f(0.0f, -0.7f, 0.5f), 0.5f, 50.0f)); scene.addChild(newSpotLight(bound3, new Point3f(0.7f, -0.7f, 0.5f), 0.5f, 100.0f)); Background background = new Background(); background.setApplicationBounds(new BoundingSphere()); background.setColor(1.0f, 1.0f, 1.0f); scene.addChild(background); scene.compile(); setLayout(new BorderLayout()); Canvas3D c = new Canvas3D(null); add("Center", c); SimpleUniverse 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); }