Java3D

Size: px

Start display at page:

Download "Java3D"

ときなうみのなか
5 years ago
Views:

1 Java3D

2 Java3D Java3D Java Java3D Java3D, i

3 1 1 2 Java3D Java Java3D Java3D Java3D Java3D Mac ii

4 iii

5 2.1 Mac Mac G G G iv

6 1 Java3D Java3D OpenGL Dorect3D API Java3D Java API Java3D Java3D 1

7 2 Java3D Java3D Java API Java3D API 2.1 Java Java Java Java Java Web Java Java 2.2 Java3D Java3D Java 3D Java API(Aprlication Programing Interface) Java3D 2

8 Java3D Java3D Java write once run anywhere 3D Java Java3D API API Java3D API 2.3 Java3D Java3D (1) 1. Java3D Java Java 3D Java 2. Java3D 3. Java3D 3D 3D Java3D Java 3D 4. Java3D Javax.vecmath 3

9 (2) 1. Java3D Java API Standard Extensions API Java2D Java API(Java2) 2. API 2.4 Java3D API Java3D Java3D API Java3D API API Java3D API Java3D API Java3D Java3D 4

10 2.5 Java3D Java3D Java3D Java3D 5

11 2.5.3 Java3D SimpleUniverse SimpleUniverse SimpleUniverse VirtualUniverse BranchGroup BranchGroup javax.media.j3d.group Group Leaf Group BranchGroup TransformGroup 6

12 Leaf Box Sphere Light Group Group Leaf 7

13 2.6 Mac Java3D Mac Mac 2.1 Mac Texture Appearance settexture(texture texture) Texture 8

14 Appearance macmark = getappearancefactory().createappearance(mac_texture); Material macmaterial = new Material(); Sphere apple = new Sphere(0.18f,Sphere.GENERATE_NORMALS Sphere.GENERATE_TEXTURE_COORDS,macmark); createappearance Texture texture = textureloader.gettexture(); TextureLoader textureloader = createtextureloader(texturefile); Appearance Primitive imac 9

15 2.2 Mac G G Y 10

16 11

17 java.applet.*; java.awt.*; AWT java.awt.event.*; AWT javax.media.j3d.*; 12

18 com.sun.j3d.utils.applet.mainframe; Java3D com.sun.j3d.utils.univerese.simpleuniverse; com.sun.j3d.utils.geometry.*; Java3D javax.vecmath.*; 3.4 GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration(); Canvas3D c = new Canvas3D(config); add("center",c); this.setlayout(new BorderLayout()); SimpleUniverse u = new SimpleUniverse(c); Canvas3D Java3D SimpleUniverse GraphicalConfiguration GraphicsFiguration Canvas3D BorderLayout Canvas3D add 13

19 CENTER Canvas3D universe.getviewingplatform().setnominalviewingtransform(); 2.41mm BranchGroup scene = createscenegraph(); universe.addbranchgroup(scene); BranchGroup scene createscenegraph BranchGroup SimpleUniverse addbranchgroup 14

20 3.5 BranchGroup BranchGroup BranchGroup root = new BranchGroup(); BranchGroup SimpleUniverse BranchGroup Java3D TransformGroup TransformGroup trans = new TransformGroup(); trans.setcapability(transformgroup.allow_transform_read); trans.setcapability(transformgroup.allow_transform_write); TransformGroup Transform3D TransformGroup Transform3D setcapability BoundingSphere bounds = new BoundingSphere(new Point3d(),100.0); DirectionalLight lightd1 = new DirectionalLight(); 15

21 lightd1.setinfluencingbounds(new BoundingSphere()); Vector3f dir1 = new Vector3f(-1.0f, -1.0f, -0.5f); dir1.normalize(); lightd1.setdirection(dir1); lightd1.setcolor(new Color3f(0.0f, 0.0f, 1.0f)); objroot.addchild(lightd1); Java3D Light Color3f Vector3f Point3f DirectionalLight Color3f Vector3f Background background = createbackground(background_texture); background.setapplicationbounds(bounds); objroot.addchild(background); BackGround setapplicationbounds private Background createbackground(string backgroundfile){ TextureLoader textureloader = createtextureloader(backgroundfile); Background background = new Background(textureLoader.getImage()); return background; } 16

23 3.6.2 (1) private static final float[] coordinatedata = { // nishi machi f, 0.0f, 93.11f, f, 0.0f, 92.86f, f, 0.0f, 94.88f, f, 0.0f, 94.00f, f, 0.0f, 92.36f, f, 0.0f, 91.73f, f, 0.0f, f, f, 0.0f, f, f, 0.0f, f, f, 0.0f, f, f, 0.0f, 68.54f, f, 0.0f, 69.55f, }; addobject 18

24 (2) Room G public class GHall extends BranchGroup { static float H = 3.65f; static float H1 = 0.0f; static float H2 = H; static float H3 = H*2; static float H4 = H*3; static float H5 = H*4; public GHall () { addchild(new Room( 12.0f, H1, 0.0f, 3.0f,H*4, 7.0f)); // staircase addchild(new Room( 12.5f, H1,52.0f, 2.5f,H*4, 2.5f)); // EV addchild(new Room( 9.5f, H1,49.0f, 5.5f,H*4, 3.0f)); // staircase // first floor addchild(new Room( 0.0f, H1, 0.0f, 7.0f, H, 14.0f)); addchild(new Room( 0.0f, H1, 7.0f, 6.5f, H, 7.0f)); addchild(new Room( 0.0f, H1,14.0f, 7.0f, H, 7.0f)); addchild(new Room( 0.0f, H1,21.0f, 7.0f, H, 7.0f)); addchild(new Room( 9.5f, H1,12.0f, 5.5f, H, 2.0f)); addchild(new Room( 9.5f, H1,14.0f, 5.5f, H, 7.0f)); addchild(new Room( 9.5f, H1,21.0f, 5.5f, H, 3.5f)); // roof addchild(new Plate( 0.0f, H5, 0.0f, 15.0f, 0.0f, 62.0f)); 19

25 } } addchild(new Room( 9.5f, H5, 49.0f, 4.24f, H, 5.90f)); G 20

26 G Appearance settransparency- Attributes TransParencyAttributes TransparencyAttributes TransparencyAttributes target = ap.gettransparencyattributes(); 21

TransparencyInterpolator ta = new TransparencyInterpolator(alpha,target,0.0f,1.0f); transparency 0.0 1.

27 TransparencyInterpolator ta = new TransparencyInterpolator(alpha,target,0.0f,1.0f); transparency emissivecolor setemissivecolor() emissivecolor Appearance ap = new Appearance(); Material m = new Material(); m.setemissivecolor(new Color3f(1.0f,0.9f,0.6f)); ap.setmaterial(m);

28 G 3.7 G

29 3.8.1 TransformGroup TransformGroup com.sun.j3d.utils.picking.behaviors.*; objtrans.setcapability(objtrans.allow_transform_write); objtrans.setcapability(objtrans.allow_transform_read); objtrans.setcapability(objtrans.enable_pick_reporting); BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0); PickRotateBehavior PickRotateBehavior pick = new PickRotateBehavior(objRoot, mycanvas, bounds); addchild BranchGoup

30 Transform3D yaxis = new Transform3D(); Alpha rotationalpha = new Alpha(-1,40000); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha,objTrans, yaxis,0.0f,(float)math.pi*2.0f RoationInterpolator TransformGroup Alpha Alpha Alpha com.sun.j3d.utils.behaviors.keyboard TransformGroup TransformGroup vtrans = getuniverse().getviewingplatform().getviewplatformtransform(); PlatformGeometry pg = new PlatformGeometry(); TransformGroup com.sun.j3d.utils.behaviors.keyboard keynavigatorbehavior KeyBehavior kb = new KeyBehavior(vtrans); kb.setschedulingbounds(bounds); keynavigatorbehavior com.sun.j3d.universe PlatformGeometry PlatformGeometry pg = new PlatformGeometry(); KeyBehavior kb = new KeyBehavior(vtrans); kb.setschedulingbounds(bounds); pg.addchild(kb); 25

31 TransformGroup public void processstimulus(enumeration criteria) { WakeupOnAWTEvent wevent = null; AWTEvent[] events = null; go = true; while (criteria.hasmoreelements()) { wevent = (WakeupOnAWTEvent)criteria.nextElement(); events = wevent.getawtevent(); for (int i=0; i<events.length; i++) { if (events[i] instanceof KeyEvent) { int code = ((KeyEvent)events[i]).getKeyCode(); switch (code) { case KeyEvent.VK_UP: // break; case KeyEvent.VK_DOWN: // break; case KeyEvent.VK_RIGHT: // break; case KeyEvent.VK_LEFT: // break; } } 26

32 } } wakeupon(kpress); 27

33 4 Up Down 28

34 29

35 5 Java3D 30

36 6 31

37 [1] [2] [3] Sun s Java3D engineering team Java3D API Tutorial 32

Java D S99444-H

Java D S99444-H 2002 2 12-0 - Java3D. Java3D......... 3. 50m....... JMC............. Java3D.. JMC..... - 1 - Web3D Web3D WEB D VRML Virtual Reality Modeling Language 1994 VRML1.0 1997 ISO IEC VRML97 ISO/IEC