/*--------------*/ /* Ja52.java */ /*--------------*/ import java.applet.Applet; import java.awt.*; //BorderLayout,GraphicsConfiguration,event import javax.media.j3d.*; //Java3d import com.sun.j3d.utils.applet.MainFrame; //MainFrame import com.sun.j3d.utils.universe.*; //SimpleUniverse import com.sun.j3d.utils.geometry.*; //Primitive import com.sun.j3d.utils.behaviors.mouse.*; //Mouse import javax.vecmath.*; //Point3f,Color3f public class Ja52 extends Applet{ private SimpleUniverse simpleU; private BoundingSphere bounds = new BoundingSphere(new Point3d(), 10.0); public void init(){ //アプレットの中央にCanvas3Dを追加 setLayout(new BorderLayout()); Canvas3D canvas = new Canvas3D(SimpleUniverse.getPreferredConfiguration()); add(canvas, BorderLayout.CENTER); //シーングラフの生成 simpleU = new SimpleUniverse(canvas); simpleU.getViewingPlatform().setNominalViewingTransform(); //シーングラフの作成 simpleU.addBranchGraph(createSceneGraph()); } private BranchGroup createSceneGraph(){ BranchGroup branchG0 = new BranchGroup(); //背景色の設定(設定が無い場合は黒) Background background = new Background(new Color3f(0.3f, 0.3f, 0.3f)); background.setApplicationBounds(bounds); branchG0.addChild(background); //マウス操作用のノード TransformGroup transG0 = new TransformGroup(); branchG0.addChild(transG0); //ColorCubeの生成 ColorCube colorCube = new ColorCube(0.2f); transG0.addChild(colorCube); //マウスによる物体移動 transG0.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); transG0.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); MouseRotate mouseRot = new MouseRotate(transG0); MouseTranslate mouseTrans = new MouseTranslate(transG0); MouseZoom mouseZoom = new MouseZoom(transG0); mouseRot.setSchedulingBounds(bounds); mouseTrans.setSchedulingBounds(bounds); mouseZoom.setSchedulingBounds(bounds); transG0.addChild(mouseRot); transG0.addChild(mouseTrans); transG0.addChild(mouseZoom); branchG0.compile(); return branchG0; } public void destroy(){ simpleU.cleanup(); } public static void main(String[] args){ //Application MainFrame frame = new MainFrame(new Ja52(), 512, 512); } }