/*--------------*/
/* Ex53.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 com.sun.j3d.utils.behaviors.keyboard.*;//Keyboard
import javax.vecmath.*;                       //Point3f,Color3f

public class Ex53 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);

        //左のノード
        Transform3D trans1 = new Transform3D();
        trans1.set(new Vector3f(-0.4f, 0.0f, 0.0f));
        TransformGroup transG1 = new TransformGroup(trans1);
        branchG0.addChild(transG1);

        //右のノード
        Transform3D trans2 = new Transform3D();
        trans2.set(new Vector3f( 0.4f, 0.0f, 0.0f));
        TransformGroup transG2 = new TransformGroup(trans2);
        branchG0.addChild(transG2);

        //ColorCubeの生成
        ColorCube colorCube1 = new ColorCube(0.2f);
        transG1.addChild(colorCube1);            //左
        ColorCube colorCube2 = new ColorCube(0.2f);
        transG2.addChild(colorCube2);            //右

        //マウスによる物体移動(左)
        transG1.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
        transG1.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        MouseRotate mouseRot = new MouseRotate(transG1);
        MouseTranslate mouseTrans = new MouseTranslate(transG1);
        MouseZoom mouseZoom = new MouseZoom(transG1);
        mouseRot.setSchedulingBounds(bounds);
        mouseTrans.setSchedulingBounds(bounds);
        mouseZoom.setSchedulingBounds(bounds);
        transG1.addChild(mouseRot);
        transG1.addChild(mouseTrans);
        transG1.addChild(mouseZoom);

        //キーボードによる物体移動(右)
        transG2.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
        transG2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        KeyNavigatorBehavior keybehavior = new KeyNavigatorBehavior(transG2);
        keybehavior.setSchedulingBounds(bounds);
        transG1.addChild(keybehavior);

        branchG0.compile();

        return branchG0;
    }

    public void destroy(){

        simpleU.cleanup();
    }

    public static void main(String[] args){    //Application

        MainFrame frame = new MainFrame(new Ex53(), 512, 512);
    }
}