/*--------------*/
/* Wk52.java    */
/*--------------*/
/*-----------------------*/
/* 時計のアニメーション  */
/*-----------------------*/
import java.applet.Applet;
import java.awt.*;                          //BorderLayout,GraphicsConfiguration,event
import java.util.Calendar;                  //Calender
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 Wk52 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(){

        //現在時刻取得
        Calendar cal = Calendar.getInstance();
        int hour = cal.get(Calendar.HOUR_OF_DAY);
        int minute = cal.get(Calendar.MINUTE);

        //Transform3Dオブジェクト
        Transform3D trans = new Transform3D();   //平行移動用
        Transform3D rot  = new Transform3D();    //回転用

        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);

        //---------------------//
        // Appearanceの設定    //
        //---------------------//
        //[時計盤(大)]Appearance1を作成
        Appearance ap1 = new Appearance();
        ColoringAttributes ca1 = new ColoringAttributes();
        ca1.setColor(new Color3f( 0.5f, 0.9f, 0.5f));
        ap1.setColoringAttributes(ca1);
        //[時計盤(小)]Appearance2を作成
        Appearance ap2 = new Appearance();
        ColoringAttributes ca2 = new ColoringAttributes();
        ca2.setColor(new Color3f( 0.7f, 1.0f, 0.7f));
        ap2.setColoringAttributes(ca2);
        //[台]Appearance3を作成
        Appearance ap3 = new Appearance();
        ColoringAttributes ca3 = new ColoringAttributes();
        ca3.setColor(new Color3f( 1.0f, 1.0f, 0.5f));
        ap3.setColoringAttributes(ca3);
        //[針止め]Appearance4を作成
        Appearance ap4 = new Appearance();
        ColoringAttributes ca4 = new ColoringAttributes();
        ca4.setColor(new Color3f( 0.5f, 0.0f, 0.5f));
        ap4.setColoringAttributes(ca4);
        //[秒針]Appearance5を作成
        Appearance ap5 = new Appearance();
        ColoringAttributes ca5 = new ColoringAttributes();
        ca5.setColor(new Color3f( 0.4f, 0.4f, 0.4f));
        ap5.setColoringAttributes(ca5);
        //[長針]Appearance6を作成
        Appearance ap6 = new Appearance();
        ColoringAttributes ca6 = new ColoringAttributes();
        ca6.setColor(new Color3f( 0.4f, 0.2f, 1.0f));
        ap6.setColoringAttributes(ca6);
        //[短針]Appearance7を作成
        Appearance ap7 = new Appearance();
        ColoringAttributes ca7 = new ColoringAttributes();
        ca7.setColor(new Color3f( 1.0f, 0.2f, 0.4f));
        ap7.setColoringAttributes(ca7);

        //transG0：マウス操作用ノード
        TransformGroup transG0 = new TransformGroup();
        branchG0.addChild(transG0);

        //---------------------//
        // 物体の生成          //
        //---------------------//
        //[時計盤]を作成
        rot.rotX(Math.PI/2);                 //90度回転
        TransformGroup transG1 = new TransformGroup(rot);
        transG0.addChild(transG1);
        Cylinder cylinder1 = new Cylinder(0.60f, 0.30f, ap1);
        Cylinder cylinder2 = new Cylinder(0.42f, 0.31f, ap2);
        transG1.addChild(cylinder1);
        transG1.addChild(cylinder2);
        //[台]を作成
        trans.setTranslation(new Vector3f(0.0f, -0.65f, 0.0f));
        TransformGroup transG2 = new TransformGroup(trans);
        transG0.addChild(transG2);
        Box box1 = new Box(0.5f, 0.1f, 0.3f, ap3);
        transG2.addChild(box1);
        //時計表面に移動
        trans.setTranslation(new Vector3f(0.0f, 0.0f, 0.2f));
        TransformGroup transG3 = new TransformGroup(trans);
        transG0.addChild(transG3);
        //[針止め]を作成
        rot.rotX(Math.PI/2);                 //90度回転
        TransformGroup transG31 = new TransformGroup(rot);
        transG3.addChild(transG31);
        Cone cone1 = new Cone(0.05f, 0.1f, ap4);
        transG31.addChild(cone1);
        //[秒針]を作成
        TransformGroup transG32 = new TransformGroup();
        transG3.addChild(transG32);
        createArrow(0.015f, 0.40f, 0.01f, ap5, transG32);
        //[長針]を作成
        TransformGroup transG33 = new TransformGroup();
        transG3.addChild(transG33);
        rot.rotZ(-(2*Math.PI)*((double)minute/60));
        TransformGroup transG331 = new TransformGroup(rot);
        transG33.addChild(transG331);
        createArrow(0.02f, 0.45f, 0.0f, ap7, transG331);
        //[短針]を作成
        TransformGroup transG34 = new TransformGroup();
        transG3.addChild(transG34);
        rot.rotZ(-(2*Math.PI)*((double)((hour)*60+minute)/(12*60)));
        TransformGroup transG341 = new TransformGroup(rot);
        transG34.addChild(transG341);
        createArrow(0.04f, 0.35f, -0.01f, ap6, transG341);
        //2D文字盤を作成
        String AnatimeStr[] = {"3","2","1","12","11","10","9","8","7","6","5","4"};
        for(int i=0;i<AnatimeStr.length;i++){
            trans.setTranslation(new Vector3f(0.5f*(float)Math.cos(i*Math.PI/6.0)-(AnatimeStr[i].length()*0.04f),
                                  0.5f*(float)Math.sin(i*Math.PI/6.0)-0.07f,
                                  0.151f));
            TransformGroup transG4 = new TransformGroup(trans);
            transG0.addChild(transG4);
            Text2D text2d = new Text2D(AnatimeStr[i],                   //作成文字
                                       new Color3f(0.3f, 0.3f, 0.4f),   //フォント色
                                       "Itaric", 38, Font.BOLD);        //フォント情報
            transG4.addChild(text2d);
        }
        //2D時刻を作成
        String DigtimeStr = hour + ":" + String.format("%02d", minute);
        trans.setTranslation(new Vector3f(0.55f, 0.7f, 0.0f));
        TransformGroup transG5 = new TransformGroup(trans);
        branchG0.addChild(transG5);
        Text2D timeText2d = new Text2D(DigtimeStr,            //作成文字
                            new Color3f(1.0f, 0.5f, 0.5f),    //フォント色
                            "Serif", 40, Font.BOLD);          //フォント情報
        transG5.addChild(timeText2d);

        //----------------------------//
        //時計針の回転アニメーション  //
        //----------------------------//
        transG32.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);  //秒針
        transG33.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);  //長針
        transG34.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);  //短針
        //回転軸
        Transform3D rotAxis = new Transform3D();
        rotAxis.rotX(Math.PI/2.0);
        //秒針の回転
        Alpha rotationAlpha1 = new Alpha(-1, 60000);          //60秒で1回転
        RotationInterpolator rotator1 =                       //Z軸回りの回転
            new RotationInterpolator(rotationAlpha1, transG32, rotAxis,
                         0.0f, -1.0f*(float)Math.PI*2.0f);    //開始位置,終了位置
        rotator1.setSchedulingBounds(bounds);
        transG32.addChild(rotator1);
        //長針の回転
        Alpha rotationAlpha2 = new Alpha(-1, 60000*60);       //60*60秒で1回転
        RotationInterpolator rotator2 =                       //Z軸回りの回転
            new RotationInterpolator(rotationAlpha2, transG33, rotAxis,
                         0.0f, -1.0f*(float)Math.PI*2.0f);    //開始位置,終了位置
        rotator2.setSchedulingBounds(bounds);
        transG33.addChild(rotator2);
        //短針の回転
        Alpha rotationAlpha3 = new Alpha(-1, 60000*60*12);    //60*60*12秒で1回転
        RotationInterpolator rotator3 =                       //Z軸回りの回転
            new RotationInterpolator(rotationAlpha3, transG34, rotAxis,
                         0.0f, -1.0f*(float)Math.PI*2.0f);    //開始位置,終了位置
        rotator3.setSchedulingBounds(bounds);
        transG34.addChild(rotator3);

        //------------------------//
        //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);
        MouseZoom mouseZoom = new MouseZoom(transG0);
        mouseRot.setSchedulingBounds(bounds);
        mouseZoom.setSchedulingBounds(bounds);
        transG0.addChild(mouseRot);
        transG0.addChild(mouseZoom);

        branchG0.compile();

        return branchG0;
    }

    //矢印ポリゴンを作成する
    private void createArrow(float width, float height, float zpos,
                                 Appearance ap, TransformGroup tg){

        //四角形ポリゴン作成
        Point3f[] point1 = new Point3f[4];
        point1[0] = new Point3f( width/2.0f,        0.00f, zpos);
        point1[1] = new Point3f( width/2.0f, height*0.85f, zpos);
        point1[2] = new Point3f(-width/2.0f, height*0.85f, zpos);
        point1[3] = new Point3f(-width/2.0f,        0.00f, zpos);
        QuadArray quadA
            = new QuadArray(point1.length, GeometryArray.COORDINATES);
        quadA.setCoordinates(0, point1);
        Shape3D quad3D = new Shape3D(quadA, ap);
        tg.addChild(quad3D);

        //三角形ポリゴン作成
        Point3f[] point2 = new Point3f[3];
        point2[0] = new Point3f( (width+0.03f)/2.0f, height*0.85f, zpos);
        point2[1] = new Point3f(              0.00f, height,       zpos);
        point2[2] = new Point3f(-(width+0.03f)/2.0f, height*0.85f, zpos);
        TriangleArray triangleA
            = new TriangleArray(point2.length, GeometryArray.COORDINATES);
        triangleA.setCoordinates(0, point2);
        Shape3D triangle3D = new Shape3D(triangleA, ap);
        tg.addChild(triangle3D);
    }

    public void destroy(){

        simpleU.cleanup();
    }

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

        MainFrame frame = new MainFrame(new Wk52(), 512, 512);
    }
}