/*--------------*/
/* Wk71.java    */
/*--------------*/
/*----------------------*/
/* テクスチャの追加     */
/*----------------------*/
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 com.sun.j3d.utils.image.TextureLoader; //TextureLoader
import javax.vecmath.*;                       //Point3f,Color3f
import java.awt.event.*;                      //Listener

public class Wk71 extends Applet{

    private SimpleUniverse simpleU;
    private BoundingSphere bounds = new BoundingSphere(new Point3d(), 10.0);
    Background background;                      //背景
    PolygonAttributes pa;                       //ポリゴン属性
    private Point3f lightPos = new Point3f(-0.7f, 0.8f, 0.2f);
    private Color3f lightColor = new Color3f(0.8f, 0.8f, 0.0f);

    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 = new Background(new Color3f(0.3f, 0.3f, 0.3f));
        background.setApplicationBounds(bounds);
        branchG0.addChild(background);

        //---------------------//
        // Appearanceの設定    //
        //---------------------//
        //ポリゴン属性（全パーツ共通）
        pa = new PolygonAttributes();
        pa.setPolygonMode(PolygonAttributes.POLYGON_FILL);  //初期値はソリッド
        //[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);
        ap1.setPolygonAttributes(pa);
        Material ma1 = new Material();
        ma1.setDiffuseColor(new Color3f( 0.5f, 0.9f, 0.5f));
        ma1.setAmbientColor(new Color3f( 0.2f, 0.2f, 0.2f));
        ma1.setSpecularColor(new Color3f( 0.2f, 0.2f, 0.2f));
        ma1.setShininess(1.0f);
        ap1.setMaterial(ma1);
        //[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);
        ap2.setPolygonAttributes(pa);
        Material ma2 = new Material();
        ma2.setDiffuseColor(new Color3f( 0.7f, 1.0f, 0.7f));
        ma2.setAmbientColor(new Color3f( 0.2f, 0.2f, 0.2f));
        ma2.setSpecularColor(new Color3f( 0.2f, 0.2f, 0.2f));
        ma2.setShininess(1.0f);
        ap2.setMaterial(ma2);
        //[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);
        ap3.setPolygonAttributes(pa);
        Material ma3 = new Material();
        ma3.setDiffuseColor(new Color3f( 1.0f, 1.0f, 0.5f));
        ma3.setAmbientColor(new Color3f( 0.2f, 0.2f, 0.2f));
        ma3.setSpecularColor(new Color3f( 0.2f, 0.2f, 0.2f));
        ma3.setShininess(1.0f);
        ap3.setMaterial(ma3);
        //[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);
        ap4.setPolygonAttributes(pa);
        Material ma4 = new Material();
        ma4.setDiffuseColor(new Color3f( 0.5f, 0.0f, 0.5f));
        ma4.setAmbientColor(new Color3f( 0.2f, 0.2f, 0.2f));
        ma4.setSpecularColor(new Color3f( 0.2f, 0.2f, 0.2f));
        ma4.setShininess(1.0f);
        ap4.setMaterial(ma4);
        //[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);
        ap5.setPolygonAttributes(pa);
        //[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);
        ap6.setPolygonAttributes(pa);
        //[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);
        ap7.setPolygonAttributes(pa);
        //[光源]Appearance8を作成
        Appearance ap8 = new Appearance();
        ColoringAttributes ca8 = new ColoringAttributes();
        ca8.setColor(lightColor);
        ap8.setColoringAttributes(ca8);
        Material ma5 = new Material();
        ma5.setDiffuseColor(lightColor);
        ap8.setMaterial(ma5);

        //時計台にテクスチャの設定
        java.net.URL texFile = null;
        try{
            texFile = new java.net.URL(getCodeBase().toString() +
                       "yellow32.jpg");
        }catch(java.net.MalformedURLException ex){
            System.out.println(ex.getMessage());
        }
        TexCoordGeneration texGen = 
            new TexCoordGeneration(TexCoordGeneration.EYE_LINEAR,
                TexCoordGeneration.TEXTURE_COORDINATE_2,
                new Vector4f(10.0f, 0.0f, 0.0f, 0.0f),
                new Vector4f(0.0f, 10.0f, 0.0f, 0.0f));
        ap3.setTexCoordGeneration(texGen);
        TextureLoader loader = new TextureLoader(texFile, this);
        Texture texture = loader.getTexture();
        ap3.setTexture(texture);

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

        //光源を追加
        branchG0.addChild(createDirectionalLight());
        branchG0.addChild(createPointLight());              //点光源

        //---------------------//
        // 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);
        //光源物体を作成
        trans.setTranslation(new Vector3f(lightPos.x, lightPos.y, lightPos.z));
        TransformGroup transG6 = new TransformGroup(trans);
        branchG0.addChild(transG6);
        Sphere sphere = new Sphere(0.02f, ap8);
        transG6.addChild(sphere);

        //----------------------------//
        //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);
    }

    //平行光源を作成する
    private Light createDirectionalLight(){

        DirectionalLight lightD = new DirectionalLight();   //デフォルトの平行光源
        lightD.setInfluencingBounds(bounds);                //光が影響する範囲

        return lightD;
    }

    //点光源を作成する
    private Light createPointLight(){

        PointLight lightP = new PointLight(
                  true,                          //初期ライトON/OFF
                  lightColor,                    //光の色
                  lightPos,                      //光源の位置
                  new Point3f(1.0f, 0.0f, 0.0f)  //光の減衰（constant,linear,quadratic）
        );
        lightP.setInfluencingBounds(bounds);     //光が影響する範囲

        return lightP;
    }

    public void destroy(){

        simpleU.cleanup();
    }

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

        MainFrame frame = new MainFrame(new Wk71(), 512, 512);
    }
}