import java.applet.*; import java.awt.*; import java.awt.event.*; public class m0104304_03 extends Applet { Panel pnl_1; Label lbl01 = new Label("鼻の大きさ（浮動少数）"); Label lbl02 = new Label("鼻の巻き回数（１〜５０まで,整数）"); Label lbl03 = new Label("鼻の伸ばし具合（０以上、整数、小さいほど伸びる）"); Label lbl04 = new Label("鼻の回転（浮動少数）"); TextField tf_b01 = new TextField("10.0");//鼻の大きさ TextField tf_b02 = new TextField("50");//鼻の巻きの回数 TextField tf_b03 = new TextField("20");//鼻の伸ばし具合 TextField tf_b04 = new TextField("100.0");//鼻の回転数 // Drawボタン Button botonDraw = new Button("Draw"); double len = Double.parseDouble(tf_b01.getText()); int n = Integer.parseInt(tf_b02.getText()); int angle = Integer.parseInt(tf_b03.getText()); double ang = Double.parseDouble(tf_b04.getText()); static int WIDTH, HEIGHT; // 画面サイズ Point point[][]; // 制御点 int point_num = 0; // 制御点の番号 int captured_point = -1; // つかんでいる制御点の番号 //（-1のときつかんでいない） boolean capture_mode_FLG; // 線を制御できるかを表すフラグ double scale=0.9; // int n=50; // int angle=20; int w,h; // double ang=200.0; // double len=30.0; static final int point_data[][][] = // 点情報 { /* { {160,168}, {165,205}, {110,335}, },//胴体 { {160,168}, {155,135}, {135,165}, }, { {135,165}, {115,205}, {110,335}, }, */ { {185,465}, {145,395}, {70,375}, },//羽 { {70,375}, {60,385}, {55,405}, }, { {55,405}, {60,435}, {55,450}, }, { {205,472}, {165,395}, {120,365}, }, { {120,365}, {105,360}, {105,390}, }, { {185,465}, {180,462}, {175,470}, }, { {185,465}, {205,470}, {225,482}, },//顔とはね { {225,482}, {230,486}, {245,502}, }, { {245,502}, {240,507}, {225,502}, },//口 { {225,502}, {220,510}, {215,509}, }, { {215,509}, {190,534}, {175,524}, }, { {175,524}, {165,544}, {85,564}, }, { {85,564}, {70,560}, {55,545}, }, { {55,545}, {45,524}, {48,514}, }, { {48,514}, {45,504}, {40,494}, }, { {40,494}, {45,484}, {50,479}, }, { {50,479}, {40,469}, {40,465}, }, { {40,465}, {45,440}, {105,450}, }, { {105,450}, {115,440}, {175,470}, }, { {175,470}, {165,475}, {155,490}, }, { {155,490}, {165,505}, {175,524}, }, /*{ {155,490}, {135,505}, {58,514}, },//模様 { {155,490}, {135,505}, {90,554}, }, { {155,490}, {115,475}, {70,545}, }, { {155,490}, {115,475}, {60,479}, }, */ { {85,564}, {80,575}, {90,554}, },//模様 { {90,554}, {80,535}, {70,545}, }, { {70,545}, {80,525}, {58,514}, }, { {58,514}, {80,505}, {60,479}, }, { {60,479}, {80,475}, {75,447}, }, { {70,447}, {90,425}, {85,379}, }, { {225,482}, {255,470}, {305,482}, },//触覚 { {225,482}, {255,460}, {295,472}, }, //{ {215,509}, {190,534}, {225,544}, },//足 //{ {215,509}, {190,534}, {225,554}, }, { {195,524}, {220,514}, {235,524}, }, { {235,524}, {238,544}, {255,574}, }, { {215,515}, {230,514}, {245,524}, }, { {245,524}, {250,544}, {255,564}, }, { {185,528}, {185,554}, {195,570}, }, { {185,528}, {165,544}, {175,564}, }, { {630,318}, {655,255}, {695,240}, }, //hana { {645,335}, {645,260}, {695,240}, }, { {695,240}, {715,230}, {700,255}, }, { {645,320}, {680,260}, {720,260}, }, { {720,260}, {705,310}, {680,325}, }, { {710,290}, {730,270}, {760,260}, }, { {760,260}, {760,280}, {740,310}, }, { {680,360}, {735,305}, {785,285}, }, { {760,325}, {765,305}, {785,285}, }, { {760,325}, {745,355}, {715,370}, }, { {765,285}, {800,275}, {785,285}, }, { {745,235}, {710,235}, {685,270}, }, { {745,235}, {735,240}, {715,260}, }, { {745,235}, {750,235}, {740,250}, }, { {755,245}, {730,250}, {720,260}, }, { {755,245}, {750,260}, {740,270}, }, { {755,245}, {755,255}, {750,265}, }, { {775,245}, {760,250}, {755,255}, }, { {775,245}, {775,280}, {760,295}, }, }; Label tf; Graphics offg, backg; Image offi, backi; public void initialize() // 制御点の設定 { int i; point = new Point[point_data.length][]; for(i = 0; i < point.length; i++) { point[i] = new Point[point_data[i].length]; for(int j = 0; j < point_data[i].length; j++) point[i][j] = new Point(point_data[i][j][0], point_data[i][j][1]); } } public void init() { Dimension d = getSize(); WIDTH = 800; HEIGHT = 800; setBackground(Color.white); setLayout(new BorderLayout()); add("North", pnl_1 = new Panel()); pnl_1.setLayout(new GridLayout(5, 5)); pnl_1.setBackground(Color.white); pnl_1.add(lbl01); pnl_1.add(tf_b01); pnl_1.add(lbl02); pnl_1.add(tf_b02); pnl_1.add(lbl03); pnl_1.add(tf_b03); pnl_1.add(lbl04); pnl_1.add(tf_b04); pnl_1.add(botonDraw); botonDraw.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(ActionEvent e) { double len = Double.parseDouble(tf_b01.getText()); int n = Integer.parseInt(tf_b02.getText()); int angle = Integer.parseInt(tf_b03.getText()); double ang = Double.parseDouble(tf_b04.getText()); do_continuar(len, n, angle, ang); } }); initialize(); offi = createImage(WIDTH, HEIGHT); offg = offi.getGraphics(); backi = createImage(WIDTH, HEIGHT); backg = backi.getGraphics(); setBackImage(backg); } public void setBackImage(Graphics g) // 背景の用意 { g.setColor(Color.white); g.fillRect(0, 0, WIDTH, HEIGHT); g.setColor(Color.black); g.drawRect(0, 0, WIDTH-1, HEIGHT-1); // 枠描画 } public int kaijyo(int num) // 階乗を計算 { int total = 1; if(num == 0) return 1; for(; num > 1; num--) total *= num; return total; } public void BezierCurve(Graphics g, Color color, Point point[]) // 曲線描画 { int i, j; double x1, x2, y1, y2; double bernstein[] = new double[point.length]; x1 = point[0].x; y1 = point[0].y; g.setColor(color); for(double t = 0; t <= 1; t += 0.01) { for(i = 0; i < point.length; i++) // bernstein関数を計算 { bernstein[i] = (double)kaijyo(point.length-1) / (kaijyo(i)*kaijyo(point.length-1-i)); for(j = 1; j <= i; j++) bernstein[i] *= t; for(j = 1; j <= point.length-1-i; j++) bernstein[i] *= (1-t); } x2 = y2 = 0; for(i = 0; i < point.length; i++) { x2 += point[i].x * bernstein[i]; y2 += point[i].y * bernstein[i]; } g.drawLine((int)x1, (int)y1, (int)x2, (int)y2); g.fillOval(210,480,8,8); g.drawString("Flower", 620,370); g.drawString("Butterfly", 220,370); x1 = x2; y1 = y2; } } public void paint(Graphics g) { requestFocus(); offg.drawImage(backi, 0, 0, this); // 背景の描画 if(capture_mode_FLG) // 制御点の描画 { offg.setColor(Color.red); for(int i = 0; i < point[point_num].length; i++) { offg.fillRect(point[point_num][i].x-3, point[point_num][i].y-3, 7, 7); offg.drawString(Integer.toString(i+1), point[point_num][i].x-3, point[point_num][i].y-6); } } for(int i = 0; i < point.length; i++) // 曲線描画 { if(capture_mode_FLG && point_num == i) BezierCurve(offg, Color.blue, point[i]); else BezierCurve(offg, Color.black, point[i]); } g.drawImage(offi, 0, 0, this); w=800; h=700; double x0, y0; x0=w/3; y0=h/2-152; int[]x={0,w,(int)(w-1.0/5.0*w),(int)(w-4.0/5.0*w)}; int[]y={w-20,h-20,(int)(h-1.0/5.0*h),(int)(h-1.0/5.0*h)}; g.setColor(new Color(145,42,42)); rtree(g,n,x0,y0,len/2,ang); g.setColor(new Color(145,42,42)); g.drawLine(240,503,w/3,h/2+152); } public void rtree(Graphics g,int nn,double x0,double y0,double len,double ang){ if(nn<=0){ return;} double x,y; final double RAD=Math.PI/180.0; x=len*Math.sin(RAD*ang)+x0; y=len*Math.cos(RAD*ang)+y0; g.setColor(new Color (250-nn*3,0+nn*5,0)); g.drawLine((int)x0,(int)(h-y0),(int)x,(int)(h-y)); rtree(g,nn-1,x,y,len*scale,ang-angle); } void do_continuar(double c, int d, int f,double e) { len = c; n = d; ang = e; angle = f; repaint(); } public void update(Graphics g) { paint(g); } }