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package sample;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.layout.BorderPane;
import javafx.scene.shape.ArcType;
import javafx.stage.Stage;
public class _boar extends Application {
public static void main(String... args) {
Application.launch(args);
}
private static final int VIEW_W = 400, VIEW_H = 300;
private GraphicsContext gc;
private static final double LINE_WIDTH = 3; // 線の太さ
private static final int CX = 250, CY = 160; // 座標中心
private static final double HR = 135; // 頭部の半径
private static final double[]
hair1 = {0.5, 0.5, 1.25, 0.5},
hair2 = {1.0, .25, 1.0, 0.0};
@Override
public void start(Stage stage) throws Exception {
BorderPane pane = new BorderPane();
Scene scene = new Scene(pane);
stage.setScene(scene);
Canvas view = new Canvas(VIEW_W, VIEW_H);
pane.setCenter(view);
gc = view.getGraphicsContext2D();
draw();
stage.show();
}
private void draw() {
reset_transform();
gc.setLineWidth(LINE_WIDTH);
// 頭部の輪郭
gc.strokeArc(-HR, -HR, 2 * HR, 2 * HR, 30, -120, ArcType.OPEN);
gc.strokeArc(-HR, -HR, 2 * HR, 2 * HR, 120, -60, ArcType.OPEN);
// 口
double mouth_x = HR * my_cos(-150), mouth_y = HR * my_sin(-150);
double maxi_x = mouth_x - HR * 0.8, maxi_y = 0;
gc.strokeLine(maxi_x, mouth_y, mouth_x, mouth_y);
// 上顎
double head_x1 = HR * my_cos(135), head_y1 = HR * my_sin(135);
double dy = head_y1 - maxi_y;
gc.moveTo(maxi_x, mouth_y);
bezier(maxi_x - 10, maxi_y + 10, maxi_x, maxi_y, maxi_x + 10, maxi_y);
bezier(head_x1 - dy, maxi_y, head_x1, head_y1);
gc.stroke();
// 下顎
double head_x2 = HR * my_cos(-120), head_y2 = HR * my_sin(-120);
double chin_x = mouth_x - HR * 0.5, chin_y = HR * my_sin(-135);
dy = chin_y - head_y2;
gc.moveTo(chin_x, mouth_y);
bezier(chin_x, chin_y, chin_x + 40, chin_y);
bezier(head_x2 - dy * my_tan(60), chin_y, head_x2, head_y2);
gc.stroke();
// 目
gc.strokeOval(-HR * 0.5 - 10, 10, 20, 20);
// 牙
double k = HR * 0.25;
gc.setLineWidth(LINE_WIDTH / k);
reset_transform();
gc.transform(k, 0, 0, k, mouth_x, mouth_y);
gc.rotate(15);
gc.moveTo(0, 0);
bezier(0.25, 1, 0.625, 2);
bezier(0.75, 1, 1, 0);
bezier(0.5, -0.125, 0, 0);
gc.stroke();
// 耳
k = HR * 0.375;
gc.setLineWidth(LINE_WIDTH / k);
reset_transform();
gc.transform(k, 0, 0, k, 0, HR * 0.5);
gc.rotate(-30);
gc.moveTo(0, 0);
bezier(0.25, 0.5, 0, 1);
bezier(1, 1, 1, 0);
bezier(0.5, 0.125, 0, 0);
// 上の毛
k = HR * my_sin(15) / my_sin(82.5);
gc.setLineWidth(LINE_WIDTH / k);
reset_transform();
gc.transform(k, 0, 0, k, head_x1, head_y1);
gc.rotate(45 - 7.5);
gc.moveTo(0, 0);
for (int i = 0; i < 3; i++) {
bezier(hair1);
bezier(hair2);
gc.translate(1, 0);
gc.rotate(-15);
}
gc.stroke();
// 下の毛
reset_transform();
gc.transform(-k, 0, 0, k, HR * my_cos(-60), HR * my_sin(-60));
gc.rotate(150 - 7.5);
gc.moveTo(0, 0);
for (int i = 0; i < 2; i++) {
bezier(hair1);
bezier(hair2);
gc.translate(1, 0);
gc.rotate(-15);
}
gc.stroke();
}
private void reset_transform() {
gc.setTransform(1, 0, 0, -1, CX, CY);
}
private void bezier(double... pa) {
if (pa.length == 4)
gc.quadraticCurveTo(pa[0], pa[1], pa[2], pa[3]);
else if (pa.length == 6)
gc.bezierCurveTo(pa[0], pa[1], pa[2], pa[3], pa[4], pa[5]);
}
private static final double DEG = Math.PI / 180; // ラジアン
private static final double my_sin(double t) { return Math.sin(t * DEG); }
private static final double my_cos(double t) { return Math.cos(t * DEG); }
private static final double my_tan(double t) { return Math.tan(t * DEG); }
}