flocon

DEV3.2/TP02/05_Flocon/JFlocon.java

@@ -1,12 +1,17 @@
 import java.awt.*;
+import java.util.ArrayList;
 import javax.swing.*;
 
 public class JFlocon extends JComponent {
 
 	private int ordre;
+	private ArrayList<Point> points;
+	private int[] coordX;
+	private int[] coordY;
 
 	public JFlocon(int ordre) {
 		this.ordre = ordre;
+		this.points = new ArrayList<Point>();
 	}
 
 	@Override
@@ -14,10 +19,66 @@ public class JFlocon extends JComponent {
 		Graphics secondPinceau = pinceau.create();
 
 		if (this.isOpaque()) {
-			this.setColor(this.getBackgroundColor());
-			this.fillRect(0, 0, this.getWidth(), this.getHeight());
+			secondPinceau.setColor(this.getBackground());
+			secondPinceau.fillRect(0, 0, this.getWidth(), this.getHeight());
 		}
 
+		secondPinceau.setColor(Color.BLUE);
+		this.calculCoordonnees();
+
+		int[] coordX = new int[this.points.size()];
+		int[] coordY = new int[this.points.size()];
+
+		for (int i = 0; i != this.points.size(); i++) {
+			coordX[i] = points.get(i).x;
+			coordY[i] = points.get(i).y;
+		}
+
+		Polygon p = new Polygon(coordX, coordY, this.points.size());
+
+		secondPinceau.drawPolygon(p);
+
+	}
+
+	public void calculCoordonnees() {
+		Point a = new Point(this.getWidth()/4, this.getHeight()/4);
+        Point b = new Point(this.getWidth()/4*3, this.getHeight()/4);
+        Point c = new Point(
+            this.getWidth()/2,
+            this.getHeight()/4*3
+        );
+        segment(a, b, this.ordre);
+        segment(b, c, this.ordre);
+        segment(c, a, this.ordre);
 		
 	}
+
+	public void segment(Point debut, Point fin, int ordre) {
+		if (ordre == 0) {
+			this.points.add(debut);
+			this.points.add(fin);
+		} else {
+			Point p2 = new Point(
+				(2 * debut.x + fin.x) / 3,
+				(2 * debut.y + fin.y) / 3
+			);
+
+			Point p3 = new Point(
+            (debut.x + fin.x) / 2 - (int) (Math.sqrt(3) * (debut.y - fin.y) / 6),
+            (debut.y + fin.y) / 2 - (int) (Math.sqrt(3) * (fin.x - debut.x) / 6)
+        );
+
+
+
+			Point p4 = new Point(
+				(debut.x + 2 * fin.x) / 3,
+				(debut.y + 2 * fin.y) / 3
+			);
+
+			segment(debut, p2, ordre-1);
+			segment(p2, p3, ordre-1);
+			segment(p3, p4, ordre-1);
+			segment(p4, fin, ordre-1);
+		}
+	}
 }