update

DEV/DEV3.2/TP02_Recursivite/Q5Main.java

@@ -2,23 +2,29 @@ import javax.swing.*;
 import java.awt.*;
 import java.awt.event.*;
 import java.awt.Polygon;
+import java.lang.Math;
 
 public class Q5Main{
     public static void main(String[] args) {
-	
+		int l = 1000;
+		int m = 40;
+		int detail = Integer.parseInt(args[0]);
 		JFrame fenetre = new JFrame("Q1 Galerie");
-		fenetre.setSize(300, 200);
-		fenetre.setLocation(700, 300);
+		fenetre.setSize(l+2*m, l+2*m);
+		fenetre.setLocation(0, 0);
 		fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 		
 		Polygon etoile = new Polygon();
-		etoile.addPoint(50,50);
-		etoile.addPoint(300,140);
-		etoile.addPoint(230,80);
-		etoile.addPoint(10,330);
-		fenetre.setVisible(true);
-
 		Q5Polygon dessinEtoile = new Q5Polygon(etoile);
+		Q5Recursivite modele = new Q5Recursivite(etoile, fenetre);
 		fenetre.add(dessinEtoile);
+		fenetre.setVisible(true);
+		
+		Q5Point g = new Q5Point(m+l/2, m);
+		Q5Point c = new Q5Point(m+l-((int)(l*Math.sqrt(3))/2), m+(3*l)/4);
+		Q5Point a = new Q5Point(2*m+((int)(l*Math.sqrt(3))/2), m+(3*l)/4);
+		modele.nextStep(detail, a,c,g);
+		modele.nextStep(detail, c,g,a);
+		modele.nextStep(detail, g,a,c);
 	}
 }

DEV/DEV3.2/TP02_Recursivite/Q5Point.java

@@ -0,0 +1,33 @@
+public class Q5Point{
+    public int x;
+    public int y;
+
+    public Q5Point(int x, int y) {
+        this.x = x;
+        this.y = y;
+    }
+    public Q5Point() {
+        this.x = 0;
+        this.y = 0;
+    }
+
+    public static Q5Point tiers(Q5Point a, Q5Point b){
+        Q5Point resultat = new Q5Point();
+        resultat.x = (int) a.x + (b.x - a.x)/3;
+        resultat.y = (int) a.y + (b.y - a.y)/3;
+        return resultat;
+    }
+    public static Q5Point millieu(Q5Point a, Q5Point b){
+        Q5Point resultat = new Q5Point();
+        resultat.x = (int) a.x + (b.x - a.x)/2;
+        resultat.y = (int) a.y + (b.y - a.y)/2;
+        return resultat;
+    }
+    public static Q5Point pointe(Q5Point a, Q5Point b, Q5Point p){
+        Q5Point i = Q5Point.millieu(a,b);
+        Q5Point resultat = new Q5Point();
+        resultat.x = (int) i.x - (p.x - i.x)/3;
+        resultat.y = (int) i.y - (p.y - i.y)/3;
+        return resultat;
+    }
+}

DEV/DEV3.2/TP02_Recursivite/Q5Polygon.java

@@ -11,6 +11,6 @@ public class Q5Polygon extends JComponent {
     @Override
     protected void paintComponent(Graphics pinceau) {
         pinceau.setColor(Color.BLUE);
-        pinceau.fillPolygon(this.etoile);
+        pinceau.drawPolygon(this.etoile);
     }
 }

DEV/DEV3.2/TP02_Recursivite/Q5Recursivite.java

@@ -0,0 +1,32 @@
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.awt.Polygon;
+
+public class Q5Recursivite{
+    public Polygon etoile;
+    public JFrame fenetre;
+
+    public Q5Recursivite(Polygon etoile, JFrame fenetre) {
+        this.etoile = etoile;
+        this.fenetre = fenetre;
+    }
+    public void nextStep(int i, Q5Point c, Q5Point g, Q5Point a){
+        if (i<=0){
+            this.etoile.addPoint(c.x,c.y);
+            this.fenetre.repaint();
+        }
+        else{
+            Q5Point b = Q5Point.tiers(c,a);
+            Q5Point d = Q5Point.tiers(c,g);
+            Q5Point e = Q5Point.pointe(c,g,a);
+            Q5Point f = Q5Point.tiers(g,c);
+            Q5Point h = Q5Point.tiers(g,a);
+            this.nextStep(i-1, c, d, b);
+            this.nextStep(i-1, d, e, f);
+            this.nextStep(i-1, e, f, d);
+            this.nextStep(i-1, f, g, h);
+        }
+
+    }
+}