FRACTALE TRES SIMPLE

void Carre_rec(float x,  float y, float r, int i){
	if( i >= MAX_ITERATIONS || r < MIN_TAILLE ) return;

    float newr = r/2;

    Carre_rec(x-r, y-r, newr, i+1);
    Carre_rec(x-r, y+r, newr, i+1);
    Carre_rec(x+r, y-r, newr, i+1);
    Carre_rec(x+r, y+r, newr, i+1);

    glBegin(GL_QUADS);
        glVertex2f(x-r, y-r);
        glVertex2f(x+r, y-r);
        glVertex2f(x+r, y+r);
        glVertex2f(x-r, y+r);
    glEnd();
}