// deplacement monstre

if dureeDeplacement != 0 {
	x += deplaceHorizontal;
	y += deplaceVertical;
	dureeDeplacement --;
}
else {
	dir = random(3);

switch(dir) {
	case 0 : deplacementVertical = 1; break;
	case 1 : deplacementHorizontal = 1; break;
	case 2 : deplacementVertical = -1; break;
	case 3 : deplacementHorizontal = -1; break;
 }		
	
	dureeDeplacement = 120;
}