// 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;