keyLeft = keyboard_check(vk_left) or keyboard_check(ord("Q"));
keyRight = keyboard_check(vk_right) or keyboard_check(ord("D"));
keyUp = keyboard_check(vk_up) or keyboard_check(ord("Z"));
keyDown = keyboard_check(vk_down) or keyboard_check(ord("S"));
keyAttack = keyboard_check_pressed(vk_shift);


// Déplacement du joueur

deplaceHorizontal = keyRight - keyLeft;
deplaceVertical = keyDown - keyUp;

x += deplaceHorizontal;
y += deplaceVertical;

seDeplace = (deplaceHorizontal != 0 or deplaceVertical != 0); 

// Animation des sprites

if (seDeplace) {
	if (deplaceHorizontal = 0) {
		if (deplaceVertical = 1) image_index = 0;
		else image_index = 2;
	}	
	else if (deplaceHorizontal = 1) image_index = 1;
	else image_index = 3;
}