Image based on mouse direction
STEP:
var dir = point_direction(x, y, mouse_x, mouse_y)
switch ((((dir + 22.5) mod 360) + 360) mod 360) div 45 {
case 0:
sprite_index = right;
break;
case 1:
sprite_index = tr;
break;
case 2:
sprite_index = up;
break;
case 3:
sprite_index = tl;
break;
case 4:
sprite_index = left;
break;
case 5:
sprite_index = bl;
break;
case 6:
sprite_index = down;
break;
case 7:
sprite_index = br;
break;
}
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