if mouse_check_button_pressed(mb_left){
instance_create(x,y,obj_ok)
}
if mouse_check_button_pressed(mb_left){sprite_index=spr_yay_atarken}
{sprite_index=spr_yay}
image_speed=1
if mouse_check_button_pressed(mb_left){sprite_index=spr_yay_atarken}
else{sprite_index=spr_yay}
if(koşul){
işlem
}else{
koşul olmazsa işlem
}