4-direction Player Movement

// Not the most elegant way of making your character turn around, but if your character
// is just one unanimated sprite it'll do the job.

if (free==true){    // locks the player when you talk to someone/something
    switch(keyboard_key){
    case ord('A'):
        image_angle=180;
        x-=Speed;
        break;
    case ord('D'):
        image_angle=0;
        x+=Speed;
        break;
    case ord('S'):
        image_angle=270;
        y+=Speed;
        break;
    case ord('W'):
        image_angle=90;
        y-=Speed;
        break;
    }
}