@Override
public void move(Vec2 delta) {
this.pos.add(delta);
center = Vec2.add(pos, Vec2.div(size, new Vec2(2, 2)));
}
public QuadCollider(Vec2 pos, Vec2 size) {
this.pos = pos;
this.size = size;
center = Vec2.add(pos, Vec2.div(size, new Vec2(2, 2)));
}