public Vec2 NeedVel()
{
Vec2 t = Vec2.Zero;
t += MoveLeft.Pressed() ? new Vec2(-1, 0) : Vec2.Zero;
t += MoveRight.Pressed() ? new Vec2(1, 0) : Vec2.Zero;
t += MoveDown.Pressed() ? new Vec2(0, -1) : Vec2.Zero;
return(t);
}