func (body *Body) setAngle(angle vect.Float) {
body.a = angle
body.rot = vect.FromAngle(angle)
}
func (this *Ship) ApplyThrust(thrust vect.Float) {
thrustVector := vect.FromAngle(this.Body.Angle())
thrustVector.Normalize()
thrustVector.Mult(this.Prototype.Thrust * thrust)
this.Body.AddForce(thrustVector.X, thrustVector.Y)
}