internal ThrusterArray(IShip ship)
{
_ship = ship;
var forwardThrust = new Vector2(0, -ThrustPower);
var backthrust = new Vector2(0, ThrustPower);
var leftOfShip = new Vector2(-ship.Radius, 0);
var rightOfShip = new Vector2(ship.Radius, 0);
_frontLeftThruster = new Thruster(leftOfShip, forwardThrust, ThrustEnergyCost);
_frontRightThruster = new Thruster(rightOfShip, forwardThrust, ThrustEnergyCost);
_backLeftThruster = new Thruster(leftOfShip, backthrust, ThrustEnergyCost);
_backRightThruster = new Thruster(rightOfShip, backthrust, ThrustEnergyCost);
}
private void ApplyForce(Thruster thruster, float energyScalingFactor)
{
var force = thruster.Engage(energyScalingFactor);
if (force.Vector.Length() > 0)
{
_ship.ApplyInternalForce(force);
}
}
public void Setup()
{
_position = new Vector2(1, 1);
_direction = new Vector2(0, -1);
_thruster = new Thruster(_position, _direction, 0.1f);
}
public void Thruster_maxEnergyDraw_cannot_be_zero()
{
var exception = Assert.Throws<ArgumentException>(() => _thruster = new Thruster(_position, _direction, 0f));
Assert.AreEqual("Must be positive and non-zero.\r\nParameter name: maxEnergyDraw", exception.Message);
}