private HardPoint(HardPointPosition position)
{
Position = position;
Speed = 0.5d;
CalculateHardPoint(position, out _origin, out _radiansOfMovement);
Orientation = _origin;
}
private HardPoint(HardPointPosition position)
{
Position = position;
Speed = 0.5d;
switch (Position)
{
case HardPointPosition.Front:
this.origin = new Vector(0, 1, 0);
Rotation = Math.PI;
break;
case HardPointPosition.Rear:
this.origin = new Vector(0, -1, 0);
Rotation = Math.PI;
break;
case HardPointPosition.Left:
this.origin = new Vector(-1, 0, 0);
Rotation = Math.PI / 2;
break;
case HardPointPosition.Right:
this.origin = new Vector(1, 0, 0);
Rotation = Math.PI / 2;
break;
case HardPointPosition.Top:
this.origin = new Vector(0, 1, 0);
Rotation = Math.PI * 2;
break;
case HardPointPosition.Bottom:
this.origin = new Vector(0, 1, 0);
Rotation = Math.PI * 2;
break;
default:
throw new ArgumentOutOfRangeException();
}
Orientation = this.origin;
}
public HardPoint(Ship ship, HardPointPosition position)
: this(position)
{
Ship = ship;
}
public static HardPoint FactoryHardPoint(HardPointPosition position)
{
return new HardPoint(position);
}
public static Vector CalculateOrientation(HardPointPosition position)
{
double radiansOfMovement;
Vector origin;
CalculateHardPoint(position, out origin, out radiansOfMovement);
return origin;
}
public static void CalculateHardPoint(HardPointPosition position, out Vector origin, out double radiansOfMovement)
{
switch ( position )
{
case HardPointPosition.Front:
origin = new Vector(0, 1, 0);
radiansOfMovement = Math.PI;
break;
case HardPointPosition.Rear:
origin = new Vector(0, -1, 0);
radiansOfMovement = Math.PI;
break;
case HardPointPosition.Left:
origin = new Vector(-1, 0, 0);
radiansOfMovement = Math.PI / 2;
break;
case HardPointPosition.Right:
origin = new Vector(1, 0, 0);
radiansOfMovement = Math.PI / 2;
break;
case HardPointPosition.Top:
origin = new Vector(0, 1, 0);
radiansOfMovement = Math.PI * 2;
break;
case HardPointPosition.Bottom:
origin = new Vector(0, 1, 0);
radiansOfMovement = Math.PI * 2;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
private void CanTrack(Vector shipHeading, HardPointPosition position, CanTrackResult expected)
{
_ship.Heading = shipHeading;
CanTrack(position, expected);
}
private void CanTrack(HardPointPosition position, CanTrackResult expected)
{
var hp = new HardPoint(_ship, position);
Assert.That(hp.CanTrack(_leftTarget), Is.EqualTo(expected.Left), "Can track left");
Assert.That(hp.CanTrack(_rightTarget), Is.EqualTo(expected.Right), "Can track right");
Assert.That(hp.CanTrack(_frontTarget), Is.EqualTo(expected.Front), "Can track front");
Assert.That(hp.CanTrack(_rearTarget), Is.EqualTo(expected.Rear), "Can track rear");
Assert.That(hp.CanTrack(_sideTarget), Is.EqualTo(expected.LeftTop), "Can track left-top");
}
public void RotateHardPointToHeading(HardPointPosition hardPointPosition, string heading, string expected)
{
var hp = HardPoint.CalculateOrientation(hardPointPosition);
var headingVector = Vector.Parse(heading);
var upVector = new Vector(0, 1);
var rightVector = (headingVector * upVector);
var rotate = Vector.Angle(upVector, headingVector);
var newHp = rightVector.Z >= 0d ? hp.RotateZ(-rotate) : hp.RotateZ(rotate);
Assert.That(newHp, Is.EqualTo(Vector.Parse(expected)));
}
