public void NormalizeTest()
{
Vector2D v1 = new Vector2D(100, 200);
var normalizedVector = v1.Normalize();
Assert.AreEqual(0.447, Math.Round(normalizedVector.x * 1000) / 1000);
Assert.AreEqual(0.894, Math.Round(normalizedVector.y * 1000) / 1000);
}
public Vector2D Calculate()
{
float rand = (Convert.ToSingle(new Random().Next(-10, 10)) / 10f);
Vector2D velocity = movingEntity.GetVelocity();
circleCenter = new Vector2D(velocity.x, velocity.y);
circleCenter.Normalize();
circleCenter *= circleDistance;
displacement = new Vector2D(0, -1);
displacement *= circleRadius;
displacement = SetAngle(displacement, displacementAngle);
displacementAngle += rand * circleAngleChange - circleAngleChange * .5f;
wanderForce = circleCenter + displacement;
return wanderForce;
}