public void RelativeToWorldVector()
{
var pos = new coordinates(2d, -math.PI_DBL / 2d);
var v_polar = new double2(-2d, -2d);
var expected = new coordinates(2d, math.PI_DBL);
var actual = pos.Update(v_polar);
Assert.AreEqual(expected.r, actual.r, tolerance);
Assert.AreEqual(
angle.wrap(expected.theta.radians),
angle.wrap(actual.theta.radians),
tolerance
);
}
public override void Update(GameTime gameTime)
{
if (crd.isFlight)
{
float time = (float)gameTime.ElapsedGameTime.Ticks / 100000;
EngineSpark(time);
crd.Update(time);
}
for (int particle = 0; particle < particles.Count; particle++)
{
particles[particle].Update(gameTime);
if (particles[particle].Size <= 0 || particles[particle].TTL <= 0 ||
particles[particle].Position.X <crd.xBoard ||
particles[particle].Position.Y> crd.yBoard)
{
particles.RemoveAt(particle);
particle--;
}
}
}
