public override void _Ready()
{
var size = GetViewportRect().Size;
var pendulum = new SimplePendulum()
{
Angle = Mathf.Pi / 4,
RopeLength = size.y / 2,
Position = new Vector2(size.x / 2, 0)
};
AddChild(pendulum);
}
public void TestSimplePendulum()
{
SimplePendulum p = new SimplePendulum(1, 1, Math.PI / 10);
p.LocalGravity = 9.8;
double period = p.Period;
double expected = 2.007;
Assert.IsTrue(Helpers.WithinTolerance(period, expected));
double frequency = p.Frequency;
double expected2 = 0.4983;
Assert.IsTrue(Helpers.WithinTolerance(frequency, expected2));
}
public override void _Ready()
{
var size = GetViewportRect().Size;
const float angleStep = BaseAngle / ChildrenPerParent;
var ropeLength = (size.y * 0.95f) / Steps;
var parents = new List <SimplePendulum>();
for (int step = 0; step < Steps; ++step)
{
var newParents = new List <SimplePendulum>();
if (parents.Count == 0)
{
// Root pendulum
var plm = new SimplePendulum()
{
Position = new Vector2(size.x / 2, 0),
RopeLength = ropeLength,
Angle = Mathf.Pi / 2
};
AddChild(plm);
newParents.Add(plm);
}
else
{
// Child pendulums
for (int pIndex = 0; pIndex < parents.Count; ++pIndex)
{
for (int cIndex = 0; cIndex < ChildrenPerParent; ++cIndex)
{
var plm = new SimplePendulum()
{
ShowBehindParent = true,
RopeLength = ropeLength,
Angle = angleStep * cIndex
};
parents[pIndex].AddPendulumChild(plm);
newParents.Add(plm);
}
}
}
parents = newParents;
}
}
