public void Tumbler(bool stressTest = false)
{
Body ground;
{
var bd = new BodyDef();
ground = World.CreateBody(bd);
}
{
var bd = new BodyDef
{
BodyType = BodyType.DynamicBody,
AllowSleep = false,
Position = new Vector2(0.0f, 10.0f)
};
var body = World.CreateBody(bd);
var shape = new PolygonShape();
shape.SetAsBox(0.5f, 10.0f, new Vector2(10.0f, 0.0f), 0.0f);
body.CreateFixture(shape, 5.0f);
shape.SetAsBox(0.5f, 10.0f, new Vector2(-10.0f, 0.0f), 0.0f);
body.CreateFixture(shape, 5.0f);
shape.SetAsBox(10.0f, 0.5f, new Vector2(0.0f, 10.0f), 0.0f);
body.CreateFixture(shape, 5.0f);
shape.SetAsBox(10.0f, 0.5f, new Vector2(0.0f, -10.0f), 0.0f);
body.CreateFixture(shape, 5.0f);
var jd = new RevoluteJointDef
{
BodyA = ground,
BodyB = body,
LocalAnchorA = new Vector2(0.0f, 10.0f),
LocalAnchorB = new Vector2(0.0f, 0.0f),
ReferenceAngle = 0.0f,
MotorSpeed = 0.05f * Settings.Pi,
MaxMotorTorque = 1e8f,
EnableMotor = true
};
_joint = (RevoluteJoint)World.CreateJoint(jd);
}
_bodyCount = 0;
if (stressTest)
{
var timer = Stopwatch.StartNew();
for (int i = 0; i < FrameCount; i++)
{
Step(false);
}
timer.Stop();
Console.WriteLine($"{timer.ElapsedMilliseconds} ms");
}
else
{
FixedUpdate = new FixedUpdate(TimeSpan.FromSeconds(1 / 60d), () => { Step(true); });
FixedUpdate.Start();
while (true)
{
FixedUpdate.Update();
}
}
}
public void Update()
{
FixedUpdate?.Update();
}