private void Update(EvaluationContext context)
{
var startPosition = Position.GetValue(context);
var limitRange = MaxRange.GetValue(context);
var seed = Seed.GetValue(context);
var jumpDistance = JumpDistance.GetValue(context);
_rate = Rate.GetValue(context);
var reset = Reset.GetValue(context);
var jump = Jump.GetValue(context);
if (!_initialized || reset || float.IsNaN(_offset.X) || float.IsNaN(_offset.Y) || seed != _seed)
{
_random = new Random(seed);
_seed = seed;
_offset = Vector2.Zero;
_initialized = true;
jump = true;
}
_beatTime = EvaluationContext.BeatTime;
if (UseRate)
{
var activationIndex = (int)(_beatTime * _rate);
if (activationIndex != _lastActivationIndex)
{
_lastActivationIndex = activationIndex;
jump = true;
}
}
if (jump)
{
_jumpStartOffset = _offset;
_jumpTargetOffset = _offset + new Vector2(
(float)((_random.NextDouble() - 0.5f) * jumpDistance * 2f),
(float)((_random.NextDouble() - 0.5f) * jumpDistance * 2f));
if (limitRange > 0.001f)
{
var d = _jumpTargetOffset.Length();
if (d > limitRange)
{
var overshot = Math.Min(d - limitRange, limitRange);
var random = _random.NextDouble() * overshot;
var distanceWithinLimit = limitRange - (float)random;
var normalized = _jumpTargetOffset / d;
_jumpTargetOffset = normalized * distanceWithinLimit;
}
}
_lastJumpTime = _beatTime;
}
var blending = Blending.GetValue(context);
if (blending >= 0.001)
{
var t = (Fragment / blending).Clamp(0, 1);
if (SmoothBlending.GetValue(context))
{
t = MathUtils.SmootherStep(0, 1, t);
}
_offset = Vector2.Lerp(_jumpStartOffset, _jumpTargetOffset, t);
}
else
{
_offset = _jumpTargetOffset;
}
NewPosition.Value = _offset + startPosition;
}
private void Update(EvaluationContext context)
{
var startValue = Value.GetValue(context);
var limitRange = MaxRange.GetValue(context);
var seed = Seed.GetValue(context);
var jumpDistance = JumpDistance.GetValue(context);
_rate = Rate.GetValue(context);
var reset = Reset.GetValue(context);
var jump = Jump.GetValue(context);
if (!_initialized || reset || float.IsNaN(_offset))
{
_random = new Random(seed);
_offset = 0;
_initialized = true;
jump = true;
}
_beatTime = context.Playback.FxTimeInBars;
if (UseRate)
{
var activationIndex = (int)(_beatTime * _rate);
if (activationIndex != _lastActivationIndex)
{
_lastActivationIndex = activationIndex;
jump = true;
}
}
if (jump)
{
_jumpStartOffset = _offset;
_jumpTargetOffset = _offset + (float)((_random.NextDouble() - 0.5f) * jumpDistance * 2f);
if (limitRange > 0.001f)
{
var d = Math.Abs(_jumpTargetOffset);
if (d > limitRange)
{
var overshot = Math.Min(d - limitRange, limitRange);
var random = (_random.NextDouble() * overshot);
_jumpTargetOffset = _jumpTargetOffset > 0
? (limitRange - (float)random)
: (-limitRange + (float)random);
}
}
_lastJumpTime = _beatTime;
}
var blending = Blending.GetValue(context);
if (blending >= 0.001)
{
var t = (Fragment / blending).Clamp(0, 1);
if (SmoothBlending.GetValue(context))
{
t = MathUtils.SmootherStep(0, 1, t);
}
_offset = MathUtils.Lerp(_jumpStartOffset, _jumpTargetOffset, t);
}
else
{
_offset = _jumpTargetOffset;
}
Result.Value = _offset + startValue;
}
