protected virtual void WiggleValue(ref WiggleProperties property, ref InternalWiggleProperties internalProperties, float duration)
{
InitializeRandomValues(ref property, ref internalProperties);
internalProperties.limitedTimeValueSave = internalProperties.initialValue;
property.LimitedTime = true;
property.LimitedTimeLeft = duration;
property.LimitedTimeTotal = duration;
property.WigglePermitted = true;
}
/// <summary>
/// Animates a Vector3 value along a specified curve
/// </summary>
/// <param name="internalProperties"></param>
/// <param name="properties"></param>
/// <returns></returns>
protected virtual Vector3 AnimateCurveValue(ref InternalWiggleProperties internalProperties, WiggleProperties properties)
{
internalProperties.timeSinceLastPause += properties.GetDeltaTime();
internalProperties.timeSinceLastChange += properties.GetDeltaTime();
// handle pause
if (internalProperties.timeSinceLastPause < internalProperties.pauseDuration)
{
float curveProgress = (internalProperties.curveDirection == 1f) ? 1f : 0f;
EvaluateCurve(properties.Curve, curveProgress, internalProperties.remapZero, internalProperties.remapOne, ref internalProperties.newValue);
if (properties.RelativeCurveAmplitude)
{
internalProperties.newValue += internalProperties.initialValue;
}
}
// if we're just out of a pause
if (internalProperties.timeSinceLastPause == internalProperties.timeSinceLastChange)
{
internalProperties.timeSinceLastChange = 0f;
}
// if we've reached the end
if (internalProperties.randomFrequency > 0)
{
float curveProgress = (internalProperties.timeSinceLastChange) / internalProperties.randomFrequency;
if (internalProperties.curveDirection < 0f)
{
curveProgress = 1 - curveProgress;
}
EvaluateCurve(properties.Curve, curveProgress, internalProperties.remapZero, internalProperties.remapOne, ref internalProperties.newValue);
if (internalProperties.timeSinceLastChange > internalProperties.randomFrequency)
{
internalProperties.timeSinceLastChange = 0f;
internalProperties.timeSinceLastPause = 0f;
if (properties.CurvePingPong)
{
internalProperties.curveDirection = -internalProperties.curveDirection;
}
RandomizeFloat(ref internalProperties.randomFrequency, properties.FrequencyMin, properties.FrequencyMax);
}
}
if (properties.RelativeCurveAmplitude)
{
internalProperties.newValue = internalProperties.initialValue + internalProperties.newValue;
}
return(internalProperties.newValue);
}
/// <summary>
/// Animates a Vector3 value along a perlin noise
/// </summary>
/// <param name="internalProperties"></param>
/// <param name="properties"></param>
/// <returns></returns>
protected virtual Vector3 AnimateNoiseValue(ref InternalWiggleProperties internalProperties, WiggleProperties properties)
{
internalProperties.noiseElapsedTime += properties.GetDeltaTime();
internalProperties.newValue.x = (Mathf.PerlinNoise(internalProperties.randomNoiseFrequency.x * internalProperties.noiseElapsedTime, internalProperties.randomNoiseShift.x) * 2.0f - 1.0f) * internalProperties.randomAmplitude.x;
internalProperties.newValue.y = (Mathf.PerlinNoise(internalProperties.randomNoiseFrequency.y * internalProperties.noiseElapsedTime, internalProperties.randomNoiseShift.y) * 2.0f - 1.0f) * internalProperties.randomAmplitude.y;
internalProperties.newValue.z = (Mathf.PerlinNoise(internalProperties.randomNoiseFrequency.z * internalProperties.noiseElapsedTime, internalProperties.randomNoiseShift.z) * 2.0f - 1.0f) * internalProperties.randomAmplitude.z;
if (properties.RelativeAmplitude)
{
internalProperties.newValue += internalProperties.initialValue;
}
return(internalProperties.newValue);
}
/// <summary>
/// Computes the next Vector3 value for the specified property
/// </summary>
/// <param name="valueActive"></param>
/// <param name="properties"></param>
/// <param name="internalProperties"></param>
/// <returns></returns>
protected virtual bool UpdateValue(bool valueActive, WiggleProperties properties, ref InternalWiggleProperties internalProperties)
{
if (!valueActive)
{
return(false);
}
if (!properties.WigglePermitted)
{
return(false);
}
// handle limited time
if ((properties.LimitedTime) && (properties.LimitedTimeTotal > 0f))
{
float timeSave = properties.LimitedTimeLeft;
properties.LimitedTimeLeft -= properties.GetDeltaTime();
if (properties.LimitedTimeLeft <= 0)
{
if (timeSave > 0f)
{
if (properties.LimitedTimeResetValue)
{
internalProperties.returnVector = internalProperties.limitedTimeValueSave;
properties.LimitedTimeLeft = 0;
properties.WigglePermitted = false;
return(true);
}
}
return(false);
}
}
switch (properties.WiggleType)
{
case WiggleTypes.PingPong:
return(MoveVector3TowardsTarget(ref internalProperties.returnVector, properties, ref internalProperties.startValue, internalProperties.initialValue,
ref internalProperties.newValue, ref internalProperties.timeSinceLastPause,
ref internalProperties.timeSinceLastChange, ref internalProperties.randomAmplitude,
ref internalProperties.randomFrequency,
ref internalProperties.pauseDuration, internalProperties.randomFrequency));
case WiggleTypes.Random:
return(MoveVector3TowardsTarget(ref internalProperties.returnVector, properties, ref internalProperties.startValue, internalProperties.initialValue,
ref internalProperties.newValue, ref internalProperties.timeSinceLastPause,
ref internalProperties.timeSinceLastChange, ref internalProperties.randomAmplitude,
ref internalProperties.randomFrequency,
ref internalProperties.pauseDuration, internalProperties.randomFrequency));
case WiggleTypes.Noise:
internalProperties.returnVector = AnimateNoiseValue(ref internalProperties, properties);
return(true);
case WiggleTypes.Curve:
internalProperties.returnVector = AnimateCurveValue(ref internalProperties, properties);
return(true);
}
return(false);
}
/// <summary>
/// Initializes internal properties of the specified wiggle value
/// </summary>
/// <param name="properties"></param>
/// <param name="internalProperties"></param>
protected virtual void InitializeRandomValues(ref WiggleProperties properties, ref InternalWiggleProperties internalProperties)
{
internalProperties.newValue = this.transform.localPosition;
internalProperties.timeSinceLastChange = 0;
internalProperties.returnVector = Vector3.zero;
internalProperties.randomFrequency = UnityEngine.Random.Range(properties.FrequencyMin, properties.FrequencyMax);
internalProperties.randomNoiseFrequency = Vector3.zero;
internalProperties.randomAmplitude = Vector3.zero;
internalProperties.timeSinceLastPause = 0;
internalProperties.pauseDuration = 0;
internalProperties.noiseElapsedTime = 0;
internalProperties.curveDirection = 1f;
properties.LimitedTimeLeft = properties.LimitedTimeTotal;
RandomizeVector3(ref internalProperties.randomAmplitude, properties.AmplitudeMin, properties.AmplitudeMax);
RandomizeVector3(ref internalProperties.randomNoiseFrequency, properties.NoiseFrequencyMin, properties.NoiseFrequencyMax);
RandomizeVector3(ref internalProperties.randomNoiseShift, properties.NoiseShiftMin, properties.NoiseShiftMax);
RandomizeVector3(ref internalProperties.remapZero, properties.RemapCurveZeroMin, properties.RemapCurveZeroMax);
RandomizeVector3(ref internalProperties.remapOne, properties.RemapCurveOneMin, properties.RemapCurveOneMax);
internalProperties.newValue = DetermineNewValue(properties, internalProperties.newValue, internalProperties.initialValue, ref internalProperties.startValue,
ref internalProperties.randomAmplitude, ref internalProperties.randomFrequency, ref internalProperties.pauseDuration);
}
/// <summary>
/// Initializes internal properties of the specified wiggle value
/// </summary>
/// <param name="properties"></param>
/// <param name="internalProperties"></param>
protected virtual void InitializeRandomValues(ref WiggleProperties properties, ref InternalWiggleProperties internalProperties)
{
internalProperties.newValue = Vector3.zero;
internalProperties.timeSinceLastChange = 0;
internalProperties.returnVector = Vector3.zero;
internalProperties.randomFrequency = 0f;
internalProperties.randomNoiseFrequency = Vector3.zero;
internalProperties.randomAmplitude = Vector3.zero;
internalProperties.timeSinceLastPause = 0;
internalProperties.pauseDuration = 0;
internalProperties.noiseElapsedTime = 0;
properties.LimitedTimeLeft = properties.LimitedTimeTotal;
RandomizeVector3(ref internalProperties.randomAmplitude, properties.AmplitudeMin, properties.AmplitudeMax);
RandomizeVector3(ref internalProperties.randomNoiseFrequency, properties.NoiseFrequencyMin, properties.NoiseFrequencyMax);
RandomizeVector3(ref internalProperties.randomNoiseShift, properties.NoiseShiftMin, properties.NoiseShiftMax);
internalProperties.newValue = DetermineNewValue(properties, internalProperties.newValue, internalProperties.initialValue, ref internalProperties.startValue,
ref internalProperties.randomAmplitude, ref internalProperties.randomFrequency, ref internalProperties.pauseDuration);
}
