// This will consider the direction, and curve type to return a float value that's interpolated.
public float InterpolateFloat(InterpolationCurve curve, InterpolationDirection direction,
float time, float beforeTime, float nextTime,
float previousKeyValue, float nextKeyValue,
float minValue, float maxValue)
{
float progressBetweenFrames = ProgressBetweenSurroundingKeyframes(time, beforeTime, nextTime);
float curvedTime = CurveAdjustedBlendingTime(curve, progressBetweenFrames);
// Auto.
if (direction == InterpolationDirection.Auto)
{
return(AutoInterpolation(curvedTime, previousKeyValue, nextKeyValue));
}
InterpolationDirection moveDirection = direction;
float forwardDistance;
float reverseDistance;
CalculateCircularDistances(previousKeyValue, nextKeyValue, minValue, maxValue, out forwardDistance, out reverseDistance);
// Shortest path.
if (moveDirection == InterpolationDirection.ShortestPath)
{
if (reverseDistance > forwardDistance)
{
moveDirection = InterpolationDirection.Foward;
}
else
{
moveDirection = InterpolationDirection.Reverse;
}
}
// Forward.
if (moveDirection == InterpolationDirection.Foward)
{
return(ForwardInterpolation(curvedTime, previousKeyValue, nextKeyValue, minValue, maxValue, forwardDistance));
}
// Reverse.
if (moveDirection == InterpolationDirection.Reverse)
{
return(ReverseInterpolation(curvedTime, previousKeyValue, nextKeyValue, minValue, maxValue, reverseDistance));
}
Debug.LogError("Unhandled interpolation direction: " + moveDirection + ", returning min value.");
return(minValue);
}
public bool RenderInterpolationDirectionType()
{
EditorGUI.BeginChangeCheck();
InterpolationDirection selectedDirection = (InterpolationDirection)EditorGUILayout.EnumPopup(
new GUIContent("Animation Direction",
"Adjust the animation direction to control how this property animates to the next keyframe value."), keyframe.interpolationDirection);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(profile, "Direction changed");
keyframe.interpolationDirection = selectedDirection;
return(true);
}
return(false);
}
