public void Bake_Keyframes_IsAccurateInBetweenKeys()
{
var frames = new Keyframe[]
{
new Keyframe(0, 0),
new Keyframe(1, 1),
new Keyframe(2, 2),
new Keyframe(3, 3),
new Keyframe(4, 4),
new Keyframe(5, 5)
};
var newFrames = new Keyframe[6];
frames.CopyTo(newFrames, 0);
AnimationCurveBake.Bake(ref newFrames, 30);
int index1 = 0;
int index2 = 0;
float deltaTime = 5 / 900;
for (int i = 0; i < 900; i++)
{
float actual = KeyframeUtilities.Evaluate(i * deltaTime, ref index1, newFrames);
float expected = KeyframeUtilities.Evaluate(i * deltaTime, ref index2, frames);
Assert.AreEqual(expected, actual);
}
}
public void Bake_Keyframes_IsAccurateOnBakedKeys()
{
var frames = new Keyframe[]
{
new Keyframe(0, 0),
new Keyframe(1, 1),
new Keyframe(2, 2),
new Keyframe(3, 3),
new Keyframe(4, 4),
new Keyframe(5, 5)
};
var newFrames = new Keyframe[6];
frames.CopyTo(newFrames, 0);
AnimationCurveBake.Bake(ref newFrames, 30);
int seekIndex = 0;
for (int i = 0; i < newFrames.Length; i++)
{
float actual = KeyframeUtilities.Evaluate(newFrames[i].time, ref i, newFrames);
float expected = KeyframeUtilities.Evaluate(newFrames[i].time, ref seekIndex, frames);
Assert.AreEqual(expected, actual, 0.000001f);
}
}
public void Bake_LinearCurve_IsAccurate(AnimationCurveBake.InterpolationMode mode)
{
float frameRate = 7;
float sampleRate = 30;
var sourceCurve = AnimationCurve.Linear(0, 0, 5, 5);
var curveKeys = sourceCurve.keys;
var destCurve = new AnimationCurve(curveKeys);
float start = KeyframeUtilities.StartTime(curveKeys);
float end = KeyframeUtilities.EndTime(curveKeys);
float duration = end - start;
AnimationCurveBake.Bake(destCurve, frameRate, mode);
float delta = (end - start) / sampleRate;
int numSamples = (int)math.ceil(duration * frameRate) + 1;
for (int i = 0; i <= numSamples; i++)
{
float time = math.clamp(start + i * delta, start, end);
float expected = sourceCurve.Evaluate(time);
float actual = destCurve.Evaluate(time);
}
}
public void Baked_LinearCurve_Reduction_ProducesZeroError()
{
var curve = AnimationCurve.Linear(0, 0, 2, 2);
var keys = curve.keys;
var reducedCurve = new AnimationCurve(keys);
AnimationCurveBake.Bake(reducedCurve, 30, AnimationCurveBake.InterpolationMode.Linear);
float error = AnimationCurveReducer.ReduceWithMaximumAbsoluteError(reducedCurve, 0.01f);
Assert.Zero(error);
Assert.AreEqual(curve.length, reducedCurve.length);
}
public void Bake_Keyframes_ProducesExpectedNumberOfKeyframes()
{
var frames = new Keyframe[]
{
new Keyframe(0, 0),
new Keyframe(1, 1),
new Keyframe(2, 2),
new Keyframe(3, 3),
new Keyframe(4, 4),
new Keyframe(5, 5)
};
Assert.AreEqual(30 * 5 + 1, AnimationCurveBake.Bake(ref frames, 30));
}