public override TwistChainStep1Job Create(Animator animator, ref TwistChainStep1Data data, Component component)
{
// Retrieve chain in-between root and tip transforms.
Transform[] chain = ConstraintsUtils.ExtractChain(data.root, data.tip);
// Extract steps from chain.
float[] steps = ConstraintsUtils.ExtractSteps(chain);
// Build Job.
var job = new TwistChainStep1Job();
job.chain = new NativeArray <ReadWriteTransformHandle>(chain.Length, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
job.steps = new NativeArray <float>(chain.Length, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
job.rootTarget = ReadWriteTransformHandle.Bind(animator, data.rootTarget);
job.tipTarget = ReadWriteTransformHandle.Bind(animator, data.tipTarget);
// Set values in NativeArray.
for (int i = 0; i < chain.Length; ++i)
{
job.chain[i] = ReadWriteTransformHandle.Bind(animator, chain[i]);
job.steps[i] = steps[i];
}
return(job);
}
public override ChainIKConstraintJob Create(Animator animator, ref T data, Component component)
{
Transform[] chain = ConstraintsUtils.ExtractChain(data.root, data.tip);
var job = new ChainIKConstraintJob();
job.chain = new NativeArray <ReadWriteTransformHandle>(chain.Length, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
job.linkLengths = new NativeArray <float>(chain.Length, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
job.linkPositions = new NativeArray <Vector3>(chain.Length, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
job.maxReach = 0f;
int tipIndex = chain.Length - 1;
for (int i = 0; i < chain.Length; ++i)
{
job.chain[i] = ReadWriteTransformHandle.Bind(animator, chain[i]);
job.linkLengths[i] = (i != tipIndex) ? Vector3.Distance(chain[i].position, chain[i + 1].position) : 0f;
job.maxReach += job.linkLengths[i];
}
job.target = ReadOnlyTransformHandle.Bind(animator, data.target);
job.targetOffset = AffineTransform.identity;
if (data.maintainTargetPositionOffset)
{
job.targetOffset.translation = data.tip.position - data.target.position;
}
if (data.maintainTargetRotationOffset)
{
job.targetOffset.rotation = Quaternion.Inverse(data.target.rotation) * data.tip.rotation;
}
job.chainRotationWeight = FloatProperty.Bind(animator, component, data.chainRotationWeightFloatProperty);
job.tipRotationWeight = FloatProperty.Bind(animator, component, data.tipRotationWeightFloatProperty);
var cacheBuilder = new AnimationJobCacheBuilder();
job.maxIterationsIdx = cacheBuilder.Add(data.maxIterations);
job.toleranceIdx = cacheBuilder.Add(data.tolerance);
job.cache = cacheBuilder.Build();
return(job);
}
/// <inheritdoc />
public override TwistChainConstraintJob Create(Animator animator, ref T data, Component component)
{
// Retrieve chain in-between root and tip transforms.
Transform[] chain = ConstraintsUtils.ExtractChain(data.root, data.tip);
// Extract steps from chain.
float[] steps = ConstraintsUtils.ExtractSteps(chain);
// Build Job.
var job = new TwistChainConstraintJob();
job.chain = new NativeArray <ReadWriteTransformHandle>(chain.Length, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
job.steps = new NativeArray <float>(chain.Length, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
job.weights = new NativeArray <float>(chain.Length, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
job.rotations = new NativeArray <Quaternion>(chain.Length, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
job.rootTarget = ReadWriteTransformHandle.Bind(animator, data.rootTarget);
job.tipTarget = ReadWriteTransformHandle.Bind(animator, data.tipTarget);
// Set values in NativeArray.
for (int i = 0; i < chain.Length; ++i)
{
job.chain[i] = ReadWriteTransformHandle.Bind(animator, chain[i]);
job.steps[i] = steps[i];
job.weights[i] = Mathf.Clamp01(data.curve.Evaluate(steps[i]));
}
job.rotations[0] = Quaternion.identity;
job.rotations[chain.Length - 1] = Quaternion.identity;
for (int i = 1; i < chain.Length - 1; ++i)
{
job.rotations[i] = Quaternion.Inverse(Quaternion.Lerp(chain[0].rotation, chain[chain.Length - 1].rotation, job.weights[i])) * chain[i].rotation;
}
return(job);
}
