public void ProcessAnimation(AnimationStream stream)
        {
            float w = jobWeight.Get(stream);

            if (w > 0f)
            {
                AnimationStreamHandleUtility.ReadFloats(stream, sourceWeights, weightBuffer);

                float sumWeights = AnimationRuntimeUtils.Sum(weightBuffer);
                if (sumWeights < k_Epsilon)
                {
                    return;
                }

                float weightScale = sumWeights > 1f ? 1f / sumWeights : 1f;

                float accumWeights = 0f;
                var   accumTx      = new AffineTransform(Vector3.zero, QuaternionExt.zero);
                for (int i = 0; i < sourceTransforms.Length; ++i)
                {
                    ReadOnlyTransformHandle sourceTransform = sourceTransforms[i];
                    var normalizedWeight = weightBuffer[i] * weightScale;
                    if (normalizedWeight < k_Epsilon)
                    {
                        continue;
                    }

                    sourceTransform.GetGlobalTR(stream, out Vector3 srcWPos, out Quaternion srcWRot);
                    var sourceTx = new AffineTransform(srcWPos, srcWRot);
                    sourceTx *= sourceOffsets[i];

                    accumTx.translation += sourceTx.translation * normalizedWeight;
                    accumTx.rotation     = QuaternionExt.Add(accumTx.rotation, QuaternionExt.Scale(sourceTx.rotation, normalizedWeight));

                    // Required to update handles with binding info.
                    sourceTransforms[i] = sourceTransform;
                    accumWeights       += normalizedWeight;
                }

                accumTx.rotation = QuaternionExt.NormalizeSafe(accumTx.rotation);
                if (accumWeights < 1f)
                {
                    driven.GetGlobalTR(stream, out Vector3 currentWPos, out Quaternion currentWRot);
                    accumTx.translation += currentWPos * (1f - accumWeights);
                    accumTx.rotation     = Quaternion.Lerp(currentWRot, accumTx.rotation, accumWeights);
                }

                // Convert accumTx to local space
                if (drivenParent.IsValid(stream))
                {
                    drivenParent.GetGlobalTR(stream, out Vector3 parentWPos, out Quaternion parentWRot);
                    var parentTx = new AffineTransform(parentWPos, parentWRot);
                    accumTx = parentTx.InverseMul(accumTx);
                }

                driven.GetLocalTRS(stream, out Vector3 currentLPos, out Quaternion currentLRot, out Vector3 currentLScale);
                if (Vector3.Dot(positionAxesMask, positionAxesMask) < 3f)
                {
                    accumTx.translation = AnimationRuntimeUtils.Lerp(currentLPos, accumTx.translation, positionAxesMask);
                }
                if (Vector3.Dot(rotationAxesMask, rotationAxesMask) < 3f)
                {
                    accumTx.rotation = Quaternion.Euler(AnimationRuntimeUtils.Lerp(currentLRot.eulerAngles, accumTx.rotation.eulerAngles, rotationAxesMask));
                }

                driven.SetLocalTRS(
                    stream,
                    Vector3.Lerp(currentLPos, accumTx.translation, w),
                    Quaternion.Lerp(currentLRot, accumTx.rotation, w),
                    currentLScale
                    );
            }
            else
            {
                AnimationRuntimeUtils.PassThrough(stream, driven);
            }
        }
        /// <summary>
        /// Defines what to do when processing the animation.
        /// </summary>
        /// <param name="stream">The animation stream to work on.</param>
        public void ProcessAnimation(AnimationStream stream)
        {
            float w = jobWeight.Get(stream);

            if (w > 0f)
            {
                AnimationStreamHandleUtility.ReadFloats(stream, sourceWeights, weightBuffer);

                float sumWeights = AnimationRuntimeUtils.Sum(weightBuffer);
                if (sumWeights < k_Epsilon)
                {
                    AnimationRuntimeUtils.PassThrough(stream, driven);
                    return;
                }

                float weightScale = sumWeights > 1f ? 1f / sumWeights : 1f;

                float      accumWeights = 0f;
                Quaternion accumRot     = QuaternionExt.zero;
                for (int i = 0; i < sourceTransforms.Length; ++i)
                {
                    var normalizedWeight = weightBuffer[i] * weightScale;
                    if (normalizedWeight < k_Epsilon)
                    {
                        continue;
                    }

                    ReadOnlyTransformHandle sourceTransform = sourceTransforms[i];
                    accumRot = QuaternionExt.Add(accumRot, QuaternionExt.Scale(sourceTransform.GetRotation(stream) * sourceOffsets[i], normalizedWeight));

                    // Required to update handles with binding info.
                    sourceTransforms[i] = sourceTransform;
                    accumWeights       += normalizedWeight;
                }

                accumRot = QuaternionExt.NormalizeSafe(accumRot);
                if (accumWeights < 1f)
                {
                    accumRot = Quaternion.Lerp(driven.GetRotation(stream), accumRot, accumWeights);
                }

                // Convert accumRot to local space
                if (drivenParent.IsValid(stream))
                {
                    accumRot = Quaternion.Inverse(drivenParent.GetRotation(stream)) * accumRot;
                }

                Quaternion currentLRot = driven.GetLocalRotation(stream);
                if (Vector3.Dot(axesMask, axesMask) < 3f)
                {
                    accumRot = Quaternion.Euler(AnimationRuntimeUtils.Lerp(currentLRot.eulerAngles, accumRot.eulerAngles, axesMask));
                }

                var offset = drivenOffset.Get(stream);
                if (Vector3.Dot(offset, offset) > 0f)
                {
                    accumRot *= Quaternion.Euler(offset);
                }

                driven.SetLocalRotation(stream, Quaternion.Lerp(currentLRot, accumRot, w));
            }
            else
            {
                AnimationRuntimeUtils.PassThrough(stream, driven);
            }
        }
        public void ProcessAnimation(AnimationStream stream)
        {
            float w = jobWeight.Get(stream);

            if (w > 0f)
            {
                AnimationStreamHandleUtility.ReadFloats(stream, sourceWeights, weightBuffer);

                float sumWeights = AnimationRuntimeUtils.Sum(weightBuffer);
                if (sumWeights < k_Epsilon)
                {
                    AnimationRuntimeUtils.PassThrough(stream, driven);
                    return;
                }

                float weightScale = sumWeights > 1f ? 1f / sumWeights : 1f;

                Vector2 minMaxAngles = new Vector2(minLimit.Get(stream), maxLimit.Get(stream));

                var        drivenWPos         = driven.GetPosition(stream);
                var        drivenLRot         = driven.GetLocalRotation(stream);
                var        drivenParentInvRot = Quaternion.Inverse(drivenParent.GetRotation(stream));
                Quaternion accumDeltaRot      = QuaternionExt.zero;
                var        fromDir            = drivenLRot * aimAxis;
                float      accumWeights       = 0f;
                for (int i = 0; i < sourceTransforms.Length; ++i)
                {
                    var normalizedWeight = weightBuffer[i] * weightScale;
                    if (normalizedWeight < k_Epsilon)
                    {
                        continue;
                    }

                    ReadOnlyTransformHandle sourceTransform = sourceTransforms[i];

                    var toDir = drivenParentInvRot * (sourceTransform.GetPosition(stream) - drivenWPos);
                    if (toDir.sqrMagnitude < k_Epsilon)
                    {
                        continue;
                    }

                    var crossDir = Vector3.Cross(fromDir, toDir).normalized;
                    if (Vector3.Dot(axesMask, axesMask) < 3f)
                    {
                        crossDir = AnimationRuntimeUtils.Select(Vector3.zero, crossDir, axesMask).normalized;
                        if (Vector3.Dot(crossDir, crossDir) > k_Epsilon)
                        {
                            fromDir = AnimationRuntimeUtils.ProjectOnPlane(fromDir, crossDir);
                            toDir   = AnimationRuntimeUtils.ProjectOnPlane(toDir, crossDir);
                        }
                        else
                        {
                            toDir = fromDir;
                        }
                    }

                    var rotToSource = Quaternion.AngleAxis(
                        Mathf.Clamp(Vector3.Angle(fromDir, toDir), minMaxAngles.x, minMaxAngles.y),
                        crossDir
                        );

                    accumDeltaRot = QuaternionExt.Add(
                        accumDeltaRot,
                        QuaternionExt.Scale(sourceOffsets[i] * rotToSource, normalizedWeight)
                        );

                    // Required to update handles with binding info.
                    sourceTransforms[i] = sourceTransform;
                    accumWeights       += normalizedWeight;
                }

                accumDeltaRot = QuaternionExt.NormalizeSafe(accumDeltaRot);
                if (accumWeights < 1f)
                {
                    accumDeltaRot = Quaternion.Lerp(Quaternion.identity, accumDeltaRot, accumWeights);
                }

                Quaternion newRot = accumDeltaRot * drivenLRot;
                if (Vector3.Dot(axesMask, axesMask) < 3f)
                {
                    newRot = Quaternion.Euler(AnimationRuntimeUtils.Select(drivenLRot.eulerAngles, newRot.eulerAngles, axesMask));
                }

                var offset = drivenOffset.Get(stream);
                if (Vector3.Dot(offset, offset) > 0f)
                {
                    newRot *= Quaternion.Euler(offset);
                }

                driven.SetLocalRotation(stream, Quaternion.Lerp(drivenLRot, newRot, w));
            }
            else
            {
                AnimationRuntimeUtils.PassThrough(stream, driven);
            }
        }
Пример #4
0
        public void ProcessAnimation(AnimationStream stream)
        {
            float w = jobWeight.Get(stream);

            if (w > 0f)
            {
                AnimationStreamHandleUtility.ReadFloats(stream, sourceWeights, weightBuffer);

                float sumWeights = AnimationRuntimeUtils.Sum(weightBuffer);
                if (sumWeights < k_Epsilon)
                {
                    return;
                }

                float weightScale = sumWeights > 1f ? 1f / sumWeights : 1f;

                Vector2 minMaxAngles = new Vector2(minLimit.Get(stream), maxLimit.Get(stream));
                driven.GetGlobalTR(stream, out Vector3 currentWPos, out Quaternion currentWRot);
                Vector3    currentDir    = currentWRot * aimAxis;
                Quaternion accumDeltaRot = QuaternionExt.zero;
                float      accumWeights  = 0f;
                for (int i = 0; i < sourceTransforms.Length; ++i)
                {
                    var normalizedWeight = weightBuffer[i] * weightScale;
                    if (normalizedWeight < k_Epsilon)
                    {
                        continue;
                    }

                    ReadOnlyTransformHandle sourceTransform = sourceTransforms[i];

                    var toDir = sourceTransform.GetPosition(stream) - currentWPos;
                    if (toDir.sqrMagnitude < k_Epsilon)
                    {
                        continue;
                    }

                    var rotToSource = Quaternion.AngleAxis(
                        Mathf.Clamp(Vector3.Angle(currentDir, toDir), minMaxAngles.x, minMaxAngles.y),
                        Vector3.Cross(currentDir, toDir).normalized
                        );

                    accumDeltaRot = QuaternionExt.Add(
                        accumDeltaRot,
                        QuaternionExt.Scale(sourceOffsets[i] * rotToSource, normalizedWeight)
                        );

                    // Required to update handles with binding info.
                    sourceTransforms[i] = sourceTransform;
                    accumWeights       += normalizedWeight;
                }

                accumDeltaRot = QuaternionExt.NormalizeSafe(accumDeltaRot);
                if (accumWeights < 1f)
                {
                    accumDeltaRot = Quaternion.Lerp(Quaternion.identity, accumDeltaRot, accumWeights);
                }

                Quaternion newRot = accumDeltaRot * currentWRot;

                // Convert newRot to local space
                if (drivenParent.IsValid(stream))
                {
                    newRot = Quaternion.Inverse(drivenParent.GetRotation(stream)) * newRot;
                }

                Quaternion currentLRot = driven.GetLocalRotation(stream);
                if (Vector3.Dot(axesMask, axesMask) < 3f)
                {
                    newRot = Quaternion.Euler(AnimationRuntimeUtils.Lerp(currentLRot.eulerAngles, newRot.eulerAngles, axesMask));
                }

                var offset = drivenOffset.Get(stream);
                if (Vector3.Dot(offset, offset) > 0f)
                {
                    newRot *= Quaternion.Euler(offset);
                }

                driven.SetLocalRotation(stream, Quaternion.Lerp(currentLRot, newRot, w));
            }
            else
            {
                AnimationRuntimeUtils.PassThrough(stream, driven);
            }
        }