public void Execute(int index, TransformAccess transform)
{
ParticleInfo particleInfo = ParticleArray[index];
// ParticleInfo pp = ParticleArray[particleInfo.ParentIndexInGlobalArray];
particleInfo.WorldPosition = particleInfo.TempWorldPosition;
transform.position = particleInfo.WorldPosition;
transform.rotation = particleInfo.WorldRotation;
ParticleArray[index] = particleInfo;
}
public void Execute(int index)
{
int headIndex = index / MaxParticleLimit;
HeadInfo curHeadInfo = HeadArray[headIndex];
int offset = index % MaxParticleLimit;
//每个Head及其Particle只需要计算一次就够了！
if (offset == 0)
{
float3 parentPosition = curHeadInfo.RootParentBoneWorldPosition;
quaternion parentRotation = curHeadInfo.RootParentBoneWorldRotation;
for (int j = 0; j < curHeadInfo.ParticleCount; j++)
{
int pIdx = curHeadInfo.DataOffsetInGlobalArray + j;
ParticleInfo p = ParticleArray[pIdx];
float3 localPosition = p.LocalPosition * p.ParentScale;
quaternion localRotation = p.LocalRotation;
float3 worldPosition =
Util.LocalToWorldPosition(parentPosition, parentRotation, localPosition);
quaternion worldRotation =
Util.LocalToWorldRotation(parentRotation, localRotation);
parentPosition = p.WorldPosition = worldPosition;
parentRotation = p.WorldRotation = worldRotation;
ParticleArray[pIdx] = p;
}
}
//如果遍历到空的部分就直接跳过就好了
if (offset >= curHeadInfo.ParticleCount)
{
return;
}
int particleId = curHeadInfo.DataOffsetInGlobalArray + offset;
ParticleInfo particle = ParticleArray[particleId];
if (particle.ParentIndex >= 0)
{
float3 v = particle.TempWorldPosition - particle.TempPrevWorldPosition;
float3 rMove = curHeadInfo.ObjectMove * particle.Inert;
particle.TempPrevWorldPosition = particle.TempWorldPosition + rMove;
float damping = particle.Damping;
if (particle.IsCollide)
{
damping += particle.Friction;
if (damping > 1)
{
damping = 1;
}
particle.IsCollide = false;
}
particle.TempWorldPosition += v * (1 - damping) + curHeadInfo.FinalForce + rMove;
}
else
{
particle.TempPrevWorldPosition = particle.TempWorldPosition;
particle.TempWorldPosition = particle.WorldPosition;
}
ParticleArray[particleId] = particle;
}
public void Execute(int index)
{
//避免IndexOutOfRangeException:Index {0} is out of restricted IJobParallelFor range [{1}...{2] in ReadWriteBuffer.
if (index % MaxParticleLimit == 0)
{
return;
}
int headIndex = index / MaxParticleLimit;
HeadInfo curHeadInfo = HeadArray[headIndex];
//遍历到那些空的Particle就不用再计算了
int offset = index % MaxParticleLimit;
if (offset >= curHeadInfo.ParticleCount)
{
return;
}
int particleId = curHeadInfo.DataOffsetInGlobalArray + offset;
ParticleInfo particleInfo = ParticleArray[particleId];
int parentParticleIndex = curHeadInfo.DataOffsetInGlobalArray + particleInfo.ParentIndex;
ParticleInfo parentParticleInfo = ParticleArray[parentParticleIndex];
float3 pos = particleInfo.WorldPosition;
float3 parentPos = parentParticleInfo.WorldPosition;
//TODO:尾节点的长度计算方法需要用math修改
Matrix4x4 m = float4x4.TRS(parentParticleInfo.TempWorldPosition, parentParticleInfo.WorldRotation,
particleInfo.ParentScale);
float restLen = !particleInfo.IsEndBone
? math.distance(parentPos, pos)
: m.MultiplyVector(particleInfo.EndOffset).magnitude;
float stiffness = math.lerp(1.0f, particleInfo.Stiffness, curHeadInfo.Weight);
if (stiffness > 0 || particleInfo.Elasticity > 0)
{
float4x4 em0 = float4x4.TRS(parentParticleInfo.TempWorldPosition, parentParticleInfo.WorldRotation,
particleInfo.ParentScale);
float3 restPos = math.mul(em0, new float4(particleInfo.LocalPosition.xyz, 1)).xyz;
float3 d = restPos - particleInfo.TempWorldPosition;
particleInfo.TempWorldPosition += d * particleInfo.Elasticity;
if (stiffness > 0)
{
d = restPos - particleInfo.TempWorldPosition;
float len = math.length(d);
float maxLen = restLen * (1 - stiffness) * 2;
if (len > maxLen)
{
particleInfo.TempWorldPosition += d * ((len - maxLen) / len);
}
}
}
// //与指定的非全局碰撞器进行计算，会过滤掉挂载的全局碰撞器防止重复计算
// NativeMultiHashMap<int, int>.Enumerator enumerator = BoneColliderMatchMap.GetValuesForKey(headIndex);
// while (enumerator.MoveNext())
// {
// if (ColliderArray[enumerator.Current].IsGlobal) continue;
// particleInfo.IsCollide =
// DynamicBoneCollider.HandleCollision(ColliderArray[enumerator.Current],
// ref particleInfo.TempWorldPosition,
// in particleInfo.Radius);
// }
//
// //与所有的全局碰撞器进行计算
// for (int i = 0; i < ColliderArray.Length; i++)
// {
// if (!ColliderArray[i].IsGlobal) continue;
// particleInfo.IsCollide =
// DynamicBoneCollider.HandleCollision(ColliderArray[i],
// ref particleInfo.TempWorldPosition,
// in particleInfo.Radius);
// }
// particleInfo.WorldPosition = particleInfo.TempWorldPosition;
float3 dd = parentParticleInfo.TempWorldPosition - particleInfo.TempWorldPosition;
float leng = math.length(dd);
if (leng > 0)
{
particleInfo.TempWorldPosition += dd * ((leng - restLen) / leng);
}
ParticleArray[particleId] = particleInfo;
}
