public unsafe void LerpPoseFromState([Editor.DisplayParamName("粒子对象(CGfxParticle)")] ref CGfxParticle p, [Editor.DisplayParamName("粒子对象中状态对象1(int)")] int stateindex1, [Editor.DisplayParamName("粒子对象中状态对象2(int)")] int stateindex2, [Editor.DisplayParamName("过度系数(OnGetFactorDelegate)")] OnGetFactorDelegate GetFactor)
{
var ps0 = p.GetState(stateindex1);
var ps1 = p.GetState(stateindex2);
float factor = GetFactor == null ? 0 : GetFactor(p.mLife, p.mLifeTick);
factor = (float)Math.Max(0.0, Math.Min(1.0, factor));
CGfxParticlePose.Lerp(ref p.FinalPose, ref ps0->mPose, ref ps1->mPose, factor);
}
public static void Set(ref CGfxParticlePose l, ref CGfxParticlePose r)
{
//r = lh * (1-v) + rh * v;
l.mPosition = r.mPosition;
l.mVelocity = r.mVelocity;
l.mColor = r.mColor;
l.mScale = r.mScale;
l.mRotation = r.mRotation;
l.mAngle = r.mAngle;
}
public static void SubFunc(ref CGfxParticlePose r, ref CGfxParticlePose lh, ref CGfxParticlePose rh)
{
//r = lh * (1-v) + rh * v;
r.mPosition = lh.mPosition - rh.mPosition;
r.mVelocity = lh.mVelocity - rh.mVelocity;
//r.mAcceleration = lh.mAcceleration - rh.mAcceleration;
r.mColor = UInt32_4.Lerp(ref lh.mColor, ref rh.mColor, 0.5f);
r.mScale = lh.mScale - rh.mScale;
r.mRotation = Quaternion.Lerp(lh.mRotation, rh.mRotation, 0.5f);
r.mAngle = lh.mAngle - rh.mAngle;
}
public static void Lerp(ref CGfxParticlePose r, ref CGfxParticlePose lh, ref CGfxParticlePose rh, float v)
{
//r = lh * (1-v) + rh * v;
float fa = 1 - v;
r.mPosition = lh.mPosition * fa + rh.mPosition * v;
r.mVelocity = lh.mVelocity * fa + rh.mVelocity * v;
//r.mAcceleration = lh.mAcceleration * fa + rh.mAcceleration * v;
r.mColor = UInt32_4.Lerp(ref lh.mColor, ref rh.mColor, v);
r.mScale = lh.mScale * fa + rh.mScale * v;
r.mRotation = Quaternion.Lerp(lh.mRotation, rh.mRotation, v);
r.mAngle = lh.mAngle * fa + rh.mAngle * v;
}
public static void Face2Cameral(ref CGfxParticlePose pose, Graphics.CGfxCamera camera)
{
}
public virtual unsafe void DoParticleCollectCompose(CGfxParticleSystem sys, CGfxParticle **ppParticles, int particlenum, int substatenum, float elaspe)
{
bool usecompute = true;
for (int i = 0; i < particlenum; i++)
{
if (sys.BillBoardType != CGfxParticleSystem.BILLBOARDTYPE.BILLBOARD_DISABLE || sys.TriggerNodes.Count > 0)
{
prepos = ppParticles[i]->FinalPose.mPosition;
}
if (sys.ComposeNodes.Count > 0)
{
usecomposenodes = false;
for (int ni = 0; ni < sys.ComposeNodes.Count; ni++)
{
if (sys.ComposeNodes[ni].CanUsed)
{
sys.ComposeNodes[ni].ComposeParticle(sys, ref *ppParticles[i], substatenum, elaspe, usecompute);
if (usecomposenodes == false)
{
(*ppParticles[i]).FinalPose = sys.ComposeNodes[ni].ResultPose;// TODO.
}
else
{
CGfxParticlePose.AddFunc(ref (*ppParticles[i]).FinalPose, ref (*ppParticles[i]).FinalPose, ref sys.ComposeNodes[ni].ResultPose);
}
usecomposenodes = true;
}
}
}
usecompute = false;
if (usecomposenodes == false)
{
if (sys.SubStates.Length > 0)
{
var ps = ppParticles[i]->GetState(0);
ppParticles[i]->FinalPose = ps->mPose;
CGfxParticlePose.Set(ref ppParticles[i]->FinalPose, ref ps->mPose);
var substate = sys.SubStates[0];
if (substate.TransformNode != null)
{
Quaternion.RotationYawPitchRoll(substate.TransformNode.YawPitchRoll.X, substate.TransformNode.YawPitchRoll.Y, substate.TransformNode.YawPitchRoll.Z, out substate.TransformNode.Rotation);
Matrix.Transformation(substate.TransformNode.Scale, substate.TransformNode.Rotation, substate.TransformNode.Translation, out matrix);
Vector3.Transform(ref (ppParticles[i]->FinalPose.mPosition), ref matrix, out matrixtovec4);
ppParticles[i]->FinalPose.mPosition.X = matrixtovec4.X;
ppParticles[i]->FinalPose.mPosition.Y = matrixtovec4.Y;
ppParticles[i]->FinalPose.mPosition.Z = matrixtovec4.Z;
if (substate.TransformNode.IgnoreRotation == false)
{
if (substate.RotationNodes == null || substate.RotationNodes.Count == 0)
{
ppParticles[i]->FinalPose.mRotation = substate.TransformNode.Rotation;
}
else
{
ppParticles[i]->FinalPose.mRotation *= substate.TransformNode.Rotation;
}
}
if (substate.TransformNode.IgnoreScale == false)
{
if (substate.ParticleScaleNode != null)
{
ppParticles[i]->FinalPose.mScale *= substate.TransformNode.Scale;
}
else
{
ppParticles[i]->FinalPose.mScale = substate.TransformNode.Scale;
}
}
}
}
}
//TODO..
if (sys.TrailNode != null)
{
sys.TrailNode.CreateAndUpdateTrailData(sys, ref *ppParticles[i], elaspe);
}
if (sys.TextureCutNode != null)
{
sys.TextureCutNode.Update(elaspe, ref *ppParticles[i]);
ppParticles[i]->FinalPose.SetUserParamsY(1, (byte)sys.TextureCutNode.CurrentIndex);
}
//处理处罚结点
if (sys.TriggerNodes.Count > 0)
{
for (int j = 0; j < sys.TriggerNodes.Count; j++)
{
sys.TriggerNodes[j].RefreshUpdateEvent(ref ppParticles[i]->FinalPose, ref prepos);
sys.TriggerNodes[j].TriggerBornEvent(ref ppParticles[i]->FinalPose);
sys.TriggerNodes[j].TriggerUpdateEvent(ref ppParticles[i]->FinalPose, ref prepos);
}
}
if (sys.EnableEventReceiver)
{
var tag = ppParticles[i]->Tag as ParticleTag;
if (tag != null)
{
if (tag.TriggerEvent != null)
{
if (tag.TriggerEvent.TriggerData.InheritPosition)
{
ppParticles[i]->FinalPose.mPosition += tag.TriggerEvent.Pose.mPosition;
}
if (tag.TriggerEvent.TriggerData.InheritScale)
{
ppParticles[i]->FinalPose.mScale *= tag.TriggerEvent.Pose.mScale;
}
if (tag.TriggerEvent.TriggerData.InheritRotation)
{
ppParticles[i]->FinalPose.mRotation *= tag.TriggerEvent.Pose.mRotation;
}
if (tag.TriggerEvent.TriggerData.InheritVelocity)//Todo
{
ppParticles[i]->FinalPose.mPosition += tag.TriggerEvent.Pose.mVelocity * elaspe;
}
}
}
}
if (sys.PointGravityNode != null)
{
gravity = sys.PointGravityNode._Data.Point - ppParticles[i]->FinalPose.mPosition;
// var dis = gravity.Length();
//if (dis > 0.00001f)
{
ppParticles[i]->FinalPose.mAcceleration.X = 0.5f * sys.PointGravityNode._Data.Accelerated * ppParticles[i]->mLifeTick * ppParticles[i]->mLifeTick;
//if (dis < ppParticles[i]->FinalPose.mAcceleration.X)
//{
// ppParticles[i]->FinalPose.mAcceleration.X = dis;
//}
gravity += ppParticles[i]->FinalPose.mVelocity;
gravity.Normalize();
ppParticles[i]->FinalPose.mPosition += gravity * ppParticles[i]->FinalPose.mAcceleration.X;
}
}
if (sys.BillBoardType != CGfxParticleSystem.BILLBOARDTYPE.BILLBOARD_DISABLE)
{
ppParticles[i]->FacePose(sys, sys.BillBoardType, sys.CoordSpace, ref prepos);
}
ppParticles[i]->FinalPose.SetUserParamsX(1, 1);
}
}