//获取绕发射中心的旋转方向
public void GetRotationByCenter(CGfxParticleSystem sys, CGfxParticleSubState substate, ref Quaternion rotation, out Vector3 result)
{
result = new Vector3(sys.Matrix.M41 + substate.Position.X,
sys.Matrix.M42 + substate.Position.Y,
sys.Matrix.M43 + substate.Position.Z);
result = rotation * (mPose.mPosition - result) + result - mPose.mPosition;
}
public void UpdateParticleSubState(float elaspe)
{
if (SubStates != null)
{
var effector = Effector.Get(false);
for (int i = 0; i < SubStates.Length; i++)
{
if (CurLiveTime <= FireDelay)
{
continue;
}
unsafe
{
CGfxParticleState **pStates;
int num = 0;
CGfxParticleSubState.SDK_GfxParticleSubState_GetParticles(SubStates[i].CoreObject, &pStates, &num);
if (num > 0)
{
//宏图处理粒子状态变更
effector.OnParticleStateTick(this, pStates, num, i, SubStates[i], elaspe, i);
}
}
//这里处理SubState里面的粒子如果死亡，移除状态
CGfxParticleSubState.SDK_GfxParticleSubState_Simulate(SubStates[i].CoreObject, elaspe);
if (TrailNode != null)
{
TrailNode.Clear();
}
if (SubStates[i].MacrossNode != null)
{
effector.ParticleData.ParticleSystem = this;
effector.ParticleData.ParticleSubState = SubStates[i];
effector.ParticleData.ParticleEmitterShape = SubStates[i].Shape;
SubStates[i].MacrossNode.Update(elaspe, effector.ParticleData);
}
var TransformNode = SubStates[i].TransformNode;
if (TransformNode != null)
{
float tick = 0;
if (TransformNode.Loop)
{
tick = ((EngineNS.CEngine.Instance.EngineTimeSecond - TransformNode.StartTick) % TransformNode.Duration) / TransformNode.Duration;
}
else
{
tick = MathHelper.FClamp((EngineNS.CEngine.Instance.EngineTimeSecond - TransformNode.StartTick) / TransformNode.Duration, 0f, 1f);
}
SubStates[i].TransformNode.SetMatrix(tick);
}
}
}
}
public Vector3 GetDirectionToCenter([Editor.DisplayParamName("粒子系统对象(CGfxParticleSystem)")] CGfxParticleSystem sys, [Editor.DisplayParamName("粒子发射器状态对象(CGfxParticleSubState)")] CGfxParticleSubState substate)
{
Vector3 basepos = new Vector3(sys.Matrix.M41 + substate.Position.X,
sys.Matrix.M42 + substate.Position.Y,
sys.Matrix.M43 + substate.Position.Z);
Vector3 dir = mPose.mPosition - basepos;
dir.Normalize();
return(dir);
}
public Vector3 GetRotationByCenter([Editor.DisplayParamName("粒子系统对象(CGfxParticleSystem)")] CGfxParticleSystem sys, [Editor.DisplayParamName("粒子发射器状态对象(CGfxParticleSubState)")] CGfxParticleSubState substate, [Editor.DisplayParamName("转向轴(Vector3)")] Vector3 aix)
{
Vector3 basepos = new Vector3(sys.Matrix.M41 + substate.Position.X,
sys.Matrix.M42 + substate.Position.Y,
sys.Matrix.M43 + substate.Position.Z);
Vector3 dir = mPose.mPosition - basepos;
Vector3.Cross(ref dir, ref aix, out basepos);
basepos.Normalize();
return(basepos);
}
//宏图中处理逻辑 工具中提供固定形式
public unsafe void OnParticleStateTick(CGfxParticleSystem sys, CGfxParticleState **pStates, int num, int stateIndex, CGfxParticleSubState state, float elaspe, int pindex)
{
for (int i = num - 1; i >= 0; i--)
{
if (pindex == 0)
{
state.UpdateParticle(this, elaspe, sys, pStates[i]->Host);
}
state.MacrossParticleStateNodeUpdate(this, elaspe, sys, pStates[i]->Host, pStates[i], i);
}
}
//生成ParticleState时的初始数据 宏图中设置
public virtual unsafe void DoParticleStateBorn(CGfxParticleSystem sys, CGfxParticleState **pStates, CGfxParticleSubState substate, int stateIndex, int particlenum = 0)
{
int nowindex = sys.ParticleNumber - particlenum;
for (int i = 0; i < particlenum; i++)
{
if (stateIndex == 0)
{
substate.InitParticle(this, sys, pStates[i]->Host);
}
substate.MacrossParticleStateNodeInit(this, sys, pStates[i]->Host, pStates[i], nowindex + i);
substate.EffectParticleStatePose(ref *pStates[i]);
}
}
public virtual void DoParticleSubStateTick1([EngineNS.Editor.DisplayParamName("粒子发射器状态对象")] CGfxParticleSubState substate)
{
}
//[EngineNS.Editor.MacrossMember(Editor.MacrossMemberAttribute.enMacrossType.Callable | Editor.MacrossMemberAttribute.enMacrossType.Overrideable)]
//[Editor.MacrossPanelPathAttribute("粒子系统/粒子系统对象(CGfxParticleSystem)/DoParticleSubState")]
//[EngineNS.Editor.DisplayParamName("粒子发射器状态对象初始华")]
public virtual void DoParticleSubStateBorn([EngineNS.Editor.DisplayParamName("粒子发射系统对象")] CGfxParticleSystem sys, [EngineNS.Editor.DisplayParamName("粒子发射器状态对象")] CGfxParticleSubState substate, int index)
{
if (substate.MacrossNode != null)
{
ParticleData.ParticleSubState = substate;
ParticleData.ParticleEmitterShape = substate.Shape;
substate.MacrossNode.Init(ParticleData);
}
}