| public HasUserDataValue ( int slotID ) : bool | ||
| slotID | int | the slot id obtained by MBEmitter.GetParticleUserDataID |
| return | bool | |
public override bool OnLifetime(MBParticle PT)
{
if (PT.HasUserDataValue(mGameObjectSlotID)) {
Transform ptobj = PT.UserData[mGameObjectSlotID] as Transform;
if (ptobj) {
if (SyncPosition)
ptobj.position = ParticleSystem.Transform.TransformPoint(PT.Position);
if (SyncSize)
ptobj.localScale = PT.Scale;
switch (SyncRotation) {
case MBParticleTransformConnectorRotationMode.None: break;
case MBParticleTransformConnectorRotationMode.ByVelocity:
if (PT.Velocity != Vector3.zero)
ptobj.rotation = Quaternion.LookRotation(PT.Velocity);
break;
case MBParticleTransformConnectorRotationMode.ByHeading:
if (PT.Heading != Vector3.zero)
ptobj.rotation = Quaternion.LookRotation(PT.Heading);
break;
}
}
}
return true;
}
public override bool OnLifetime(MBParticle PT)
{
if (PT.HasUserDataValue(mLifeLastTimeID) && PT.HasUserDataValue(mLifeDirID)) {
float lastTime = (float)PT.UserData[mLifeLastTimeID];
int dir = (int)PT.UserData[mLifeDirID];
if (ParticleSystem.GlobalTime - lastTime >= mLifetimeStepTime) {
PT.ImageFrameIndex = Advance(PT.ImageFrameIndex, ref dir, LifetimeAnimRepeat, LifetimeAnimMode);
PT.UserData[mLifeLastTimeID] = lastTime + mLifetimeStepTime;
PT.UserData[mLifeDirID] = dir;
}
}
return true;
}
public override bool OnLifetime(MBParticle PT)
{
if (DelaySync) {
if (mLastGT==ParentEmitter.ParticleSystem.GlobalTime){
} else if (mNextGT < ParentEmitter.ParticleSystem.GlobalTime) {
mNextGT = PT.ParticleSystem.GlobalTime + Delay + Delay * DelayRandomPercent;
mLastGT = ParentEmitter.ParticleSystem.GlobalTime;
} else
return true;
}
else {
if (PT.HasUserDataValue(mSlotID) && (float)PT.UserData[mSlotID] < PT.ParticleSystem.GlobalTime) {
PT.UserData[mSlotID] = PT.ParticleSystem.GlobalTime + Delay + Delay * DelayRandomPercent;
}
else
return true;
}
Vector3 v = (Value + Value * RandomPercent);
if (RandomSign)
v *= MBUtility.RandomSign();
switch (Target) {
case MBParticleMathOperatorTarget.Position:
DoOp(ref PT.Position, v);
break;
case MBParticleMathOperatorTarget.DistanceToCenter:
Vector3 dir=(PT.Parent.Position-PT.Position);
float d=dir.magnitude;
DoOp(ref d, v.x);
PT.Position = PT.Parent.Position - dir.normalized * d;
break;
case MBParticleMathOperatorTarget.Size:
DoOp(ref PT.Scale, v);
break;
case MBParticleMathOperatorTarget.Acceleration:
DoOp(ref PT.Acceleration, v.x);
break;
case MBParticleMathOperatorTarget.Friction:
DoOp(ref PT.Friction, v.x);
break;
case MBParticleMathOperatorTarget.Heading:
DoOp(ref PT.Heading, v);
break;
case MBParticleMathOperatorTarget.Mass:
DoOp(ref PT.Mass, v.x);
break;
case MBParticleMathOperatorTarget.Rotation:
DoOp(ref PT.Rotation, v);
break;
}
return true;
}