internal SplineIterator(XSpline spline, bool reverse, int startidx, int endidx)
{
mSpline = spline;
mReverse = reverse;
mStartidx = Mathf.Min(startidx, endidx);
mEndidx = Mathf.Max(startidx, endidx);
Reset();
}
public void Update(float deltaTime)
{
ElapsedTime += deltaTime;
for (int i = 0; i < AffectorList.Count; i++)
{
Affector aft = AffectorList[i];
aft.Update(deltaTime);
}
if (Owner.EmitType == (int)EMITTYPE.Spline && Owner.DirType == DIRECTION_TYPE.Spline)
{
XSpline spline = Owner.EmitSpline.Spline;
if (Owner.SplineEaseType == XEase.Easing.Linear)
{
mSplineIterator.Iterate(mOriSpeed * deltaTime);
}
else
{
mSplineOffset += mOriSpeed * deltaTime;
float t = mSplineOffset / spline.Length;
t = Mathf.Clamp(t, 0, 1);
mSplineIterator.SetOffset(XEase.EaseByType(Owner.SplineEaseType, 0, spline.Length, t));
}
Position = mSplineIterator.GetPosition();
}
else
{
Position += Velocity * deltaTime;
}
//if (Mathf.Abs(Acceleration) > 1e-04)
//{
//Velocity += Velocity.normalized * Acceleration * deltaTime;
//}
if (SyncClient)
{
//NOTICE: only sync position.
CurWorldPos = Position + GetRealClientPos();
}
else
{
CurWorldPos = Position;
}
CollisionDetection();
//sync subemitters position.
if (Owner.UseSubEmitters && SubEmitter != null && XffectComponent.IsActive(SubEmitter.gameObject))
{
SubEmitter.transform.position = CurWorldPos;
}
RenderObj.Update(deltaTime);
if (Owner.UseShaderCurve2 || Owner.UseShaderCurve1)
{
float x = Owner.UseShaderCurve1 ? Owner.ShaderCurveX1.Evaluate(GetElapsedTime(), this) : 1f;
float y = Owner.UseShaderCurve2 ? Owner.ShaderCurveX2.Evaluate(GetElapsedTime(), this) : 0f;
RenderObj.ApplyShaderParam(x, y);
}
else if (Owner.UseFlowControl)
{
float x = Owner.FlowSpeed * GetElapsedTime();
float y = Owner.FlowStretchLength;
//float d = x % y;
//float p = x / y;
//float px = x;
//if (Mathf.FloorToInt(p) % 2 == 0)
//{
// //first circle.
// px = d;
//}
//else
//{
// px = y - d;
//}
RenderObj.ApplyShaderParam(x, y);
}
LastWorldPos = CurWorldPos;
if (ElapsedTime > LifeTime && LifeTime > 0)
{
Reset();
Remove();
}
}
internal SplineEditorHelper(XSpline spline)
{
mSpline = spline;
}