protected virtual void OnChangeState(RenderChunkState state)
{
switch (state)
{
case RenderChunkState.FadeOut:
case RenderChunkState.FadeOutToDel:
{
stateAniCurTime = stateAniDuration;
break;
}
case RenderChunkState.FadeIn:
{
stateAniCurTime = stateAniDuration;
color.A = 0;
break;
}
}
}
private void UpdateStateAnimation(GameTime gametime)
{
switch (state)
{
case RenderChunkState.FadeOut:
case RenderChunkState.FadeOutToDel:
{
if (stateAniCurTime >= 0.0f)
{
color.A = (byte)(MathHelper.SmoothStep(origincolor.ToVector4().W, 0.0f, (stateAniDuration - stateAniCurTime) / stateAniDuration) * 255.0f);
stateAniCurTime -= (float)gametime.ElapsedGameTime.TotalSeconds;
if (stateAniCurTime < 0.0f)
{
color.A = 0;
state = state == RenderChunkState.FadeOut ? RenderChunkState.Hide : RenderChunkState.Delete;
}
}
break;
}
case RenderChunkState.FadeIn:
{
if (stateAniCurTime >= 0.0f)
{
color.A = (byte)(MathHelper.SmoothStep(0.0f, origincolor.ToVector4().W, (stateAniDuration - stateAniCurTime) / stateAniDuration) * 255.0f);
stateAniCurTime -= (float)gametime.ElapsedGameTime.TotalSeconds;
if (stateAniCurTime < 0.0f)
{
color.A = origincolor.A;
state = RenderChunkState.Show;
}
}
break;
}
}
}
protected override sealed void OnChangeState(RenderChunkState state)
{
base.OnChangeState(state);
for (int i = 0; i < childs.Count; ++i)
{
childs[i].State = state;
}
}
