Variant ValueAnimation::GetAnimationValue(float scaledTime)
{
unsigned index = 1;
for (; index < keyFrames_.Size(); ++index)
{
if (scaledTime < keyFrames_[index].time_)
break;
}
if (index >= keyFrames_.Size() || !interpolatable_ || interpolationMethod_ == IM_NONE)
return keyFrames_[index - 1].value_;
else
{
if (interpolationMethod_ == IM_LINEAR)
return LinearInterpolation(index - 1, index, scaledTime);
else
return SplineInterpolation(index - 1, index, scaledTime);
}
}
void AttributeAnimation::UpdateAttributeValue(Animatable* animatable, const AttributeInfo& attributeInfo, float scaledTime)
{
unsigned index = 1;
for (; index < keyFrames_.Size(); ++index)
{
if (scaledTime < keyFrames_[index].time_)
break;
}
if (index >= keyFrames_.Size() || !interpolatable_)
animatable->OnSetAttribute(attributeInfo, keyFrames_[index - 1].value_);
else
{
if (interpolationMethod_ == IM_LINEAR)
animatable->OnSetAttribute(attributeInfo, LinearInterpolation(index - 1, index, scaledTime));
else
animatable->OnSetAttribute(attributeInfo, SplineInterpolation(index - 1, index, scaledTime));
}
}
