Function addKeyframe
Synopsis
#include <Source/Falcor/Scene/Animation/Animation.h>
void addKeyframe(uint32_t channelID, const Keyframe &keyframe)
Description
Add a keyframe. If there's already a keyframe at the requested time, this call will override the existing frame
Source
Lines 201-241 in Source/Falcor/Scene/Animation/Animation.cpp. Line 79 in Source/Falcor/Scene/Animation/Animation.h.
void Animation::addKeyframe(uint32_t channelID, const Keyframe& keyframe)
{
assert(channelID < mChannels.size());
assert(keyframe.time <= mDurationInSeconds);
mChannels[channelID].lastKeyframeUsed = 0;
auto& channelFrames = mChannels[channelID].keyframes;
if (channelFrames.size() == 0 || channelFrames[0].time > keyframe.time)
{
channelFrames.insert(channelFrames.begin(), keyframe);
return;
}
else
{
for (size_t i = 0; i < channelFrames.size(); i++)
{
auto& current = channelFrames[i];
// If we already have a key-frame at the same time, replace it
if (current.time == keyframe.time)
{
current = keyframe;
return;
}
// If this is not the last frame, Check if we are in between frames
if (i < channelFrames.size() - 1)
{
auto& Next = channelFrames[i + 1];
if (current.time < keyframe.time && Next.time > keyframe.time)
{
channelFrames.insert(channelFrames.begin() + i + 1, keyframe);
return;
}
}
}
// If we got here, need to push it to the end of the list
channelFrames.push_back(keyframe);
}
}