From fceeaa72f4a9f4547adc500f45c69202b9e89188 Mon Sep 17 00:00:00 2001 From: Michael Roer Pedersen Date: Thu, 31 May 2018 15:07:00 +0200 Subject: [PATCH] FBX animation export: Assimp animation time is already in seconds. Just convert to FBX time. --- code/FBXExporter.cpp | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/code/FBXExporter.cpp b/code/FBXExporter.cpp index a942e31bc..2403ca845 100644 --- a/code/FBXExporter.cpp +++ b/code/FBXExporter.cpp @@ -980,9 +980,13 @@ aiMatrix4x4 get_world_transform(const aiNode* node, const aiScene* scene) int64_t to_ktime(double ticks, const aiAnimation* anim) { if (anim->mTicksPerSecond <= 0) { - return static_cast(ticks) * FBX::SECOND; + return static_cast(ticks * FBX::SECOND); } - return (static_cast(ticks) / static_cast(anim->mTicksPerSecond)) * FBX::SECOND; + return (static_cast(ticks / anim->mTicksPerSecond * FBX::SECOND)); +} + +int64_t to_ktime(double time) { + return (static_cast(time * FBX::SECOND)); } void FBXExporter::WriteObjects () @@ -2089,7 +2093,7 @@ void FBXExporter::WriteObjects () // position/translation for (size_t ki = 0; ki < na->mNumPositionKeys; ++ki) { const aiVectorKey& k = na->mPositionKeys[ki]; - times.push_back(to_ktime(k.mTime, anim)); + times.push_back(to_ktime(k.mTime)); xval.push_back(k.mValue.x); yval.push_back(k.mValue.y); zval.push_back(k.mValue.z); @@ -2103,7 +2107,7 @@ void FBXExporter::WriteObjects () times.clear(); xval.clear(); yval.clear(); zval.clear(); for (size_t ki = 0; ki < na->mNumRotationKeys; ++ki) { const aiQuatKey& k = na->mRotationKeys[ki]; - times.push_back(to_ktime(k.mTime, anim)); + times.push_back(to_ktime(k.mTime)); // TODO: aiQuaternion method to convert to Euler... aiMatrix4x4 m(k.mValue.GetMatrix()); aiVector3D qs, qr, qt; @@ -2121,7 +2125,7 @@ void FBXExporter::WriteObjects () times.clear(); xval.clear(); yval.clear(); zval.clear(); for (size_t ki = 0; ki < na->mNumScalingKeys; ++ki) { const aiVectorKey& k = na->mScalingKeys[ki]; - times.push_back(to_ktime(k.mTime, anim)); + times.push_back(to_ktime(k.mTime)); xval.push_back(k.mValue.x); yval.push_back(k.mValue.y); zval.push_back(k.mValue.z);