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Fix: Fix possible division by zero 

- closes https://github.com/assimp/assimp/issues/4860
pull/4861/head
Kim Kulling 2023-01-04 09:19:37 +01:00 committed by GitHub
parent 767644cd3f
commit 96b071bdb1
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 3 deletions
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8
code/AssetLib/LWO/LWOAnimation.cpp
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@ -162,8 +162,11 @@ void AnimResolver::UpdateAnimRangeSetup() {
const double my_last = (*it).keys.back().time; const double my_last = (*it).keys.back().time;
const double delta = my_last - my_first; const double delta = my_last - my_first;
const size_t old_size = (*it).keys.size(); if (delta == 0.0) {
continue;
}
const size_t old_size = (*it).keys.size();
const float value_delta = (*it).keys.back().value - (*it).keys.front().value; const float value_delta = (*it).keys.back().value - (*it).keys.front().value;
// NOTE: We won't handle reset, linear and constant here. // NOTE: We won't handle reset, linear and constant here.
@ -176,8 +179,7 @@ void AnimResolver::UpdateAnimRangeSetup() {
case LWO::PrePostBehaviour_Oscillate: { case LWO::PrePostBehaviour_Oscillate: {
const double start_time = delta - std::fmod(my_first - first, delta); const double start_time = delta - std::fmod(my_first - first, delta);
std::vector<LWO::Key>::iterator n = std::find_if((*it).keys.begin(), (*it).keys.end(), std::vector<LWO::Key>::iterator n = std::find_if((*it).keys.begin(), (*it).keys.end(),
[start_time](double t) { return start_time > t; }), [start_time](double t) { return start_time > t; }), m;
m;
size_t ofs = 0; size_t ofs = 0;
if (n != (*it).keys.end()) { if (n != (*it).keys.end()) {