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Fixes bugs when some variables equals 0

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This commit is contained in:
Adam Rohdin
2023-06-07 16:59:39 +02:00
parent 959efddc51
commit f1d838da77
1 changed files with 4 additions and 4 deletions
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8
modules/base/rendering/renderabletrailtrajectory.cpp
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@@ -218,15 +218,15 @@ void RenderableTrailTrajectory::update(const UpdateData& data) {
// Cap _numberOfVertices in order to prevent overflow and extreme performance
// degredation/RAM usage
_numberOfVertices = std::min(
static_cast<unsigned int>(timespan / _totalSampleInterval),
static_cast<unsigned int>(std::ceil(timespan / _totalSampleInterval)),
maxNumberOfVertices
);
// We need to recalcuate the _totalSampleInterval if _numberOfVertices eqals
// maxNumberOfVertices. If we don't do this the position for each vertex
// will not be correct for the number of vertices we are doing along the trail
_totalSampleInterval = (_numberOfVertices == maxNumberOfVertices) ?
(timespan / _numberOfVertices) : _totalSampleInterval;
_totalSampleInterval = std::max(1.0, (_numberOfVertices == maxNumberOfVertices) ?
(timespan / _numberOfVertices) : _totalSampleInterval);
// Make space for the vertices
_vertexArray.clear();
@@ -311,7 +311,7 @@ void RenderableTrailTrajectory::update(const UpdateData& data) {
(data.time.j2000Seconds() - _start) / (_end - _start)
);
if (data.time.j2000Seconds() < _end) {
_primaryRenderInformation.count = static_cast<GLsizei>(_vertexArray.size() * t);
_primaryRenderInformation.count = static_cast<GLsizei>(std::max(1.0,_vertexArray.size() * t));
}
else {
_primaryRenderInformation.count = static_cast<GLsizei>(_vertexArray.size());