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Force an even number of vertices for the RenderableSpheres (closes #957)

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Alexander Bock
2019-08-22 09:31:07 +02:00
parent dd76a9bd7b
commit 21d799dd29
1 changed files with 9 additions and 1 deletions
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10
modules/base/rendering/renderablesphericalgrid.cpp
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@@ -137,7 +137,12 @@ RenderableSphericalGrid::RenderableSphericalGrid(const ghoul::Dictionary& dictio
if (dictionary.hasKey(SegmentsInfo.identifier)) {
_segments = static_cast<int>(dictionary.value<double>(SegmentsInfo.identifier));
}
_segments.onChange([&]() { _gridIsDirty = true; });
_segments.onChange([&]() {
if (_segments.value() % 2 == 1) {
_segments = _segments - 1;
}
_gridIsDirty = true;
});
addProperty(_segments);
if (dictionary.hasKey(LineWidthInfo.identifier)) {
@@ -259,7 +264,10 @@ void RenderableSphericalGrid::update(const UpdateData&) {
_isize = 6 * _segments * _segments;
_vsize = (_segments + 1) * (_segments + 1);
_varray.resize(_vsize);
Vertex v = { 0.f, 0.f, 0.f };
std::fill(_varray.begin(), _varray.end(), v);
_iarray.resize(_isize);
std::fill(_iarray.begin(), _iarray.end(), 0);
int nr = 0;
const float fsegments = static_cast<float>(_segments);