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prevent zero dimensions for Volume3DOverlay

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This commit is contained in:
Andrew Meadows 2017-09-27 12:07:42 -07:00
parent 2e92d40c8d
commit b602c18475
1 changed files with 13 additions and 1 deletions
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14
interface/src/ui/overlays/Volume3DOverlay.cpp
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@ -45,7 +45,19 @@ void Volume3DOverlay::setProperties(const QVariantMap& properties) {
}
if (dimensions.isValid()) {
setDimensions(vec3FromVariant(dimensions));
glm::vec3 scale = vec3FromVariant(dimensions);
// don't allow a zero or negative dimension component to reach the renderTransform
const float MIN_DIMENSION = 0.0001f;
if (scale.x < MIN_DIMENSION) {
scale.x = MIN_DIMENSION;
}
if (scale.y < MIN_DIMENSION) {
scale.y = MIN_DIMENSION;
}
if (scale.z < MIN_DIMENSION) {
scale.z = MIN_DIMENSION;
}
setDimensions(scale);
}
}