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Account for PloyLine stroke width when calculating the dimensions

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of the PolyLilne's bounding box.
This commit is contained in:
rick@ghostpunch.com 2017-08-09 04:23:39 -04:00
parent c94d9b3810
commit a730da5299
1 changed files with 15 additions and 3 deletions
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18
libraries/entities/src/PolyLineEntityItem.cpp
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@ -182,15 +182,27 @@ void PolyLineEntityItem::calculateScaleAndRegistrationPoint() {
EntityItem::setRegistrationPoint(glm::vec3(0.0f, 0.0f, 0.0f));
return;
}
// Find the max width of the strokes so we can account for that in the size of the bounding box
float maxWidth = 0.0f;
for (int i = 0; i < _strokeWidths.size(); ++i) {
if (_strokeWidths.at(i) > maxWidth) {
maxWidth = _strokeWidths.at(i);
qCDebug(entities) << "TTTTT " << maxWidth;
}
}
glm::vec3 result;
result.x = fabsf(high.x) + fabsf(low.x);
result.y = fabsf(high.y) + fabsf(low.y);
result.z = fabsf(high.z) + fabsf(low.z);
float halfLineWidth = (maxWidth > 0.0f) ? maxWidth * 0.5f : 0.0f;
result.x = fabsf(high.x) + fabsf(low.x) + halfLineWidth;
result.y = fabsf(high.y) + fabsf(low.y) + halfLineWidth;
result.z = fabsf(high.z) + fabsf(low.z) + halfLineWidth;
SpatiallyNestable::setScale(result);
// Center the poly line in the bounding box
glm::vec3 point = _points.at(0);
glm::vec3 startPointInScaleSpace = point - low;
startPointInScaleSpace += glm::vec3(halfLineWidth * 0.5f);
glm::vec3 newRegistrationPoint = startPointInScaleSpace / result;
EntityItem::setRegistrationPoint(newRegistrationPoint);
} else {