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update blobs

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zach
2026-05-19 03:56:56 +02:00
parent cb1df5078b
commit c060be79e8
1 changed files with 20 additions and 0 deletions
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Plugins/ZShell/Blobs/blobshape.cpp
+20
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@@ -69,6 +69,26 @@ void BlobShape::geometryChange(const QRectF& newGeometry, const QRectF& oldGeome
QQuickItem::geometryChange(newGeometry, oldGeometry);
updateCenteredDeformMatrix();
if (m_group) {
// Update cached values so markShapeDirty uses current geometry
const QPointF scenePos = mapToScene(QPointF(0, 0));
if (isInvertedRect()) {
m_cachedPaddedX = static_cast<float>(scenePos.x());
m_cachedPaddedY = static_cast<float>(scenePos.y());
m_cachedPaddedW = static_cast<float>(width());
m_cachedPaddedH = static_cast<float>(height());
m_localPaddedRect = QRectF(0, 0, width(), height());
} else {
const float hw = static_cast<float>(width()) * 0.5f;
const float hh = static_cast<float>(height()) * 0.5f;
const float totalPad = static_cast<float>(m_group->smoothing()) + deformPadding(m_deformMatrix, hw, hh);
m_cachedPaddedX = static_cast<float>(scenePos.x()) - totalPad;
m_cachedPaddedY = static_cast<float>(scenePos.y()) - totalPad;
m_cachedPaddedW = static_cast<float>(width()) + 2.0f * totalPad;
m_cachedPaddedH = static_cast<float>(height()) + 2.0f * totalPad;
m_localPaddedRect = QRectF(static_cast<double>(-totalPad), static_cast<double>(-totalPad),
width() + 2.0 * static_cast<double>(totalPad), height() + 2.0 * static_cast<double>(totalPad));
}
// Accumulate sub-pixel drift so slow movements don't desync the shader
m_pendingDx += static_cast<float>(newGeometry.x() - oldGeometry.x());
m_pendingDy += static_cast<float>(newGeometry.y() - oldGeometry.y());