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fix: dont fill blob corners when inside other blob

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This commit is contained in:
2 * r + 2 * t 2026-05-08 02:23:41 +10:00
parent a714917300
commit 8107627737
1 changed files with 14 additions and 4 deletions
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18
plugin/src/Caelestia/Blobs/blobshape.cpp
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@ -305,10 +305,20 @@ void BlobShape::updatePolish() {
if (riExcludeMask & (1 << j))
continue;
const auto& rj = m_cachedRects[j];
fTr = std::min(fTr, cpuSmoothstep(0.0f, smoothFactor, cpuSdBox(cTrX, cTrY, rj.cx, rj.cy, rj.hw, rj.hh)));
fBr = std::min(fBr, cpuSmoothstep(0.0f, smoothFactor, cpuSdBox(cBrX, cBrY, rj.cx, rj.cy, rj.hw, rj.hh)));
fBl = std::min(fBl, cpuSmoothstep(0.0f, smoothFactor, cpuSdBox(cBlX, cBlY, rj.cx, rj.cy, rj.hw, rj.hh)));
fTl = std::min(fTl, cpuSmoothstep(0.0f, smoothFactor, cpuSdBox(cTlX, cTlY, rj.cx, rj.cy, rj.hw, rj.hh)));
// Skip when the corner is inside rj: it's buried, not on a visible junction,
// so squaring it would only perturb interior SDF gradients.
const float sdTr = cpuSdBox(cTrX, cTrY, rj.cx, rj.cy, rj.hw, rj.hh);
const float sdBr = cpuSdBox(cBrX, cBrY, rj.cx, rj.cy, rj.hw, rj.hh);
const float sdBl = cpuSdBox(cBlX, cBlY, rj.cx, rj.cy, rj.hw, rj.hh);
const float sdTl = cpuSdBox(cTlX, cTlY, rj.cx, rj.cy, rj.hw, rj.hh);
if (sdTr >= 0.0f)
fTr = std::min(fTr, cpuSmoothstep(0.0f, smoothFactor, sdTr));
if (sdBr >= 0.0f)
fBr = std::min(fBr, cpuSmoothstep(0.0f, smoothFactor, sdBr));
if (sdBl >= 0.0f)
fBl = std::min(fBl, cpuSmoothstep(0.0f, smoothFactor, sdBl));
if (sdTl >= 0.0f)
fTl = std::min(fTl, cpuSmoothstep(0.0f, smoothFactor, sdTl));
}
if (m_cachedHasInverted) {