diff options
-rw-r--r-- | voronoisplat.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/voronoisplat.cpp b/voronoisplat.cpp index da81817..ad553ba 100644 --- a/voronoisplat.cpp +++ b/voronoisplat.cpp @@ -524,13 +524,14 @@ void VoronoiSplatRenderer::computeDT() const std::vector<float> &sites = *m_sites; std::vector<float> buf(w*h); for (unsigned i = 0; i < sites.size(); i += 2) { - unsigned bufIndex = unsigned(m_sy(sites[i + 1]))*h + unsigned(m_sx(sites[i])); - if (bufIndex > buf.size()) { - // points outside our scale + int x = int(m_sx(sites[i])); + int y = int(m_sy(sites[i + 1])); + if (x < 0 || x >= w || y < 0 || y >= h) { + // point out of bounds continue; } - buf[bufIndex] = i/2.0f + 1.0f; + buf[x + y*w] = i/2.0f + 1.0f; } skelft2DFT(0, buf.data(), 0, 0, w, h, w); |