Function sampleNearest

src/fl/gfx/sample.cpp.hpp:42–48

}

CRGB sampleNearest(const CRGB *grid, const XYMap &xyMap, float x, float y) {
    int xi = static_cast<int>(x + 0.5f); // Round to nearest
    int yi = static_cast<int>(y + 0.5f);
    xi = max(0, min(xi, static_cast<int>(xyMap.getWidth()) - 1));
    yi = max(0, min(yi, static_cast<int>(xyMap.getHeight()) - 1));
    return grid[xyMap.mapToIndex(xi, yi)];
}

} // namespace fl