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Diffstat (limited to 'src/mbgl/util/interpolate.cpp')
-rw-r--r-- | src/mbgl/util/interpolate.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mbgl/util/interpolate.cpp b/src/mbgl/util/interpolate.cpp index 306a5c6630..066fa9c462 100644 --- a/src/mbgl/util/interpolate.cpp +++ b/src/mbgl/util/interpolate.cpp @@ -8,7 +8,9 @@ namespace util { float interpolationFactor(float base, Range<float> range, float z) { const float zoomDiff = range.max - range.min; const float zoomProgress = z - range.min; - if (base == 1.0f) { + if (zoomDiff == 0) { + return 0; + } else if (base == 1.0f) { return zoomProgress / zoomDiff; } else { return (std::pow(base, zoomProgress) - 1) / (std::pow(base, zoomDiff) - 1); |