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A tiny optimization to ImLineClosestPoint. Removed unnecessary sqrtf call.
ab_lenSqr -> ab_len_sqr Moved line where ab_len_sqr is computed after the first return
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@ -950,14 +950,13 @@ ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p)
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{
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ImVec2 ap = p - a;
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ImVec2 ab_dir = b - a;
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float ab_len = sqrtf(ab_dir.x * ab_dir.x + ab_dir.y * ab_dir.y);
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ab_dir *= 1.0f / ab_len;
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float dot = ap.x * ab_dir.x + ap.y * ab_dir.y;
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if (dot < 0.0f)
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return a;
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if (dot > ab_len)
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float ab_len_sqr = ab_dir.x * ab_dir.x + ab_dir.y * ab_dir.y;
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if (dot > ab_len_sqr)
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return b;
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return a + ab_dir * dot;
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return a + ab_dir * dot / ab_len_sqr;
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}
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bool ImTriangleContainsPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p)
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