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-rw-r--r--src/core/common.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/core/common.h b/src/core/common.h
index ba1d24ef..0a2a236e 100644
--- a/src/core/common.h
+++ b/src/core/common.h
@@ -219,6 +219,8 @@ extern int strncasecmp(const char *str1, const char *str2, size_t len);
#define clamp(v, low, high) ((v)<(low) ? (low) : (v)>(high) ? (high) : (v))
+#define clamp2(v, center, radius) ((v) < (center) ? Max(v, center - radius) : Min(v, center + radius))
+
inline float sq(float x) { return x*x; }
#define SQR(x) ((x) * (x))