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res/modules/internal/math.lua

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+function math.Rand( low, high )
+    return low + (high - low) * math.random()
+end
+
+function math.Clamp( _in, low, high )
+    return math.min(math.max( _in, low ), high)
+end
+
+function math.Lerp(frac, from, to)
+    return from + (to - from) * frac
+end