Add Lua Helpers

DATA/SCRIPTS/HELPERS/math.lua

@@ -0,0 +1,47 @@
+Math = {}
+Math["round"] = function (num, numDecimalPlaces)
+    local mult = 10^(numDecimalPlaces or 0)
+    return floor(num * mult + 0.5) / mult
+end
+
+function sphereCollision(a, b)
+    local ax = a.center[1]
+    local ay = a.center[2]
+    local az = a.center[3]
+
+    local bx = b.center[1]
+    local by = b.center[2]
+    local bz = b.center[2]
+
+    local threshold = (a.radius + b.radius) * (a.radius + b.radius)
+
+    local dx = bx - ax
+    local dy = by - ay
+    local dz = bz - az
+  
+    local distSq = dx * dx + dy * dy + dz * dz
+
+    return distSq < threshold
+end
+
+-- Default functions
+Math["abs"] = abs
+Math["asin"] = asin
+Math["atan"] = atan
+Math["atan2"] = atan2
+Math["ceil"] = ceil
+Math["cos"] = cos
+Math["sin"] = sin
+Math["tan"] = tan
+Math["deg"] = deg
+Math["floor"] = floor
+Math["log"] = log
+Math["log10"] = log10
+Math["max"] = max
+Math["min"] = min
+Math["mod"] = mod
+Math["sqrt"] = sqrt
+Math["frexp"] = frexp
+Math["ldexp"] = ldexp
+Math["random"] = random
+Math["randomseed"] = randomseed