View difference between Paste ID: BJ2NY9Pc and CH9tbHAs

-function tocell(vec)
+local center = cellsize / 2
-	return Vector3.new(math.ciel(vec.x/cellsize),math.ciel(vec.y/cellsize),math.ciel(vec.z/cellsize))
+
 function align(x)
 	return math.floor(x + 0.5) + center
-function toworld(vec)
+
-	return (vec-Vector3.new(.5,.5,.5))*cellsize
+
 function getCellsWithinRadius(Point, Radius)
 	local Point = Point * cellsize
-function cellsinrange(pos,radius)
+	local HalfRadius = (Radius * cellsize) / 2
-	local diameter=math.ciel((radius*2)/cellsize)
+	local near = {}
-	local hdiameter=diameter*.5
+
-	local cells={}
+	for x = Point.X - HalfRadius, Point.X + HalfRadius do
-	for xcell=1,diameter do
+		local fx = align(x)
-		for ycell=1,diameter do
+		for y = Point.Y - HalfRadius, Point.Y + HalfRadius do
-			for zcell=1,diameter do
+			local fy = align(y)
-				local cellpos=tocell(pos+toworld(Vector3.new(xcell-diameter,ycell-diameter,zcell-diameter)))
+			for z = Point.Z - HalfRadius, Point.Z + HalfRadius do
-				if (toworld(cellpos)-pos).magnitude<=radius then
+
-					table.insert(cells,Vector3.new(cellpos.x,cellpos.y,cellpos.z))
+				local v3p = Vector3.new(fx, fy, align(z))
 				if ((Point - v3p).magnitude < Radius) then
 					table.insert(near, v3p)
 				end
 			end
-	return cells
+
 	end
 
 	return near
 end