GetCreeper(<-cellX <-cellZ) ->creeperAmt
Gets the creeper amount at the specified integer map coordinates. A value of 0 means no creeper. A negative value indicates anticreeper. The amount returned is a floating point number where 1 represents creeper that has a height of 1 terrain unit.
Note: Invalid coordinataes will return 0 (zero).
GetCreeper(42 23) ->creeper
⇐ Index