Object.visionLength
Type: Number
Default value: 500
Overview

The distance at which the ai object can see. For example, in the fog vision worse than on a clear day.
Examples

Сhange distance at which the ai object can see
local newAI = require('classes.SimpleAI').newAI
-- enemy instance
local enemy = newAI({group = mainGroup, img = "snailWalk1.png", x = halfW-50, y = display.contentHeight-500, ai_type = "patrol"}) 
enemy.visionLength = 100 -- change distance at which the ai object can see