can u help me to return the value of phéromone to 0 .with this instruction the quantity of phéromone never change to 0 to LayPheromone if (pheromone < maxPheroPerSite-Forage) [set pheromone (pheromone + amtPheroLay-Forage)] end to UpdatePatches ;ask patch nestX nestY [ set pcolor pink ] ask patches [ if (pheromone < 0) [set pheromone 0] if (pheromone > 0) [ set pheromone (pheromone - pheromone * evaporation-rate) ifelse showPhero? [ set pcolor scale-color yellow pheromone 0 (maxPheroPerSite-Forage)] ;;;;;;;Scale color of pheromone ants laid between 0 and maxPheroPerSite-Return, ;;;;;;;when ants return to nest, they don't lay pheromone in a visited site ;;;;;;;if pheromone > = maxPheroPerSite-Return [ set pcolor black ] ] ] end
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