modules.game_interface.gameMapPanel:setShader(nil)

modules.game_interface.gameMapPanel:setShader("map_fog")
modules.game_interface.gameMapPanel:setShader("rain")
modules.game_interface.gameMapPanel:setShader("map_heat")
modules.game_interface.gameMapPanel:setShader("red_alarm")
modules.game_interface.gameMapPanel:setShader("map_dark")