Recipe: Hill Climb

created by RichGuilmain

Profile

• Name: Hill Climb
• ID: 108079
• Shared with: Public
• Parent: None
• Children:
  • Hill Climb 1.1
  • Hill Climb 2.0 (1st experiment)
• Created on: October 20, 2022 at 07:27 AM UTC
• Updated on: December 26, 2022 at 23:39 PM UTC
• Description:

  Mutates, shakes, and wiggles in a loop until a local optimum is found.

Code

function Round(n, num_decimals)
    local mult = 10^(num_decimals or 0)
    return math.floor(n * mult + 0.5) / mult
end

function WiggleUntilComplete(max_wiggles)
    for i=1, max_wiggles do
        local starting_score = current.GetScore()
        structure.WiggleAll(1)
        if (current.GetScore() - starting_score < 0.001) then
            break
        end
    end
end

function DesignUntilComplete()
    local starting_score = current.GetScore()
    structure.MutateSidechainsAll(1)
    structure.ShakeSidechainsAll(1)
    WiggleUntilComplete(8)
    local ending_score = current.GetScore()
    local score_delta = ending_score - starting_score
    print(os.date("%X"), "Improved score by", Round(score_delta, 3), "to", Round(ending_score, 3))
    if (score_delta > 0.001) then
        DesignUntilComplete()
    end
end

function Main()
    starting_wiggle_power = behavior.GetWigglePower()
    behavior.SetWigglePower("m")
    local starting_score = current.GetScore()
    print(os.date("%X"), "Starting hill climb at", Round(starting_score, 3))
    DesignUntilComplete()
    behavior.SetWigglePower(starting_wiggle_power)
    local ending_score = current.GetScore()
    print(os.date("%X"), "Total score increase of", Round(ending_score - starting_score, 3))
    print(os.date("%X"), "Finished hill climb at", Round(ending_score, 3))
end

Main()