MIHS-18 Dylan L Hunter E Ava M
No preview image
Model was written in NetLogo 6.0.2
•
Viewed 87 times
•
Downloaded 11 times
•
Run 0 times
Do you have questions or comments about this model? Ask them here! (You'll first need to log in.)
Info tab cannot be displayed because of an encoding error
Comments and Questions
Please start the discussion about this model!
(You'll first need to log in.)
Click to Run Model
globals [ max-fireflies ] breed [ fireflies firefly ] breed [ bats bat ] turtles-own [ energy ] patches-own [ countdown ] to setup clear-all ifelse netlogo-web? [set max-fireflies 10000] [set max-fireflies 30000] ifelse model-version = "sheep-wolves-grass" [ ask patches [ set pcolor one-of [ black black ] ifelse pcolor = black [ set countdown grass-regrowth-time ] [ set countdown random grass-regrowth-time ] ] ] [ ask patches [ set pcolor green ] ] create-fireflies initial-number-fireflies [ set shape "butterfly" set color white set size 1.5 set label-color blue - 2 set energy random (2 * firefly-gain-from-food) setxy random-xcor random-ycor ] create-bats initial-number-bats [ set shape "bird" set color black set size 2 set energy random (2 * bat-gain-from-food) setxy random-xcor random-ycor ] display-labels reset-ticks end to go if not any? turtles [ stop ] if not any? bats and count fireflies > max-fireflies [ user-message "The fireflies have inherited the earth" stop ] ask fireflies [ move if model-version = "sheep-wolves-grass" [ set energy energy - 1 eat-grass death ] reproduce-sheep ] ask bats [ move set energy energy - 1 eat-sheep death reproduce-bats ] if model-version = "sheep-wolves-grass" [ ask patches [ grow-grass ] ] tick display-labels end to move rt random 50 lt random 50 fd 1 end to eat-grass if pcolor = black [ set pcolor black set energy energy + firefly-gain-from-food ] end to reproduce-sheep if random-float 100 < firefly-reproduce [ set energy (energy / 2) hatch 1 [ rt random-float 360 fd 1 ] ] end to reproduce-bats if random-float 100 < bat-reproduce [ set energy (energy / 2) hatch 1 [ rt random-float 360 fd 1 ] ] end to eat-sheep let prey one-of fireflies-here if prey != nobody [ ask prey [ die ] set energy energy + bat-gain-from-food ] end to death if energy < 0 [ die ] end to grow-grass if pcolor = brown [ ifelse countdown <= 0 [ set pcolor black set countdown grass-regrowth-time ] [ set countdown countdown - 1 ] ] end to-report grass ifelse model-version = "sheep-wolves-grass" [ report patches with [pcolor = black] ] [ report 0 ] end to display-labels ask turtles [ set label "" ] if show-energy? [ ask bats [ set label round energy ] if model-version = "sheep-wolves-grass" [ ask fireflies [ set label round energy ] ] ] end
There is only one version of this model, created over 5 years ago by Dylan Lim.
Attached files
No files
This model does not have any ancestors.
This model does not have any descendants.