agentscript
Version:
AgentScript Model in Model/View architecture
134 lines (117 loc) • 4.58 kB
HTML
<html>
<head>
<title>Kelp Forest => Urchin Barren</title>
</head>
<body>
<script type="module">
import Animator from '/src/Animator.js'
import TwoDraw from '/src/TwoDraw.js'
import Model from '/models/KelpForestModel.js'
const model = new Model()
model.setup()
const view = new TwoDraw(model, {
div: 'modelDiv',
patchSize: 20,
drawOptions: {
turtlesSize: t => {
if (t.breed.name === 'urchin') return 1
if (t.breed.name === 'kelp') return 2
return 1.5 // seaStar
},
turtlesColor: t => {
if (t.breed.name === 'urchin') return 'purple'
if (t.breed.name === 'kelp') return 'green'
return 'orange' // seaStar
},
turtlesShape: t => {
if (t.breed.name === 'urchin') return 'circle'
if (t.breed.name === 'kelp') return 'dart'
return 'pentagon' // seaStar
},
},
})
const anim = new Animator(
() => {
model.step()
view.draw()
updateSteps()
},
5 * 365, // how many steps, here 5 years,
30 // at fps steps/second
)
Object.assign(window, { model, view, anim }) // debugging
// The above is views2/kelpforest.html w/ updateSteps() added
// the following allows running it in a nicely arranged web page
function updateSteps() {
// const year = 1 + Math.floor(anim.ticks / 365) // start from 1
const year = model.year(anim.ticks) // starts from 1
document.getElementById('stepCount').innerHTML = `Year: ${year}`
}
document
.getElementById('startButton')
.addEventListener('click', () => {
model.numKelp = parseInt(
document.getElementById('kelp').value
)
model.numSeastar = parseInt(
document.getElementById('seaStar').value
)
model.numUrchin = parseInt(
document.getElementById('urchin').value
)
anim.restart(model, view) // calls model.setup()
if (!anim.isRunning()) anim.start()
})
document
.getElementById('pauseButton')
.addEventListener('click', () => {
anim.isRunning() ? anim.stop() : anim.start()
})
</script>
<h1 style="margin-top: 20px; text-align: center">
In a Kelp stand off the Mendocino Coast....
</h1>
<div
id="bodyContainer"
style="display: flex; justify-content: center; align-items: center"
>
<div
id="inputContainer"
style="margin: 20px; display: flex; flex-direction: column"
>
<p id="stepCount">Year:</p>
<label for="kelp">Kelp:</label>
<input
type="number"
id="kelp"
value="500"
min="0"
style="margin: 2px; padding: 2px"
/>
<label for="urchin">Urchin:</label>
<input
type="number"
id="urchin"
value="50"
min="0"
style="margin: 2px; padding: 2px"
/>
<label for="seaStar">Seastars:</label>
<input
type="number"
id="seaStar"
value="5"
min="0"
style="margin: 2px; padding: 2px"
/>
<button id="startButton" style="margin: 5px">
Start Simulation
</button>
<button id="pauseButton" style="margin: 5px">
Pause/Play Simulation
</button>
</div>
<div id="modelDiv"></div>
</div>
</body>
</html>