Unfortunately I have to use npm

.gitignore

@@ -1 +1,2 @@
 .idea
+/node_modules/

package.json

@@ -0,0 +1,11 @@
+{
+  "devDependencies": {
+    "ts-loader": "^9.5.2",
+    "typescript": "^5.8.3",
+    "webpack": "^5.99.9",
+    "webpack-cli": "^6.0.1"
+  },
+  "dependencies": {
+    "openmeteo": "^1.2.0"
+  }
+}

src/launch.ts

@@ -0,0 +1,10 @@
+import Substrate from "./substrate"
+import Weather from "./weather";
+
+const background = new Substrate("substrate-canvas", 20)
+let weather: Weather
+navigator.geolocation.getCurrentPosition(position => {
+    weather = new Weather(position.coords.latitude, position.coords.longitude)
+}, () => {
+    weather = new Weather()
+})

src/sandPainter.ts

@@ -0,0 +1,11 @@
+import State from "./state"
+
+export default class SandPainter {
+    private color: number
+    private gain: number
+
+    constructor(state: State) {
+        this.color = state.getRandomColor()
+        this.gain = Math.random() / 10
+    }
+}

src/state.ts

@@ -0,0 +1,29 @@
+export default class State {
+    colors: number[]
+    maxCracks: number
+    crackGrid: number[]
+    height: number
+    width: number
+
+    constructor(colors: number[], maxCracks: number, height: number, width: number) {
+        this.colors = colors
+        this.maxCracks = maxCracks
+        this.height = height
+        this.width = width
+        this.crackGrid = []
+
+        for (let x = 0; x < width; x++) {
+            for (let y = 0; y < height; y++) {
+                this.crackGrid[y * width + x] = 10000
+            }
+        }
+
+        for (let i = 0; i < 16; i++) {
+            this.crackGrid[Math.floor(Math.random() * (height * width))] = Math.ceil(Math.random() * 360)
+        }
+    }
+
+    getRandomColor(): number {
+        return this.colors[Math.floor(Math.random() * this.colors.length)]
+    }
+}

src/styles.less

@@ -0,0 +1,14 @@
+html,
+body {
+  height: 100%;
+  margin: 0;
+  overflow: hidden;
+  padding: 0;
+}
+
+body {
+  canvas {
+    height: 100%;
+    width: 100%;
+  }
+}

src/substrate.ts

@@ -1,36 +1,21 @@
 // TS attempt of http://www.complexification.net/gallery/machines/substrate/index.php by laniaung.me 2025-06-02
+import State from "./state"
+import SandPainter from "./sandPainter"
+
 export default class Substrate {
-    private colors = [ 0x3a1e3e, 0x7c2d3b, 0xb94f3c, 0xf4a462, 0xf9c54e ] // https://colormagic.app/palette/671eeb6c42273fc4c1bb1ac7
-    private maxCracks = 20
+    private state: State
 
-    constructor(maxCracks: number) {
-        this.maxCracks = maxCracks
-    }
-}
+    constructor(id: string, maxCracks: number, colors?: number[]) {
+        if (!colors?.length) colors = [ 0x3a1e3e, 0x7c2d3b, 0xb94f3c, 0xf4a462, 0xf9c54e ] // https://colormagic.app/palette/671eeb6c42273fc4c1bb1ac7
 
-class State {
-    crackGrid: number[]
-    height: number
-    width: number
-
-    constructor(height: number, width: number) {
-        this.height = height
-        this.width = width
-        this.crackGrid = []
-
-        for (let x = 0; x < width; x++) {
-            for (let y = 0; y < height; y++) {
-                this.crackGrid[y * width + x] = 10000
-            }
+        let canvas = document.getElementById(id)
+        if (!canvas) {
+            canvas = document.createElement("canvas")
+            document.body.appendChild(canvas)
         }
 
-        for (let i = 0; i < 16; i++) {
-            this.crackGrid[Math.floor(Math.random() * (height * width))] = Math.ceil(Math.random() * 360)
+        this.state = new State(colors, maxCracks, canvas.clientHeight, canvas.clientWidth)
     }
-    }
-}
-
-class SandPainter {
 }
 
 class Crack {
@@ -41,7 +26,7 @@ class Crack {
     private state: State
 
     constructor(state: State) {
-        this.painter = new SandPainter()
+        this.painter = new SandPainter(state)
         this.state = state
         this.init()
     }
@@ -73,6 +58,15 @@ class Crack {
     }
 
     continue() {
-
+        this.x += .42 * Math.cos(this.angle * Math.PI / 180)
+        this.y += .42 * Math.sin(this.angle * Math.PI / 180)
     }
 }
+
+declare global {
+    interface Window {
+        main: Substrate
+    }
+}
+
+window.main = new Substrate("substrate-canvas", 20)

src/weather.ts

@@ -0,0 +1,114 @@
+import { fetchWeatherApi } from 'openmeteo'
+
+export default class Weather {
+    private readonly options: WeatherOptions
+
+    constructor(latitude?: number, longitude?: number) {
+        latitude ??= 47.61002138071677
+        longitude ??= -122.17906310779568
+
+        this.options = new WeatherOptions()
+        this.options = { ...this.options, latitude, longitude }
+
+        this.getWeather(this.options)
+    }
+
+    async getWeather(options: WeatherOptions) {
+        const url = "https://api.open-meteo.com/v1/forecast"
+        const responses = await fetchWeatherApi(url, this.options)
+
+        for (const response of responses) {
+            // Attributes for timezone and location
+            const utcOffsetSeconds = response.utcOffsetSeconds()
+            const timezone = response.timezone()
+            const timezoneAbbreviation = response.timezoneAbbreviation()
+            const latitude = response.latitude()
+            const longitude = response.longitude()
+
+            const current = response.current()!
+            const hourly = response.hourly()!
+            const daily = response.daily()!
+
+            const sunrise = daily.variables(2)!
+            const sunset = daily.variables(3)!
+
+            // Note: The order of weather variables in the URL query and the indices below need to match!
+            const weatherData = {
+                current: {
+                    time: new Date((Number(current.time()) + utcOffsetSeconds) * 1000),
+                    temperature2m: current.variables(0)!.value(),
+                    relativeHumidity2m: current.variables(1)!.value(),
+                    apparentTemperature: current.variables(2)!.value(),
+                    precipitation: current.variables(3)!.value(),
+                    windSpeed10m: current.variables(4)!.value(),
+                    windGusts10m: current.variables(5)!.value(),
+                    windDirection10m: current.variables(6)!.value(),
+                },
+                hourly: {
+                    time: [...Array((Number(hourly.timeEnd()) - Number(hourly.time())) / hourly.interval())].map(
+                        (_, i) => new Date((Number(hourly.time()) + i * hourly.interval() + utcOffsetSeconds) * 1000)
+                    ),
+                    temperature2m: hourly.variables(0)!.valuesArray()!,
+                    precipitation: hourly.variables(1)!.valuesArray()!,
+                    precipitationProbability: hourly.variables(2)!.valuesArray()!,
+                },
+                daily: {
+                    time: [...Array((Number(daily.timeEnd()) - Number(daily.time())) / daily.interval())].map(
+                        (_, i) => new Date((Number(daily.time()) + i * daily.interval() + utcOffsetSeconds) * 1000)
+                    ),
+                    temperature2mMax: daily.variables(0)!.valuesArray()!,
+                    temperature2mMin: daily.variables(1)!.valuesArray()!,
+                    sunrise: [...Array(sunrise.valuesInt64Length())].map(
+                        (_, i) => new Date((Number(sunrise.valuesInt64(i)) + utcOffsetSeconds) * 1000)
+                    ),
+                    sunset: [...Array(sunset.valuesInt64Length())].map(
+                        (_, i) => new Date((Number(sunset.valuesInt64(i)) + utcOffsetSeconds) * 1000)
+                    ),
+                    uvIndexMax: daily.variables(4)!.valuesArray()!,
+                    precipitationSum: daily.variables(5)!.valuesArray()!,
+                    precipitationHours: daily.variables(6)!.valuesArray()!,
+                    windSpeed10mMax: daily.variables(7)!.valuesArray()!,
+                    windGusts10mMax: daily.variables(8)!.valuesArray()!,
+                    windDirection10mDominant: daily.variables(9)!.valuesArray()!,
+                },
+            }
+
+            // `weatherData` now contains a simple structure with arrays for datetime and weather data
+            for (let i = 0; i < weatherData.hourly.time.length; i++) {
+                console.log(
+                    weatherData.hourly.time[i].toISOString(),
+                    weatherData.hourly.temperature2m[i],
+                    weatherData.hourly.precipitation[i],
+                    weatherData.hourly.precipitationProbability[i]
+                )
+            }
+            for (let i = 0; i < weatherData.daily.time.length; i++) {
+                console.log(
+                    weatherData.daily.time[i].toISOString(),
+                    weatherData.daily.temperature2mMax[i],
+                    weatherData.daily.temperature2mMin[i],
+                    weatherData.daily.sunrise[i].toISOString(),
+                    weatherData.daily.sunset[i].toISOString(),
+                    weatherData.daily.uvIndexMax[i],
+                    weatherData.daily.precipitationSum[i],
+                    weatherData.daily.precipitationHours[i],
+                    weatherData.daily.windSpeed10mMax[i],
+                    weatherData.daily.windGusts10mMax[i],
+                    weatherData.daily.windDirection10mDominant[i]
+                )
+            }
+        }
+    }
+}
+
+class WeatherOptions {
+    latitude: number
+    longitude: number
+    daily: string[] = ["temperature_2m_max", "temperature_2m_min", "sunrise", "sunset", "uv_index_max", "precipitation_sum", "precipitation_hours", "wind_speed_10m_max", "wind_gusts_10m_max", "wind_direction_10m_dominant"]
+    hourly: string[] = ["temperature_2m", "precipitation", "precipitation_probability"]
+    current: string[] = ["temperature_2m", "relative_humidity_2m", "apparent_temperature", "precipitation", "wind_speed_10m", "wind_gusts_10m", "wind_direction_10m"]
+    timezone: string = "America/Los_Angeles"
+    "wind_speed_unit": string = "mph"
+    "temperature_unit": string = "fahrenheit"
+    "precipitation_unit": string = "inch"
+}

tsconfig.json

@@ -1,10 +1,8 @@
 {
   "compilerOptions": {
-    "target": "es2016",
-    "module": "commonjs",
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "strict": true,
-    "skipLibCheck": true
+    "outDir": "./www/",
+    "noImplicitAny": true,
+    "module": "es6",
+    "moduleResolution": "node"
   }
 }

webpack.config.js

@@ -0,0 +1,21 @@
+const path = require("path");
+
+module.exports = {
+    entry: "./src/launch.ts",
+    module: {
+        rules: [
+            {
+                test: /\.tsx?$/,
+                use: "ts-loader",
+                exclude: /node_modules/,
+            },
+        ],
+    },
+    resolve: {
+        extensions: [".tsx", ".ts", ".js"],
+    },
+    output: {
+        filename: "main.js",
+        path: path.resolve(__dirname, "www"),
+    },
+};

www/index.html

@@ -3,8 +3,11 @@
 <head>
     <meta charset="UTF-8">
     <title>Weather</title>
+    <link rel="stylesheet" href="styles.css" />
 </head>
 <body>
-
+    <canvas id="substrate-canvas"></canvas>
+    <div id="weather-panel"></div>
+    <script src="main.js"></script>
 </body>
 </html>

www/styles.css

@@ -0,0 +1,11 @@
+html,
+body {
+  height: 100%;
+  margin: 0;
+  overflow: hidden;
+  padding: 0;
+}
+body canvas {
+  height: 100%;
+  width: 100%;
+}