Added logic sim app

src/components/apps/logic-sim/CircuitView.module.css

@@ -0,0 +1,4 @@
+.Canvas {
+	width: 100%;
+	height: 100%;
+}

src/components/apps/logic-sim/CircuitView.tsx

@@ -0,0 +1,21 @@
+import { useEffect, useRef, useState } from "react";
+import { Circuit } from "../../../features/apps/logic-sim/circuit";
+import styles from "./CircuitView.module.css";
+
+export function CircuitView() {
+	const [circuit, setCircuit] = useState(new Circuit("Chip", "#000", 2, 1));
+	const canvasRef = useRef(null);
+
+	useEffect(() => {
+		if (canvasRef.current == null && circuit.canvas != null)
+			return;
+
+		circuit.init(canvasRef.current as HTMLCanvasElement);
+
+		return () => {
+			circuit.cleanup();
+		};
+	}, [canvasRef, circuit]);
+
+	return <canvas ref={canvasRef} className={styles.Canvas}/>;
+}

src/components/apps/logic-sim/LogicSim.module.css

@@ -0,0 +1,4 @@
+.Container {
+	width: 100%;
+	height: 100%;
+}

src/components/apps/logic-sim/LogicSim.tsx

@@ -0,0 +1,8 @@
+import { CircuitView } from "./CircuitView";
+import styles from "./LogicSim.module.css";
+
+export function LogicSim() {
+	return <div className={styles.Container}>
+		<CircuitView/>
+	</div>;
+}

src/components/apps/text-editor/overrides/MarkdownImage.tsx

@@ -16,7 +16,7 @@ import WindowsManager from "../../../../features/windows/windowsManager";
 export function MarkdownImage({ currentFile, alt, src, modalsManager, windowsManager, app, ...props }) {
 	const source = useMemo(() => {
 		if (src.startsWith("public")) {
-			return src.replace(/^public\//g, `${process.env.PUBLIC_URL}/`);
+			return src.replace(/^public\//g, `${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/`);
 		}
 
 		return src;

src/components/taskbar/Taskbar.tsx

@@ -145,7 +145,7 @@ export const Taskbar = memo(() => {
 							className={`${styles["Menu-button"]} ${styles["Home-button"]}`}
 							onClick={() => { updateShowHome(!showHome); }}
 						>
-							<ReactSVG src={process.env.PUBLIC_URL + "/assets/logo.svg"}/>
+							<ReactSVG src={(process.env as NodeJS.ProcessEnv).PUBLIC_URL + "/assets/logo.svg"}/>
 						</button>
 						<HomeMenu active={showHome} setActive={updateShowHome} search={search}/>
 					</OutsideClickListener>

src/components/taskbar/app-icon/AppIcon.tsx

@@ -77,7 +77,7 @@ export const AppButton: FC<AppButtonProps> = memo(({ app, windowsManager, pins,
 			}}
 			title={app.name}
 		>
-			<ReactSVG src={`${process.env.PUBLIC_URL}/assets/apps/icons/${app.id}.svg`}/>
+			<ReactSVG src={`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/apps/icons/${app.id}.svg`}/>
 		</button>
 	);
 });

src/components/windows/WindowsView.tsx

@@ -25,7 +25,7 @@ export const WindowsView: FC = memo(() => {
 	useEffect(() => {
 		const resetViewportTitleAndIcon = () => {
 			setViewportTitle(`${NAME} | ${TAG_LINE}`);
-			setViewportIcon(`${process.env.PUBLIC_URL}/favicon.ico`);
+			setViewportIcon(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/favicon.ico`);
 		};
 
 		if (sortedWindows.length === 0 || sortedWindows[sortedWindows.length - 1].minimized)

src/config/apps.config.ts

@@ -19,10 +19,10 @@ export const APP_NAMES = {
 };
 
 export const APP_ICONS = {
-	TERMINAL: `${process.env.PUBLIC_URL}/assets/apps/icons/${APPS.TERMINAL}.svg`,
-	SETTINGS: `${process.env.PUBLIC_URL}/assets/apps/icons/${APPS.SETTINGS}.svg`,
-	MEDIA_VIEWER: `${process.env.PUBLIC_URL}/assets/apps/icons/${APPS.MEDIA_VIEWER}.svg`,
-	TEXT_EDITOR: `${process.env.PUBLIC_URL}/assets/apps/icons/${APPS.TEXT_EDITOR}.svg`,
-	FILE_EXPLORER: `${process.env.PUBLIC_URL}/assets/apps/icons/${APPS.FILE_EXPLORER}.svg`,
-	CALCULATOR: `${process.env.PUBLIC_URL}/assets/apps/icons/${APPS.CALCULATOR}.svg`,
+	TERMINAL: `${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/apps/icons/${APPS.TERMINAL}.svg`,
+	SETTINGS: `${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/apps/icons/${APPS.SETTINGS}.svg`,
+	MEDIA_VIEWER: `${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/apps/icons/${APPS.MEDIA_VIEWER}.svg`,
+	TEXT_EDITOR: `${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/apps/icons/${APPS.TEXT_EDITOR}.svg`,
+	FILE_EXPLORER: `${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/apps/icons/${APPS.FILE_EXPLORER}.svg`,
+	CALCULATOR: `${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/apps/icons/${APPS.CALCULATOR}.svg`,
 };

src/config/apps/logicSim.config.ts

@@ -0,0 +1,47 @@
+export const CURSORS = {
+	default: "default",
+	pointer: "pointer"
+};
+
+export const BACKGROUND = {
+	padding: 40,
+	borderWidth: 8,
+};
+
+export const INPUT_OUTPUT = {
+	radius: 24,
+	borderWidth: 4,
+	pinOffset: 40,
+	connectorWidth: 10,
+};
+
+export const WIRE = {
+	width: 4,
+};
+
+export const PIN = {
+	radius: 10,
+};
+
+export const COLORS = {
+	pin: {
+		fill: "dark-grey-b",
+		fillHover: "dark-grey-a"
+	},
+	inputOutput: {
+		connector: "dark-grey-ca",
+		on: "red-b",
+		onHover: "red-a",
+		off: "dark-grey-d",
+		offHover: "dark-grey-ca",
+		stroke: "dark-grey-b"
+	},
+	background: {
+		outer: "dark-grey-e",
+		inner: "dark-grey-f",
+		border: "dark-grey-d",
+	},
+	wire: {
+		placing: "dark-grey-ca",
+	},
+};

src/features/apps/appsManager.ts

@@ -10,6 +10,7 @@ import Vector2 from "../math/vector2";
 import { APPS, APP_NAMES } from "../../config/apps.config";
 import { Browser } from "../../components/apps/browser/Browser";
 import { IMAGE_FORMATS } from "../../config/apps/mediaViewer.config";
+import { LogicSim } from "../../components/apps/logic-sim/LogicSim";
 
 export default class AppsManager {
 	static APPS: App[] = [
@@ -35,6 +36,7 @@ export default class AppsManager {
 		new App(APP_NAMES.BROWSER, APPS.BROWSER, Browser, {
 			size: new Vector2(700, 500)
 		}),
+		new App("Logic Sim", "logic-sim", LogicSim),
 	];
 
 	static getAppById(id: string): App | null {
@@ -73,9 +75,9 @@ export default class AppsManager {
 	 */
 	static getAppIconUrl(appId: string, iconName?: string): string {
 		if (iconName == null) {
-			return `${process.env.PUBLIC_URL}/assets/apps/icons/${appId}.svg`;
+			return `${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/apps/icons/${appId}.svg`;
 		} else {
-			return `${process.env.PUBLIC_URL}/assets/apps/${appId}/icons/${iconName}.svg`;
+			return `${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/apps/${appId}/icons/${iconName}.svg`;
 		}
 	}
 }

src/features/apps/logic-sim/chip.ts

@@ -0,0 +1,65 @@
+import Vector2 from "../../math/vector2";
+import { Circuit } from "./circuit";
+import { Pin } from "./pin";
+import { State } from "./state";
+
+export class Chip {
+	color: string;
+	name: string;
+	position: Vector2;
+	circuit: Circuit;
+
+	inputCount: number;
+	outputCount: number;
+	inputPins: Pin[];
+	outputPins: Pin[];
+	logic: (inputStates: State[]) => State[];
+
+	constructor(circuit: Circuit | null, name: string, color: string, inputCount: number, outputCount: number) {
+		Object.assign(this, { circuit, name, color, inputCount, outputCount });
+
+		if (this.circuit == null)
+			this.circuit = this as unknown as Circuit;
+
+		this.inputPins = [];
+		for (let i = 0; i < inputCount; i++) {
+			this.inputPins.push(new Pin(this.circuit, "IN " + i, true, this, i));
+		}
+
+		this.outputPins = [];
+		for (let i = 0; i < outputCount; i++) {
+			this.outputPins.push(new Pin(this.circuit, "OUT " + i, false, this, i));
+		}
+	}
+
+	setInputState(index: number, state: State) {
+		if (this.inputPins[index].state.isEqual(state))
+			return;
+
+		this.inputPins[index].state = state;
+		this.update();
+	}
+
+	update() {
+		const inputStates: State[] = [];
+		for (let i = 0; i < this.inputCount; i++) {
+			const state = this.inputPins[i].state ?? State.LOW;
+			inputStates.push(state);
+		}
+
+		const outputStates: State[] = this.logic(inputStates);
+
+		for (let i = 0; i < this.outputCount; i++) {
+			this.outputPins[i].state = outputStates[i];
+		}
+	}
+
+	drawPins() {
+		this.inputPins.forEach((pin) => pin.draw());
+		this.outputPins.forEach((pin) => pin.draw());
+	}
+
+	draw() {
+		this.drawPins();
+	}
+}

src/features/apps/logic-sim/circuit.ts

@@ -0,0 +1,370 @@
+import { BACKGROUND, COLORS, CURSORS, INPUT_OUTPUT, PIN, WIRE } from "../../../config/apps/logicSim.config";
+import Vector2 from "../../math/vector2";
+import { Chip } from "./chip";
+import { Pin } from "./pin";
+import { State } from "./state";
+import { Wire } from "./wire";
+
+export class Circuit extends Chip {
+	canvas: HTMLCanvasElement;
+	size = Vector2.ZERO;
+	context: CanvasRenderingContext2D;
+	colors: { [key: string]: string } = {};
+	mousePosition = Vector2.ZERO;
+
+	isPlacing = false;
+	snapping = false;
+	placingWire: Wire;
+	wires: Wire[] = [];
+
+	cursor = CURSORS.default;
+
+	constructor(name: string, color: string, inputCount: number, outputCount: number) {
+		super(null, name, color, inputCount, outputCount);
+	}
+
+	resize() {
+		this.size.x = this.canvas.clientWidth;
+		this.size.y = this.canvas.clientHeight;
+
+		// Set pin positions to the side of the screen
+		this.inputPins.forEach((pin, index) => {
+			const positionX = BACKGROUND.padding + BACKGROUND.borderWidth / 2 + INPUT_OUTPUT.pinOffset;
+			const positionY = BACKGROUND.padding * 2 + (INPUT_OUTPUT.radius * 2 + 15) * index;
+			pin.position = new Vector2(positionX, positionY);
+		});
+		this.outputPins.forEach((pin, index) => {
+			const positionX = this.size.x - (BACKGROUND.padding + BACKGROUND.borderWidth / 2 + INPUT_OUTPUT.pinOffset);
+			const positionY = BACKGROUND.padding * 2 + (INPUT_OUTPUT.radius * 2 + 15) * index;
+			pin.position = new Vector2(positionX, positionY);
+		});
+	}
+
+	setMousePosition(event: MouseEvent) {
+		const rect = this.canvas.getBoundingClientRect();
+		this.mousePosition.x = event.clientX - rect.left;
+		this.mousePosition.y = event.clientY - rect.top;
+	}
+
+	init(canvas: HTMLCanvasElement) {
+		this.canvas = canvas;
+		this.context = this.canvas.getContext("2d");
+		this.resize();
+		this.mousePosition = Vector2.ZERO;
+
+		// Detect size changes of canvas
+		const observer = new ResizeObserver((entries) => {
+			entries.forEach(({ target }) => {
+				if (target === this.canvas && (target.clientWidth != this.size.x || target.clientHeight != this.size.y)) {
+					this.resize();
+				}
+			});
+		});
+
+		observer.observe(this.canvas);
+
+		this.canvas.addEventListener("mousemove", this.onMouseMove);
+		this.canvas.addEventListener("click", this.onClick);
+		this.canvas.addEventListener("contextmenu", this.onClick);
+
+		window.addEventListener("keydown", this.onKeyDown);
+		window.addEventListener("keyup", this.onKeyUp);
+
+		this.render();
+	}
+
+	cleanup() {
+		this.canvas.removeEventListener("mousemove", this.onMouseMove);
+		this.canvas.removeEventListener("click", this.onClick);
+		this.canvas.removeEventListener("contextmenu", this.onClick);
+
+		window.removeEventListener("keydown", this.onKeyDown);
+		window.removeEventListener("keyup", this.onKeyUp);
+	}
+
+	onMouseMove = (event?: MouseEvent) => {
+		if (event != null)
+			this.setMousePosition(event);
+
+		if (this.placingWire != null) {
+			const anchorCount = this.placingWire.anchorPoints.length;
+			const lastAnchorPoint = this.placingWire.anchorPoints[anchorCount - 1];
+
+			if (this.snapping) {
+				const previousAnchorPoint = anchorCount >= 2
+					? this.placingWire.anchorPoints[anchorCount - 2]
+					: this.placingWire.inputPin.position;
+
+				const deltaX = Math.abs(this.mousePosition.x - previousAnchorPoint.x);
+				const deltaY = Math.abs(this.mousePosition.y - previousAnchorPoint.y);
+
+				if (deltaX > deltaY) {
+					lastAnchorPoint.x = this.mousePosition.x;
+					lastAnchorPoint.y = previousAnchorPoint.y;
+				} else {
+					lastAnchorPoint.x = previousAnchorPoint.x;
+					lastAnchorPoint.y = this.mousePosition.y;
+				}
+			} else {
+				lastAnchorPoint.x = this.mousePosition.x;
+				lastAnchorPoint.y = this.mousePosition.y;
+			}
+			
+		}
+	};
+
+	onClickPin(pin: Pin) {
+		if (this.placingWire != null) {
+			if (!pin.isInput) {
+				this.placingWire.outputPin = pin;
+				this.placingWire.anchorPoints.pop();
+
+				this.placingWire.inputPin.setOutputWire(this.placingWire);
+				this.placingWire.inputPin.update();
+
+				this.placingWire = null;
+				this.isPlacing = false;
+			}
+			return;
+		}
+
+		const inputConnection = pin.isInput ? pin : null;
+		const outputConnection = pin.isInput ? null : pin;
+		const anchorPoint = this.mousePosition.clone;
+
+		this.placingWire = new Wire("blue", inputConnection, outputConnection, [anchorPoint]);
+		this.wires.push(this.placingWire);
+	}
+
+	onClick = (event: MouseEvent) => {
+		event.preventDefault();
+		this.setMousePosition(event);
+
+		if (event.button === 2) {
+			if (this.placingWire != null) {
+				this.placingWire = null;
+				this.isPlacing = false;
+				this.wires.pop();
+				return;
+			}
+		} else if (event.button === 0) {
+			let eventComplete = false;
+
+			this.inputPins.forEach((pin: Pin) => {
+				if (this.mousePosition.getDistance(pin.position.x - INPUT_OUTPUT.pinOffset, pin.position.y) <= INPUT_OUTPUT.radius) {
+					pin.setState(State.invert(pin.state));
+					eventComplete = true;
+				} else if (this.mousePosition.getDistance(pin.position.x, pin.position.y) <= PIN.radius) {
+					this.onClickPin(pin);
+					eventComplete = true;
+				}
+			});
+	
+			if (eventComplete)
+				return;
+	
+			this.outputPins.forEach((pin: Pin) => {
+				if (this.mousePosition.getDistance(pin.position.x, pin.position.y) <= PIN.radius) {
+					this.onClickPin(pin);
+					eventComplete = true;
+				}
+			});
+	
+			if (eventComplete)
+				return;
+	
+			if (this.placingWire != null) {
+				this.placingWire.anchorPoints.push(this.mousePosition.clone);
+			}
+		}
+	};
+
+	onKeyDown = (event: KeyboardEvent) => {
+		if (event.key === "Shift") {
+			event.preventDefault();
+			this.snapping = true;
+			this.onMouseMove();
+			return;
+		}
+	};
+
+	onKeyUp = (event: KeyboardEvent) => {
+		if (event.key === "Shift") {
+			event.preventDefault();
+			this.snapping = false;
+			this.onMouseMove();
+			return;
+		}
+	};
+
+	getColor(key: string) {
+		if (this.colors[key] != null)
+			return this.colors[key];
+
+		const color = getComputedStyle(this.canvas).getPropertyValue("--" + key);
+
+		this.colors[key] = color;
+		return color;
+	}
+
+	drawRect(style: string, positionX: number, positionY: number, sizeX: number, sizeY: number) {
+		this.context.fillStyle = style;
+		this.context.fillRect(positionX, positionY, sizeX, sizeY);
+	}
+
+	drawCircle(style: string, positionX: number, positionY: number, radius: number) {
+		this.context.beginPath();
+		this.context.arc(positionX, positionY, radius, 0, 2 * Math.PI);
+
+		this.context.fillStyle = style;
+		this.context.fill();
+	}
+
+	drawLine(style: string, positions: Vector2[], width: number) {
+		if (positions.length < 2)
+			return;
+
+		this.context.lineWidth = width;
+		this.context.lineJoin = "round";
+		this.context.lineCap = "round";
+
+		this.context.beginPath();
+		this.context.moveTo(positions[0].x, positions[0].y);
+
+		for (let i = 1; i < positions.length; i++) {
+			this.context.lineTo(positions[i].x, positions[i].y);
+		}
+
+		this.context.strokeStyle = style;
+		this.context.stroke();
+	}
+
+	drawBackground() {
+		let offset = 0;
+		this.drawRect(this.getColor(COLORS.background.outer), offset, offset, this.size.x, this.size.y);
+
+		offset = BACKGROUND.padding - BACKGROUND.borderWidth;
+		this.drawRect(
+			this.getColor(COLORS.background.border),
+			offset, offset,
+			this.size.x - offset * 2, this.size.y - offset * 2
+		);
+
+		offset = BACKGROUND.padding;
+		this.drawRect(
+			this.getColor(COLORS.background.inner),
+			offset, offset,
+			this.size.x - offset * 2, this.size.y - offset * 2
+		);
+	}
+
+	drawWires() {
+		this.wires.forEach((wire, index) => {
+			const positions = [...wire.anchorPoints];
+
+			if (wire.inputPin != null)
+				positions.unshift(wire.inputPin.position);
+			if (wire.outputPin != null)
+				positions.push(wire.outputPin.position);
+
+			let color: string;
+
+			const isPlacingWire = this.placingWire != null && index == this.wires.length - 1;
+			if (isPlacingWire) {
+				color = COLORS.wire.placing;
+			} else if (wire.state.value === 1) {
+				color = `${wire.color}-a`;
+			} else {
+				color = `${wire.color}-b`;
+			}
+
+			this.drawLine(this.getColor(color), positions, WIRE.width);
+		});
+	}
+
+	drawInputOutput(state: State, isInteractable: boolean, positionX: number, positionY: number) {
+		let color: string;
+
+		if (isInteractable && this.mousePosition.getDistance(positionX, positionY) <= INPUT_OUTPUT.radius) {
+			if (state.value === 1) {
+				color = COLORS.inputOutput.onHover;
+			} else {
+				color = COLORS.inputOutput.offHover;
+			}
+			this.cursor = CURSORS.pointer;
+		} else {
+			if (state.value === 1) {
+				color = COLORS.inputOutput.on;
+			} else {
+				color = COLORS.inputOutput.off;
+			}
+		}
+
+		this.drawCircle(
+			this.getColor(COLORS.inputOutput.stroke),
+			positionX, positionY,
+			INPUT_OUTPUT.radius
+		);
+		this.drawCircle(
+			this.getColor(color),
+			positionX, positionY,
+			INPUT_OUTPUT.radius - INPUT_OUTPUT.borderWidth
+		);
+	}
+
+	drawPins() {
+		this.inputPins.forEach((pin) => {
+			const positionX = pin.position.x - INPUT_OUTPUT.pinOffset;
+			const positionY = pin.position.y;
+
+			this.drawRect(
+				this.getColor(COLORS.inputOutput.connector),
+				positionX, positionY - INPUT_OUTPUT.connectorWidth / 2,
+				INPUT_OUTPUT.pinOffset, INPUT_OUTPUT.connectorWidth
+			);
+
+			this.drawInputOutput(pin.state, true, positionX, positionY);
+		});
+		this.outputPins.forEach((pin) => {
+			const positionX = pin.position.x + INPUT_OUTPUT.pinOffset;
+			const positionY = pin.position.y;
+
+			this.drawRect(
+				this.getColor(COLORS.inputOutput.connector),
+				positionX - INPUT_OUTPUT.pinOffset, positionY - INPUT_OUTPUT.connectorWidth / 2,
+				INPUT_OUTPUT.pinOffset, INPUT_OUTPUT.connectorWidth
+			);
+
+			this.drawInputOutput(pin.state, false, positionX, pin.position.y);
+		});
+
+		super.drawPins();
+	}
+
+	draw() {
+		this.drawBackground();
+		this.drawWires();
+		this.drawPins();		
+	}
+
+	render() {
+		if (this.canvas.width != this.size.x)
+			this.canvas.width = this.size.x;
+		if (this.canvas.height != this.size.y)
+			this.canvas.height = this.size.y;
+
+		this.cursor = CURSORS.default;
+
+		this.draw();
+
+		if (this.isPlacing) {
+			this.canvas.style.cursor = CURSORS.default;
+		} else {
+			this.canvas.style.cursor = this.cursor;
+		}
+
+		window.requestAnimationFrame(() => {
+			this.render();
+		});
+	}
+}

src/features/apps/logic-sim/pin.ts

@@ -0,0 +1,56 @@
+import { COLORS, CURSORS, PIN } from "../../../config/apps/logicSim.config";
+import Vector2 from "../../math/vector2";
+import { Chip } from "./chip";
+import { Circuit } from "./circuit";
+import { State } from "./state";
+import { Wire } from "./wire";
+
+export class Pin {
+	name: string;
+	position: Vector2;
+	attachedChip: Chip;
+	index: number;
+	circuit: Circuit;
+
+	state = State.LOW;
+	isInput: boolean;
+	outputWire: Wire;
+
+	constructor(circuit: Circuit, name: string, isInput: boolean, attachedChip: Chip, index: number) {
+		Object.assign(this, { circuit, name, isInput, attachedChip, index });
+	}
+
+	setOutputWire(wire: Wire) {
+		this.outputWire = wire;
+		this.outputWire.setState(this.state);
+	}
+
+	setState(state: State) {
+		if (this.state.isEqual(state))
+			return;
+
+		this.state = state;
+		this.update();
+	}
+
+	update() {
+		if (this.isInput) {
+			this.outputWire?.setState(this.state);
+		}
+	}
+
+	draw() {
+		let color = COLORS.pin.fill;
+
+		if (this.circuit.mousePosition.getDistance(this.position.x, this.position.y) <= PIN.radius) {
+			this.circuit.cursor = CURSORS.pointer;
+			color = COLORS.pin.fillHover;
+		}
+
+		this.circuit.drawCircle(
+			this.circuit.getColor(color),
+			this.position.x, this.position.y,
+			PIN.radius
+		);
+	}
+}

src/features/apps/logic-sim/state.ts

@@ -0,0 +1,18 @@
+export class State {
+	value: number;
+
+	static LOW = new State(0);
+	static HIGH = new State(1);
+
+	constructor(value: number) {
+		this.value = value;
+	}
+
+	static invert(state: State) {
+		return new State(1 - state.value);
+	}
+
+	isEqual(state: State) {
+		return this.value === state.value;
+	}
+}

src/features/apps/logic-sim/wire.ts

@@ -0,0 +1,30 @@
+import Vector2 from "../../math/vector2";
+import { Pin } from "./pin";
+import { State } from "./state";
+
+export class Wire {
+	color: string;
+	state = State.LOW;
+	inputPin: Pin;
+	outputPin: Pin;
+	anchorPoints: Vector2[];
+
+	constructor(color: string, inputPin?: Pin, outputPin?: Pin, anchorPoints?: Vector2[]) {
+		Object.assign(this, { color, inputPin, outputPin, anchorPoints });
+	}
+
+	setState(state: State) {
+		if (this.state.isEqual(state))
+			return;
+
+		this.state = state;
+		this.update();
+	}
+
+	update() {
+		if (this.outputPin == null)
+			return;
+
+		this.outputPin.setState(this.state);
+	}
+}

src/features/math/vector2.ts

@@ -2,9 +2,15 @@ export default class Vector2 {
 	x: number;
 	y: number;
 
-	static ZERO = new Vector2(0, 0);
+	static get ZERO() {
+		return new Vector2(0, 0);
+	};
 
-	constructor(x: number, y: number) {
+	get clone() {
+		return new Vector2(this.x, this.y);
+	}
+
+	constructor(x: number, y?: number) {
 		this.x = x;
 		this.y = y ?? x;
 	}
@@ -14,4 +20,22 @@ export default class Vector2 {
 		this.y = Math.round(this.y);
 		return this;
 	}
+
+	getDistance(x: number, y?: number): number;
+	getDistance(vector2: Vector2): number;
+
+	getDistance(x: unknown, y?: unknown): number {
+		let deltaX = 0, deltaY = 0;
+
+		if (x instanceof Vector2) {
+			const vector2 = x;
+			deltaX = this.x - vector2.x;
+			deltaY = this.y - vector2.y;
+		} else {
+			deltaX = this.x - (x as number);
+			deltaY = this.y - (y as number);
+		}
+		
+		return Math.sqrt(deltaX * deltaX + deltaY * deltaY);
+	}
 }

src/features/modals/modalsManager.ts

@@ -67,6 +67,6 @@ export default class ModalsManager {
 	}
 
 	static getModalIconUrl(name: string): string {
-		return `${process.env.PUBLIC_URL}/assets/modals/icons/${name}.svg`;
+		return `${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/modals/icons/${name}.svg`;
 	}
 }

src/features/virtual-drive/root/defaultData.ts

@@ -110,7 +110,7 @@ export function loadDefaultData(virtualRoot: VirtualRoot) {
 				folder.createFolders(["outfit", "roboto-mono"]);
 			}).createFolder("screenshots", (folder) => {
 				folder.createFile("screenshot", "png", (file) => {
-					file.setSource(`${process.env.PUBLIC_URL}/assets/screenshots/screenshot-files-settings-taskbar-desktop.png`);
+					file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/screenshots/screenshot-files-settings-taskbar-desktop.png`);
 				});
 			}).createFolder("wallpapers", (folder) => {
 				folder.setProtected(true);
@@ -122,34 +122,34 @@ export function loadDefaultData(virtualRoot: VirtualRoot) {
 					});
 				}
 			}).createFile("banner", "png", (file) => {
-				file.setSource(`${process.env.PUBLIC_URL}/assets/banner-logo-title.png`);
+				file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/banner-logo-title.png`);
 			}).createFile("logo", "svg", (file) => {
-				file.setSource(`${process.env.PUBLIC_URL}/assets/logo.svg`);
+				file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/assets/logo.svg`);
 			});
 		}).createFolder("config", (folder) => {
 			folder.createFile("apps", "xml", (file) => {
-				file.setSource(`${process.env.PUBLIC_URL}/config/apps.xml`);
+				file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/config/apps.xml`);
 			}).createFile("desktop", "xml", (file) => {
-				file.setSource(`${process.env.PUBLIC_URL}/config/desktop.xml`);
+				file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/config/desktop.xml`);
 			}).createFile("taskbar", "xml", (file) => {
-				file.setSource(`${process.env.PUBLIC_URL}/config/taskbar.xml`);
+				file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/config/taskbar.xml`);
 			}).createFile("theme", "xml", (file) => {
-				file.setSource(`${process.env.PUBLIC_URL}/config/theme.xml`);
+				file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/config/theme.xml`);
 			});
 		}).createFolder("documents", (folder) => {
 			folder.createFile("info", "md", (file) => {
-				file.setSource(`${process.env.PUBLIC_URL}/documents/info.md`);
+				file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/documents/info.md`);
 			}).createFile("links", "md", (file) => {
-				file.setSource(`${process.env.PUBLIC_URL}/documents/links.md`);
+				file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/documents/links.md`);
 			});
 		}).createFile("favicon", "ico", (file) => {
-			file.setSource(`${process.env.PUBLIC_URL}/favicon.ico`);
+			file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/favicon.ico`);
 		}).createFile("index", "html", (file) => {
-			file.setSource(`${process.env.PUBLIC_URL}/index.html`);
+			file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/index.html`);
 		}).createFile("robots", "txt", (file) => {
-			file.setSource(`${process.env.PUBLIC_URL}/robots.txt`);
+			file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/robots.txt`);
 		}).createFile("sitemap", "xml", (file) => {
-			file.setSource(`${process.env.PUBLIC_URL}/sitemap.xml`);
+			file.setSource(`${(process.env as NodeJS.ProcessEnv).PUBLIC_URL}/sitemap.xml`);
 		});
 	});
 

src/styles/global/variables.css

@@ -26,6 +26,7 @@
 	--dark-grey-ca: hsl(212, 27%, 12%);
 	--dark-grey-d: hsl(212, 14%, 10%);
 	--dark-grey-e: hsl(212, 12%, 8%);
+	--dark-grey-f: hsl(212, 10%, 6%);
 
 	--foreground-color-a: var(--white-a);
 	--foreground-color-b: var(--grey-a);

src/types/environment.d.ts

@@ -0,0 +1,6 @@
+declare namespace NodeJS {
+	interface ProcessEnv {
+		NODE_ENV: "development" | "production" | "test";
+		PUBLIC_URL: string;
+	}
+}