Improve settings

frontend/package.json

@@ -47,6 +47,7 @@
     "sass-loader": "^9.0.2",
     "sdf-2d": "^0.6.0",
     "shared": "0.0.0",
+    "resize-observer-polyfill": "^1.5.1",
     "socket.io-client": "^2.3.1",
     "source-map-loader": "^1.1.0",
     "svg-url-loader": "^6.0.0",

frontend/src/index.html

@@ -46,23 +46,44 @@
       </form>
     </section>
 
-    <img id="open-settings" class="icon" alt="open-settings" src="static/settings.svg" />
-
+    <div id="settings-container">
       <section id="settings">
-      <h2>Settings</h2>
-      <input id="enable-relative-movement" checked type="checkbox" />
-      <label for="enable-relative-movement">Enable relative movement</label>
-      <button id="close-settings">Back</button>
+        <label for="enable-relative-movement">
+          <input id="enable-relative-movement" type="checkbox" />
+          <img alt="a dashed circle" src="static/circle.svg" />
+        </label>
+
+        <label for="enable-vibration">
+          <input id="enable-vibration" type="checkbox" />
+          <img alt="vibrating mobile" src="static/vibrate.svg" />
+        </label>
+
+        <label for="enable-sounds">
+          <input id="enable-sounds" type="checkbox" />
+          <img alt="speaker with sound waves" src="static/volume.svg" />
+        </label>
+
+        <img id="logout" alt="logout" src="static/logout.svg" />
       </section>
+    </div>
+
+    <div id="toggle-settings-container">
+      <img
+        id="toggle-settings"
+        class="icon"
+        alt="toggle-settings"
+        src="static/settings.svg"
+      />
+    </div>
 
     <img
-      class="full-screen-controllers icon"
+      class="full-screen-controllers"
       id="minimize"
       alt="minimize-application"
       src="static/minimize.svg"
     />
     <img
-      class="full-screen-controllers icon"
+      class="full-screen-controllers"
       id="maximize"
       alt="maximize-application"
       src="static/maximize.svg"

frontend/src/index.ts

@@ -17,12 +17,14 @@ import { JoinFormHandler } from './scripts/join-form-handler';
 import { handleFullScreen } from './scripts/handle-full-screen';
 import { Game } from './scripts/game';
 import { PlayerCharacterView } from './scripts/objects/player-character-view';
-
 import '../static/settings.svg';
 import '../static/minimize.svg';
 import '../static/maximize.svg';
 import { handleInsights } from './scripts/handle-insights';
 import { getInsightsFromRenderer } from './scripts/get-insights-from-renderer';
+import { Renderer } from 'sdf-2d';
+import ResizeObserver from 'resize-observer-polyfill';
+import { OptionsHandler } from './scripts/options-handler';
 
 glMatrix.setMatrixArrayType(Array);
 
@@ -32,40 +34,44 @@ overrideDeserialization(PlanetBase, PlanetView);
 overrideDeserialization(LampBase, LampView);
 overrideDeserialization(ProjectileBase, ProjectileView);
 
-const main = async () => {
-  try {
 const landingUI = document.querySelector('#landing-ui') as HTMLElement;
 const joinGameForm = document.querySelector('#join-game-form') as HTMLFormElement;
 const serverContainer = document.querySelector('#server-container') as HTMLElement;
 const canvas = document.querySelector('canvas') as HTMLCanvasElement;
 const overlay = document.querySelector('#overlay') as HTMLElement;
 const settings = document.querySelector('#settings') as HTMLElement;
-    const openSettings = document.querySelector('#open-settings') as HTMLElement;
-    const closeSettings = document.querySelector('#close-settings') as HTMLElement;
+const toggleSettingsButton = document.querySelector(
+  '#toggle-settings-container',
+) as HTMLElement;
 const minimize = document.querySelector('#minimize') as HTMLElement;
 const maximize = document.querySelector('#maximize') as HTMLElement;
-    const enableRelativeMovementCheckbox = document.querySelector(
+const logoutButton = document.querySelector('#logout') as HTMLElement;
+const enableRelativeMovement = document.querySelector(
   '#enable-relative-movement',
-    ) as HTMLElement;
+) as HTMLInputElement;
+const enableSounds = document.querySelector('#enable-sounds') as HTMLInputElement;
+const enableVibration = document.querySelector('#enable-vibration') as HTMLInputElement;
 
-    openSettings.addEventListener('click', () => (settings.style.visibility = 'visible'));
-    closeSettings.addEventListener('click', () => (settings.style.visibility = 'hidden'));
-
-    const background = new LandingPageBackground(canvas);
-    const joinHandler = new JoinFormHandler(joinGameForm, serverContainer);
-    handleFullScreen(minimize, maximize);
-
-    let backgroundRenderer = await background.renderer;
 let isInGame = false;
-    let game: Game;
-    const getFrameData = () => {
+
+const startInsights = (getRenderer: () => Renderer | undefined) => {
+  const { vendor, renderer } = getInsightsFromRenderer(getRenderer());
+  handleInsights(
+    {
+      vendor,
+      renderer,
+      referrer: document.referrer,
+      connection: (navigator as any)?.connection?.effectiveType,
+      devicePixelRatio: devicePixelRatio,
+    },
+    () => {
       const {
         fps,
         renderScale,
         lightScale,
         canvasWidth,
         canvasHeight,
-      } = getInsightsFromRenderer(isInGame ? game.renderer : backgroundRenderer);
+      } = getInsightsFromRenderer(getRenderer());
 
       return {
         isInGame,
@@ -75,26 +81,75 @@ const main = async () => {
         canvasWidth,
         canvasHeight,
       };
-    };
-    const { vendor, renderer } = getInsightsFromRenderer(backgroundRenderer);
-    handleInsights(
-      {
-        vendor,
-        renderer,
-        referrer: document.referrer,
-        connection: (navigator as any)?.connection?.effectiveType,
-        devicePixelRatio: devicePixelRatio,
     },
-      getFrameData,
   );
+};
+
+const toggleSettings = () =>
+  (settings.className = settings.className === 'open' ? '' : 'open');
+
+const applyServerContainerShadows = () => {
+  const { scrollHeight, clientHeight, scrollTop } = serverContainer;
+  console.log(scrollHeight, clientHeight, scrollTop);
+  if (scrollHeight > clientHeight) {
+    serverContainer.className = 'scroll';
+    if (scrollTop === 0) {
+      serverContainer.className += ' top';
+    } else if (scrollTop + clientHeight === scrollHeight) {
+      serverContainer.className += ' bottom';
+    }
+  }
+};
+
+const main = async () => {
+  try {
+    let game: Game;
+
+    handleFullScreen(minimize, maximize);
+    toggleSettingsButton.addEventListener('click', toggleSettings);
+
+    new ResizeObserver(applyServerContainerShadows).observe(serverContainer);
+    serverContainer.addEventListener('scroll', applyServerContainerShadows);
+
+    OptionsHandler.initialize({
+      relativeMovementEnabled: enableRelativeMovement,
+      soundsEnabled: enableSounds,
+      vibrationEnabled: enableVibration,
+    });
+
+    logoutButton.addEventListener('click', () => {
+      game.destroy();
+      toggleSettings();
+    });
+    window.onpopstate = () => game.destroy();
+
+    let backgroundRenderer: Renderer | undefined;
+    startInsights(() => (isInGame ? game.renderer : backgroundRenderer));
+
+    for (;;) {
+      landingUI.style.visibility = 'inherit';
+      logoutButton.style.visibility = 'hidden';
+
+      const background = new LandingPageBackground(canvas);
+      const joinHandler = new JoinFormHandler(joinGameForm, serverContainer);
+
+      backgroundRenderer = await background.renderer;
 
       const playerDecision = await joinHandler.getPlayerDecision();
-    landingUI.style.display = 'none';
+      if (!history.state) {
+        history.pushState(true, '');
+      }
+
+      landingUI.style.visibility = 'hidden';
 
       background.destroy();
 
+      logoutButton.style.visibility = 'inherit';
       game = new Game(playerDecision, canvas, overlay);
       isInGame = true;
+      await game.start();
+      isInGame = false;
+    }
   } catch (e) {
     console.error(e);
     alert(e);

frontend/src/scripts/commands/generators/keyboard-listener.ts

@@ -1,5 +1,6 @@
 import { vec2 } from 'gl-matrix';
 import { CommandGenerator, MoveActionCommand } from 'shared';
+import { OptionsHandler } from '../../options-handler';
 
 export class KeyboardListener extends CommandGenerator {
   private keysDown: Set<string> = new Set();
@@ -34,7 +35,9 @@ export class KeyboardListener extends CommandGenerator {
     if (vec2.squaredLength(movement) > 0) {
       vec2.normalize(movement, movement);
     }
-    this.sendCommandToSubcribers(new MoveActionCommand(movement, true));
+    this.sendCommandToSubcribers(
+      new MoveActionCommand(movement, OptionsHandler.options.relativeMovementEnabled),
+    );
   }
 
   private normalize(key: string): string {

frontend/src/scripts/commands/generators/touch-listener.ts

@@ -7,6 +7,7 @@ import {
   MoveActionCommand,
 } from 'shared';
 import { Game } from '../../game';
+import { OptionsHandler } from '../../options-handler';
 
 export class TouchListener extends CommandGenerator {
   private previousPosition = vec2.create();
@@ -38,7 +39,9 @@ export class TouchListener extends CommandGenerator {
 
       if (vec2.squaredLength(movement) > 0) {
         vec2.normalize(movement, movement);
-        this.sendCommandToSubcribers(new MoveActionCommand(movement, false));
+        this.sendCommandToSubcribers(
+          new MoveActionCommand(movement, OptionsHandler.options.relativeMovementEnabled),
+        );
       }
 
       this.previousPosition = position;
@@ -46,7 +49,12 @@ export class TouchListener extends CommandGenerator {
 
     target.addEventListener('touchend', (event: TouchEvent) => {
       event.preventDefault();
-      this.sendCommandToSubcribers(new MoveActionCommand(vec2.create(), false));
+      this.sendCommandToSubcribers(
+        new MoveActionCommand(
+          vec2.create(),
+          OptionsHandler.options.relativeMovementEnabled,
+        ),
+      );
     });
   }
 

frontend/src/scripts/game.ts

@@ -29,7 +29,7 @@ import { TouchListener } from './commands/generators/touch-listener';
 import { CommandReceiverSocket } from './commands/receivers/command-receiver-socket';
 import { PlayerDecision } from './join-form-handler';
 import { GameObjectContainer } from './objects/game-object-container';
-import { options } from './options';
+import { OptionsHandler } from './options-handler';
 import { BlobShape } from './shapes/blob-shape';
 import { PlanetShape } from './shapes/planet-shape';
 
@@ -48,7 +48,6 @@ export class Game {
     private readonly canvas: HTMLCanvasElement,
     private readonly overlay: HTMLElement,
   ) {
-    this.start();
     const progressBar = document.createElement('div');
     progressBar.className = 'planet-progress';
     overlay.appendChild(progressBar);
@@ -71,7 +70,7 @@ export class Game {
       const command = deserialize(serialized);
       if (command instanceof PlayerDiedCommand) {
         this.deadTimeout = command.timeout;
-        if (options.vibrationEnabled) {
+        if (OptionsHandler.options.vibrationEnabled) {
           navigator.vibrate(150);
         }
         this.overlay.appendChild(this.announcmentText);
@@ -112,10 +111,10 @@ export class Game {
     );
   }
 
-  private async start(): Promise<void> {
+  public async start(): Promise<void> {
     const noiseTexture = await renderNoise([256, 256], 2, 1);
     this.setupCommunication(this.playerDecision.server);
-    runAnimation(
+    await runAnimation(
       this.canvas,
       [
         {
@@ -162,6 +161,8 @@ export class Game {
         },
       },
     );
+    this.socket.close();
+    this.overlay.innerHTML = '';
   }
 
   public displayToWorldCoordinates(p: vec2): vec2 {
@@ -179,6 +180,11 @@ export class Game {
     );
   }
 
+  private isActive = true;
+  public destroy() {
+    this.isActive = false;
+  }
+
   private announcmentText = document.createElement('h2');
   private gameLoop(
     renderer: Renderer,
@@ -196,6 +202,6 @@ export class Game {
     this.gameObjects.stepObjects(deltaTime);
     this.gameObjects.drawObjects(this.renderer, this.overlay);
 
-    return true;
+    return this.isActive;
   }
 }

frontend/src/scripts/objects/player-character-view.ts

@@ -8,7 +8,7 @@ import {
   CharacterTeam,
   settings,
 } from 'shared';
-import { options } from '../options';
+import { OptionsHandler } from '../options-handler';
 
 import { BlobShape } from '../shapes/blob-shape';
 import { ViewObject } from './view-object';
@@ -50,7 +50,7 @@ export class PlayerCharacterView extends PlayerCharacterBase implements ViewObje
     this.healthElement.style.width = this.health + '%';
     if (this.previousHealth > this.health) {
       this.previousHealth = this.health;
-      if (options.vibrationEnabled) {
+      if (OptionsHandler.options.vibrationEnabled) {
         navigator.vibrate(50);
       }
     }

frontend/src/scripts/options-handler.ts

@@ -0,0 +1,51 @@
+interface Options {
+  vibrationEnabled: boolean;
+  soundsEnabled: boolean;
+  relativeMovementEnabled: boolean;
+}
+
+export abstract class OptionsHandler {
+  private static initialized = false;
+  private static _options: Options = {
+    vibrationEnabled: true,
+    soundsEnabled: true,
+    relativeMovementEnabled: false,
+  };
+
+  public static initialize(
+    inputElements: { [k in Extract<keyof Options, string>]: HTMLInputElement },
+  ) {
+    if (localStorage.getItem('options')) {
+      const stored: Partial<Options> | null = JSON.parse(
+        localStorage.getItem('options')!,
+      );
+      this._options = {
+        ...this._options,
+        ...stored,
+      };
+    }
+
+    for (const k in inputElements) {
+      const element = inputElements[k as keyof Options];
+      element.checked = OptionsHandler._options[k as keyof Options];
+      element.addEventListener('change', function () {
+        OptionsHandler._options[k as keyof Options] = this.checked;
+        OptionsHandler.save();
+      });
+    }
+
+    this.initialized = true;
+  }
+
+  private static save() {
+    localStorage.setItem('options', JSON.stringify(this._options));
+  }
+
+  public static get options(): Options {
+    if (!this.initialized) {
+      throw new Error('Uninitialized');
+    }
+
+    return this._options;
+  }
+}

frontend/src/scripts/options.ts

@@ -1,3 +0,0 @@
-export const options = {
-  vibrationEnabled: true,
-};

frontend/src/styles/button.scss

@@ -0,0 +1,26 @@
+@import './vars.scss';
+
+button {
+  border: none;
+  background: none;
+  font-size: 2rem;
+  font-family: 'Comfortaa', sans-serif;
+  cursor: pointer;
+  display: block;
+  margin: auto;
+
+  $ascend: 6px;
+  padding: $medium-padding 0 0 0;
+  margin-bottom: $ascend;
+  transition: transform $animation-time, padding-bottom $animation-time,
+    margin-bottom $animation-time;
+
+  &:hover,
+  &:focus {
+    outline: none;
+    color: $accent;
+    transform: translateY(-$ascend);
+    padding-bottom: $ascend;
+    margin-bottom: 0;
+  }
+}

frontend/src/styles/form.scss

@@ -96,7 +96,7 @@ form {
         padding: $small-padding;
         border: $border;
         cursor: pointer;
-        margin: $border-width-focused - $border-width;
+        margin: $border-width-focused - $border-width $small-padding / 2;
       }
 
       &:focus {
@@ -107,27 +107,8 @@ form {
       &:checked + label {
         border-color: $accent;
         border-width: $border-width-focused;
-        margin: 0;
+        margin-right: 0 $small-padding / 2;
       }
     }
   }
 }
-
-button {
-  border: none;
-  background: none;
-  font-size: 2rem;
-  font-family: 'Comfortaa', sans-serif;
-  cursor: pointer;
-  display: block;
-  margin: auto;
-  padding-top: $medium-padding;
-  transition: transform $animation-time;
-
-  &:hover,
-  &:focus {
-    outline: none;
-    color: $accent;
-    transform: translateY(-8px);
-  }
-}

frontend/src/styles/main.scss

@@ -1,8 +1,11 @@
 @import './vars.scss';
+@import './button.scss';
 @import './form.scss';
 @import './mixins.scss';
+@import './settings.scss';
 
 @import url('https://fonts.googleapis.com/css2?family=Comfortaa:wght@300&family=Open+Sans&display=swap');
+
 * {
   margin: 0;
   box-sizing: border-box;
@@ -22,8 +25,11 @@ html {
   }
 }
 
-h1,
-h2 {
+img {
+  user-select: none;
+}
+
+h1 {
   &,
   * {
     font-family: 'Comfortaa', sans-serif;
@@ -31,6 +37,10 @@ h2 {
   font-size: 6rem;
   text-align: center;
   padding-bottom: $medium-padding;
+
+  @media (max-height: $height-breakpoint) {
+    display: none;
+  }
 }
 
 h2 {
@@ -131,30 +141,29 @@ body {
     }
   }
 
-  #open-settings {
-    position: absolute;
-    top: 0;
-    right: 0;
+  #server-container {
+    max-height: 30vh;
+    overflow-y: auto;
 
-    animation: spin 32s linear infinite;
-    @keyframes spin {
-      100% {
-        transform: rotate(360deg);
-      }
+    &::-webkit-scrollbar-track,
+    &::-webkit-scrollbar {
+      background-color: transparent;
+      width: 2px;
     }
+    &::-webkit-scrollbar-thumb {
+      background-color: $accent;
+      border-radius: $border-radius;
     }
 
-  .icon {
-    box-sizing: content-box;
-
-    user-select: none;
-    cursor: pointer;
-
-    padding: $medium-padding;
-    @include square(48px);
-    @media (max-width: $breakpoint) {
-      @include square(32px);
-      padding: $small-padding;
+    &.scroll {
+      box-shadow: inset 0 -8px 8px -8px rgba(0, 0, 0, 0.4),
+        inset 0 8px 8px -8px rgba(0, 0, 0, 0.4);
+      &.top {
+        box-shadow: inset 0 -8px 8px -8px rgba(0, 0, 0, 0.4);
+      }
+      &.bottom {
+        box-shadow: inset 0 8px 8px -8px rgba(0, 0, 0, 0.4);
+      }
     }
   }
 
@@ -162,17 +171,21 @@ body {
     position: absolute;
     bottom: 0;
     left: 0;
+
+    box-sizing: content-box;
+
+    user-select: none;
+    cursor: pointer;
+
+    padding: $medium-padding;
+    @include square($large-icon);
+    @media (max-width: $breakpoint) {
+      @include square($small-icon);
+      padding: $small-padding;
     }
 
-  #settings {
-    @include background;
-    position: absolute;
-    left: 0;
-    right: 0;
-    top: 0;
-    bottom: 0;
-
-    padding: $large-padding;
+    &:not(:first-child) {
       visibility: hidden;
     }
   }
+}

frontend/src/styles/mixins.scss

@@ -6,6 +6,6 @@
 @mixin background {
   backdrop-filter: blur(24px);
   @supports not (backdrop-filter: blur(24px)) {
-    background-color: rgba(0, 0, 0, 0.15);
+    background-color: rgba(0, 0, 0, 0.5);
   }
 }

frontend/src/styles/settings.scss

@@ -0,0 +1,122 @@
+@import './vars.scss';
+@import './mixins.scss';
+
+#toggle-settings-container,
+#settings-container {
+  position: absolute;
+  display: flex;
+  justify-content: center;
+
+  top: 0;
+  right: 0;
+}
+
+#toggle-settings-container {
+  padding: $medium-padding;
+  cursor: pointer;
+
+  #toggle-settings {
+    @include square($large-icon);
+    @media (max-width: $breakpoint) {
+      @include square($small-icon);
+    }
+
+    animation: spin 32s linear infinite;
+    @keyframes spin {
+      100% {
+        transform: rotate(360deg);
+      }
+    }
+  }
+}
+
+#settings-container {
+  top: $medium-padding + $large-icon + $small-padding;
+  @media (max-width: $breakpoint) {
+    top: 0;
+    right: $medium-padding + $small-icon + $small-padding;
+  }
+  overflow: hidden;
+}
+
+#settings {
+  display: flex;
+  flex-direction: column;
+  padding: 0 $medium-padding $medium-padding $medium-padding;
+
+  transform: translateY(-100%);
+  @media (max-width: $breakpoint) {
+    flex-direction: row-reverse;
+    transform: translateX(100%);
+    padding: $medium-padding 0 $medium-padding $medium-padding;
+  }
+
+  opacity: 0;
+  transition: transform $animation-time, opacity $animation-time;
+
+  &.open {
+    transform: none;
+    opacity: 1;
+  }
+
+  img {
+    cursor: pointer;
+    transition: opacity $animation-time;
+    margin-bottom: $small-padding;
+    @include square($large-icon);
+    @media (max-width: $breakpoint) {
+      @include square($small-icon);
+      margin-bottom: 0;
+      margin-left: $small-padding;
+    }
+  }
+
+  label {
+    position: relative;
+  }
+
+  input[type='checkbox'] {
+    width: 0;
+    height: 0;
+    appearance: none;
+    cursor: pointer;
+
+    &:not(:checked) + img {
+      opacity: 0.4;
+    }
+
+    &:focus {
+      outline: none;
+    }
+
+    &:after {
+      content: ' ';
+      background: white;
+      position: absolute;
+
+      $height: 4px;
+      width: $height;
+      top: $height / 2;
+
+      right: 0;
+      transform-origin: top right;
+      border-radius: 100px;
+      height: 0;
+      transform: rotate(45deg) translateY(17%);
+      transition: height $animation-time;
+
+      @media (max-width: $breakpoint) {
+        $height: 2px;
+        width: $height;
+        top: $height / 2;
+      }
+    }
+
+    &:not(:checked):after {
+      height: $large-icon;
+      @media (max-width: $breakpoint) {
+        height: $small-icon;
+      }
+    }
+  }
+}

frontend/src/styles/vars.scss

@@ -8,5 +8,8 @@ $small-padding: 12px;
 $medium-padding: 24px;
 $large-padding: 64px;
 $border-radius: 15px;
-$animation-time: 200ms;
+$animation-time: 200ms ease;
 $breakpoint: 700px;
+$height-breakpoint: 500px;
+$large-icon: 48px;
+$small-icon: 32px;

frontend/static/circle.svg

@@ -0,0 +1,11 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 24 24" stroke-width="1.5" stroke="#ffffff" fill="none" stroke-linecap="round" stroke-linejoin="round">
+  <path stroke="none" d="M0 0h24v24H0z" fill="none"/>
+  <path d="M8.56 3.69a9 9 0 0 0 -2.92 1.95" />
+  <path d="M3.69 8.56a9 9 0 0 0 -.69 3.44" />
+  <path d="M3.69 15.44a9 9 0 0 0 1.95 2.92" />
+  <path d="M8.56 20.31a9 9 0 0 0 3.44 .69" />
+  <path d="M15.44 20.31a9 9 0 0 0 2.92 -1.95" />
+  <path d="M20.31 15.44a9 9 0 0 0 .69 -3.44" />
+  <path d="M20.31 8.56a9 9 0 0 0 -1.95 -2.92" />
+  <path d="M15.44 3.69a9 9 0 0 0 -3.44 -.69" />
+</svg>

frontend/static/logout.svg

@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 24 24" stroke-width="1.5" stroke="#ffffff" fill="none" stroke-linecap="round" stroke-linejoin="round">
+  <path stroke="none" d="M0 0h24v24H0z" fill="none"/>
+  <path d="M14 8v-2a2 2 0 0 0 -2 -2h-7a2 2 0 0 0 -2 2v12a2 2 0 0 0 2 2h7a2 2 0 0 0 2 -2v-2" />
+  <path d="M7 12h14l-3 -3m0 6l3 -3" />
+</svg>

frontend/static/vibrate.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 24 24" stroke-width="1.5" stroke="#FFFFFF" fill="none" stroke-linecap="round" stroke-linejoin="round">
+  <path stroke="none" d="M0 0h24v24H0z" fill="none"/>
+  <rect x="4" y="4" width="10" height="16" rx="1" />
+  <line x1="8" y1="5" x2="10" y2="5" />
+  <line x1="9" y1="17" x2="9" y2="17.01" />
+  <path d="M20 6l-2 3l2 3l-2 3l2 3" />
+</svg>

frontend/static/volume.svg

@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 24 24" stroke-width="1.5" stroke="#ffffff" fill="none" stroke-linecap="round" stroke-linejoin="round">
+  <path stroke="none" d="M0 0h24v24H0z" fill="none"/>
+  <path d="M15 8a5 5 0 0 1 0 8" />
+  <path d="M17.7 5a9 9 0 0 1 0 14" />
+  <path d="M6 15h-2a1 1 0 0 1 -1 -1v-4a1 1 0 0 1 1 -1h2l3.5 -4.5a.8 .8 0 0 1 1.5 .5v14a.8 .8 0 0 1 -1.5 .5l-3.5 -4.5" />
+</svg>