Start refactoring

README.md

@@ -18,11 +18,8 @@ A good-looking 2D adventure.
   - rancher os
 - Frontend nginx disable logging
 - procedural piano
-- obfuscate function names
 - lightweight object storage
-- dockerswarm.rocks
 - local dev env
 - CI pipeline:
   - prettier script
   - tests?
-- monitoring: https://dockerswarm.rocks/swarmpit/

error-pages/template.html

@@ -5,7 +5,6 @@
     <title>{title}</title>
     <meta name="theme-color" content="#b7455e" />
     <meta name="viewport" content="initial-scale=1.0" />
-
     <style>
       html,
       body {
@@ -21,7 +20,7 @@
       }
 
       h1 {
-        font-family: 'Roboto', 'Helvetica Neue', sans-serif;
+        font-family: "Roboto", "Helvetica Neue", sans-serif;
         font-weight: 100;
         font-size: 3rem;
         color: white;

frontend/src/scripts/commands/types/before-render.ts

@@ -1,8 +1,12 @@
-import { IRenderer } from '../../drawing/i-renderer';
 import { Command } from '../command';
+import { IRenderer } from '../../drawing/rendering/i-renderer';
 
 export class BeforeRenderCommand extends Command {
   public constructor(public readonly renderer?: IRenderer) {
     super();
   }
+
+  public get type(): string {
+    return 'BeforeRenderCommand';
+  }
 }

frontend/src/scripts/commands/types/cursor-move-command.ts

@@ -5,4 +5,8 @@ export class CursorMoveCommand extends Command {
   public constructor(public readonly position?: vec2) {
     super();
   }
+
+  public get type(): string {
+    return 'CursorMoveCommand';
+  }
 }

frontend/src/scripts/commands/types/draw.ts

@@ -1,8 +1,12 @@
-import { IRenderer } from '../../drawing/i-renderer';
 import { Command } from '../command';
+import { IRenderer } from '../../drawing/rendering/i-renderer';
 
 export class RenderCommand extends Command {
   public constructor(public readonly renderer?: IRenderer) {
     super();
   }
+
+  public get type(): string {
+    return 'RenderCommand';
+  }
 }

frontend/src/scripts/commands/types/key-down.ts

@@ -4,4 +4,8 @@ export class KeyDownCommand extends Command {
   public constructor(public readonly key?: string) {
     super();
   }
+
+  public get type(): string {
+    return 'KeyDownCommand';
+  }
 }

frontend/src/scripts/commands/types/key-up.ts

@@ -4,4 +4,8 @@ export class KeyUpCommand extends Command {
   public constructor(public readonly key?: string) {
     super();
   }
+
+  public get type(): string {
+    return 'KeyUpCommand';
+  }
 }

frontend/src/scripts/commands/types/move-to.ts

@@ -5,4 +5,8 @@ export class MoveToCommand extends Command {
   public constructor(public readonly position?: vec2) {
     super();
   }
+
+  public get type(): string {
+    return 'MoveToCommand';
+  }
 }

frontend/src/scripts/commands/types/primary-action.ts

@@ -5,4 +5,8 @@ export class PrimaryActionCommand extends Command {
   public constructor(public readonly position?: vec2) {
     super();
   }
+
+  public get type(): string {
+    return 'PrimaryActionCommand';
+  }
 }

frontend/src/scripts/commands/types/secondary-action.ts

@@ -5,4 +5,8 @@ export class SecondaryActionCommand extends Command {
   public constructor(public readonly position?: vec2) {
     super();
   }
+
+  public get type(): string {
+    return 'SecondaryActionCommand';
+  }
 }

frontend/src/scripts/commands/types/step.ts

@@ -6,4 +6,8 @@ export class StepCommand extends Command {
   ) {
     super();
   }
+
+  public get type(): string {
+    return 'StepCommand';
+  }
 }

frontend/src/scripts/commands/types/swipe.ts

@@ -5,4 +5,8 @@ export class SwipeCommand extends Command {
   public constructor(public readonly delta?: vec2) {
     super();
   }
+
+  public get type(): string {
+    return 'SwipeCommand';
+  }
 }

frontend/src/scripts/commands/types/zoom.ts

@@ -4,4 +4,8 @@ export class ZoomCommand extends Command {
   public constructor(public readonly factor?: number) {
     super();
   }
+
+  public get type(): string {
+    return 'ZoomCommand';
+  }
 }

frontend/src/scripts/drawing/i-renderer.ts

@@ -1,22 +0,0 @@
-import { vec2 } from 'gl-matrix';
-import { Circle } from './primitives/circle';
-import { IPrimitive } from './primitives/i-primitive';
-
-export interface IRenderer {
-  startFrame(deltaTime: DOMHighResTimeStamp): void;
-  finishFrame(): void;
-
-  drawPrimitive(primitive: IPrimitive): void;
-
-  setCameraPosition(position: vec2): void;
-  setCursorPosition(position: vec2): void;
-  setInViewArea(size: number): vec2;
-
-  giveUniforms(uniforms: any): void;
-  appendToUniformList(listName: string, ...values: Array<any>): void;
-
-  screenUvToWorldCoordinate(mousePosition: vec2): vec2;
-  drawInfoText(text: string): void;
-  isOnScreen(boundingCircle: Circle): boolean;
-  isPositionOnScreen(position: vec2): boolean;
-}

frontend/src/scripts/drawing/lights/circle-light.ts

@@ -0,0 +1,35 @@
+import { ILight } from './i-light';
+import { vec2, vec3 } from 'gl-matrix';
+
+export class CircleLight implements ILight {
+  public static uniformName = 'lights';
+
+  constructor(
+    public center: vec2,
+    public radius: number,
+    public color: vec3,
+    public lightness: number
+  ) {}
+
+  serializeToUniforms(uniforms: any): void {
+    const listName = CircleLight.uniformName;
+
+    if (!uniforms.hasOwnProperty(listName)) {
+      uniforms[listName] = [];
+    }
+
+    uniforms[listName].push({
+      center: this.center,
+      radius: this.radius,
+      value: this.value,
+    });
+  }
+
+  get value(): vec3 {
+    return vec3.scale(
+      vec3.create(),
+      vec3.normalize(this.color, this.color),
+      this.lightness
+    );
+  }
+}

frontend/src/scripts/drawing/lights/i-light.ts

@@ -0,0 +1,3 @@
+export interface ILight {
+  serializeToUniforms(uniforms: any): void;
+}

frontend/src/scripts/drawing/lights/point-light.ts

@@ -0,0 +1,30 @@
+import { ILight } from './i-light';
+import { vec2, vec3 } from 'gl-matrix';
+
+export class PointLight implements ILight {
+  public static uniformName = 'lights';
+
+  constructor(
+    public center: vec2,
+    public color: vec3,
+    public lightness: number
+  ) {}
+
+  serializeToUniforms(uniforms: any): void {
+    const listName = PointLight.uniformName;
+
+    if (!uniforms.hasOwnProperty(listName)) {
+      uniforms[listName] = [];
+    }
+
+    uniforms[listName].push({
+      center: this.center,
+      radius: 0,
+      value: this.value,
+    });
+  }
+
+  get value(): vec3 {
+    return vec3.scale(vec3.create(), this.color, this.lightness);
+  }
+}

frontend/src/scripts/drawing/primitives/circle.ts

@@ -2,7 +2,11 @@ import { vec2 } from 'gl-matrix';
 import { IPrimitive } from './i-primitive';
 
 export class Circle implements IPrimitive {
-  public constructor(public center: vec2, public radius: number) {}
+  public constructor(public center = vec2.create(), public radius = 0) {}
+
+  public serializeToUniforms(uniforms: any): void {
+    throw new Error('Method not implemented.');
+  }
 
   public distance(target: vec2): number {
     return vec2.distance(this.center, target) - this.radius;

frontend/src/scripts/drawing/primitives/i-primitive.ts

@@ -1,6 +1,7 @@
 import { vec2 } from 'gl-matrix';
 
 export interface IPrimitive {
+  serializeToUniforms(uniforms: any): void;
   distance(target: vec2): number;
   minimumDistance(target: vec2): number;
 }

frontend/src/scripts/drawing/primitives/tunnel-shape.ts

@@ -5,6 +5,9 @@ import { Circle } from './circle';
 import { IPrimitive } from './i-primitive';
 
 export class TunnelShape implements IPrimitive {
+  public static uniformNameLines = 'lines';
+  public static uniformNameRadii = 'radii';
+
   public readonly toFromDelta: vec2;
   private toFromDeltaLength: number;
 
@@ -25,6 +28,21 @@ export class TunnelShape implements IPrimitive {
     );
   }
 
+  serializeToUniforms(uniforms: any): void {
+    if (!uniforms.hasOwnProperty(TunnelShape.uniformNameLines)) {
+      uniforms[TunnelShape.uniformNameLines] = [];
+    }
+
+    if (!uniforms.hasOwnProperty(TunnelShape.uniformNameRadii)) {
+      uniforms[TunnelShape.uniformNameRadii] = [];
+    }
+
+    uniforms[TunnelShape.uniformNameLines].push(this.from);
+    uniforms[TunnelShape.uniformNameLines].push(this.toFromDelta);
+    uniforms[TunnelShape.uniformNameRadii].push(this.fromRadius);
+    uniforms[TunnelShape.uniformNameRadii].push(this.toRadius);
+  }
+
   public distance(target: vec2): number {
     const targetFromDelta = vec2.subtract(vec2.create(), target, this.from);
     const h = clamp01(

frontend/src/scripts/drawing/rendering/autoscaler.ts

@@ -0,0 +1,47 @@
+import { mix } from '../../helper/mix';
+import { clamp } from '../../helper/clamp';
+
+export class Autoscaler {
+  // can have fractions
+  private index: number;
+
+  constructor(
+    private setters: Array<(value: number) => void>,
+    private targets: Array<Array<number>>,
+    startingIndex: number,
+    private scalingOptions: {
+      additiveIncrease: number;
+      multiplicativeDecrease: number;
+    }
+  ) {
+    this.index = startingIndex;
+    this.applyScaling();
+  }
+
+  public increase() {
+    this.index += this.scalingOptions.additiveIncrease;
+    this.applyScaling();
+  }
+
+  public decrease() {
+    this.index /= this.scalingOptions.multiplicativeDecrease;
+    this.applyScaling();
+  }
+
+  private applyScaling() {
+    this.index = clamp(this.index, 0, this.targets.length - 1);
+
+    const floor = Math.floor(this.index);
+    const fract = this.index - floor;
+
+    const previousTarget = this.targets[floor];
+    const nextTarget =
+      floor + 1 == this.targets.length
+        ? previousTarget
+        : this.targets[floor + 1];
+
+    this.setters.forEach((setter, i) =>
+      setter(mix(previousTarget[i], nextTarget[i], fract))
+    );
+  }
+}

frontend/src/scripts/drawing/rendering/i-renderer.ts

@@ -0,0 +1,16 @@
+import { vec2 } from 'gl-matrix';
+import { IPrimitive } from '../primitives/i-primitive';
+import { ILight } from '../lights/i-light';
+
+export interface IRenderer {
+  startFrame(deltaTime: DOMHighResTimeStamp): void;
+  finishFrame(): void;
+
+  drawPrimitive(primitive: IPrimitive): void;
+  drawLight(light: ILight): void;
+  drawInfoText(text: string): void;
+
+  setCameraPosition(position: vec2): void;
+  setCursorPosition(position: vec2): void;
+  setInViewArea(size: number): vec2;
+}

frontend/src/scripts/drawing/rendering/rendering-pass.ts

@@ -0,0 +1,8 @@
+import { IProgram } from '../graphics-library/program/i-program';
+import { FrameBuffer } from '../graphics-library/frame-buffer/frame-buffer';
+
+export class RenderingPass {
+  constructor(private program: IProgram, private frame: FrameBuffer) {}
+
+  public render(uniforms: any, inputTexture?: WebGLTexture) {}
+}

frontend/src/scripts/drawing/rendering/settings.ts

@@ -0,0 +1,27 @@
+export const settings = {
+  qualityScaling: {
+    targetDeltaTimeInMilliseconds: 30,
+    deltaTimeError: 2,
+    deltaTimeResponsiveness: 1 / 16,
+    adjusmentRateInMilliseconds: 300,
+    scaleTargets: [
+      [0.2, 0.1],
+      [0.6, 0.1],
+      [1, 0.3],
+      [1.25, 0.75],
+      [1.5, 1],
+      [1.75, 1.25],
+      [1.75, 1.75],
+    ],
+    startingTargetIndex: 2,
+    scalingOptions: {
+      additiveIncrease: 0.2,
+      multiplicativeDecrease: 1.15,
+    },
+  },
+  tileMultiplier: 5,
+  shaderUniforms: {
+    distanceScale: 64,
+    edgeSmoothing: 10,
+  },
+};

frontend/src/scripts/drawing/rendering/webgl2-renderer.ts

@@ -1,124 +1,69 @@
 import { mat2d, vec2 } from 'gl-matrix';
-import { clamp } from '../helper/clamp';
-import { InfoText } from '../objects/types/info-text';
-import { DefaultFrameBuffer } from './graphics-library/frame-buffer/default-frame-buffer';
-import { IntermediateFrameBuffer } from './graphics-library/frame-buffer/intermediate-frame-buffer';
-import { WebGlStopwatch } from './graphics-library/helper/stopwatch';
-import { IProgram } from './graphics-library/program/i-program';
-import { UniformArrayAutoScalingProgram } from './graphics-library/program/uniform-array-autoscaling-program';
+import { InfoText } from '../../objects/types/info-text';
+import { DefaultFrameBuffer } from '../graphics-library/frame-buffer/default-frame-buffer';
+import { IntermediateFrameBuffer } from '../graphics-library/frame-buffer/intermediate-frame-buffer';
+import { WebGlStopwatch } from '../graphics-library/helper/stopwatch';
+import { IProgram } from '../graphics-library/program/i-program';
+import { UniformArrayAutoScalingProgram } from '../graphics-library/program/uniform-array-autoscaling-program';
 import { IRenderer } from './i-renderer';
-import { Circle } from './primitives/circle';
-import { IPrimitive } from './primitives/i-primitive';
-import { Rectangle } from './primitives/rectangle';
-import { TunnelShape } from './primitives/tunnel-shape';
+import { Circle } from '../primitives/circle';
+import { IPrimitive } from '../primitives/i-primitive';
+import { Rectangle } from '../primitives/rectangle';
+import { TunnelShape } from '../primitives/tunnel-shape';
+import { Autoscaler } from './autoscaler';
+import { ILight } from '../lights/i-light';
+import { toPercent } from '../../helper/to-percent';
+import { exponentialDecay } from '../../helper/exponential-decay';
+import { settings } from './settings';
 
 export class WebGl2Renderer implements IRenderer {
   private gl: WebGL2RenderingContext;
+  private qualityScaler: Autoscaler;
   private stopwatch?: WebGlStopwatch;
 
   private viewBox: Rectangle = new Rectangle();
-  private viewCircle: Circle = new Circle(vec2.create(), 0);
-  private uniforms: any;
+  private viewCircle: Circle = new Circle();
+
   private cursorPosition = vec2.create();
+
   private distanceFieldFrameBuffer: IntermediateFrameBuffer;
   private lightingFrameBuffer: DefaultFrameBuffer;
   private distanceProgram: IProgram;
   private lightingProgram: IProgram;
 
   private primitives: Array<IPrimitive>;
-
-  private tileMultiplier = 5;
-
-  private targetDeltaTime = (1 / 30) * 1000;
-  private deltaTimeError = (1 / 1000) * 1000;
-  private additiveQualityIncrease = 0.03;
-  private multiplicativeQualityDecrease = 1.2;
-  private timeSinceLastAdjusment = 0;
-  private adjusmentRate = 300;
-  private maxRenderScale = 1.5;
-  private minRenderScale = 0.2;
-
-  private exponentialDecayedDeltaTime = 0.0;
-
-  private configureRenderScale(deltaTime: DOMHighResTimeStamp) {
-    this.timeSinceLastAdjusment += deltaTime;
-    if (this.timeSinceLastAdjusment < this.adjusmentRate) {
-      return;
-    }
-    this.timeSinceLastAdjusment = 0;
-
-    this.exponentialDecayedDeltaTime =
-      (15 / 16) * this.exponentialDecayedDeltaTime + deltaTime / 16;
-
-    if (
-      this.exponentialDecayedDeltaTime <=
-      this.targetDeltaTime - this.deltaTimeError
-    ) {
-      this.distanceFieldFrameBuffer.renderScale +=
-        this.additiveQualityIncrease / 3;
-      this.lightingFrameBuffer.renderScale += this.additiveQualityIncrease;
-    } else if (
-      this.exponentialDecayedDeltaTime >
-      this.targetDeltaTime + this.deltaTimeError
-    ) {
-      this.distanceFieldFrameBuffer.renderScale /= this.multiplicativeQualityDecrease;
-      this.lightingFrameBuffer.renderScale /= this.multiplicativeQualityDecrease;
-    }
-
-    this.distanceFieldFrameBuffer.renderScale = clamp(
-      this.distanceFieldFrameBuffer.renderScale,
-      0.1,
-      this.maxRenderScale
-    );
-    this.lightingFrameBuffer.renderScale = clamp(
-      this.lightingFrameBuffer.renderScale,
-      this.minRenderScale,
-      this.maxRenderScale
-    );
-
-    InfoText.modifyRecord(
-      'dt decay',
-      this.exponentialDecayedDeltaTime.toFixed(2)
-    );
-    InfoText.modifyRecord(
-      'q1',
-      this.distanceFieldFrameBuffer.renderScale.toFixed(2)
-    );
-    InfoText.modifyRecord(
-      'q2',
-      this.lightingFrameBuffer.renderScale.toFixed(2)
-    );
-  }
+  private lights: Array<ILight>;
 
   constructor(
     private canvas: HTMLCanvasElement,
     private overlay: HTMLElement,
     shaderSources: Array<[string, string]>
   ) {
-    this.gl = this.canvas.getContext('webgl2');
-    if (!this.gl) {
-      throw new Error('WebGl2 is not supported');
-    }
-
+    this.getContext();
     this.createPipeline(shaderSources);
-
-    this.distanceFieldFrameBuffer.renderScale = 0.5;
-    this.lightingFrameBuffer.renderScale = 1;
+    this.setupAutoscaling();
 
     try {
       this.stopwatch = new WebGlStopwatch(this.gl);
     } catch {}
   }
 
+  private getContext() {
+    this.gl = this.canvas.getContext('webgl2');
+    if (!this.gl) {
+      throw new Error('WebGl2 is not supported');
+    }
+  }
+
   private createPipeline(shaderSources: Array<[string, string]>) {
-    const distanceScale = 64;
+    const distanceScale = settings.shaderUniforms.distanceScale;
 
     this.distanceFieldFrameBuffer = new IntermediateFrameBuffer(this.gl);
     this.distanceProgram = new UniformArrayAutoScalingProgram(
       this.gl,
       shaderSources[0][0],
       shaderSources[0][1],
-      { distanceScale },
+      { ...settings.shaderUniforms },
       {
         getValueFromUniforms: (v) => (v.lines ? v.lines.length / 2 : 0),
         uniformArraySizeName: 'lineCount',
@@ -134,7 +79,7 @@ export class WebGl2Renderer implements IRenderer {
       this.gl,
       shaderSources[1][0],
       shaderSources[1][1],
-      { distanceScale },
+      { ...settings.shaderUniforms },
       {
         getValueFromUniforms: (v) => (v.lights ? v.lights.length : 0),
         uniformArraySizeName: 'lightCount',
@@ -146,25 +91,81 @@ export class WebGl2Renderer implements IRenderer {
     );
   }
 
+  private setupAutoscaling() {
+    this.qualityScaler = new Autoscaler(
+      [
+        (v) => (this.lightingFrameBuffer.renderScale = v),
+        (v) => (this.distanceFieldFrameBuffer.renderScale = v),
+      ],
+      settings.qualityScaling.scaleTargets,
+      settings.qualityScaling.startingTargetIndex,
+      settings.qualityScaling.scalingOptions
+    );
+  }
+
+  private timeSinceLastAdjusment = 0;
+  private exponentialDecayedDeltaTime = 0.0;
+  private configureQuality(deltaTime: DOMHighResTimeStamp) {
+    this.timeSinceLastAdjusment += deltaTime;
+    if (
+      this.timeSinceLastAdjusment >=
+      settings.qualityScaling.adjusmentRateInMilliseconds
+    ) {
+      this.timeSinceLastAdjusment = 0;
+      this.exponentialDecayedDeltaTime = exponentialDecay(
+        this.exponentialDecayedDeltaTime,
+        deltaTime,
+        settings.qualityScaling.deltaTimeResponsiveness
+      );
+
+      if (
+        this.exponentialDecayedDeltaTime <=
+        settings.qualityScaling.targetDeltaTimeInMilliseconds -
+          settings.qualityScaling.deltaTimeError
+      ) {
+        this.qualityScaler.increase();
+      } else if (
+        this.exponentialDecayedDeltaTime >
+        settings.qualityScaling.targetDeltaTimeInMilliseconds +
+          settings.qualityScaling.deltaTimeError
+      ) {
+        this.qualityScaler.decrease();
+      }
+    }
+
+    InfoText.modifyRecord(
+      'quality',
+      `${toPercent(this.distanceFieldFrameBuffer.renderScale)}, ${toPercent(
+        this.lightingFrameBuffer.renderScale
+      )}`
+    );
+  }
+
   public drawPrimitive(primitive: IPrimitive) {
     this.primitives.push(primitive);
   }
 
+  public drawLight(light: ILight) {
+    this.lights.push(light);
+  }
+
   public startFrame(deltaTime: DOMHighResTimeStamp): void {
-    this.configureRenderScale(deltaTime);
+    this.configureQuality(deltaTime);
     this.primitives = [];
+    this.lights = [];
 
     this.stopwatch?.start();
-    this.uniforms = {};
     this.distanceFieldFrameBuffer.setSize();
     this.lightingFrameBuffer.setSize();
   }
 
   public finishFrame() {
-    this.calculateOwnUniforms();
+    const uniforms: any = this.calculateOwnUniforms();
+
+    this.lights.forEach((l) => l.serializeToUniforms(uniforms));
 
     this.distanceFieldFrameBuffer.bindAndClear();
-    const q = 1 / this.tileMultiplier;
+    const q = 1 / settings.tileMultiplier;
     const uvSize = vec2.fromValues(q, q);
 
     const possiblyOnScreenPrimitives = this.primitives.filter(
@@ -179,19 +180,19 @@ export class WebGl2Renderer implements IRenderer {
     const origin = vec2.transformMat2d(
       vec2.create(),
       vec2.fromValues(0, 0),
-      this.uniforms.uvToWorld
+      uniforms.uvToWorld
     );
 
     const firstCenter = vec2.transformMat2d(
       vec2.create(),
       vec2.fromValues(q, q),
-      this.uniforms.uvToWorld
+      uniforms.uvToWorld
     );
 
     vec2.subtract(firstCenter, firstCenter, origin);
 
     const worldR = vec2.length(firstCenter);
-    this.uniforms.maxMinDistance = 2 * worldR;
+    uniforms.maxMinDistance = 2 * worldR;
 
     let sumLineCount = 0;
 
@@ -203,7 +204,7 @@ export class WebGl2Renderer implements IRenderer {
         const tileCenterWorldCoordinates = vec2.transformMat2d(
           vec2.create(),
           vec2.add(vec2.create(), uvBottomLeft, vec2.fromValues(q, q)),
-          this.uniforms.uvToWorld
+          uniforms.uvToWorld
         );
 
         const primitivesNearTile = possiblyOnScreenPrimitives.filter(
@@ -212,36 +213,35 @@ export class WebGl2Renderer implements IRenderer {
 
         sumLineCount += primitivesNearTile.length;
 
-        this.uniforms.lines = [];
-        this.uniforms.radii = [];
+        uniforms.lines = [];
+        uniforms.radii = [];
 
-        for (let tunnel of primitivesNearTile) {
-          this.uniforms.lines.push(tunnel.from);
-          this.uniforms.lines.push(tunnel.toFromDelta);
-          this.uniforms.radii.push(tunnel.fromRadius);
-          this.uniforms.radii.push(tunnel.toRadius);
-        }
+        primitivesNearTile.forEach((p) => p.serializeToUniforms(uniforms));
 
-        this.distanceProgram.bindAndSetUniforms(this.uniforms);
+        this.distanceProgram.bindAndSetUniforms(uniforms);
         this.distanceProgram.draw();
       }
     }
 
     InfoText.modifyRecord(
       'lines',
-      (sumLineCount / this.tileMultiplier / this.tileMultiplier).toFixed(2)
+      (
+        sumLineCount /
+        settings.tileMultiplier /
+        settings.tileMultiplier
+      ).toFixed(2)
     );
 
     this.lightingFrameBuffer.bindAndClear(
       this.distanceFieldFrameBuffer.colorTexture
     );
-    this.lightingProgram.bindAndSetUniforms(this.uniforms);
+    this.lightingProgram.bindAndSetUniforms(uniforms);
     this.lightingProgram.draw();
 
     this.stopwatch?.stop();
   }
 
-  private calculateOwnUniforms() {
+  private calculateOwnUniforms(): any {
     const distanceScreenToWorld = this.getScreenToWorldTransform(
       this.distanceFieldFrameBuffer.getSize()
     );
@@ -267,14 +267,14 @@ export class WebGl2Renderer implements IRenderer {
 
     const cursorPosition = this.screenUvToWorldCoordinate(this.cursorPosition);
 
-    this.giveUniforms({
+    return {
       distanceScreenToWorld,
       worldToDistanceUV,
       cursorPosition,
       ndcToUv,
       uvToWorld,
       viewBoxSize: this.viewBox.size,
-    });
+    };
   }
 
   private getScreenToWorldTransform(screenSize: vec2) {
@@ -304,26 +304,18 @@ export class WebGl2Renderer implements IRenderer {
 
   public setCameraPosition(position: vec2) {
     this.viewBox.topLeft = position;
+    const halfDiagonal = vec2.scale(vec2.create(), this.viewBox.size, 0.5);
+    this.viewCircle.center = vec2.add(
+      vec2.create(),
+      this.viewBox.topLeft,
+      halfDiagonal
+    );
   }
 
   public setCursorPosition(position: vec2): void {
     this.cursorPosition = position;
   }
 
-  public appendToUniformList(listName: string, ...values: any[]): void {
-    if (!this.uniforms.hasOwnProperty(listName)) {
-      this.uniforms[listName] = [];
-    }
-
-    for (let value of values) {
-      this.uniforms[listName].push(value);
-    }
-  }
-
-  public giveUniforms(uniforms: any): void {
-    this.uniforms = { ...this.uniforms, ...uniforms };
-  }
-
   public setInViewArea(size: number): vec2 {
     const canvasAspectRatio =
       this.canvas.clientWidth / this.canvas.clientHeight;
@@ -350,12 +342,4 @@ export class WebGl2Renderer implements IRenderer {
       this.overlay.innerText = text;
     }
   }
-
-  public isOnScreen(boundingCircle: Circle): boolean {
-    return this.viewCircle.areIntersecting(boundingCircle);
-  }
-
-  public isPositionOnScreen(position: vec2): boolean {
-    return this.viewCircle.isInside(position);
-  }
 }

frontend/src/scripts/game.ts

@@ -7,7 +7,7 @@ import { CommandBroadcaster } from './commands/command-broadcaster';
 import { BeforeRenderCommand } from './commands/types/before-render';
 import { RenderCommand } from './commands/types/draw';
 import { StepCommand } from './commands/types/step';
-import { WebGl2Renderer } from './drawing/webgl2-renderer';
+import { WebGl2Renderer } from './drawing/rendering/webgl2-renderer';
 import { timeIt } from './helper/timing';
 import { KeyboardListener } from './input/keyboard-listener';
 import { MouseListener } from './input/mouse-listener';

frontend/src/scripts/helper/exponential-decay.ts

@@ -0,0 +1,5 @@
+export const exponentialDecay = (
+  accumulator: number,
+  nextValue: number,
+  biasOfNextValue: number
+) => accumulator * (1 - biasOfNextValue) + nextValue * biasOfNextValue;

frontend/src/scripts/helper/to-percent.ts

@@ -0,0 +1 @@
+export const toPercent = (value: number) => `${Math.round(value * 100)}%`;

frontend/src/scripts/objects/game-object.ts

@@ -2,9 +2,8 @@ import { vec2 } from 'gl-matrix';
 import { Command } from '../commands/command';
 import { CommandReceiver } from '../commands/command-receiver';
 import { IdentityManager } from '../identity/identity-manager';
-import { Typed } from '../transport/serializable';
 
-export abstract class GameObject extends Typed implements CommandReceiver {
+export abstract class GameObject implements CommandReceiver {
   public readonly id = IdentityManager.generateId();
 
   protected _position = vec2.create();
@@ -21,12 +20,12 @@ export abstract class GameObject extends Typed implements CommandReceiver {
     [commandType: string]: (e: Command) => void;
   } = {};
 
-  // can only be called inside the constructor 
+  // can only be called inside the constructor
   protected addCommandExecutor<T extends Command>(
     commandType: new () => T,
     handler: (command: T) => void
   ) {
-    this.commandExecutors[commandType.name] = handler;
+    this.commandExecutors[new commandType().type] = handler;
   }
 
   public reactsToCommand(commandType: string): boolean {
@@ -34,7 +33,7 @@ export abstract class GameObject extends Typed implements CommandReceiver {
   }
 
   public sendCommand(command: Command) {
-    const commandType = command.constructor.name;
+    const commandType = command.type;
 
     if (this.commandExecutors.hasOwnProperty(commandType)) {
       this.commandExecutors[commandType](command);

frontend/src/scripts/objects/types/camera.ts

@@ -4,13 +4,13 @@ import { CursorMoveCommand } from '../../commands/types/cursor-move-command';
 import { MoveToCommand } from '../../commands/types/move-to';
 import { ZoomCommand } from '../../commands/types/zoom';
 import { GameObject } from '../game-object';
-import { CircleLight } from './circle-light';
+import { Lamp } from './lamp';
 
 export class Camera extends GameObject {
   private inViewArea = 1920 * 1080 * 5;
   private cursorPosition = vec2.create();
 
-  constructor(private light: CircleLight) {
+  constructor(private light: Lamp) {
     super();
 
     this.addCommandExecutor(BeforeRenderCommand, this.draw.bind(this));

frontend/src/scripts/objects/types/circle-light.ts

@@ -1,39 +0,0 @@
-import { vec2, vec3 } from 'gl-matrix';
-import { RenderCommand } from '../../commands/types/draw';
-import { MoveToCommand } from '../../commands/types/move-to';
-import { Circle } from '../../drawing/primitives/circle';
-import { GameObject } from '../game-object';
-
-const range = 2000;
-
-export class CircleLight extends GameObject {
-  private boundingCircle: Circle;
-
-  constructor(
-    private center: vec2,
-    private radius: number,
-    private value: vec3
-  ) {
-    super();
-
-    this.boundingCircle = new Circle(center, range);
-
-    this.addCommandExecutor(RenderCommand, this.draw.bind(this));
-    this.addCommandExecutor(MoveToCommand, this.moveTo.bind(this));
-  }
-
-  private draw(c: RenderCommand) {
-    if (c.renderer.isPositionOnScreen(this.center)) {
-      c.renderer.appendToUniformList('lights', {
-        center: this.center,
-        radius: this.radius,
-        value: this.value,
-      });
-    }
-  }
-
-  private moveTo(c: MoveToCommand) {
-    this.center = c.position;
-    this.boundingCircle.center = c.position;
-  }
-}

frontend/src/scripts/objects/types/lamp.ts

@@ -0,0 +1,28 @@
+import { vec2, vec3 } from 'gl-matrix';
+import { RenderCommand } from '../../commands/types/draw';
+import { MoveToCommand } from '../../commands/types/move-to';
+import { GameObject } from '../game-object';
+import { CircleLight } from '../../drawing/lights/circle-light';
+
+const range = 2000;
+
+export class Lamp extends GameObject {
+  private light: CircleLight;
+
+  constructor(center: vec2, radius: number, color: vec3, lightness: number) {
+    super();
+
+    this.light = new CircleLight(center, radius, color, lightness);
+
+    this.addCommandExecutor(RenderCommand, this.draw.bind(this));
+    this.addCommandExecutor(MoveToCommand, this.moveTo.bind(this));
+  }
+
+  private draw(c: RenderCommand) {
+    c.renderer.drawLight(this.light);
+  }
+
+  private moveTo(c: MoveToCommand) {
+    this.light.center = c.position;
+  }
+}

frontend/src/scripts/objects/world/create-character.ts

@@ -2,13 +2,14 @@ import { vec2, vec3 } from 'gl-matrix';
 import { ObjectContainer } from '../object-container';
 import { Camera } from '../types/camera';
 import { Character } from '../types/character';
-import { CircleLight } from '../types/circle-light';
+import { Lamp } from '../types/lamp';
 
 export const createCharacter = (objects: ObjectContainer) => {
-  const light = new CircleLight(
+  const light = new Lamp(
     vec2.create(),
     40,
-    vec3.fromValues(0.67, 0.0, 0.33)
+    vec3.fromValues(0.67, 0.0, 0.33),
+    2
   );
 
   const camera = new Camera(light);

frontend/src/scripts/objects/world/create-dungeon.ts

@@ -1,6 +1,6 @@
 import { vec2, vec3 } from 'gl-matrix';
 import { ObjectContainer } from '../object-container';
-import { CircleLight } from '../types/circle-light';
+import { Lamp } from '../types/lamp';
 import { Tunnel } from '../types/tunnel';
 
 export const createDungeon = (objects: ObjectContainer) => {
@@ -19,14 +19,15 @@ export const createDungeon = (objects: ObjectContainer) => {
 
     if (deltaHeight > 0 && Math.random() > 0.8) {
       objects.addObject(
-        new CircleLight(
+        new Lamp(
           currentEnd,
           Math.random() * 20 + 30,
           vec3.scale(
             vec3.create(),
             vec3.normalize(vec3.create(), vec3.fromValues(0.5, 0.1, 0.8)),
             Math.random() * 0.5 + 0.5
-          )
+          ),
+          1
         )
       );
     }

frontend/src/scripts/transport/serializable.ts

@@ -1,7 +1,5 @@
-export class Typed {
-  public get type(): string {
-    return this.constructor.name;
-  }
+export abstract class Typed {
+  public abstract get type(): string;
 
   public toJSON() {
     return { type: this.type, ...this };

frontend/src/shaders/cave-distance-fs.glsl

@@ -7,13 +7,14 @@ precision mediump float;
 #define CAVE_COLOR vec3(0.36, 0.38, 0.76)
 #define AIR_COLOR vec3(0.7)
 #define DISTANCE_SCALE {distanceScale}
+#define EDGE_SMOOTHING {edgeSmoothing}
  
 uniform float maxMinDistance; 
 
 #if LINES_ENABLED
     // start, end - start
     uniform vec2[LINE_COUNT * 2] lines;
-    // startRadius, endRadois
+    // startRadius, endRadius
     uniform float[LINE_COUNT * 2] radii;
 #endif
 
@@ -37,7 +38,7 @@ void main() {
 
         float distance = -minDistance;
         fragmentColor = vec4(
-            mix(CAVE_COLOR, AIR_COLOR, clamp(distance, -10.0, 0.0) / 10.0 + 1.0),
+            mix(CAVE_COLOR, AIR_COLOR, clamp(distance, -EDGE_SMOOTHING, 0.0) / EDGE_SMOOTHING + 1.0),
             distance / DISTANCE_SCALE
         );
     #else

frontend/src/shaders/lights-shading-fs.glsl

@@ -4,11 +4,11 @@ precision mediump float;
 
 #define INFINITY 1000.0
 #define AMBIENT_LIGHT vec3(0.15)
-#define LIGHT_DROP 400.0
-#define MIN_STEP 3.0
-#define EDGE_SMOOTHING 5.0
-#define LIGHT_COUNT {lightCount}
+#define LIGHT_DROP 500.0
+#define MIN_STEP 1.0
+#define LIGHT_COUNT 1
 #define DISTANCE_SCALE {distanceScale}
+#define EDGE_SMOOTHING {edgeSmoothing}
 
 uniform struct Light {
     vec2 center;
@@ -48,10 +48,14 @@ float getFractionOfLightArriving(
         float minDistance = getDistance(target + direction * rayLength);
         movingAverageMeanDistance = movingAverageMeanDistance / 2.0 + minDistance / 2.0;
         q = min(q, movingAverageMeanDistance / rayLength);
-        rayLength = min(lightDistance, rayLength + max(MIN_STEP, minDistance));
+
+        rayLength += max(MIN_STEP, minDistance);
+        if (rayLength > lightDistance) {
+            return clamp(q * (lightDistance + lightRadius) / lightRadius, 0.0, 1.0);
+        }
     }
 
-    return clamp(q * (lightDistance + lightRadius) / lightRadius, 0.0, 1.0);
+    return 0.0;
 }
 
 in vec2 worldCoordinates;

frontend/src/shaders/passthrough-shading-vs.glsl

@@ -2,8 +2,7 @@
 
 precision mediump float;
 
-#define LIGHT_COUNT {lightCount}
-
+#define LIGHT_COUNT 1
 uniform mat3 ndcToUv;
 uniform mat3 uvToWorld;
 

frontend/webpack.config.js

@@ -22,21 +22,21 @@ module.exports = {
     minimize: true,
     minimizer: [
       new TerserJSPlugin({
-        sourceMap: !isProduction,
+        sourceMap: isDevelopment,
         cache: true,
         terserOptions: {
           ecma: 5,
-          warnings: false,
+          warnings: true,
           parse: {},
-          compress: {},
+          compress: { defaults: true },
           mangle: true,
           module: false,
           output: null,
-          toplevel: false,
+          toplevel: true,
           nameCache: null,
           ie8: false,
-          keep_classnames: true,
-          keep_fnames: true,
+          keep_classnames: false,
+          keep_fnames: false,
           safari10: false,
         },
       }),