Make descriptor access faster

src/drawables/drawable.ts

@@ -2,9 +2,8 @@ import { mat2d, vec2 } from 'gl-matrix';
 import { DrawableDescriptor } from './drawable-descriptor';
 
 export abstract class Drawable {
-  static get descriptor(): DrawableDescriptor {
-    throw new Error('This getter should be overriden');
-  }
+  // This should be overriden by inherited classes
+  public static readonly descriptor: DrawableDescriptor;
 
   public abstract distance(target: vec2): number;
 

src/drawables/lights/circle-light.ts

@@ -3,14 +3,12 @@ import { Drawable } from '../drawable';
 import { DrawableDescriptor } from '../drawable-descriptor';
 
 export class CircleLight extends Drawable {
-  public static get descriptor(): DrawableDescriptor {
-    return {
+  public static readonly descriptor: DrawableDescriptor = {
     uniformName: 'circleLights',
     uniformCountMacroName: 'CIRCLE_LIGHT_COUNT',
     shaderCombinationSteps: [0, 1, 2, 4],
     empty: new CircleLight(vec2.fromValues(0, 0), vec3.fromValues(0, 0, 0), 0),
   };
-  }
 
   constructor(public center: vec2, public color: vec3, public intensity: number) {
     super();

src/drawables/lights/flashlight.ts

@@ -3,8 +3,7 @@ import { Drawable } from '../drawable';
 import { DrawableDescriptor } from '../drawable-descriptor';
 
 export class Flashlight extends Drawable {
-  public static get descriptor(): DrawableDescriptor {
-    return {
+  public static readonly descriptor: DrawableDescriptor = {
     uniformName: 'flashlights',
     uniformCountMacroName: 'FLASHLIGHT_COUNT',
     shaderCombinationSteps: [0, 1, 2, 4],
@@ -15,7 +14,6 @@ export class Flashlight extends Drawable {
       0
     ),
   };
-  }
 
   public constructor(
     public center: vec2,

src/drawables/shapes/circle.ts

@@ -3,8 +3,7 @@ import { Drawable } from '../drawable';
 import { DrawableDescriptor } from '../drawable-descriptor';
 
 export class Circle extends Drawable {
-  public static get descriptor(): DrawableDescriptor {
-    return {
+  public static descriptor: DrawableDescriptor = {
     sdf: {
       shader: `
           uniform struct {
@@ -32,7 +31,6 @@ export class Circle extends Drawable {
     shaderCombinationSteps: [0, 1, 2, 3, 16, 32],
     empty: new Circle(vec2.fromValues(0, 0), 0),
   };
-  }
 
   constructor(public center: vec2, public radius: number) {
     super();

src/drawables/shapes/inverted-tunnel.ts

@@ -5,8 +5,7 @@ import { Drawable } from '../drawable';
 import { DrawableDescriptor } from '../drawable-descriptor';
 
 export class InvertedTunnel extends Drawable {
-  public static get descriptor(): DrawableDescriptor {
-    return {
+  public static descriptor: DrawableDescriptor = {
     sdf: {
       shader: `
           uniform struct InvertedTunnel {
@@ -51,7 +50,6 @@ export class InvertedTunnel extends Drawable {
     shaderCombinationSteps: [0, 1, 4, 16, 32],
     empty: new InvertedTunnel(vec2.fromValues(0, 0), vec2.fromValues(0, 0), 0, 0),
   };
-  }
 
   constructor(
     public readonly from: vec2,

src/drawables/shapes/tunnel.ts

@@ -5,8 +5,7 @@ import { Drawable } from '../drawable';
 import { DrawableDescriptor } from '../drawable-descriptor';
 
 export class Tunnel extends Drawable {
-  public static get descriptor(): DrawableDescriptor {
-    return {
+  public static descriptor: DrawableDescriptor = {
     sdf: {
       shader: `
           uniform struct Tunnel {
@@ -56,7 +55,6 @@ export class Tunnel extends Drawable {
       0
     ),
   };
-  }
 
   constructor(
     public readonly from: vec2,