end my suffer

src/config-hot.ts

@@ -4,8 +4,8 @@ export const
   RTINSPECTOR_CAPTURE_NAME: string | null = null,
   // RTINSPECTOR_CAPTURE_NAME: string | null = 'Bloom/swap1',
   // RTINSPECTOR_CAPTURE_NAME: string | null = 'main/postSwap0',
-  // RTINSPECTOR_CAPTURE_NAME: string | null = 'CameraEntity/cameraTarget',
+  // RTINSPECTOR_CAPTURE_NAME: string | null = 'DeferredCamera/cameraTarget',
   RTINSPECTOR_CAPTURE_INDEX = 0,
   COMPONENT_UPDATE_BREAKPOINT: string | null = null,
-  // COMPONENT_UPDATE_BREAKPOINT: string | null = 'Bloom/quadUp1',
+  // COMPONENT_UPDATE_BREAKPOINT: string | null = 'ForwardCamera/camera',
   COMPONENT_DRAW_BREAKPOINT: string | null = null;

src/config.ts

@@ -5,7 +5,7 @@ export const
   AO_RESOLUTION_RATIO = 1.0,
   RESOLUTION = [ 1280, 720 ],
   MUSIC_BPM = 180,
-  START_POSITION = 36,
+  START_POSITION = 45,
   MUSIC_LENGTH = 213,
   MUSIC_AUTOMATON_TEXTURE_HEIGHT = 16,
   IBLLUT_ITER = 400,

src/entities/Condition.ts

@@ -102,7 +102,7 @@ export class Condition extends Entity {
     geometry.primcount = 12 * 16;
 
     // -- create materials -------------------------------------------------------------------------
-    const forward = new Material(
+    const cubemap = new Material(
       conditionVert,
       conditionFrag,
       {
@@ -129,7 +129,7 @@ export class Condition extends Entity {
       },
     );
 
-    const materials = { forward, deferred, depth };
+    const materials = { cubemap, deferred, depth };
 
     objectValuesMap( materials, ( material ) => {
       material.addUniformTexture( 'samplerSvg', texture );
@@ -155,7 +155,7 @@ export class Condition extends Entity {
             '../shaders/condition.frag',
           ],
           () => {
-            forward.replaceShader( conditionVert, conditionFrag );
+            cubemap.replaceShader( conditionVert, conditionFrag );
             deferred.replaceShader( conditionVert, conditionFrag );
             depth.replaceShader( conditionVert, conditionFrag );
           },

src/entities/CubemapCameraEntity.ts

@@ -3,7 +3,6 @@ import { CubemapCamera } from '../heck/components/CubemapCamera';
 import { CubemapRenderTarget } from '../heck/CubemapRenderTarget';
 import { Entity } from '../heck/Entity';
 import { LightEntity } from './LightEntity';
-import { PerspectiveCamera } from '../heck/components/PerspectiveCamera';
 
 export interface CubemapCameraEntityOptions {
   scenes: Entity[];
@@ -12,7 +11,7 @@ export interface CubemapCameraEntityOptions {
 
 export class CubemapCameraEntity extends Entity {
   public scenes: Entity[];
-  public camera: PerspectiveCamera;
+  public camera: CubemapCamera;
   public readonly target: CubemapRenderTarget;
 
   public constructor( options: CubemapCameraEntityOptions ) {
@@ -31,7 +30,7 @@ export class CubemapCameraEntity extends Entity {
       near: 1.0,
       far: 20.0,
       name: 'CubemapCameraEntity/camera',
-      materialTag: 'forward',
+      materialTag: 'cubemap',
     } );
     this.components.push( this.camera );
   }

src/entities/DeferredCamera.ts

@@ -25,10 +25,12 @@ export interface DeferredCameraOptions {
 }
 
 export class DeferredCamera extends Entity {
+  public cameraTarget: BufferRenderTarget;
+
   public constructor( options: DeferredCameraOptions ) {
     super();
 
-    const cameraTarget = new BufferRenderTarget( {
+    this.cameraTarget = new BufferRenderTarget( {
       width: options.target.width,
       height: options.target.height,
       numBuffers: 4,
@@ -37,7 +39,7 @@ export class DeferredCamera extends Entity {
 
     const camera = new PerspectiveCamera( {
       scenes: options.scenes,
-      renderTarget: cameraTarget,
+      renderTarget: this.cameraTarget,
       near: 0.1,
       far: 20.0,
       name: 'DeferredCamera/camera',
@@ -75,7 +77,7 @@ export class DeferredCamera extends Entity {
     for ( let i = 0; i < 2; i ++ ) { // it doesn't need 2 and 3
       aoMaterial.addUniformTexture(
         'sampler' + i,
-        cameraTarget.getTexture( gl.COLOR_ATTACHMENT0 + i )
+        this.cameraTarget.getTexture( gl.COLOR_ATTACHMENT0 + i )
       );
     }
 
@@ -161,6 +163,12 @@ export class DeferredCamera extends Entity {
           lights.map( ( light ) => light.color ).flat(),
         );
 
+        shadingMaterial.addUniformVector(
+          'lightParams',
+          '4fv',
+          lights.map( ( light ) => [ light.spotness, 0.0, 0.0, 0.0 ] ).flat(),
+        );
+
         shadingMaterial.addUniformMatrixVector(
           'lightPV',
           'Matrix4fv',
@@ -182,7 +190,7 @@ export class DeferredCamera extends Entity {
     for ( let i = 0; i < 4; i ++ ) {
       shadingMaterial.addUniformTexture(
         'sampler' + i,
-        cameraTarget.getTexture( gl.COLOR_ATTACHMENT0 + i )
+        this.cameraTarget.getTexture( gl.COLOR_ATTACHMENT0 + i )
       );
     }
 

src/entities/FlickyParticles.ts

@@ -3,7 +3,7 @@ import { GPUParticles } from './GPUParticles';
 import { InstancedGeometry } from '../heck/InstancedGeometry';
 import { Material } from '../heck/Material';
 import { TRIANGLE_STRIP_QUAD } from '@fms-cat/experimental';
-import { dummyRenderTarget, dummyRenderTargetFourDrawBuffers } from '../globals/dummyRenderTarget';
+import { dummyRenderTarget } from '../globals/dummyRenderTarget';
 import { gl, glCat } from '../globals/canvas';
 import { objectValuesMap } from '../utils/objectEntriesMap';
 import { quadGeometry } from '../globals/quadGeometry';
@@ -78,25 +78,16 @@ export class FlickyParticles extends Entity {
       },
     );
 
-    const deferred = new Material(
+    const depth = new Material(
       flickyParticleRenderVert,
       flickyParticleRenderFrag,
       {
-        defines: [ 'DEFERRED 1' ],
-        initOptions: { geometry: geometryRender, target: dummyRenderTargetFourDrawBuffers },
-      },
-    );
-
-    const shadow = new Material(
-      flickyParticleRenderVert,
-      flickyParticleRenderFrag,
-      {
-        defines: [ 'SHADOW 1' ],
+        defines: [ 'DEPTH 1' ],
         initOptions: { geometry: geometryRender, target: dummyRenderTarget },
       },
     );
 
-    const materialsRender = { forward, deferred, shadow };
+    const materialsRender = { forward, cubemap: forward, depth };
 
     objectValuesMap( materialsRender, ( material ) => {
       material.addUniformTexture( 'samplerRandomStatic', randomTextureStatic.texture );
@@ -111,8 +102,7 @@ export class FlickyParticles extends Entity {
           ],
           () => {
             forward.replaceShader( flickyParticleRenderVert, flickyParticleRenderFrag );
-            deferred.replaceShader( flickyParticleRenderVert, flickyParticleRenderFrag );
-            shadow.replaceShader( flickyParticleRenderVert, flickyParticleRenderFrag );
+            depth.replaceShader( flickyParticleRenderVert, flickyParticleRenderFrag );
           }
         );
       }

src/entities/ForwardCamera.ts

@@ -18,7 +18,7 @@ export class ForwardCamera extends Entity {
       renderTarget: options.target,
       near: 0.1,
       far: 20.0,
-      name: 'CameraEntity/camera',
+      name: 'ForwardCamera/camera',
       materialTag: 'forward',
     } );
     camera.clear = false;

src/entities/LightEntity.ts

@@ -14,22 +14,34 @@ export interface LightEntityOptions {
   shadowMapFov?: number;
   shadowMapNear?: number;
   shadowMapFar?: number;
-  shadowMapWidth?: number;
-  shadowMapHeight?: number;
+  shadowMapSize?: number;
   namePrefix?: string;
 }
 
 export class LightEntity extends Entity {
+  public spotness: number = 0.0;
   public color: [ number, number, number ] = [ 1.0, 1.0, 1.0 ];
   public camera: PerspectiveCamera;
   public shadowMap: BufferRenderTarget;
 
+  public get shadowMapFov(): number {
+    return this.camera.fov;
+  }
+
+  public get shadowMapNear(): number {
+    return this.camera.near;
+  }
+
+  public get shadowMapFar(): number {
+    return this.camera.far;
+  }
+
   public constructor( options: LightEntityOptions ) {
     super();
 
     const swapOptions = {
-      width: options.shadowMapWidth ?? 1024,
-      height: options.shadowMapHeight ?? 1024
+      width: options.shadowMapSize ?? 1024,
+      height: options.shadowMapSize ?? 1024,
     };
 
     const swap = new Swap(

src/entities/LightShaft.ts

@@ -0,0 +1,106 @@
+import { BufferRenderTarget } from '../heck/BufferRenderTarget';
+import { Entity } from '../heck/Entity';
+import { Geometry } from '../heck/Geometry';
+import { Lambda } from '../heck/components/Lambda';
+import { LightEntity } from './LightEntity';
+import { Material } from '../heck/Material';
+import { Mesh } from '../heck/components/Mesh';
+import { dummyRenderTarget } from '../globals/dummyRenderTarget';
+import { genCube } from '../geometries/genCube';
+import { gl } from '../globals/canvas';
+import { randomTexture } from '../globals/randomTexture';
+import lightShaftFrag from '../shaders/light-shaft.frag';
+import lightShaftVert from '../shaders/light-shaft.vert';
+
+interface LightShaftOptions {
+  light: LightEntity;
+  namePrefix?: string;
+}
+
+export class LightShaft extends Entity {
+  private __forward: Material;
+
+  public constructor( { light, namePrefix }: LightShaftOptions ) {
+    super();
+
+    // -- geometry ---------------------------------------------------------------------------------
+    const cube = genCube();
+
+    const geometry = new Geometry();
+
+    geometry.vao.bindVertexbuffer( cube.position, 0, 3 );
+    geometry.vao.bindIndexbuffer( cube.index );
+
+    geometry.count = cube.count;
+    geometry.mode = cube.mode;
+    geometry.indexType = cube.indexType;
+
+    // -- materials --------------------------------------------------------------------------------
+    const forward = this.__forward = new Material(
+      lightShaftVert,
+      lightShaftFrag,
+      {
+        initOptions: { geometry: geometry, target: dummyRenderTarget },
+        blend: [ gl.ONE, gl.ONE ],
+      },
+    );
+
+    forward.addUniformTexture( 'samplerRandom', randomTexture.texture );
+    forward.addUniformTexture( 'samplerShadow', light.shadowMap.texture );
+
+    const materials = { forward };
+
+    // -- updater ----------------------------------------------------------------------------------
+    this.components.push( new Lambda( {
+      onDraw: ( event ) => {
+        forward.addUniform( 'lightFov', '1f', light.shadowMapFov );
+        forward.addUniform( 'lightNearFar', '2f', light.shadowMapNear, light.shadowMapFar );
+        forward.addUniform( 'lightPos', '3f', ...light.globalTransformCache.position.elements );
+        forward.addUniform( 'lightColor', '3f', ...light.color );
+
+        forward.addUniformMatrixVector(
+          'lightPV',
+          'Matrix4fv',
+          light.camera.projectionMatrix.multiply(
+            light.globalTransformCache.matrix.inverse!
+          ).elements,
+        );
+
+        forward.addUniform(
+          'cameraNearFar',
+          '2f',
+          event.camera.near,
+          event.camera.far
+        );
+
+        forward.addUniformMatrixVector(
+          'inversePVM',
+          'Matrix4fv',
+          event.projectionMatrix
+            .multiply( event.viewMatrix )
+            .multiply( event.globalTransform.matrix )
+            .inverse!
+            .elements
+        );
+      },
+      name: process.env.DEV && `${ namePrefix }/updater`,
+    } ) );
+
+    // -- mesh -------------------------------------------------------------------------------------
+    const mesh = new Mesh( {
+      geometry,
+      materials,
+      name: process.env.DEV && `${ namePrefix }/mesh`,
+    } );
+    mesh.depthTest = false;
+    mesh.depthWrite = false;
+    this.components.push( mesh );
+  }
+
+  /**
+   * どうやってフレームバッファのデプスを取るかわかりませんでした 許してほしい
+   */
+  public setDefferedCameraTarget( deferredCameraTarget: BufferRenderTarget ): void {
+    this.__forward.addUniformTexture( 'samplerDeferred0', deferredCameraTarget.texture );
+  }
+}

src/entities/LightsFirst.ts

@@ -0,0 +1,30 @@
+import { Entity } from '../heck/Entity';
+import { LightEntity } from './LightEntity';
+import { Vector3 } from '@fms-cat/experimental';
+
+interface LightsFirstOptions {
+  scenes: Entity[];
+}
+
+export class LightsFirst extends Entity {
+  public readonly lights: LightEntity[];
+
+  public constructor( { scenes }: LightsFirstOptions ) {
+    super();
+
+    const light = new LightEntity( {
+      scenes,
+      shadowMapFov: 30.0,
+      shadowMapNear: 1.0,
+      shadowMapFar: 20.0,
+      namePrefix: process.env.DEV && 'lightFirst',
+    } );
+
+    light.color = [ 100.0, 100.0, 100.0 ];
+    light.transform.lookAt( new Vector3( [ 4.0, 4.0, 4.0 ] ) );
+
+    this.children.push( light );
+
+    this.lights = [ light ];
+  }
+}

src/entities/LightsPink.ts

@@ -0,0 +1,61 @@
+import { BufferRenderTarget } from '../heck/BufferRenderTarget';
+import { Entity } from '../heck/Entity';
+import { LightEntity } from './LightEntity';
+import { LightShaft } from './LightShaft';
+import { Vector3 } from '@fms-cat/experimental';
+
+interface LightsPinkOptions {
+  scenes: Entity[];
+}
+
+export class LightsPink extends Entity {
+  public readonly lights: LightEntity[];
+  private readonly __shafts: LightShaft[];
+
+  public constructor( { scenes }: LightsPinkOptions ) {
+    super();
+
+    type TypeScriptSucks = [ [ number, number, number ], [ number, number, number ], boolean ][];
+
+    this.__shafts = [];
+
+    this.lights = ( [
+      [ [ 6000.0, 10.0, 200.0 ], [ 8.0, 4.0, -8.0 ], true ],
+      [ [ 6000.0, 10.0, 200.0 ], [ -8.0, 4.0, -8.0 ], true ],
+      [ [ 30.0, 30.0, 30.0 ], [ 0.0, 4.0, 4.0 ], false ],
+    ] as TypeScriptSucks ).map( ( [ color, pos, isSpot ], i ) => {
+      const light = new LightEntity( {
+        scenes,
+        shadowMapFov: isSpot ? 10.0 : 50.0,
+        shadowMapNear: 0.5,
+        shadowMapFar: 20.0,
+        shadowMapSize: isSpot ? 64 : 256,
+        namePrefix: process.env.DEV && `lightPink${ i }/light`,
+      } );
+
+      light.color = color;
+      light.spotness = isSpot ? 0.9 : 0.0;
+      light.transform.lookAt( new Vector3( pos ) );
+
+      this.children.push( light );
+
+      if ( isSpot ) {
+        const shaft = new LightShaft( {
+          light,
+          namePrefix: process.env.DEV && `lightPink${ i }/Shaft`,
+        } );
+
+        this.__shafts.push( shaft );
+        light.children.push( shaft );
+      }
+
+      return light;
+    } );
+  }
+
+  public setDefferedCameraTarget( deferredCameraTarget: BufferRenderTarget ): void {
+    this.__shafts.map( ( shaft ) => {
+      shaft.setDefferedCameraTarget( deferredCameraTarget );
+    } );
+  }
+}

src/entities/Wobbleball.ts

@@ -84,7 +84,7 @@ export class Wobbleball extends Entity {
             'Matrix4fv',
             event.projectionMatrix
               .multiply( event.viewMatrix )
-              .multiply( this.transform.matrix )
+              .multiply( event.globalTransform.matrix )
               .inverse!
               .elements
           );

src/heck/Material.ts

@@ -8,6 +8,7 @@ import { injectCodeToShader } from '../utils/injectCodeToShader';
 export type MaterialTag =
   | 'deferred'
   | 'forward'
+  | 'cubemap'
   | 'depth';
 
 export type MaterialMap = { [ tag in MaterialTag ]?: Material };

src/heck/components/Mesh.ts

@@ -26,6 +26,8 @@ export class Mesh extends Component {
   public materials: MaterialMap;
 
   public cull: MeshCull = MeshCull.Back;
+  public depthWrite = true;
+  public depthTest = true;
 
   public constructor( options: MeshOptions ) {
     super( options );
@@ -56,6 +58,14 @@ export class Mesh extends Component {
       gl.cullFace( meshCullMap[ this.cull ] );
     }
 
+    if ( this.depthTest ) {
+      gl.enable( gl.DEPTH_TEST );
+    } else {
+      gl.disable( gl.DEPTH_TEST );
+    }
+
+    gl.depthMask( this.depthWrite );
+
     material.setUniforms();
 
     program.uniform( 'time', '1f', event.time );

src/heck/components/PerspectiveCamera.ts

@@ -16,15 +16,16 @@ export interface PerspectiveCameraOptions extends ComponentOptions {
 }
 
 export class PerspectiveCamera extends Camera {
+  public readonly fov: number;
   public readonly near: number;
   public readonly far: number;
 
   public constructor( options: PerspectiveCameraOptions ) {
-    const projectionMatrix = Matrix4.perspective(
-      options.fov || 45.0,
-      options.near || 0.01,
-      options.far || 100.0,
-    );
+    const fov = options.fov ?? 45.0;
+    const near = options.near ?? 0.01;
+    const far = options.far ?? 100.0;
+
+    const projectionMatrix = Matrix4.perspective( fov, near, far );
 
     super( {
       ...options,
@@ -34,7 +35,8 @@ export class PerspectiveCamera extends Camera {
       clear: options.clear,
     } );
 
-    this.near = options.near || 0.01;
-    this.far = options.far || 100.0;
+    this.fov = fov;
+    this.near = near;
+    this.far = far;
   }
 }

src/heck/components/Quad.ts

@@ -1,7 +1,7 @@
 import { Component, ComponentOptions, ComponentUpdateEvent } from './Component';
 import { Material } from '../Material';
 import { RenderTarget } from '../RenderTarget';
-import { glCat } from '../../globals/canvas';
+import { gl, glCat } from '../../globals/canvas';
 import { quadGeometry } from '../../globals/quadGeometry';
 
 export interface QuadOptions extends ComponentOptions {
@@ -37,6 +37,9 @@ export class Quad extends Component {
     this.target.bind();
     this.material.setBlendMode();
 
+    gl.enable( gl.DEPTH_TEST );
+    gl.depthMask( true );
+
     if ( this.clear ) {
       glCat.clear( ...this.clear );
     }

src/music/Music.ts

@@ -110,6 +110,8 @@ export abstract class Music {
     if ( this.isPlaying ) {
       this.deltaTime = now - this.__prevAudioTime;
       this.time += this.deltaTime;
+    } else {
+      this.deltaTime = 0.0;
     }
 
     this.__updateImpl();

src/scene.ts

@@ -2,7 +2,7 @@ import { Antialias } from './entities/Antialias';
 import { Bloom } from './entities/Bloom';
 import { BufferRenderTarget } from './heck/BufferRenderTarget';
 import { CanvasRenderTarget } from './heck/CanvasRenderTarget';
-import { Component, ComponentUpdateEvent } from './heck/components/Component';
+import { Component } from './heck/components/Component';
 import { Condition } from './entities/Condition';
 import { Cube } from './entities/Cube';
 import { CubemapCameraEntity } from './entities/CubemapCameraEntity';
@@ -17,7 +17,8 @@ import { Glitch } from './entities/Glitch';
 import { IBLLUT } from './entities/IBLLUT';
 import { IFSPistons } from './entities/IFSPistons';
 import { Lambda } from './heck/components/Lambda';
-import { LightEntity } from './entities/LightEntity';
+import { LightsFirst } from './entities/LightsFirst';
+import { LightsPink } from './entities/LightsPink';
 import { PixelSorter } from './entities/PixelSorter';
 import { Post } from './entities/Post';
 import { RTInspector } from './entities/RTInspector';
@@ -147,17 +148,6 @@ if ( process.env.DEV && module.hot ) {
   } );
 }
 
-const replacerFlickyParticles = new EntityReplacer(
-  deferredRoot,
-  () => new FlickyParticles(),
-  'FlickyParticles',
-);
-if ( process.env.DEV && module.hot ) {
-  module.hot.accept( './entities/FlickyParticles', () => {
-    replacerFlickyParticles.replace();
-  } );
-}
-
 const replacerWobbleball = new EntityReplacer( deferredRoot, () => new Wobbleball(), 'Wobbleball' );
 if ( process.env.DEV && module.hot ) {
   module.hot.accept( './entities/Wobbleball', () => {
@@ -187,6 +177,17 @@ if ( process.env.DEV && module.hot ) {
   } );
 }
 
+const replacerFlickyParticles = new EntityReplacer(
+  forwardRoot,
+  () => new FlickyParticles(),
+  'FlickyParticles',
+);
+if ( process.env.DEV && module.hot ) {
+  module.hot.accept( './entities/FlickyParticles', () => {
+    replacerFlickyParticles.replace();
+  } );
+}
+
 // -- things that is not an "object" ---------------------------------------------------------------
 const swapOptions = {
   width: canvasRenderTarget.width,
@@ -204,40 +205,24 @@ const swap = new Swap(
   } ),
 );
 
-const replacerLightFirst = new EntityReplacer( dog.root, () => {
-  const light = new LightEntity( {
-    scenes: [ dog.root ],
-    shadowMapFov: 90.0,
-    shadowMapNear: 1.0,
-    shadowMapFar: 20.0,
-    namePrefix: process.env.DEV && 'lightFirst',
-  } );
-  light.color = [ 100.0, 100.0, 100.0 ];
-  light.transform.lookAt( new Vector3( [ 4.0, 4.0, 4.0 ] ) );
-  return light;
-}, 'LightFirst' );
-const lightFirst = replacerLightFirst.current;
+const replacerLightsFirst = new EntityReplacer(
+  dog.root,
+  () => new LightsFirst( { scenes: [ dog.root ] } ),
+  'LightsFirst',
+);
 
-const replacerLightPink = new EntityReplacer( dog.root, () => {
-  const light = new LightEntity( {
+const replacerLightsPink = new EntityReplacer(
+  dog.root,
+  () => new LightsPink( {
     scenes: [ dog.root ],
-    shadowMapFov: 90.0,
-    shadowMapNear: 1.0,
-    shadowMapFar: 20.0,
-    namePrefix: process.env.DEV && 'lightPink',
-  } );
-  light.color = [ 120.0, 2.0, 10.0 ];
-  light.transform.lookAt( new Vector3( [ -1.0, 2.0, 2.0 ] ) );
-  return light;
-}, 'LightPink' );
-const lightPink = replacerLightPink.current;
+  } ),
+  'LightsPink',
+);
 
-if ( process.env.DEV && module.hot ) {
-  module.hot.accept( './entities/LightEntity', () => {
-    replacerLightFirst.replace();
-    replacerLightPink.replace();
-  } );
-}
+const lights = [
+  ...replacerLightsFirst.current.lights,
+  ...replacerLightsPink.current.lights,
+];
 
 // const light2 = new LightEntity( {
 //   root: dog.root,
@@ -252,11 +237,7 @@ if ( process.env.DEV && module.hot ) {
 
 const cubemapCamera = new CubemapCameraEntity( {
   scenes: [ dog.root ],
-  lights: [
-    lightFirst,
-    lightPink,
-    // light2
-  ],
+  lights,
 } );
 dog.root.children.push( cubemapCamera );
 
@@ -266,7 +247,25 @@ const environmentMap = new EnvironmentMap( {
 dog.root.children.push( environmentMap );
 
 // -- camera ---------------------------------------------------------------------------------------
-const cameraOnUpdate = ( { time }: ComponentUpdateEvent ): void => {
+const deferredCamera = new DeferredCamera( {
+  scenes: [ dog.root ],
+  target: swap.o,
+  lights,
+  textureIBLLUT: ibllut.texture,
+  textureEnv: environmentMap.texture,
+} );
+dog.root.children.push( deferredCamera );
+replacerLightsPink.current.setDefferedCameraTarget( deferredCamera.cameraTarget );
+
+const forwardCamera = new ForwardCamera( {
+  scenes: [ dog.root ],
+  target: swap.o,
+  lights,
+} );
+dog.root.children.push( forwardCamera );
+
+dog.root.components.push( new Lambda( {
+  onUpdate: ( { time } ) => {
     const r = auto( 'Camera/rot/r' );
     const t = auto( 'Camera/rot/t' );
     const p = auto( 'Camera/rot/p' );
@@ -286,7 +285,8 @@ const cameraOnUpdate = ( { time }: ComponentUpdateEvent ): void => {
     const wubTarAmp = 0.02;
     const wubTarTheta = 4.21 * time;
 
-  deferredCamera.transform.lookAt(
+    [ deferredCamera, forwardCamera ].map( ( camera ) => {
+      camera.transform.lookAt(
         new Vector3( [
           r * ct * sp + wubPosAmp * Math.sin( wubPosTheta ),
           r * st + wubPosAmp * Math.sin( 2.0 + wubPosTheta ),
@@ -301,12 +301,12 @@ const cameraOnUpdate = ( { time }: ComponentUpdateEvent ): void => {
         0.02 * Math.sin( 2.74 * time ) + roll,
       );
 
-  deferredCamera.transform.position = deferredCamera.transform.position.add(
+      camera.transform.position = camera.transform.position.add(
         new Vector3( [ x, y, z ] )
       );
 
       if ( shake > 0.0 ) {
-    deferredCamera.transform.position = deferredCamera.transform.position.add(
+        camera.transform.position = camera.transform.position.add(
           new Vector3( [
             Math.sin( 145.0 * time ),
             Math.sin( 2.0 + 148.0 * time ),
@@ -314,41 +314,10 @@ const cameraOnUpdate = ( { time }: ComponentUpdateEvent ): void => {
           ] ).scale( shake )
         );
       }
-};
-
-const deferredCamera = new DeferredCamera( {
-  scenes: [ deferredRoot ],
-  target: swap.o,
-  lights: [
-    lightFirst,
-    lightPink,
-    // light2
-  ],
-  textureIBLLUT: ibllut.texture,
-  textureEnv: environmentMap.texture,
-} );
-
-deferredCamera.components.unshift( new Lambda( {
-  onUpdate: cameraOnUpdate,
-  name: process.env.DEV && 'main/updateDeferredCamera',
+    } );
+  },
+  name: process.env.DEV && 'main/updateCamera',
 } ) );
-dog.root.children.push( deferredCamera );
-
-const forwardCamera = new ForwardCamera( {
-  scenes: [ forwardRoot ],
-  target: swap.o,
-  lights: [
-    lightFirst,
-    lightPink,
-    // light2
-  ],
-} );
-
-forwardCamera.components.unshift( new Lambda( {
-  onUpdate: cameraOnUpdate,
-  name: process.env.DEV && 'main/updateForwardCamera',
-} ) );
-dog.root.children.push( forwardCamera );
 
 // -- post -----------------------------------------------------------------------------------------
 swap.swap();

src/shaders/flicky-particles-render.frag

@@ -43,7 +43,7 @@ uniform sampler2D samplerRandomStatic;
   layout (location = 3) out vec4 fragWTF;
 #endif
 
-#ifdef SHADOW
+#ifdef DEPTH
   out vec4 fragColor;
 
   uniform vec2 cameraNearFar;
@@ -187,7 +187,7 @@ void main() {
     fragWTF = vec4( vec3( 0.0 ), MTL_UNLIT );
   #endif
 
-  #ifdef SHADOW
+  #ifdef DEPTH
     float depth = linearstep(
       cameraNearFar.x,
       cameraNearFar.y,

src/shaders/ifs-piston.frag

@@ -7,10 +7,6 @@ precision highp float;
 #define linearstep(a,b,x) saturate(((x)-(a))/((b)-(a)))
 
 const int MARCH_ITER = 90;
-const int MTL_UNLIT = 1;
-const int MTL_PBR = 2;
-const int MTL_GRADIENT = 3;
-const int MTL_IRIDESCENT = 4;
 const float PI = 3.14159265;
 const float TAU = PI * 2.0;
 
@@ -21,15 +17,12 @@ const float TAU = PI * 2.0;
   layout (location = 3) out vec4 fragWTF;
 #endif
 
-in vec4 vPosition;
+in vec4 vPositionWithoutModel;
 
 #ifdef SHADOW
   out vec4 fragColor;
 #endif
 
-uniform float deformAmp;
-uniform float deformFreq;
-uniform float deformTime;
 uniform float time;
 uniform float ifsSeed;
 uniform vec2 resolution;
@@ -48,12 +41,6 @@ vec3 divideByW( vec4 v ) {
   return v.xyz / v.w;
 }
 
-// https://www.iquilezles.org/www/articles/smin/smin.htm
-float smin( float a, float b, float k ) {
-  float h = max( k - abs( a - b ), 0.0 ) / k;
-  return min( a, b ) - h * h * h * k * ( 1.0 / 6.0 );
-}
-
 mat2 rot2d( float t ) {
   float c = cos( t );
   float s = sin( t );
@@ -90,7 +77,9 @@ vec4 map( vec3 p ) {
   float d1, d2;
 
   {
-    float clampbox = box( p - vec3( 0.0, 10.0, 0.0 ), vec3( 1.0, 10.0, 1.0 ) - 0.1 );
+    vec3 pt = p;
+
+    float clampbox = box( pt - vec3( 0.0, 10.0, 0.0 ), vec3( 1.0, 10.0, 1.0 ) - 0.1 );
 
     vec3 r = mix(
       fs( vec3( 4.7, 2.2, 8.3 ) + floor( ifsSeed ) ),
@@ -98,7 +87,7 @@ vec4 map( vec3 p ) {
       fract( ifsSeed )
     );
     vec3 t = 0.1 * vec3( 3.0, 2.3, 3.5 );
-    vec3 pt = ifs( p, r, t );
+    pt = ifs( pt, r, t );
 
     pt = mod( pt - 0.1, 0.2 ) - 0.1;
 
@@ -106,7 +95,9 @@ vec4 map( vec3 p ) {
   }
 
   {
-    float clampbox = box( p - vec3( 0.0, 10.0, 0.0 ), vec3( 1.0, 10.0, 1.0 ) );
+    vec3 pt = p;
+
+    float clampbox = box( pt - vec3( 0.0, 10.0, 0.0 ), vec3( 1.0, 10.0, 1.0 ) );
 
     vec3 r = mix(
       fs( vec3( 5.3, 1.1, 2.9 ) + floor( ifsSeed ) ),
@@ -114,7 +105,7 @@ vec4 map( vec3 p ) {
       fract( ifsSeed )
     );
     vec3 t = 0.2 * vec3( 3.0, 2.3, 3.5 );
-    vec3 pt = ifs( p, r, t );
+    pt = ifs( pt, r, t );
 
     pt = mod( pt - 0.1, 0.2 ) - 0.1;
 
@@ -139,7 +130,7 @@ void main() {
   vec3 rayOri = divideByW( inversePVM * vec4( p, 0.0, 1.0 ) );
   vec3 farPos = divideByW( inversePVM * vec4( p, 1.0, 1.0 ) );
   vec3 rayDir = normalize( farPos - rayOri );
-  float rayLen = length( vPosition.xyz - cameraPos );
+  float rayLen = length( vPositionWithoutModel.xyz - rayOri );
   vec3 rayPos = rayOri + rayDir * rayLen;
   vec4 isect;
 
@@ -176,11 +167,11 @@ void main() {
         0.2 * smoothstep( -0.2, 0.4, noise.y ) * ( 0.8 + 0.2 * sin( 17.0 * noiseDetail.x ) )
       );
 
-      fragColor = vec4( vec3( 0.4 ), 1.0 );
-      fragWTF = vec4( vec3( roughness, 0.9, 0.0 ), MTL_PBR );
+      fragColor = vec4( vec3( 0.04 ), 1.0 );
+      fragWTF = vec4( vec3( roughness, 0.9, 0.0 ), 2 );
     } else if ( isect.y == 1.0 ) {
       fragColor = vec4( vec3( 1.0 ), 1.0 );
-      fragWTF = vec4( vec3( 0.3, 0.1, 0.0 ), MTL_PBR );
+      fragWTF = vec4( vec3( 0.3, 0.1, 0.0 ), 2 );
     }
 
   #endif

src/shaders/light-shaft.frag

@@ -0,0 +1,111 @@
+#version 300 es
+
+precision highp float;
+
+#define saturate(x) clamp(x,0.,1.)
+#define linearstep(a,b,x) saturate(((x)-(a))/((b)-(a)))
+
+const int MARCH_ITER = 20;
+const float INV_MARCH_ITER = 1.0 / float( MARCH_ITER );
+const float PI = 3.14159265;
+const float TAU = PI * 2.0;
+
+in float vFrustumZ;
+in vec4 vPosition;
+
+out vec4 fragColor;
+
+uniform float time;
+uniform vec2 lightNearFar;
+uniform vec2 resolution;
+uniform vec2 cameraNearFar;
+uniform vec3 cameraPos;
+uniform vec3 lightColor;
+uniform vec3 lightPos;
+uniform mat4 lightPV;
+uniform mat4 viewMatrix;
+uniform mat4 projectionMatrix;
+uniform mat4 inversePVM;
+uniform sampler2D samplerDeferred0;
+uniform sampler2D samplerRandom;
+uniform sampler2D samplerShadow;
+
+float cameraDepth;
+
+#pragma glslify: prng = require( ./-prng );
+
+vec3 divideByW( vec4 v ) {
+  return v.xyz / v.w;
+}
+
+float map( vec3 p ) {
+  vec4 pt = projectionMatrix * viewMatrix * vec4( p, 1.0 );
+  float depth = pt.z / pt.w;
+  if ( depth > cameraDepth ) {
+    return 0.0;
+  }
+
+  float l = length( p - lightPos );
+  float tooNear = smoothstep( 0.0, 0.1, l );
+
+  vec4 lightProj = lightPV * vec4( p, 1.0 );
+  vec3 lightP = lightProj.xyz / lightProj.w;
+
+  if ( lightP.z < 0.0 || 1.0 < lightP.z ) {
+    return 0.0;
+  }
+
+  float depth = linearstep(
+    lightNearFar.x,
+    lightNearFar.y,
+    l
+  );
+
+  vec4 tex = texture( samplerShadow, 0.5 + 0.5 * lightP.xy );
+
+  float variance = saturate( tex.y - tex.x * tex.x );
+  float md = depth - tex.x;
+
+  float softShadow = md < 0.0 ? 1.0 : linearstep( 0.2, 1.0, variance / ( variance + md * md ) );
+
+  // spot
+  float spot = smoothstep( 1.0, 0.5, length( lightP.xy ) );
+
+  return tooNear * softShadow * spot * 1.0 / l / l;
+}
+
+void main() {
+  vec2 p = ( gl_FragCoord.xy * 2.0 - resolution ) / resolution.y;
+  vec4 seed = texture( samplerRandom, p );
+  prng( seed );
+
+  vec4 texDeferred0 = texture( samplerDeferred0, gl_FragCoord.xy / resolution.xy );
+  cameraDepth = 2.0 * texDeferred0.w - 1.0;
+
+  vec3 rayOri = cameraPos;
+  vec3 rayDir = normalize( vPosition.xyz - rayOri );
+  float rayLen = gl_FrontFacing
+    ? 1E-2
+    : length( vPosition.xyz - rayOri );
+  vec3 rayPos = rayOri + rayDir * rayLen;
+
+  // this is terrible
+  // There definitely are better ways to do this
+  float stepLen = gl_FrontFacing
+    ? 1.0
+    : 0.1;
+
+  float accum = 0.0;
+  float isect;
+
+  for ( int i = 0; i < MARCH_ITER; i ++ ) {
+    isect = map( rayPos );
+    accum += isect * INV_MARCH_ITER;
+    rayLen += stepLen * 0.8 + 0.2 * prng( seed );
+    rayPos = rayOri + rayDir * rayLen;
+
+    if ( rayLen > cameraNearFar.y ) { break; }
+  }
+
+  fragColor = vec4( 0.01 * lightColor * accum, 1.0 );
+}

src/shaders/light-shaft.vert

@@ -0,0 +1,33 @@
+#version 300 es
+
+const float PI = 3.14159265;
+
+layout (location = 0) in vec3 position;
+
+out float vFrustumZ;
+out vec4 vPosition;
+
+uniform float lightFov;
+uniform vec2 lightNearFar;
+uniform vec2 resolution;
+uniform mat4 projectionMatrix;
+uniform mat4 viewMatrix;
+uniform mat4 modelMatrix;
+
+// ------
+
+void main() {
+  float vFrustumZ = 0.5 + 0.5 * position.z;
+
+  vec3 pos = mix(
+    vec3( position.xy * lightNearFar.x * tan( lightFov / 360.0 * PI ), -lightNearFar.x ),
+    vec3( position.xy * lightNearFar.y * tan( lightFov / 360.0 * PI ), -lightNearFar.y ),
+    vFrustumZ
+  );
+
+  vPosition = modelMatrix * vec4( pos, 1.0 );
+  vec4 outPos = projectionMatrix * viewMatrix * vPosition;
+
+  outPos.x *= resolution.y / resolution.x;
+  gl_Position = outPos;
+}

src/shaders/raymarch-object.vert

@@ -2,6 +2,7 @@
 
 layout (location = 0) in vec3 position;
 
+out vec4 vPositionWithoutModel;
 out vec4 vPosition;
 
 uniform vec2 resolution;
@@ -12,7 +13,8 @@ uniform mat4 modelMatrix;
 // ------
 
 void main() {
-  vPosition = modelMatrix * vec4( position, 1.0 );
+  vPositionWithoutModel = vec4( position, 1.0 );
+  vPosition = modelMatrix * vPositionWithoutModel;
   vec4 outPos = projectionMatrix * viewMatrix * vPosition;
 
   outPos.x *= resolution.y / resolution.x;

src/shaders/shading.frag

@@ -5,8 +5,6 @@ precision highp float;
 const int MTL_NONE = 0;
 const int MTL_UNLIT = 1;
 const int MTL_PBR = 2;
-const int MTL_GRADIENT = 3;
-const int AO_ITER = 8;
 const float ENV_UV_MARGIN = 0.9375;
 const float AO_BIAS = 0.0;
 const float AO_RADIUS = 0.5;
@@ -27,11 +25,13 @@ in vec2 vUv;
 out vec4 fragColor;
 
 uniform int lightCount;
+uniform vec2 resolution;
 uniform vec2 lightNearFar[8];
 uniform vec2 cameraNearFar;
 uniform vec3 cameraPos;
 uniform vec3 lightPos[8];
 uniform vec3 lightColor[8];
+uniform vec4 lightParams[8];
 uniform mat4 lightPV[8];
 uniform mat4 cameraView;
 uniform mat4 cameraPV;
@@ -59,27 +59,6 @@ vec3 catColor( float _p ) {
   );
 }
 
-vec3 blurpleGradient( float t ) {
-  vec3 colorA = vec3( 0.01, 0.04, 0.2 );
-  vec3 colorB = vec3( 0.02, 0.3, 0.9 );
-  vec3 colorC = vec3( 0.9, 0.01, 0.6 );
-  vec3 colorD = vec3( 0.5, 0.02, 0.02 );
-
-  return mix(
-    colorA,
-    mix(
-      colorB,
-      mix(
-        colorC,
-        colorD,
-        linearstep( 0.67, 1.0, t )
-      ),
-      linearstep( 0.33, 0.67, t )
-    ),
-    linearstep( 0.0, 0.33, t )
-  );
-}
-
 vec4 sampleEnvNearest( vec2 uv, float lv ) {
   float p = pow( 0.5, float( lv ) );
   vec2 uvt = ENV_UV_MARGIN * ( uv - 0.5 ) + 0.5;
@@ -128,7 +107,7 @@ vec4 fetchShadowMap( int iLight, vec2 uv ) {
 }
 
 // == features =====================================================================================
-float castShadow( int iLight, Isect isect, float NdotL ) {
+float castShadow( int iLight, vec2 lightUv, Isect isect, float NdotL ) {
   float depth = linearstep(
     lightNearFar[ iLight ].x,
     lightNearFar[ iLight ].y,
@@ -138,12 +117,9 @@ float castShadow( int iLight, Isect isect, float NdotL ) {
   float bias = 0.0001 + 0.0001 * ( 1.0 - NdotL );
   depth -= bias;
 
-  vec4 proj = lightPV[ iLight ] * vec4( isect.position, 1.0 );
-  vec2 uv = proj.xy / proj.w * 0.5 + 0.5;
+  vec4 tex = fetchShadowMap( iLight, lightUv );
 
-  vec4 tex = fetchShadowMap( iLight, uv );
-
-  float edgeClip = smoothstep( 0.4, 0.5, max( abs( uv.x - 0.5 ), abs( uv.y - 0.5 ) ) );
+  float edgeClip = smoothstep( 0.4, 0.5, max( abs( lightUv.x - 0.5 ), abs( lightUv.y - 0.5 ) ) );
 
   float variance = saturate( tex.y - tex.x * tex.x );
   float md = depth - tex.x;
@@ -205,9 +181,18 @@ vec3 shadePBR( Isect isect ) {
 
     float decayL = 1.0 / ( lenL * lenL );
 
-    // fetch shadowmap
-    float shadow = castShadow( iLight, isect, NdotL );
-    shadow = mix( 0.5, 1.0, shadow );
+    // fetch shadowmap + spot lighting
+    vec4 lightProj = lightPV[ iLight ] * vec4( isect.position, 1.0 );
+    vec2 lightP = lightProj.xy / lightProj.w;
+
+    float shadow = mix(
+      1.0,
+      smoothstep( 1.0, 0.5, length( lightP ) ),
+      lightParams[ iLight ].x
+    );
+
+    shadow *= castShadow( iLight, lightP * 0.5 + 0.5, isect, NdotL );
+    shadow = mix( 0.0, 1.0, shadow );
 
     // do shading
     vec3 diffuse = brdfLambert( f0, albedo, VdotH );
@@ -246,11 +231,6 @@ vec3 shadePBR( Isect isect ) {
 
 }
 
-vec3 shadeGradient( Isect isect ) {
-  float shade = isect.normal.y;
-  return blurpleGradient( 0.5 + 0.5 * shade );
-}
-
 // == main procedure ===============================================================================
 void main() {
   vec4 tex0 = texture( sampler0, vUv );
@@ -270,6 +250,13 @@ void main() {
   isect.materialId = int( tex3.w + 0.5 );
   isect.materialParams = tex3.xyz;
 
+  // from isect
+  vec3 V = cameraPos - isect.position;
+  float lenV = length( V );
+  V = normalize( V );
+
+  float NdotV = clamp( dot( isect.normal, V ), EPSILON, 1.0 );
+
   vec3 color = vec3( 0.0 );
 
   if ( isect.materialId == MTL_NONE ) {
@@ -281,8 +268,6 @@ void main() {
   } else if ( isect.materialId == MTL_PBR ) {
     color = shadePBR( isect );
 
-  } else if ( isect.materialId == MTL_GRADIENT ) {
-    color = shadeGradient( isect );
 
   }
 
@@ -297,4 +282,6 @@ void main() {
 
   fragColor = vec4( color, 1.0 );
   // fragColor.xyz *= smoothstep( 1.0, 0.7, calcDepth( tex0.xyz ) );
+
+  gl_FragDepth = 0.5 + 0.5 * isect.depth;
 }

src/shaders/wobbleball.frag

@@ -21,7 +21,7 @@ const float TAU = PI * 2.0;
   layout (location = 3) out vec4 fragWTF;
 #endif
 
-in vec4 vPosition;
+in vec4 vPositionWithoutModel;
 
 #ifdef SHADOW
   out vec4 fragColor;
@@ -115,7 +115,7 @@ void main() {
   vec3 rayOri = divideByW( inversePVM * vec4( p, 0.0, 1.0 ) );
   vec3 farPos = divideByW( inversePVM * vec4( p, 1.0, 1.0 ) );
   vec3 rayDir = normalize( farPos - rayOri );
-  float rayLen = length( vPosition.xyz - cameraPos );
+  float rayLen = length( vPositionWithoutModel.xyz - rayOri );
   vec3 rayPos = rayOri + rayDir * rayLen;
   float dist;
 
@@ -132,7 +132,7 @@ void main() {
     discard;
   }
 
-  vec3 modelNormal = ( normalMatrix * vec4( normalFunc( rayPos, 1E-2 ), 1.0 ) ).xyz;
+  vec3 modelNormal = ( normalMatrix * vec4( normalFunc( rayPos, 1E-3 ), 1.0 ) ).xyz;
 
   vec4 modelPos = modelMatrix * vec4( rayPos, 1.0 );
   vec4 projPos = projectionMatrix * viewMatrix * modelPos; // terrible
@@ -143,7 +143,7 @@ void main() {
     fragPosition = vec4( modelPos.xyz, depth );
     fragNormal = vec4( modelNormal, 1.0 );
     fragColor = vec4( 0.4, 0.7, 0.9, 1.0 );
-    fragWTF = vec4( vec3( 0.9, 0.2, 0.0 ), MTL_PBR );
+    fragWTF = vec4( vec3( 0.9, 0.7, 0.0 ), MTL_PBR );
   #endif
 
   #ifdef SHADOW