Native Post-Processing Shaders, Advanced Lighting & Physics3D Joints

Extensions/3D/BloomEffect.ts

@@ -25,6 +25,7 @@ namespace gdjs {
               0,
               0
             );
+            gdjs.markScene3DPostProcessingPass(this.shaderPass, 'BLOOM');
             this._isEnabled = false;
           }
 
@@ -57,7 +58,13 @@ namespace gdjs {
             this._isEnabled = false;
             return true;
           }
-          updatePreRender(target: gdjs.EffectsTarget): any {}
+          updatePreRender(target: gdjs.EffectsTarget): any {
+            if (!(target instanceof gdjs.Layer)) {
+              return;
+            }
+            this.shaderPass.enabled =
+              gdjs.isScene3DPostProcessingEnabled(target);
+          }
           updateDoubleParameter(parameterName: string, value: number): void {
             if (parameterName === 'strength') {
               this.shaderPass.strength = value;

Extensions/3D/ChromaticAberrationEffect.ts

@@ -0,0 +1,233 @@
+namespace gdjs {
+  interface ChromaticAberrationNetworkSyncData {
+    i: number;
+    rs: number;
+    e: boolean;
+  }
+
+  const chromaticAberrationShader = {
+    uniforms: {
+      tDiffuse: { value: null },
+      tSceneColor: { value: null },
+      intensity: { value: 0.005 },
+      radialScale: { value: 1.0 },
+    },
+    vertexShader: `
+      varying vec2 vUv;
+
+      void main() {
+        vUv = uv;
+        gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
+      }
+    `,
+    fragmentShader: `
+      precision highp float;
+
+      uniform sampler2D tDiffuse;
+      uniform sampler2D tSceneColor;
+      uniform float intensity;
+      uniform float radialScale;
+      varying vec2 vUv;
+
+      vec2 clampUv(vec2 uv) {
+        return clamp(uv, vec2(0.0), vec2(1.0));
+      }
+
+      void main() {
+        vec4 baseColor = texture2D(tDiffuse, vUv);
+        if (intensity <= 0.0) {
+          gl_FragColor = baseColor;
+          return;
+        }
+
+        vec2 centered = vUv - vec2(0.5);
+        float distanceFromCenter = length(centered);
+        vec2 direction =
+          distanceFromCenter > 0.00001
+            ? centered / distanceFromCenter
+            : vec2(0.0);
+
+        float edgeFactor = clamp(distanceFromCenter * 1.41421356237, 0.0, 1.0);
+        edgeFactor = pow(edgeFactor, max(0.0001, radialScale));
+        vec2 channelOffset = direction * intensity * edgeFactor;
+
+        vec2 uvRed = clampUv(vUv + channelOffset);
+        vec2 uvBlue = clampUv(vUv - channelOffset);
+
+        vec3 diffuseRed = texture2D(tDiffuse, uvRed).rgb;
+        vec3 diffuseCenter = texture2D(tDiffuse, vUv).rgb;
+        vec3 diffuseBlue = texture2D(tDiffuse, uvBlue).rgb;
+
+        // Blend in a bit of shared scene capture to keep this pass coherent
+        // with the centralized PostProcessingStack capture flow.
+        vec3 sceneRed = texture2D(tSceneColor, uvRed).rgb;
+        vec3 sceneBlue = texture2D(tSceneColor, uvBlue).rgb;
+        float captureMix = 0.18;
+
+        float red = mix(diffuseRed.r, sceneRed.r, captureMix);
+        float green = diffuseCenter.g;
+        float blue = mix(diffuseBlue.b, sceneBlue.b, captureMix);
+
+        gl_FragColor = vec4(red, green, blue, baseColor.a);
+      }
+    `,
+  };
+
+  gdjs.PixiFiltersTools.registerFilterCreator(
+    'Scene3D::ChromaticAberration',
+    new (class implements gdjs.PixiFiltersTools.FilterCreator {
+      makeFilter(
+        target: EffectsTarget,
+        effectData: EffectData
+      ): gdjs.PixiFiltersTools.Filter {
+        if (typeof THREE === 'undefined') {
+          return new gdjs.PixiFiltersTools.EmptyFilter();
+        }
+        return new (class implements gdjs.PixiFiltersTools.Filter {
+          shaderPass: THREE_ADDONS.ShaderPass;
+          _isEnabled: boolean;
+          _effectEnabled: boolean;
+          _intensity: number;
+          _radialScale: number;
+
+          constructor() {
+            this.shaderPass = new THREE_ADDONS.ShaderPass(
+              chromaticAberrationShader
+            );
+            gdjs.markScene3DPostProcessingPass(this.shaderPass, 'CHROMA');
+            this._isEnabled = false;
+            this._effectEnabled = true;
+            this._intensity = 0.005;
+            this._radialScale = 1.0;
+            this.shaderPass.enabled = true;
+          }
+
+          isEnabled(target: EffectsTarget): boolean {
+            return this._isEnabled;
+          }
+          setEnabled(target: EffectsTarget, enabled: boolean): boolean {
+            if (this._isEnabled === enabled) {
+              return true;
+            }
+            if (enabled) {
+              return this.applyEffect(target);
+            } else {
+              return this.removeEffect(target);
+            }
+          }
+          applyEffect(target: EffectsTarget): boolean {
+            if (!(target instanceof gdjs.Layer)) {
+              return false;
+            }
+            target.getRenderer().addPostProcessingPass(this.shaderPass);
+            this._isEnabled = true;
+            return true;
+          }
+          removeEffect(target: EffectsTarget): boolean {
+            if (!(target instanceof gdjs.Layer)) {
+              return false;
+            }
+            target.getRenderer().removePostProcessingPass(this.shaderPass);
+            this._isEnabled = false;
+            return true;
+          }
+
+          updatePreRender(target: gdjs.EffectsTarget): any {
+            if (!this._isEnabled || !this._effectEnabled) {
+              return;
+            }
+            if (!(target instanceof gdjs.Layer)) {
+              return;
+            }
+
+            const runtimeScene = target.getRuntimeScene();
+            const threeRenderer = runtimeScene
+              .getGame()
+              .getRenderer()
+              .getThreeRenderer();
+            const layerRenderer = target.getRenderer();
+            const threeScene = layerRenderer.getThreeScene();
+            const threeCamera = layerRenderer.getThreeCamera();
+
+            if (!threeRenderer || !threeScene || !threeCamera) {
+              return;
+            }
+
+            if (!gdjs.isScene3DPostProcessingEnabled(target)) {
+              this.shaderPass.enabled = false;
+              return;
+            }
+
+            const sharedCapture = gdjs.captureScene3DSharedTextures(
+              target,
+              threeRenderer,
+              threeScene,
+              threeCamera
+            );
+            if (!sharedCapture) {
+              return;
+            }
+
+            this.shaderPass.enabled = true;
+            this.shaderPass.uniforms.tSceneColor.value =
+              sharedCapture.colorTexture;
+            this.shaderPass.uniforms.intensity.value = this._intensity;
+            this.shaderPass.uniforms.radialScale.value = this._radialScale;
+          }
+
+          updateDoubleParameter(parameterName: string, value: number): void {
+            if (parameterName === 'intensity') {
+              this._intensity = Math.max(0, value);
+              this.shaderPass.uniforms.intensity.value = this._intensity;
+            } else if (parameterName === 'radialScale') {
+              this._radialScale = Math.max(0, value);
+              this.shaderPass.uniforms.radialScale.value = this._radialScale;
+            }
+          }
+
+          getDoubleParameter(parameterName: string): number {
+            if (parameterName === 'intensity') {
+              return this._intensity;
+            }
+            if (parameterName === 'radialScale') {
+              return this._radialScale;
+            }
+            return 0;
+          }
+
+          updateStringParameter(parameterName: string, value: string): void {}
+          updateColorParameter(parameterName: string, value: number): void {}
+          getColorParameter(parameterName: string): number {
+            return 0;
+          }
+          updateBooleanParameter(parameterName: string, value: boolean): void {
+            if (parameterName === 'enabled') {
+              this._effectEnabled = value;
+              this.shaderPass.enabled = value;
+            }
+          }
+
+          getNetworkSyncData(): ChromaticAberrationNetworkSyncData {
+            return {
+              i: this._intensity,
+              rs: this._radialScale,
+              e: this._effectEnabled,
+            };
+          }
+
+          updateFromNetworkSyncData(
+            syncData: ChromaticAberrationNetworkSyncData
+          ): void {
+            this._intensity = Math.max(0, syncData.i);
+            this._radialScale = Math.max(0, syncData.rs);
+            this._effectEnabled = !!syncData.e;
+
+            this.shaderPass.uniforms.intensity.value = this._intensity;
+            this.shaderPass.uniforms.radialScale.value = this._radialScale;
+            this.shaderPass.enabled = this._effectEnabled;
+          }
+        })();
+      }
+    })()
+  );
+}