refactor: move code

packages/core/src/shadow/CascadedShadowCasterPass.ts

@@ -75,9 +75,9 @@ export class CascadedShadowCasterPass extends PipelinePass {
    */
   override onRender(context: RenderContext): void {
     const light = this._camera.scene._lightManager._sunlight;
-    this._updateShadowSettings(light);
+    this._updateShadowSettings();
     this._renderDirectShadowMap(context, light);
-    this._updateReceiversShaderData();
+    this._updateReceiversShaderData(light);
   }
 
   private _renderDirectShadowMap(context: RenderContext, light: DirectLight): void {
@@ -234,12 +234,17 @@ export class CascadedShadowCasterPass extends PipelinePass {
     }
   }
 
-  private _updateReceiversShaderData(): void {
-    const scene = this._camera.scene;
+  private _updateReceiversShaderData(light: DirectLight): void {
+    const camera = this._camera;
+    const scene = camera.scene;
     const splitBoundSpheres = this._splitBoundSpheres;
     const shadowMatrices = this._shadowMatrices;
     const shadowCascades = scene.shadowCascades;
 
+    const shadowFar = Math.min(scene.shadowDistance, camera.farClipPlane);
+    ShadowUtils.getScaleAndBiasForLinearDistanceFade(Math.pow(shadowFar, 2), scene.shadowFadeBorder, this._shadowInfos);
+    this._shadowInfos.x = light.shadowStrength;
+
     // set zero matrix to project the index out of max cascade
     if (shadowCascades > 1) {
       for (let i = shadowCascades * 4, n = splitBoundSpheres.length; i < n; i++) {
@@ -302,7 +307,7 @@ export class CascadedShadowCasterPass extends PipelinePass {
     return Math.sqrt((radius * radius) / denominator);
   }
 
-  private _updateShadowSettings(light: DirectLight): void {
+  private _updateShadowSettings(): void {
     const camera = this._camera;
     const scene = camera.scene;
     const shadowFormat = ShadowUtils.shadowDepthFormat(scene.shadowResolution, this._supportDepthTexture);
@@ -312,9 +317,6 @@ export class CascadedShadowCasterPass extends PipelinePass {
 
     this._getCascadesSplitDistance(shadowFar);
 
-    ShadowUtils.getScaleAndBiasForLinearDistanceFade(Math.pow(shadowFar, 2), scene.shadowFadeBorder, this._shadowInfos);
-    this._shadowInfos.x = light.shadowStrength;
-
     if (
       shadowFormat !== this._shadowMapFormat ||
       shadowResolution !== this._shadowMapResolution ||

packages/core/src/shadow/ShadowUtils.ts

@@ -444,7 +444,7 @@ export class ShadowUtils {
   /**
    * Extract scale and bias from a fade distance to achieve a linear fading of the fade distance.
    */
-  static getScaleAndBiasForLinearDistanceFade(fadeDistance: number, border: number, outInfo: Vector4) {
+  static getScaleAndBiasForLinearDistanceFade(fadeDistance: number, border: number, outInfo: Vector4): void {
     // To avoid division from zero
     // This values ensure that fade within cascade will be 0 and outside 1
     if (border < 0.0001) {