Introduce intersectsFrustum so that objects can override it

Author: OndrejSpanel

examples/jsm/renderers/Projector.js

@@ -365,7 +365,7 @@ class Projector {
 			} else if ( object.isMesh || object.isLine || object.isPoints ) {
 
 				if ( object.material.visible === false ) return;
-				if ( object.frustumCulled === true && _frustum.intersectsObject( object ) === false ) return;
+				if ( object.frustumCulled === true && object.intersectsFrustum( _frustum ) === false ) return;
 
 				addObject( object );
 

examples/jsm/renderers/webgpu/WebGPURenderer.js

@@ -727,7 +727,7 @@ class WebGPURenderer {
 
 			} else if ( object.isMesh || object.isLine || object.isPoints ) {
 
-				if ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {
+				if ( ! object.frustumCulled || object.intersectsFrustum( _frustum ) ) {
 
 					if ( this.sortObjects === true ) {
 

src/core/Object3D.js

@@ -532,6 +532,12 @@ class Object3D extends EventDispatcher {
 
 	raycast( /* raycaster, intersects */ ) {}
 
+	intersectsFrustum( frustum ) {
+
+		return frustum.intersectsObject( this );
+
+	}
+
 	traverse( callback ) {
 
 		callback( this );

src/renderers/WebGLRenderer.js

@@ -1149,7 +1149,7 @@ function WebGLRenderer( parameters = {} ) {
 
 				}
 
-				if ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) {
+				if ( ! object.frustumCulled || object.intersectsFrustum( _frustum ) ) {
 
 					if ( sortObjects ) {
 

src/renderers/webgl/WebGLShadowMap.js

@@ -322,7 +322,7 @@ function WebGLShadowMap( _renderer, _objects, _capabilities ) {
 
 		if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) {
 
-			if ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) {
+			if ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || object.intersectsFrustum( _frustum ) ) ) {
 
 				object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld );