WGLSLNodeBuilder: Fix equals (#27826)

examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js

@@ -114,9 +114,9 @@ fn threejs_greaterThan( a : vec3<f32>, b : vec3<f32> ) -> vec3<bool> {
 	mod_vec3: new CodeNode( 'fn threejs_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }' ),
 	mod_vec4: new CodeNode( 'fn threejs_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }' ),
 	equals_bool: new CodeNode( 'fn threejs_equals_bool( a : bool, b : bool ) -> bool { return a == b; }' ),
-	equals_bvec2: new CodeNode( 'fn threejs_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == a.x, b.y == b.y ); }' ),
-	equals_bvec3: new CodeNode( 'fn threejs_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == a.x, b.y == b.y, a.z == a.z ); }' ),
-	equals_bvec4: new CodeNode( 'fn threejs_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == a.x, b.y == b.y, a.z == a.z, b.w == b.w ); }' ),
+	equals_bvec2: new CodeNode( 'fn threejs_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }' ),
+	equals_bvec3: new CodeNode( 'fn threejs_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }' ),
+	equals_bvec4: new CodeNode( 'fn threejs_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }' ),
 	repeatWrapping: new CodeNode( `
 fn threejs_repeatWrapping( uv : vec2<f32>, dimension : vec2<u32> ) -> vec2<u32> {