@@ -74,7 +74,7 @@ THREE.OutlinePass = function ( resolution, scene, camera, selectedObjects ) {
var copyShader = THREE.CopyShader;
- this.copyUniforms = THREE.UniformsUtils.clone( copyShader.uniforms );
+ this.copyUniforms = Object.assign( {}, copyShader.uniforms );
this.copyUniforms[ "opacity" ].value = 1.0;
this.materialCopy = new THREE.ShaderMaterial( {