添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/renderers/common/Binding.js

@@ -0,0 +1,25 @@
+class Binding {
+
+	constructor( name = '' ) {
+
+		this.name = name;
+
+		this.visibility = 0;
+
+	}
+
+	setVisibility( visibility ) {
+
+		this.visibility |= visibility;
+
+	}
+
+	clone() {
+
+		return Object.assign( new this.constructor(), this );
+
+	}
+
+}
+
+export default Binding;