添加关照、全局等高线、修改图层问题

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

@@ -0,0 +1,38 @@
+import Binding from './Binding.js';
+import { getFloatLength } from './BufferUtils.js';
+
+class Buffer extends Binding {
+
+	constructor( name, buffer = null ) {
+
+		super( name );
+
+		this.isBuffer = true;
+
+		this.bytesPerElement = Float32Array.BYTES_PER_ELEMENT;
+
+		this._buffer = buffer;
+
+	}
+
+	get byteLength() {
+
+		return getFloatLength( this._buffer.byteLength );
+
+	}
+
+	get buffer() {
+
+		return this._buffer;
+
+	}
+
+	update() {
+
+		return true;
+
+	}
+
+}
+
+export default Buffer;