Merge branch 'master' into select-block

dist/Matrix2.d.ts

@@ -0,0 +1,7 @@
+import { Vector2, Vector3 } from "three";
+export declare class Matrix2 {
+    private el;
+    set(n11: number, n12: number, n21: number, n22: number): this;
+    applyVector(vec: Vector2 | Vector3): this;
+    setRotate(theta: number): Matrix2;
+}