Add files

src/helper/array.ts

@@ -0,0 +1,49 @@
+declare global {
+  interface Array<T> {
+    x: number;
+    y: number;
+  }
+
+  interface Float32Array {
+    x: number;
+    y: number;
+  }
+}
+
+export const applyArrayPlugins = () => {
+  Object.defineProperty(Array.prototype, 'x', {
+    get() {
+      return this[0];
+    },
+    set(value) {
+      this[0] = value;
+    },
+  });
+
+  Object.defineProperty(Array.prototype, 'y', {
+    get() {
+      return this[1];
+    },
+    set(value) {
+      this[1] = value;
+    },
+  });
+
+  Object.defineProperty(Float32Array.prototype, 'x', {
+    get() {
+      return this[0];
+    },
+    set(value) {
+      this[0] = value;
+    },
+  });
+
+  Object.defineProperty(Float32Array.prototype, 'y', {
+    get() {
+      return this[1];
+    },
+    set(value) {
+      this[1] = value;
+    },
+  });
+};