From 06c054f9f673729d934de4ebbb6a722d530ea617 Mon Sep 17 00:00:00 2001
From: cha0s <git@cha0s.io>
Date: Tue, 9 Apr 2019 10:22:41 -0400
Subject: [PATCH] feat moveFor, for testing

---
 packages/entity/traits/mobile.js | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/packages/entity/traits/mobile.js b/packages/entity/traits/mobile.js
index f484881..b0565ed 100644
--- a/packages/entity/traits/mobile.js
+++ b/packages/entity/traits/mobile.js
@@ -1,4 +1,4 @@
-import {compose} from '@avocado/core';
+import {compose, TickingPromise} from '@avocado/core';
 import {Vector} from '@avocado/math';
 
 import {StateProperty, Trait} from '../trait';
@@ -24,6 +24,20 @@ class MobileBase extends Trait {
   methods() {
     return {
 
+      moveFor: (duration) => {
+        const direction = Math.floor(Math.random() * 4);
+        let resolve;
+        const promise = new TickingPromise(_resolve => resolve = _resolve);
+        promise.ticker = (elapsed) => {
+          duration -= elapsed;
+          if (duration <= 0) {
+            return resolve();
+          }
+          this.entity.requestMovement(Vector.fromDirection(direction));
+        }
+        return promise;
+      },
+
       applyMovement: (movement) => {
         this.entity.x += movement[0];
         this.entity.y += movement[1];