初始化

2025-12-10 16:08:45 +00:00 · 2022-06-25 00:23:03 +08:00
commit ef0589e8e5
2264 changed files with 617829 additions and 0 deletions
--- a/engine/cocos2d/animation/playable.js
+++ b/engine/cocos2d/animation/playable.js
@@ -0,0 +1,170 @@
+/****************************************************************************
+ Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
+
+ https://www.cocos.com/
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated engine source code (the "Software"), a limited,
+ worldwide, royalty-free, non-assignable, revocable and non-exclusive license
+ to use Cocos Creator solely to develop games on your target platforms. You shall
+ not use Cocos Creator software for developing other software or tools that's
+ used for developing games. You are not granted to publish, distribute,
+ sublicense, and/or sell copies of Cocos Creator.
+
+ The software or tools in this License Agreement are licensed, not sold.
+ Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ ****************************************************************************/
+
+var js = cc.js;
+const debug = require('../core/CCDebug');
+
+/**
+ * @class Playable
+ *
+ */
+function Playable () {
+    this._isPlaying = false;
+    this._isPaused = false;
+    this._stepOnce = false;
+}
+
+var prototype = Playable.prototype;
+
+/**
+ * !#en Is playing or paused in play mode?
+ * !#zh 当前是否正在播放。
+ * @property isPlaying
+ * @type {boolean}
+ * @default false
+ * @readOnly
+ */
+js.get(prototype, 'isPlaying', function () {
+    return this._isPlaying;
+}, true);
+
+/**
+ * !#en Is currently paused? This can be true even if in edit mode(isPlaying == false).
+ * !#zh 当前是否正在暂停
+ * @property isPaused
+ * @type {boolean}
+ * @default false
+ * @readOnly
+ */
+js.get(prototype, 'isPaused', function () {
+    return this._isPaused;
+}, true);
+
+// virtual
+
+var virtual = function () {};
+/**
+ * @method onPlay
+ * @private
+ */
+prototype.onPlay = virtual;
+/**
+ * @method onPause
+ * @private
+ */
+prototype.onPause = virtual;
+/**
+ * @method onResume
+ * @private
+ */
+prototype.onResume = virtual;
+/**
+ * @method onStop
+ * @private
+ */
+prototype.onStop = virtual;
+/**
+ * @method onError
+ * @param {string} errorCode
+ * @private
+ */
+prototype.onError = virtual;
+
+// public
+
+/**
+ * !#en Play this animation.
+ * !#zh 播放动画。
+ * @method play
+ */
+prototype.play = function () {
+    if (this._isPlaying) {
+        if (this._isPaused) {
+            this._isPaused = false;
+            this.onResume();
+        }
+        else {
+            this.onError(debug.getError(3912));
+        }
+    }
+    else {
+        this._isPlaying = true;
+        this.onPlay();
+    }
+};
+
+/**
+ * !#en Stop this animation.
+ * !#zh 停止动画播放。
+ * @method stop
+ */
+prototype.stop = function () {
+    if (this._isPlaying) {
+        this._isPlaying = false;
+        this.onStop();
+
+        // need reset pause flag after onStop
+        this._isPaused = false;
+    }
+};
+
+/**
+ * !#en Pause this animation.
+ * !#zh 暂停动画。
+ * @method pause
+ */
+prototype.pause = function () {
+    if (this._isPlaying && !this._isPaused) {
+        this._isPaused = true;
+        this.onPause();
+    }
+};
+
+/**
+ * !#en Resume this animation.
+ * !#zh 重新播放动画。
+ * @method resume
+ */
+prototype.resume = function () {
+    if (this._isPlaying && this._isPaused) {
+        this._isPaused = false;
+        this.onResume();
+    }
+};
+
+/**
+ * !#en Perform a single frame step.
+ * !#zh 执行一帧动画。
+ * @method step
+ */
+prototype.step = function () {
+    this.pause();
+    this._stepOnce = true;
+    if (!this._isPlaying) {
+        this.play();
+    }
+};
+
+module.exports = Playable;