MonkeyGG2
84 lines
1.5 KiB
JavaScript
84 lines
1.5 KiB
JavaScript
/**
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* @fileoverview Switcher
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* @author Random | http://weibo.com/random
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* @date 2015-03-04
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*/
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define(function(require, exports, module) {
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"use strict";
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function Switcher(stage, width, height){
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var color;
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var callBack = null;
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var type;
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var isEnd = false;
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var me = {
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point : [0, 0],
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enabled : false,
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color : "#c8c8c8",
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update : function(){
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var p = me.point;
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var v = 30;
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if(me.enabled){
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if(type === 0){
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color = me.color;
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if(p[0] < width / 2){
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p[0] = Math.min(p[0] + v, width / 2);
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me.point = p;
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}else{
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me.point = p;
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isEnd = true;
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}
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}else if(type === 1){
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color = "#000";
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if(p[0] > width / 2){
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p[0] = Math.max(p[0] - v, width / 2);
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me.point = p;
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}else{
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me.point = p;
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isEnd = true;
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}
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}
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}
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},
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render : function(){
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var p = me.point;
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if(me.enabled){
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stage.fillStyle = color;
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stage.fillRect(p[0] - width / 2, p[1] - height / 2, width, height);
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if(isEnd){
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me.enabled = false
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callBack && callBack();
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}
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}
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},
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switchStage : function(tp, cb){
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if(tp === 0){
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me.point = [-width / 2, height /2];
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}else if(tp === 1){
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stage.fillStyle = me.color;
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stage.fillRect(0, 0, width, height);
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me.point = [width + width / 2, height /2];
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}
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me.enabled = true;
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isEnd = false;
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type = tp;
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callBack = cb;
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}
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};
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return me;
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}
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module.exports = Switcher;
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}); |