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annotate nodejs/examples/mce/mainmenu.js @ 912:a934ad0c8968

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Add the sample app framework. The scene framework will be added latter for multi scene applications.
author wycc
date Tue, 19 Oct 2010 04:07:47 +0800
parents
children 80000948fcde
rev   line source
912
a934ad0c8968 Add the sample app framework. The scene framework will be added latter for multi scene applications.
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
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2 // vim: sw=4:ts=8:sts=4
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3 var svg = require("svg");
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4 var mbapp = require("mbapp");
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5 var sys=require("sys");
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6 var animate=require("animate");
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7 var fs = require("fs");
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8
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9 function MainMenu(app)
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10 {
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11 var self = this;
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12 app.loadSVG("desktop.svg");
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13
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14 this.video = app.get("video");
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15 this.audio = app.get("audio");
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16 this.picture = app.get("picture");
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17 this.setting = app.get("setting");
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18 this.app = app;
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19
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20 this.lightbar = app.get("lightbar");
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21 this.lines = [];
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22 for(i = 0; i < 5; i++) {
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23 var line = app.get("line" + (i + 1));
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24 this.lines.push(line);
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25 }
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26 this.line=0;
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27
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28 this.items=[this.video, this.audio, this.picture, this.setting];
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29 this.item = 0;
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30
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31 animate.run([new animate.scale(app,this.items[this.item], 1, 1.5)], 0, 0.1);
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32 app.refresh();
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33
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34 app.addKeyListener(mbapp.KEY_LEFT, function() { self.key_left();});
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35 app.addKeyListener(mbapp.KEY_RIGHT, function() { self.key_right();});
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36 app.addKeyListener(mbapp.KEY_UP, function() {self.key_up();});
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37 app.addKeyListener(mbapp.KEY_DOWN, function() {self.key_down();});
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38 app.addKeyListener(mbapp.KEY_ENTER, function() {self.key_enter();});
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39 }
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40
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41 MainMenu.prototype.key_left=function ()
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42 {
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43 var old = this.items[this.item];
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44 this.item = this.item - 1;
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45 if (this.item == -1) {
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46 this.item = 0;
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47 return;
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48 }
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49
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50 var target = this.items[this.item];
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51
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52 old.bbox.update();
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53 target.bbox.update();
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54
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55 var an = new animate.scale(this.app, old, 1, 1);
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56 animate.run([an], 0, 0.1);
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57 an = new animate.scale(this.app, target, 1, 1.5);
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58 animate.run([an], 0, 0.3);
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59 }
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60
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61 MainMenu.prototype.key_right=function()
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62 {
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63 var old = this.items[this.item];
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64 this.item = this.item + 1;
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65 if (this.item == this.items.length) {
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66 this.item = this.item - 1;
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67 return;
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68 }
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69
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70 var target = this.items[this.item];
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71
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72 old.bbox.update();
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73 target.bbox.update();
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74
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75 var an = new animate.scale(this.app, old, 1, 1);
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76 animate.run([an], 0, 0.1);
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77 an = new animate.scale(this.app, target, 1, 1.5);
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78 animate.run([an], 0, 0.3);
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79 }
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80
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81 MainMenu.prototype.key_up=function()
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82 {
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83 var old = this.lines[this.line];
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84 this.line = this.line - 1;
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85 if (this.line == -1) {
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86 this.line = 0;
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87 return;
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88 }
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89 var target = this.lines[this.line];
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90 var sy = target.center.y - this.lightbar.center.y;
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91 var an = new animate.shift(this.app, this.lightbar, 0, sy);
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92 animate.run([an], 0, 0.3);
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93 }
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94
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95
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96 MainMenu.prototype.key_down=function ()
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97 {
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98 var old = this.lines[this.line];
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99 this.line = this.line + 1;
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100 if (this.line == this.lines.length) {
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101 this.line = this.line - 1;
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102 return;
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103 }
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104 var target = this.lines[this.line];
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105 var sy = target.center.y - this.lightbar.center.y;
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106 var an = new animate.shift(this.app, this.lightbar, 0, sy);
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107 animate.run([an], 0, 0.3);
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108 }
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109
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110 MainMenu.prototype.key_enter=function()
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111 {
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112 var target = this.items[this.item];
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113 var sx = 500 - target.center.x;
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114 var sy = 220 - target.center.y;
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115 var an = new animate.shift(this.app,target,sx,sy,1);
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116 an.start();
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117 for(i=0;i<this.items.length;i++) {
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118 if (i == this.item) continue;
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119 var x = Math.random();
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120 var y = Math.random();
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121 if (x > 0.5) x = 900;
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122 else x = -500;
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123 if (y > 0.5) y = 900;
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124 else y = -500;
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125 sx = x - this.items[i].center.x;
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126 sy = y - this.items[i].center.y;
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127 an = new animate.shift(this.app,this.items[i], sx, sy);
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128 animate.run([an], 0, 2);
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129 alpha = new animate.alpha(this.app,this.items[i], 0);
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130 animate.run([an], 0, 1);
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131 }
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132 }
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133
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134 exports.MainMenu=MainMenu;