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annotate drawObj/drawObj.html @ 3:d17004426a74

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add drawObj
author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Sun, 15 Apr 2012 19:03:54 +0900
parents
children 86eb5933aeb9
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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1 <html>
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2 <head>
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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3 <title>WebGL dandy</title>
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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4 <script src="resources/J3DI.js"> </script>
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5 <script src="resources/J3DIMath.js"> </script>
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6 <script src="resources/parse.js"> </script>
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7 <script src="resources/makePanel.js"> </script>
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8 <script src="resources/jkl-parsexml.js"> </script>
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9 <script src="resources/keyboard.js"> </script>
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10 <script src="resources/mouse.js"> </script>
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11 </head>
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12
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13 <script id="vshader" type="x-shader/x-vertex">
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14 uniform mat4 u_modelViewProjMatrix;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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15 uniform mat4 u_normalMatrix;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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16 uniform vec3 lightDir;
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17
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18 attribute vec3 vNormal;
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19 attribute vec4 vTexCoord;
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20 attribute vec4 vPosition;
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21
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22 varying float v_Dot;
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23 varying vec2 v_texCoord;
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24
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25 void main()
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26 {
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27 gl_Position = u_modelViewProjMatrix * vPosition;
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28 v_texCoord = vTexCoord.st;
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29 vec4 transNormal = u_normalMatrix * vec4(vNormal,1);
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30 v_Dot = max(dot(transNormal.xyz, lightDir), 0.0);
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31 }
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32 </script>
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33
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34 <script id="fshader" type="x-shader/x-fragment">
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35 #ifdef GL_ES
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36 precision mediump float;
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37 #endif
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38
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39 uniform sampler2D sampler2d;
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40
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41 varying float v_Dot;
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42 varying vec2 v_texCoord;
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43
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44 void main()
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45 {
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46 vec4 color = texture2D(sampler2d,v_texCoord);
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47 color += vec4(0.1,0.1,0.1,1);
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48 if(color.a == 1.0)color=vec4(1,0,0,1);
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49 else color=vec4(0,1,1,1);
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50 gl_FragColor = vec4(color.xyz * v_Dot, color.a);
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51 gl_FragColor = vec4(color.xyz * v_Dot, 0.5);
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52 }
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53 </script>
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54
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55
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56 <script>
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57 //画面(canvas)の大きさ
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58 var w = 1024;
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59 var h = 640;
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60 function init()
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61 {
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62 gl = initWebGL("game", "vshader", "fshader",
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63 [ "vNormal", "vTexCoord", "vPosition"],
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64 [ 0, 0, 0, 1 ], 10000);
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65
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66 gl.uniform3f(gl.getUniformLocation(gl.program, "lightDir"), 0, 0, 1);
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67 gl.uniform1i(gl.getUniformLocation(gl.program, "sampler2d"), 0);
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68
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69 gl.enable(gl.TEXTURE_2D);
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70
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71 parseXml(gl);//parse.js
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72
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73 return gl;
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74 }
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75
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76
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77 function parseXml(gl)
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78 {
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79 loadObjXml(gl, "./xml/cube.xml");
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80 }
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81
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82
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83 function reshape(ctx, ortho)
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84 {
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85 var canvas = document.getElementById('game');
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86
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87 width = canvas.width;
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88 height = canvas.height;
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89
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90 ctx.viewport(0, 0, width, height);
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91
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92 var t = width/height;
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93
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94 ctx.perspectiveMatrix = new J3DIMatrix4();
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95 ctx.perspectiveMatrix.frustum(-0.5, 0.5, -0.5 / t, 0.5 / t, 1, 100000);
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96
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97 }
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98
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99
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100 FILPCOUNT = 0;
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101 function loop(ctx, ortho)
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102 {
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103 ctx.clear(ctx.COLOR_BUFFER_BIT | ctx.DEPTH_BUFFER_BIT);
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104
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105 PutSpriteV(ctx, 0, 0, -10, 2, matrix, object);
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106
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107 ctx.flush();
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108
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109 FILPCOUNT++;
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110 framerate.snapshot();
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111 }
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112
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113
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114
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115 function opening(ctx, ortho)
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116 {
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117 reshape(ctx, ortho);
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118 ctx.clear(ctx.COLOR_BUFFER_BIT | ctx.DEPTH_BUFFER_BIT);
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119
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120 ctx.flush();
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121
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122 var f = function() { loop(ctx, ortho); };
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123 setInterval(f, 10);
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124
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125 }
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126
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127
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128 // display size
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129 var W = 1024;
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130 var H = 640;
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131
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132 function start()
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133 {
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134 var ortho = {left:0, right:200, bottom:140, top:0}
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135 matrix = new J3DIMatrix4(); // global variable
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136
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137 // var c = document.getElementById("game");
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138 // c.width = W;
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139 // c.height = H;
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140
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141 var ctx = init();
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142 object = gl.obj["Cube"]; // default object.
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143
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144 o = function() {opening(ctx, ortho);};
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145 setTimeout(o, 10);
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146 framerate = new Framerate("framerate");
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147 }
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148
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149
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150 function loadFile(objectname)
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151 {
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152 var filename = "./xml/"+objectname+".xml";
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153 loadObjXml(gl, filename);
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154 console.log(filename);
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155 object = gl.obj[objectname];
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156 }
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157
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158 function objToString(obj,map,indent){
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159 indent=indent?indent+"\t":"";if(!map)map={};
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160 if(map[obj])return;
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161 map[obj]=true;
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162 if(typeof obj=="string"||typeof obj=="number"||typeof obj=="boolena")return indent+obj;
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163 if(typeof obj=="array"){
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164
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165 for(var i=0,s="";i < obj.length;i++ )s+=objToString(obj[i],map,indent)+",";
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166 return indent+"["+s+"]";
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167 }
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168 var s="";for(var i in obj)s+=indent+"\t"+i+":"+objToString(obj[i],map)+"\n";return indent+"{"+s+"}";
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169 }
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170
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171 </script>
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172
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173 <body onload="start()" onkeydown="keyboardDown()" onkeypress="keyboardPress()" onkeyup="keyboardUp()"
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174 onmousedown="mouseDown();" onmouseup="mouseUp();" style='overflow:hidden; '>
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175 <canvas id="game" width=1024 height=640 >
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176 </canvas>
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177 <form onsubmit="loadFile(document.getElementById('filename').value);return false;">
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178 <input type="text" id="filename" value="Cube">
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179 </form>
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180 <div id="framerate"></div>
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181 <div id="console"></div>
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182
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183
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184 </body>
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185
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186 </html>