testing/performance/talos/page_load_test/sunspider/3d-cube.html

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  27
  28 <title>SunSpider 3d-cube</title>
  29 <link rel="stylesheet" href="sunspider.css"></link>
  30 </head>
  31
  32 <body>
  33 <h3>3d-cube</h3>
  34 <div id="console">
  35 </div>
  36 <script>
  37
  38
  39 // 3D Cube Rotation
  40 // http://www.speich.net/computer/moztesting/3d.htm
  41 // Created by Simon Speich
  42
  43 var Q = new Array();
  44 var MTrans = new Array();  // transformation matrix
  45 var MQube = new Array();  // position information of qube
  46 var I = new Array();      // entity matrix
  47 var Origin = new Object();
  48 var Testing = new Object();
  49 var LoopTimer;
  50
  51 var DisplArea = new Object();
  52 DisplArea.Width = 300;
  53 DisplArea.Height = 300;
  54
  55 function DrawLine(From, To) {
  56   var x1 = From.V[0];
  57   var x2 = To.V[0];
  58   var y1 = From.V[1];
  59   var y2 = To.V[1];
  60   var dx = Math.abs(x2 - x1);
  61   var dy = Math.abs(y2 - y1);
  62   var x = x1;
  63   var y = y1;
  64   var IncX1, IncY1;
  65   var IncX2, IncY2;
  66   var Den;
  67   var Num;
  68   var NumAdd;
  69   var NumPix;
  70
  71   if (x2 >= x1) {  IncX1 = 1; IncX2 = 1;  }
  72   else { IncX1 = -1; IncX2 = -1; }
  73   if (y2 >= y1)  {  IncY1 = 1; IncY2 = 1; }
  74   else { IncY1 = -1; IncY2 = -1; }
  75   if (dx >= dy) {
  76     IncX1 = 0;
  77     IncY2 = 0;
  78     Den = dx;
  79     Num = dx / 2;
  80     NumAdd = dy;
  81     NumPix = dx;
  82   }
  83   else {
  84     IncX2 = 0;
  85     IncY1 = 0;
  86     Den = dy;
  87     Num = dy / 2;
  88     NumAdd = dx;
  89     NumPix = dy;
  90   }
  91
  92   NumPix = Math.round(Q.LastPx + NumPix);
  93
  94   var i = Q.LastPx;
  95   for (; i < NumPix; i++) {
  96     Num += NumAdd;
  97     if (Num >= Den) {
  98       Num -= Den;
  99       x += IncX1;
 100       y += IncY1;
 101     }
 102     x += IncX2;
 103     y += IncY2;
 104   }
 105   Q.LastPx = NumPix;
 106 }
 107
 108 function CalcCross(V0, V1) {
 109   var Cross = new Array();
 110   Cross[0] = V0[1]*V1[2] - V0[2]*V1[1];
 111   Cross[1] = V0[2]*V1[0] - V0[0]*V1[2];
 112   Cross[2] = V0[0]*V1[1] - V0[1]*V1[0];
 113   return Cross;
 114 }
 115
 116 function CalcNormal(V0, V1, V2) {
 117   var A = new Array();   var B = new Array();
 118   for (var i = 0; i < 3; i++) {
 119     A[i] = V0[i] - V1[i];
 120     B[i] = V2[i] - V1[i];
 121   }
 122   A = CalcCross(A, B);
 123   var Length = Math.sqrt(A[0]*A[0] + A[1]*A[1] + A[2]*A[2]);
 124   for (var i = 0; i < 3; i++) A[i] = A[i] / Length;
 125   A[3] = 1;
 126   return A;
 127 }
 128
 129 function CreateP(X,Y,Z) {
 130   this.V = [X,Y,Z,1];
 131 }
 132
 133 // multiplies two matrices
 134 function MMulti(M1, M2) {
 135   var M = [[],[],[],[]];
 136   var i = 0;
 137   var j = 0;
 138   for (; i < 4; i++) {
 139     j = 0;
 140     for (; j < 4; j++) M[i][j] = M1[i][0] * M2[0][j] + M1[i][1] * M2[1][j] + M1[i][2] * M2[2][j] + M1[i][3] * M2[3][j];
 141   }
 142   return M;
 143 }
 144
 145 //multiplies matrix with vector
 146 function VMulti(M, V) {
 147   var Vect = new Array();
 148   var i = 0;
 149   for (;i < 4; i++) Vect[i] = M[i][0] * V[0] + M[i][1] * V[1] + M[i][2] * V[2] + M[i][3] * V[3];
 150   return Vect;
 151 }
 152
 153 function VMulti2(M, V) {
 154   var Vect = new Array();
 155   var i = 0;
 156   for (;i < 3; i++) Vect[i] = M[i][0] * V[0] + M[i][1] * V[1] + M[i][2] * V[2];
 157   return Vect;
 158 }
 159
 160 // add to matrices
 161 function MAdd(M1, M2) {
 162   var M = [[],[],[],[]];
 163   var i = 0;
 164   var j = 0;
 165   for (; i < 4; i++) {
 166     j = 0;
 167     for (; j < 4; j++) M[i][j] = M1[i][j] + M2[i][j];
 168   }
 169   return M;
 170 }
 171
 172 function Translate(M, Dx, Dy, Dz) {
 173   var T = [
 174   [1,0,0,Dx],
 175   [0,1,0,Dy],
 176   [0,0,1,Dz],
 177   [0,0,0,1]
 178   ];
 179   return MMulti(T, M);
 180 }
 181
 182 function RotateX(M, Phi) {
 183   var a = Phi;
 184   a *= Math.PI / 180;
 185   var Cos = Math.cos(a);
 186   var Sin = Math.sin(a);
 187   var R = [
 188   [1,0,0,0],
 189   [0,Cos,-Sin,0],
 190   [0,Sin,Cos,0],
 191   [0,0,0,1]
 192   ];
 193   return MMulti(R, M);
 194 }
 195
 196 function RotateY(M, Phi) {
 197   var a = Phi;
 198   a *= Math.PI / 180;
 199   var Cos = Math.cos(a);
 200   var Sin = Math.sin(a);
 201   var R = [
 202   [Cos,0,Sin,0],
 203   [0,1,0,0],
 204   [-Sin,0,Cos,0],
 205   [0,0,0,1]
 206   ];
 207   return MMulti(R, M);
 208 }
 209
 210 function RotateZ(M, Phi) {
 211   var a = Phi;
 212   a *= Math.PI / 180;
 213   var Cos = Math.cos(a);
 214   var Sin = Math.sin(a);
 215   var R = [
 216   [Cos,-Sin,0,0],
 217   [Sin,Cos,0,0],
 218   [0,0,1,0],
 219   [0,0,0,1]
 220   ];
 221   return MMulti(R, M);
 222 }
 223
 224 function DrawQube() {
 225   // calc current normals
 226   var CurN = new Array();
 227   var i = 5;
 228   Q.LastPx = 0;
 229   for (; i > -1; i--) CurN[i] = VMulti2(MQube, Q.Normal[i]);
 230   if (CurN[0][2] < 0) {
 231     if (!Q.Line[0]) { DrawLine(Q[0], Q[1]); Q.Line[0] = true; };
 232     if (!Q.Line[1]) { DrawLine(Q[1], Q[2]); Q.Line[1] = true; };
 233     if (!Q.Line[2]) { DrawLine(Q[2], Q[3]); Q.Line[2] = true; };
 234     if (!Q.Line[3]) { DrawLine(Q[3], Q[0]); Q.Line[3] = true; };
 235   }
 236   if (CurN[1][2] < 0) {
 237     if (!Q.Line[2]) { DrawLine(Q[3], Q[2]); Q.Line[2] = true; };
 238     if (!Q.Line[9]) { DrawLine(Q[2], Q[6]); Q.Line[9] = true; };
 239     if (!Q.Line[6]) { DrawLine(Q[6], Q[7]); Q.Line[6] = true; };
 240     if (!Q.Line[10]) { DrawLine(Q[7], Q[3]); Q.Line[10] = true; };
 241   }
 242   if (CurN[2][2] < 0) {
 243     if (!Q.Line[4]) { DrawLine(Q[4], Q[5]); Q.Line[4] = true; };
 244     if (!Q.Line[5]) { DrawLine(Q[5], Q[6]); Q.Line[5] = true; };
 245     if (!Q.Line[6]) { DrawLine(Q[6], Q[7]); Q.Line[6] = true; };
 246     if (!Q.Line[7]) { DrawLine(Q[7], Q[4]); Q.Line[7] = true; };
 247   }
 248   if (CurN[3][2] < 0) {
 249     if (!Q.Line[4]) { DrawLine(Q[4], Q[5]); Q.Line[4] = true; };
 250     if (!Q.Line[8]) { DrawLine(Q[5], Q[1]); Q.Line[8] = true; };
 251     if (!Q.Line[0]) { DrawLine(Q[1], Q[0]); Q.Line[0] = true; };
 252     if (!Q.Line[11]) { DrawLine(Q[0], Q[4]); Q.Line[11] = true; };
 253   }
 254   if (CurN[4][2] < 0) {
 255     if (!Q.Line[11]) { DrawLine(Q[4], Q[0]); Q.Line[11] = true; };
 256     if (!Q.Line[3]) { DrawLine(Q[0], Q[3]); Q.Line[3] = true; };
 257     if (!Q.Line[10]) { DrawLine(Q[3], Q[7]); Q.Line[10] = true; };
 258     if (!Q.Line[7]) { DrawLine(Q[7], Q[4]); Q.Line[7] = true; };
 259   }
 260   if (CurN[5][2] < 0) {
 261     if (!Q.Line[8]) { DrawLine(Q[1], Q[5]); Q.Line[8] = true; };
 262     if (!Q.Line[5]) { DrawLine(Q[5], Q[6]); Q.Line[5] = true; };
 263     if (!Q.Line[9]) { DrawLine(Q[6], Q[2]); Q.Line[9] = true; };
 264     if (!Q.Line[1]) { DrawLine(Q[2], Q[1]); Q.Line[1] = true; };
 265   }
 266   Q.Line = [false,false,false,false,false,false,false,false,false,false,false,false];
 267   Q.LastPx = 0;
 268 }
 269
 270 function Loop() {
 271   if (Testing.LoopCount > Testing.LoopMax) return;
 272   var TestingStr = String(Testing.LoopCount);
 273   while (TestingStr.length < 3) TestingStr = "0" + TestingStr;
 274   MTrans = Translate(I, -Q[8].V[0], -Q[8].V[1], -Q[8].V[2]);
 275   MTrans = RotateX(MTrans, 1);
 276   MTrans = RotateY(MTrans, 3);
 277   MTrans = RotateZ(MTrans, 5);
 278   MTrans = Translate(MTrans, Q[8].V[0], Q[8].V[1], Q[8].V[2]);
 279   MQube = MMulti(MTrans, MQube);
 280   var i = 8;
 281   for (; i > -1; i--) {
 282     Q[i].V = VMulti(MTrans, Q[i].V);
 283   }
 284   DrawQube();
 285   Testing.LoopCount++;
 286   Loop();
 287 }
 288
 289 function Init(CubeSize) {
 290   // init/reset vars
 291   Origin.V = [150,150,20,1];
 292   Testing.LoopCount = 0;
 293   Testing.LoopMax = 50;
 294   Testing.TimeMax = 0;
 295   Testing.TimeAvg = 0;
 296   Testing.TimeMin = 0;
 297   Testing.TimeTemp = 0;
 298   Testing.TimeTotal = 0;
 299   Testing.Init = false;
 300
 301   // transformation matrix
 302   MTrans = [
 303   [1,0,0,0],
 304   [0,1,0,0],
 305   [0,0,1,0],
 306   [0,0,0,1]
 307   ];
 308
 309   // position information of qube
 310   MQube = [
 311   [1,0,0,0],
 312   [0,1,0,0],
 313   [0,0,1,0],
 314   [0,0,0,1]
 315   ];
 316
 317   // entity matrix
 318   I = [
 319   [1,0,0,0],
 320   [0,1,0,0],
 321   [0,0,1,0],
 322   [0,0,0,1]
 323   ];
 324
 325   // create qube
 326   Q[0] = new CreateP(-CubeSize,-CubeSize, CubeSize);
 327   Q[1] = new CreateP(-CubeSize, CubeSize, CubeSize);
 328   Q[2] = new CreateP( CubeSize, CubeSize, CubeSize);
 329   Q[3] = new CreateP( CubeSize,-CubeSize, CubeSize);
 330   Q[4] = new CreateP(-CubeSize,-CubeSize,-CubeSize);
 331   Q[5] = new CreateP(-CubeSize, CubeSize,-CubeSize);
 332   Q[6] = new CreateP( CubeSize, CubeSize,-CubeSize);
 333   Q[7] = new CreateP( CubeSize,-CubeSize,-CubeSize);
 334
 335   // center of gravity
 336   Q[8] = new CreateP(0, 0, 0);
 337
 338   // anti-clockwise edge check
 339   Q.Edge = [[0,1,2],[3,2,6],[7,6,5],[4,5,1],[4,0,3],[1,5,6]];
 340
 341   // calculate squad normals
 342   Q.Normal = new Array();
 343   for (var i = 0; i < Q.Edge.length; i++) Q.Normal[i] = CalcNormal(Q[Q.Edge[i][0]].V, Q[Q.Edge[i][1]].V, Q[Q.Edge[i][2]].V);
 344
 345   // line drawn ?
 346   Q.Line = [false,false,false,false,false,false,false,false,false,false,false,false];
 347
 348   // create line pixels
 349   Q.NumPx = 9 * 2 * CubeSize;
 350   for (var i = 0; i < Q.NumPx; i++) CreateP(0,0,0);
 351
 352   MTrans = Translate(MTrans, Origin.V[0], Origin.V[1], Origin.V[2]);
 353   MQube = MMulti(MTrans, MQube);
 354
 355   var i = 0;
 356   for (; i < 9; i++) {
 357     Q[i].V = VMulti(MTrans, Q[i].V);
 358   }
 359   DrawQube();
 360   Testing.Init = true;
 361   Loop();
 362 }
 363
 364 for ( var i = 20; i <= 160; i *= 2 ) {
 365   Init(i);
 366 }
 367
 368 Q = null;
 369 MTrans = null;
 370 MQube = null;
 371 I = null;
 372 Origin = null;
 373 Testing = null;
 374 LoopTime = null;
 375 DisplArea = null;
 376
 377
 378
 379 </script>
 380
 381
 382 </body>
 383 </html>