src/third_party/mozjs-45/build/pgo/js-input/sunspider/3d-cube.html - cobalt - Git at Google

 <!DOCTYPE html>
 <head>
 <!--
  Copyright (C) 2007 Apple Inc.  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:
  1. Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.

  THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 -->

 <title>SunSpider 3d-cube</title>

 </head>

 <body>
 <h3>3d-cube</h3>
 <div id="console">
 </div>

 <script>

 var _sunSpiderStartDate = new Date();

 // 3D Cube Rotation
 // http://www.speich.net/computer/moztesting/3d.htm
 // Created by Simon Speich

 var Q = new Array();
 var MTrans = new Array();  // transformation matrix
 var MQube = new Array();  // position information of qube
 var I = new Array();      // entity matrix
 var Origin = new Object();
 var Testing = new Object();
 var LoopTimer;

 var DisplArea = new Object();
 DisplArea.Width = 300;
 DisplArea.Height = 300;

 function DrawLine(From, To) {
   var x1 = From.V[0];
   var x2 = To.V[0];
   var y1 = From.V[1];
   var y2 = To.V[1];
   var dx = Math.abs(x2 - x1);
   var dy = Math.abs(y2 - y1);
   var x = x1;
   var y = y1;
   var IncX1, IncY1;
   var IncX2, IncY2;
   var Den;
   var Num;
   var NumAdd;
   var NumPix;

   if (x2 >= x1) {  IncX1 = 1; IncX2 = 1;  }
   else { IncX1 = -1; IncX2 = -1; }
   if (y2 >= y1)  {  IncY1 = 1; IncY2 = 1; }
   else { IncY1 = -1; IncY2 = -1; }
   if (dx >= dy) {
     IncX1 = 0;
     IncY2 = 0;
     Den = dx;
     Num = dx / 2;
     NumAdd = dy;
     NumPix = dx;
   }
   else {
     IncX2 = 0;
     IncY1 = 0;
     Den = dy;
     Num = dy / 2;
     NumAdd = dx;
     NumPix = dy;
   }

   NumPix = Math.round(Q.LastPx + NumPix);

   var i = Q.LastPx;
   for (; i < NumPix; i++) {
     Num += NumAdd;
     if (Num >= Den) {
       Num -= Den;
       x += IncX1;
       y += IncY1;
     }
     x += IncX2;
     y += IncY2;
   }
   Q.LastPx = NumPix;
 }

 function CalcCross(V0, V1) {
   var Cross = new Array();
   Cross[0] = V0[1]*V1[2] - V0[2]*V1[1];
   Cross[1] = V0[2]*V1[0] - V0[0]*V1[2];
   Cross[2] = V0[0]*V1[1] - V0[1]*V1[0];
   return Cross;
 }

 function CalcNormal(V0, V1, V2) {
   var A = new Array();   var B = new Array();
   for (var i = 0; i < 3; i++) {
     A[i] = V0[i] - V1[i];
     B[i] = V2[i] - V1[i];
   }
   A = CalcCross(A, B);
   var Length = Math.sqrt(A[0]*A[0] + A[1]*A[1] + A[2]*A[2]);
   for (var i = 0; i < 3; i++) A[i] = A[i] / Length;
   A[3] = 1;
   return A;
 }

 function CreateP(X,Y,Z) {
   this.V = [X,Y,Z,1];
 }

 // multiplies two matrices
 function MMulti(M1, M2) {
   var M = [[],[],[],[]];
   var i = 0;
   var j = 0;
   for (; i < 4; i++) {
     j = 0;
     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];
   }
   return M;
 }

 //multiplies matrix with vector
 function VMulti(M, V) {
   var Vect = new Array();
   var i = 0;
   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];
   return Vect;
 }

 function VMulti2(M, V) {
   var Vect = new Array();
   var i = 0;
   for (;i < 3; i++) Vect[i] = M[i][0] * V[0] + M[i][1] * V[1] + M[i][2] * V[2];
   return Vect;
 }

 // add to matrices
 function MAdd(M1, M2) {
   var M = [[],[],[],[]];
   var i = 0;
   var j = 0;
   for (; i < 4; i++) {
     j = 0;
     for (; j < 4; j++) M[i][j] = M1[i][j] + M2[i][j];
   }
   return M;
 }

 function Translate(M, Dx, Dy, Dz) {
   var T = [
   [1,0,0,Dx],
   [0,1,0,Dy],
   [0,0,1,Dz],
   [0,0,0,1]
   ];
   return MMulti(T, M);
 }

 function RotateX(M, Phi) {
   var a = Phi;
   a *= Math.PI / 180;
   var Cos = Math.cos(a);
   var Sin = Math.sin(a);
   var R = [
   [1,0,0,0],
   [0,Cos,-Sin,0],
   [0,Sin,Cos,0],
   [0,0,0,1]
   ];
   return MMulti(R, M);
 }

 function RotateY(M, Phi) {
   var a = Phi;
   a *= Math.PI / 180;
   var Cos = Math.cos(a);
   var Sin = Math.sin(a);
   var R = [
   [Cos,0,Sin,0],
   [0,1,0,0],
   [-Sin,0,Cos,0],
   [0,0,0,1]
   ];
   return MMulti(R, M);
 }

 function RotateZ(M, Phi) {
   var a = Phi;
   a *= Math.PI / 180;
   var Cos = Math.cos(a);
   var Sin = Math.sin(a);
   var R = [
   [Cos,-Sin,0,0],
   [Sin,Cos,0,0],
   [0,0,1,0],
   [0,0,0,1]
   ];
   return MMulti(R, M);
 }

 function DrawQube() {
   // calc current normals
   var CurN = new Array();
   var i = 5;
   Q.LastPx = 0;
   for (; i > -1; i--) CurN[i] = VMulti2(MQube, Q.Normal[i]);
   if (CurN[0][2] < 0) {
     if (!Q.Line[0]) { DrawLine(Q[0], Q[1]); Q.Line[0] = true; };
     if (!Q.Line[1]) { DrawLine(Q[1], Q[2]); Q.Line[1] = true; };
     if (!Q.Line[2]) { DrawLine(Q[2], Q[3]); Q.Line[2] = true; };
     if (!Q.Line[3]) { DrawLine(Q[3], Q[0]); Q.Line[3] = true; };
   }
   if (CurN[1][2] < 0) {
     if (!Q.Line[2]) { DrawLine(Q[3], Q[2]); Q.Line[2] = true; };
     if (!Q.Line[9]) { DrawLine(Q[2], Q[6]); Q.Line[9] = true; };
     if (!Q.Line[6]) { DrawLine(Q[6], Q[7]); Q.Line[6] = true; };
     if (!Q.Line[10]) { DrawLine(Q[7], Q[3]); Q.Line[10] = true; };
   }
   if (CurN[2][2] < 0) {
     if (!Q.Line[4]) { DrawLine(Q[4], Q[5]); Q.Line[4] = true; };
     if (!Q.Line[5]) { DrawLine(Q[5], Q[6]); Q.Line[5] = true; };
     if (!Q.Line[6]) { DrawLine(Q[6], Q[7]); Q.Line[6] = true; };
     if (!Q.Line[7]) { DrawLine(Q[7], Q[4]); Q.Line[7] = true; };
   }
   if (CurN[3][2] < 0) {
     if (!Q.Line[4]) { DrawLine(Q[4], Q[5]); Q.Line[4] = true; };
     if (!Q.Line[8]) { DrawLine(Q[5], Q[1]); Q.Line[8] = true; };
     if (!Q.Line[0]) { DrawLine(Q[1], Q[0]); Q.Line[0] = true; };
     if (!Q.Line[11]) { DrawLine(Q[0], Q[4]); Q.Line[11] = true; };
   }
   if (CurN[4][2] < 0) {
     if (!Q.Line[11]) { DrawLine(Q[4], Q[0]); Q.Line[11] = true; };
     if (!Q.Line[3]) { DrawLine(Q[0], Q[3]); Q.Line[3] = true; };
     if (!Q.Line[10]) { DrawLine(Q[3], Q[7]); Q.Line[10] = true; };
     if (!Q.Line[7]) { DrawLine(Q[7], Q[4]); Q.Line[7] = true; };
   }
   if (CurN[5][2] < 0) {
     if (!Q.Line[8]) { DrawLine(Q[1], Q[5]); Q.Line[8] = true; };
     if (!Q.Line[5]) { DrawLine(Q[5], Q[6]); Q.Line[5] = true; };
     if (!Q.Line[9]) { DrawLine(Q[6], Q[2]); Q.Line[9] = true; };
     if (!Q.Line[1]) { DrawLine(Q[2], Q[1]); Q.Line[1] = true; };
   }
   Q.Line = [false,false,false,false,false,false,false,false,false,false,false,false];
   Q.LastPx = 0;
 }

 function Loop() {
   if (Testing.LoopCount > Testing.LoopMax) return;
   var TestingStr = String(Testing.LoopCount);
   while (TestingStr.length < 3) TestingStr = "0" + TestingStr;
   MTrans = Translate(I, -Q[8].V[0], -Q[8].V[1], -Q[8].V[2]);
   MTrans = RotateX(MTrans, 1);
   MTrans = RotateY(MTrans, 3);
   MTrans = RotateZ(MTrans, 5);
   MTrans = Translate(MTrans, Q[8].V[0], Q[8].V[1], Q[8].V[2]);
   MQube = MMulti(MTrans, MQube);
   var i = 8;
   for (; i > -1; i--) {
     Q[i].V = VMulti(MTrans, Q[i].V);
   }
   DrawQube();
   Testing.LoopCount++;
   Loop();
 }

 function Init(CubeSize) {
   // init/reset vars
   Origin.V = [150,150,20,1];
   Testing.LoopCount = 0;
   Testing.LoopMax = 50;
   Testing.TimeMax = 0;
   Testing.TimeAvg = 0;
   Testing.TimeMin = 0;
   Testing.TimeTemp = 0;
   Testing.TimeTotal = 0;
   Testing.Init = false;

   // transformation matrix
   MTrans = [
   [1,0,0,0],
   [0,1,0,0],
   [0,0,1,0],
   [0,0,0,1]
   ];

   // position information of qube
   MQube = [
   [1,0,0,0],
   [0,1,0,0],
   [0,0,1,0],
   [0,0,0,1]
   ];

   // entity matrix
   I = [
   [1,0,0,0],
   [0,1,0,0],
   [0,0,1,0],
   [0,0,0,1]
   ];

   // create qube
   Q[0] = new CreateP(-CubeSize,-CubeSize, CubeSize);
   Q[1] = new CreateP(-CubeSize, CubeSize, CubeSize);
   Q[2] = new CreateP( CubeSize, CubeSize, CubeSize);
   Q[3] = new CreateP( CubeSize,-CubeSize, CubeSize);
   Q[4] = new CreateP(-CubeSize,-CubeSize,-CubeSize);
   Q[5] = new CreateP(-CubeSize, CubeSize,-CubeSize);
   Q[6] = new CreateP( CubeSize, CubeSize,-CubeSize);
   Q[7] = new CreateP( CubeSize,-CubeSize,-CubeSize);

   // center of gravity
   Q[8] = new CreateP(0, 0, 0);

   // anti-clockwise edge check
   Q.Edge = [[0,1,2],[3,2,6],[7,6,5],[4,5,1],[4,0,3],[1,5,6]];

   // calculate squad normals
   Q.Normal = new Array();
   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);

   // line drawn ?
   Q.Line = [false,false,false,false,false,false,false,false,false,false,false,false];

   // create line pixels
   Q.NumPx = 9 * 2 * CubeSize;
   for (var i = 0; i < Q.NumPx; i++) CreateP(0,0,0);

   MTrans = Translate(MTrans, Origin.V[0], Origin.V[1], Origin.V[2]);
   MQube = MMulti(MTrans, MQube);

   var i = 0;
   for (; i < 9; i++) {
     Q[i].V = VMulti(MTrans, Q[i].V);
   }
   DrawQube();
   Testing.Init = true;
   Loop();
 }

 for ( var i = 20; i <= 160; i *= 2 ) {
   Init(i);
 }

 Q = null;
 MTrans = null;
 MQube = null;
 I = null;
 Origin = null;
 Testing = null;
 LoopTime = null;
 DisplArea = null;


 var _sunSpiderInterval = new Date() - _sunSpiderStartDate;

 document.getElementById("console").innerHTML = _sunSpiderInterval;
 </script>


 </body>
 </html>
	<!DOCTYPE html>
	<head>
	<!--
	Copyright (C) 2007 Apple Inc. All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions
	are met:
	1. Redistributions of source code must retain the above copyright
	notice, this list of conditions and the following disclaimer.
	2. Redistributions in binary form must reproduce the above copyright
	notice, this list of conditions and the following disclaimer in the
	documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
	EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
	CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
	OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	-->

	<title>SunSpider 3d-cube</title>

	</head>

	<body>
	<h3>3d-cube</h3>
	<div id="console">
	</div>

	<script>

	var _sunSpiderStartDate = new Date();

	// 3D Cube Rotation
	// http://www.speich.net/computer/moztesting/3d.htm
	// Created by Simon Speich

	var Q = new Array();
	var MTrans = new Array(); // transformation matrix
	var MQube = new Array(); // position information of qube
	var I = new Array(); // entity matrix
	var Origin = new Object();
	var Testing = new Object();
	var LoopTimer;

	var DisplArea = new Object();
	DisplArea.Width = 300;
	DisplArea.Height = 300;

	function DrawLine(From, To) {
	var x1 = From.V[0];
	var x2 = To.V[0];
	var y1 = From.V[1];
	var y2 = To.V[1];
	var dx = Math.abs(x2 - x1);
	var dy = Math.abs(y2 - y1);
	var x = x1;
	var y = y1;
	var IncX1, IncY1;
	var IncX2, IncY2;
	var Den;
	var Num;
	var NumAdd;
	var NumPix;

	if (x2 >= x1) { IncX1 = 1; IncX2 = 1; }
	else { IncX1 = -1; IncX2 = -1; }
	if (y2 >= y1) { IncY1 = 1; IncY2 = 1; }
	else { IncY1 = -1; IncY2 = -1; }
	if (dx >= dy) {
	IncX1 = 0;
	IncY2 = 0;
	Den = dx;
	Num = dx / 2;
	NumAdd = dy;
	NumPix = dx;
	}
	else {
	IncX2 = 0;
	IncY1 = 0;
	Den = dy;
	Num = dy / 2;
	NumAdd = dx;
	NumPix = dy;
	}

	NumPix = Math.round(Q.LastPx + NumPix);

	var i = Q.LastPx;
	for (; i < NumPix; i++) {
	Num += NumAdd;
	if (Num >= Den) {
	Num -= Den;
	x += IncX1;
	y += IncY1;
	}
	x += IncX2;
	y += IncY2;
	}
	Q.LastPx = NumPix;
	}

	function CalcCross(V0, V1) {
	var Cross = new Array();
	Cross[0] = V0[1]V1[2] - V0[2]V1[1];
	Cross[1] = V0[2]V1[0] - V0[0]V1[2];
	Cross[2] = V0[0]V1[1] - V0[1]V1[0];
	return Cross;
	}

	function CalcNormal(V0, V1, V2) {
	var A = new Array(); var B = new Array();
	for (var i = 0; i < 3; i++) {
	A[i] = V0[i] - V1[i];
	B[i] = V2[i] - V1[i];
	}
	A = CalcCross(A, B);
	var Length = Math.sqrt(A[0]A[0] + A[1]A[1] + A[2]*A[2]);
	for (var i = 0; i < 3; i++) A[i] = A[i] / Length;
	A[3] = 1;
	return A;
	}

	function CreateP(X,Y,Z) {
	this.V = [X,Y,Z,1];
	}

	// multiplies two matrices
	function MMulti(M1, M2) {
	var M = [[],[],[],[]];
	var i = 0;
	var j = 0;
	for (; i < 4; i++) {
	j = 0;
	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];
	}
	return M;
	}

	//multiplies matrix with vector
	function VMulti(M, V) {
	var Vect = new Array();
	var i = 0;
	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];
	return Vect;
	}

	function VMulti2(M, V) {
	var Vect = new Array();
	var i = 0;
	for (;i < 3; i++) Vect[i] = M[i][0] * V[0] + M[i][1] * V[1] + M[i][2] * V[2];
	return Vect;
	}

	// add to matrices
	function MAdd(M1, M2) {
	var M = [[],[],[],[]];
	var i = 0;
	var j = 0;
	for (; i < 4; i++) {
	j = 0;
	for (; j < 4; j++) M[i][j] = M1[i][j] + M2[i][j];
	}
	return M;
	}

	function Translate(M, Dx, Dy, Dz) {
	var T = [
	[1,0,0,Dx],
	[0,1,0,Dy],
	[0,0,1,Dz],
	[0,0,0,1]
	];
	return MMulti(T, M);
	}

	function RotateX(M, Phi) {
	var a = Phi;
	a *= Math.PI / 180;
	var Cos = Math.cos(a);
	var Sin = Math.sin(a);
	var R = [
	[1,0,0,0],
	[0,Cos,-Sin,0],
	[0,Sin,Cos,0],
	[0,0,0,1]
	];
	return MMulti(R, M);
	}

	function RotateY(M, Phi) {
	var a = Phi;
	a *= Math.PI / 180;
	var Cos = Math.cos(a);
	var Sin = Math.sin(a);
	var R = [
	[Cos,0,Sin,0],
	[0,1,0,0],
	[-Sin,0,Cos,0],
	[0,0,0,1]
	];
	return MMulti(R, M);
	}

	function RotateZ(M, Phi) {
	var a = Phi;
	a *= Math.PI / 180;
	var Cos = Math.cos(a);
	var Sin = Math.sin(a);
	var R = [
	[Cos,-Sin,0,0],
	[Sin,Cos,0,0],
	[0,0,1,0],
	[0,0,0,1]
	];
	return MMulti(R, M);
	}

	function DrawQube() {
	// calc current normals
	var CurN = new Array();
	var i = 5;
	Q.LastPx = 0;
	for (; i > -1; i--) CurN[i] = VMulti2(MQube, Q.Normal[i]);
	if (CurN[0][2] < 0) {
	if (!Q.Line[0]) { DrawLine(Q[0], Q[1]); Q.Line[0] = true; };
	if (!Q.Line[1]) { DrawLine(Q[1], Q[2]); Q.Line[1] = true; };
	if (!Q.Line[2]) { DrawLine(Q[2], Q[3]); Q.Line[2] = true; };
	if (!Q.Line[3]) { DrawLine(Q[3], Q[0]); Q.Line[3] = true; };
	}
	if (CurN[1][2] < 0) {
	if (!Q.Line[2]) { DrawLine(Q[3], Q[2]); Q.Line[2] = true; };
	if (!Q.Line[9]) { DrawLine(Q[2], Q[6]); Q.Line[9] = true; };
	if (!Q.Line[6]) { DrawLine(Q[6], Q[7]); Q.Line[6] = true; };
	if (!Q.Line[10]) { DrawLine(Q[7], Q[3]); Q.Line[10] = true; };
	}
	if (CurN[2][2] < 0) {
	if (!Q.Line[4]) { DrawLine(Q[4], Q[5]); Q.Line[4] = true; };
	if (!Q.Line[5]) { DrawLine(Q[5], Q[6]); Q.Line[5] = true; };
	if (!Q.Line[6]) { DrawLine(Q[6], Q[7]); Q.Line[6] = true; };
	if (!Q.Line[7]) { DrawLine(Q[7], Q[4]); Q.Line[7] = true; };
	}
	if (CurN[3][2] < 0) {
	if (!Q.Line[4]) { DrawLine(Q[4], Q[5]); Q.Line[4] = true; };
	if (!Q.Line[8]) { DrawLine(Q[5], Q[1]); Q.Line[8] = true; };
	if (!Q.Line[0]) { DrawLine(Q[1], Q[0]); Q.Line[0] = true; };
	if (!Q.Line[11]) { DrawLine(Q[0], Q[4]); Q.Line[11] = true; };
	}
	if (CurN[4][2] < 0) {
	if (!Q.Line[11]) { DrawLine(Q[4], Q[0]); Q.Line[11] = true; };
	if (!Q.Line[3]) { DrawLine(Q[0], Q[3]); Q.Line[3] = true; };
	if (!Q.Line[10]) { DrawLine(Q[3], Q[7]); Q.Line[10] = true; };
	if (!Q.Line[7]) { DrawLine(Q[7], Q[4]); Q.Line[7] = true; };
	}
	if (CurN[5][2] < 0) {
	if (!Q.Line[8]) { DrawLine(Q[1], Q[5]); Q.Line[8] = true; };
	if (!Q.Line[5]) { DrawLine(Q[5], Q[6]); Q.Line[5] = true; };
	if (!Q.Line[9]) { DrawLine(Q[6], Q[2]); Q.Line[9] = true; };
	if (!Q.Line[1]) { DrawLine(Q[2], Q[1]); Q.Line[1] = true; };
	}
	Q.Line = [false,false,false,false,false,false,false,false,false,false,false,false];
	Q.LastPx = 0;
	}

	function Loop() {
	if (Testing.LoopCount > Testing.LoopMax) return;
	var TestingStr = String(Testing.LoopCount);
	while (TestingStr.length < 3) TestingStr = "0" + TestingStr;
	MTrans = Translate(I, -Q[8].V[0], -Q[8].V[1], -Q[8].V[2]);
	MTrans = RotateX(MTrans, 1);
	MTrans = RotateY(MTrans, 3);
	MTrans = RotateZ(MTrans, 5);
	MTrans = Translate(MTrans, Q[8].V[0], Q[8].V[1], Q[8].V[2]);
	MQube = MMulti(MTrans, MQube);
	var i = 8;
	for (; i > -1; i--) {
	Q[i].V = VMulti(MTrans, Q[i].V);
	}
	DrawQube();
	Testing.LoopCount++;
	Loop();
	}

	function Init(CubeSize) {
	// init/reset vars
	Origin.V = [150,150,20,1];
	Testing.LoopCount = 0;
	Testing.LoopMax = 50;
	Testing.TimeMax = 0;
	Testing.TimeAvg = 0;
	Testing.TimeMin = 0;
	Testing.TimeTemp = 0;
	Testing.TimeTotal = 0;
	Testing.Init = false;

	// transformation matrix
	MTrans = [
	[1,0,0,0],
	[0,1,0,0],
	[0,0,1,0],
	[0,0,0,1]
	];

	// position information of qube
	MQube = [
	[1,0,0,0],
	[0,1,0,0],
	[0,0,1,0],
	[0,0,0,1]
	];

	// entity matrix
	I = [
	[1,0,0,0],
	[0,1,0,0],
	[0,0,1,0],
	[0,0,0,1]
	];

	// create qube
	Q[0] = new CreateP(-CubeSize,-CubeSize, CubeSize);
	Q[1] = new CreateP(-CubeSize, CubeSize, CubeSize);
	Q[2] = new CreateP( CubeSize, CubeSize, CubeSize);
	Q[3] = new CreateP( CubeSize,-CubeSize, CubeSize);
	Q[4] = new CreateP(-CubeSize,-CubeSize,-CubeSize);
	Q[5] = new CreateP(-CubeSize, CubeSize,-CubeSize);
	Q[6] = new CreateP( CubeSize, CubeSize,-CubeSize);
	Q[7] = new CreateP( CubeSize,-CubeSize,-CubeSize);

	// center of gravity
	Q[8] = new CreateP(0, 0, 0);

	// anti-clockwise edge check
	Q.Edge = [[0,1,2],[3,2,6],[7,6,5],[4,5,1],[4,0,3],[1,5,6]];

	// calculate squad normals
	Q.Normal = new Array();
	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);

	// line drawn ?
	Q.Line = [false,false,false,false,false,false,false,false,false,false,false,false];

	// create line pixels
	Q.NumPx = 9 * 2 * CubeSize;
	for (var i = 0; i < Q.NumPx; i++) CreateP(0,0,0);

	MTrans = Translate(MTrans, Origin.V[0], Origin.V[1], Origin.V[2]);
	MQube = MMulti(MTrans, MQube);

	var i = 0;
	for (; i < 9; i++) {
	Q[i].V = VMulti(MTrans, Q[i].V);
	}
	DrawQube();
	Testing.Init = true;
	Loop();
	}

	for ( var i = 20; i <= 160; i *= 2 ) {
	Init(i);
	}

	Q = null;
	MTrans = null;
	MQube = null;
	I = null;
	Origin = null;
	Testing = null;
	LoopTime = null;
	DisplArea = null;


	var _sunSpiderInterval = new Date() - _sunSpiderStartDate;

	document.getElementById("console").innerHTML = _sunSpiderInterval;
	</script>


	</body>
	</html>