1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit-test/tests/sunspider/check-3d-cube.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,345 @@
1.4 +// 3D Cube Rotation
1.5 +// http://www.speich.net/computer/moztesting/3d.htm
1.6 +// Created by Simon Speich
1.7 +
1.8 +var Q = new Array();
1.9 +var MTrans = new Array(); // transformation matrix
1.10 +var MQube = new Array(); // position information of qube
1.11 +var I = new Array(); // entity matrix
1.12 +var Origin = new Object();
1.13 +var Testing = new Object();
1.14 +var LoopTimer;
1.15 +
1.16 +var DisplArea = new Object();
1.17 +DisplArea.Width = 300;
1.18 +DisplArea.Height = 300;
1.19 +
1.20 +function DrawLine(From, To) {
1.21 + var x1 = From.V[0];
1.22 + var x2 = To.V[0];
1.23 + var y1 = From.V[1];
1.24 + var y2 = To.V[1];
1.25 + var dx = Math.abs(x2 - x1);
1.26 + var dy = Math.abs(y2 - y1);
1.27 + var x = x1;
1.28 + var y = y1;
1.29 + var IncX1, IncY1;
1.30 + var IncX2, IncY2;
1.31 + var Den;
1.32 + var Num;
1.33 + var NumAdd;
1.34 + var NumPix;
1.35 +
1.36 + if (x2 >= x1) { IncX1 = 1; IncX2 = 1; }
1.37 + else { IncX1 = -1; IncX2 = -1; }
1.38 + if (y2 >= y1) { IncY1 = 1; IncY2 = 1; }
1.39 + else { IncY1 = -1; IncY2 = -1; }
1.40 + if (dx >= dy) {
1.41 + IncX1 = 0;
1.42 + IncY2 = 0;
1.43 + Den = dx;
1.44 + Num = dx / 2;
1.45 + NumAdd = dy;
1.46 + NumPix = dx;
1.47 + }
1.48 + else {
1.49 + IncX2 = 0;
1.50 + IncY1 = 0;
1.51 + Den = dy;
1.52 + Num = dy / 2;
1.53 + NumAdd = dx;
1.54 + NumPix = dy;
1.55 + }
1.56 +
1.57 + NumPix = Math.round(Q.LastPx + NumPix);
1.58 +
1.59 + var i = Q.LastPx;
1.60 + for (; i < NumPix; i++) {
1.61 + Num += NumAdd;
1.62 + if (Num >= Den) {
1.63 + Num -= Den;
1.64 + x += IncX1;
1.65 + y += IncY1;
1.66 + }
1.67 + x += IncX2;
1.68 + y += IncY2;
1.69 + }
1.70 + Q.LastPx = NumPix;
1.71 +}
1.72 +
1.73 +function CalcCross(V0, V1) {
1.74 + var Cross = new Array();
1.75 + Cross[0] = V0[1]*V1[2] - V0[2]*V1[1];
1.76 + Cross[1] = V0[2]*V1[0] - V0[0]*V1[2];
1.77 + Cross[2] = V0[0]*V1[1] - V0[1]*V1[0];
1.78 + return Cross;
1.79 +}
1.80 +
1.81 +function CalcNormal(V0, V1, V2) {
1.82 + var A = new Array(); var B = new Array();
1.83 + for (var i = 0; i < 3; i++) {
1.84 + A[i] = V0[i] - V1[i];
1.85 + B[i] = V2[i] - V1[i];
1.86 + }
1.87 + A = CalcCross(A, B);
1.88 + var Length = Math.sqrt(A[0]*A[0] + A[1]*A[1] + A[2]*A[2]);
1.89 + for (var i = 0; i < 3; i++) A[i] = A[i] / Length;
1.90 + A[3] = 1;
1.91 + return A;
1.92 +}
1.93 +
1.94 +function CreateP(X,Y,Z) {
1.95 + this.V = [X,Y,Z,1];
1.96 +}
1.97 +
1.98 +// multiplies two matrices
1.99 +function MMulti(M1, M2) {
1.100 + var M = [[],[],[],[]];
1.101 + var i = 0;
1.102 + var j = 0;
1.103 + for (; i < 4; i++) {
1.104 + j = 0;
1.105 + 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];
1.106 + }
1.107 + return M;
1.108 +}
1.109 +
1.110 +//multiplies matrix with vector
1.111 +function VMulti(M, V) {
1.112 + var Vect = new Array();
1.113 + var i = 0;
1.114 + 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];
1.115 + return Vect;
1.116 +}
1.117 +
1.118 +function VMulti2(M, V) {
1.119 + var Vect = new Array();
1.120 + var i = 0;
1.121 + for (;i < 3; i++) Vect[i] = M[i][0] * V[0] + M[i][1] * V[1] + M[i][2] * V[2];
1.122 + return Vect;
1.123 +}
1.124 +
1.125 +// add to matrices
1.126 +function MAdd(M1, M2) {
1.127 + var M = [[],[],[],[]];
1.128 + var i = 0;
1.129 + var j = 0;
1.130 + for (; i < 4; i++) {
1.131 + j = 0;
1.132 + for (; j < 4; j++) M[i][j] = M1[i][j] + M2[i][j];
1.133 + }
1.134 + return M;
1.135 +}
1.136 +
1.137 +function Translate(M, Dx, Dy, Dz) {
1.138 + var T = [
1.139 + [1,0,0,Dx],
1.140 + [0,1,0,Dy],
1.141 + [0,0,1,Dz],
1.142 + [0,0,0,1]
1.143 + ];
1.144 + return MMulti(T, M);
1.145 +}
1.146 +
1.147 +function RotateX(M, Phi) {
1.148 + var a = Phi;
1.149 + a *= Math.PI / 180;
1.150 + var Cos = Math.cos(a);
1.151 + var Sin = Math.sin(a);
1.152 + var R = [
1.153 + [1,0,0,0],
1.154 + [0,Cos,-Sin,0],
1.155 + [0,Sin,Cos,0],
1.156 + [0,0,0,1]
1.157 + ];
1.158 + return MMulti(R, M);
1.159 +}
1.160 +
1.161 +function RotateY(M, Phi) {
1.162 + var a = Phi;
1.163 + a *= Math.PI / 180;
1.164 + var Cos = Math.cos(a);
1.165 + var Sin = Math.sin(a);
1.166 + var R = [
1.167 + [Cos,0,Sin,0],
1.168 + [0,1,0,0],
1.169 + [-Sin,0,Cos,0],
1.170 + [0,0,0,1]
1.171 + ];
1.172 + return MMulti(R, M);
1.173 +}
1.174 +
1.175 +function RotateZ(M, Phi) {
1.176 + var a = Phi;
1.177 + a *= Math.PI / 180;
1.178 + var Cos = Math.cos(a);
1.179 + var Sin = Math.sin(a);
1.180 + var R = [
1.181 + [Cos,-Sin,0,0],
1.182 + [Sin,Cos,0,0],
1.183 + [0,0,1,0],
1.184 + [0,0,0,1]
1.185 + ];
1.186 + return MMulti(R, M);
1.187 +}
1.188 +
1.189 +function DrawQube() {
1.190 + // calc current normals
1.191 + var CurN = new Array();
1.192 + var i = 5;
1.193 + Q.LastPx = 0;
1.194 + for (; i > -1; i--) CurN[i] = VMulti2(MQube, Q.Normal[i]);
1.195 + if (CurN[0][2] < 0) {
1.196 + if (!Q.Line[0]) { DrawLine(Q[0], Q[1]); Q.Line[0] = true; };
1.197 + if (!Q.Line[1]) { DrawLine(Q[1], Q[2]); Q.Line[1] = true; };
1.198 + if (!Q.Line[2]) { DrawLine(Q[2], Q[3]); Q.Line[2] = true; };
1.199 + if (!Q.Line[3]) { DrawLine(Q[3], Q[0]); Q.Line[3] = true; };
1.200 + }
1.201 + if (CurN[1][2] < 0) {
1.202 + if (!Q.Line[2]) { DrawLine(Q[3], Q[2]); Q.Line[2] = true; };
1.203 + if (!Q.Line[9]) { DrawLine(Q[2], Q[6]); Q.Line[9] = true; };
1.204 + if (!Q.Line[6]) { DrawLine(Q[6], Q[7]); Q.Line[6] = true; };
1.205 + if (!Q.Line[10]) { DrawLine(Q[7], Q[3]); Q.Line[10] = true; };
1.206 + }
1.207 + if (CurN[2][2] < 0) {
1.208 + if (!Q.Line[4]) { DrawLine(Q[4], Q[5]); Q.Line[4] = true; };
1.209 + if (!Q.Line[5]) { DrawLine(Q[5], Q[6]); Q.Line[5] = true; };
1.210 + if (!Q.Line[6]) { DrawLine(Q[6], Q[7]); Q.Line[6] = true; };
1.211 + if (!Q.Line[7]) { DrawLine(Q[7], Q[4]); Q.Line[7] = true; };
1.212 + }
1.213 + if (CurN[3][2] < 0) {
1.214 + if (!Q.Line[4]) { DrawLine(Q[4], Q[5]); Q.Line[4] = true; };
1.215 + if (!Q.Line[8]) { DrawLine(Q[5], Q[1]); Q.Line[8] = true; };
1.216 + if (!Q.Line[0]) { DrawLine(Q[1], Q[0]); Q.Line[0] = true; };
1.217 + if (!Q.Line[11]) { DrawLine(Q[0], Q[4]); Q.Line[11] = true; };
1.218 + }
1.219 + if (CurN[4][2] < 0) {
1.220 + if (!Q.Line[11]) { DrawLine(Q[4], Q[0]); Q.Line[11] = true; };
1.221 + if (!Q.Line[3]) { DrawLine(Q[0], Q[3]); Q.Line[3] = true; };
1.222 + if (!Q.Line[10]) { DrawLine(Q[3], Q[7]); Q.Line[10] = true; };
1.223 + if (!Q.Line[7]) { DrawLine(Q[7], Q[4]); Q.Line[7] = true; };
1.224 + }
1.225 + if (CurN[5][2] < 0) {
1.226 + if (!Q.Line[8]) { DrawLine(Q[1], Q[5]); Q.Line[8] = true; };
1.227 + if (!Q.Line[5]) { DrawLine(Q[5], Q[6]); Q.Line[5] = true; };
1.228 + if (!Q.Line[9]) { DrawLine(Q[6], Q[2]); Q.Line[9] = true; };
1.229 + if (!Q.Line[1]) { DrawLine(Q[2], Q[1]); Q.Line[1] = true; };
1.230 + }
1.231 + Q.Line = [false,false,false,false,false,false,false,false,false,false,false,false];
1.232 + Q.LastPx = 0;
1.233 +}
1.234 +
1.235 +function Loop() {
1.236 + if (Testing.LoopCount > Testing.LoopMax) return;
1.237 + var TestingStr = String(Testing.LoopCount);
1.238 + while (TestingStr.length < 3) TestingStr = "0" + TestingStr;
1.239 + MTrans = Translate(I, -Q[8].V[0], -Q[8].V[1], -Q[8].V[2]);
1.240 + MTrans = RotateX(MTrans, 1);
1.241 + MTrans = RotateY(MTrans, 3);
1.242 + MTrans = RotateZ(MTrans, 5);
1.243 + MTrans = Translate(MTrans, Q[8].V[0], Q[8].V[1], Q[8].V[2]);
1.244 + MQube = MMulti(MTrans, MQube);
1.245 + var i = 8;
1.246 + for (; i > -1; i--) {
1.247 + Q[i].V = VMulti(MTrans, Q[i].V);
1.248 + }
1.249 + DrawQube();
1.250 + Testing.LoopCount++;
1.251 + Loop();
1.252 +}
1.253 +
1.254 +function Init(CubeSize) {
1.255 + // init/reset vars
1.256 + Origin.V = [150,150,20,1];
1.257 + Testing.LoopCount = 0;
1.258 + Testing.LoopMax = 50;
1.259 + Testing.TimeMax = 0;
1.260 + Testing.TimeAvg = 0;
1.261 + Testing.TimeMin = 0;
1.262 + Testing.TimeTemp = 0;
1.263 + Testing.TimeTotal = 0;
1.264 + Testing.Init = false;
1.265 +
1.266 + // transformation matrix
1.267 + MTrans = [
1.268 + [1,0,0,0],
1.269 + [0,1,0,0],
1.270 + [0,0,1,0],
1.271 + [0,0,0,1]
1.272 + ];
1.273 +
1.274 + // position information of qube
1.275 + MQube = [
1.276 + [1,0,0,0],
1.277 + [0,1,0,0],
1.278 + [0,0,1,0],
1.279 + [0,0,0,1]
1.280 + ];
1.281 +
1.282 + // entity matrix
1.283 + I = [
1.284 + [1,0,0,0],
1.285 + [0,1,0,0],
1.286 + [0,0,1,0],
1.287 + [0,0,0,1]
1.288 + ];
1.289 +
1.290 + // create qube
1.291 + Q[0] = new CreateP(-CubeSize,-CubeSize, CubeSize);
1.292 + Q[1] = new CreateP(-CubeSize, CubeSize, CubeSize);
1.293 + Q[2] = new CreateP( CubeSize, CubeSize, CubeSize);
1.294 + Q[3] = new CreateP( CubeSize,-CubeSize, CubeSize);
1.295 + Q[4] = new CreateP(-CubeSize,-CubeSize,-CubeSize);
1.296 + Q[5] = new CreateP(-CubeSize, CubeSize,-CubeSize);
1.297 + Q[6] = new CreateP( CubeSize, CubeSize,-CubeSize);
1.298 + Q[7] = new CreateP( CubeSize,-CubeSize,-CubeSize);
1.299 +
1.300 + // center of gravity
1.301 + Q[8] = new CreateP(0, 0, 0);
1.302 +
1.303 + // anti-clockwise edge check
1.304 + Q.Edge = [[0,1,2],[3,2,6],[7,6,5],[4,5,1],[4,0,3],[1,5,6]];
1.305 +
1.306 + // calculate squad normals
1.307 + Q.Normal = new Array();
1.308 + 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);
1.309 +
1.310 + // line drawn ?
1.311 + Q.Line = [false,false,false,false,false,false,false,false,false,false,false,false];
1.312 +
1.313 + // create line pixels
1.314 + Q.NumPx = 9 * 2 * CubeSize;
1.315 + for (var i = 0; i < Q.NumPx; i++) CreateP(0,0,0);
1.316 +
1.317 + MTrans = Translate(MTrans, Origin.V[0], Origin.V[1], Origin.V[2]);
1.318 + MQube = MMulti(MTrans, MQube);
1.319 +
1.320 + var i = 0;
1.321 + for (; i < 9; i++) {
1.322 + Q[i].V = VMulti(MTrans, Q[i].V);
1.323 + }
1.324 + DrawQube();
1.325 + Testing.Init = true;
1.326 + Loop();
1.327 +}
1.328 +
1.329 +for ( var i = 20; i <= 160; i *= 2 ) {
1.330 + Init(i);
1.331 +}
1.332 +
1.333 +var actual = '';
1.334 +for (var i = 0; i < Q.length; ++i) {
1.335 + actual += Q[i].V + ';';
1.336 +}
1.337 +var expected = "-116.618229186398,212.51135212951073,62.5094191967962,1;127.83701023614447,417.11611179082263,90.41153816299942,1;293.9570894432935,196.58093046570656,252.17789153139591,1;49.501850020750915,-8.02382919560505,224.275772565193,1;6.042910556709444,103.41906953429206,-212.1778915313964,1;250.49814997925202,308.02382919560387,-184.27577256519325,1;416.61822918640064,87.48864787048812,-22.509419196796493,1;172.1629897638581,-117.1161117908236,-50.41153816299975,1;150.0000000000007,149.99999999999952,20,1;";
1.338 +assertEq(actual, expected);
1.339 +
1.340 +Q = null;
1.341 +MTrans = null;
1.342 +MQube = null;
1.343 +I = null;
1.344 +Origin = null;
1.345 +Testing = null;
1.346 +LoopTime = null;
1.347 +DisplArea = null;
1.348 +
