The Tor Browser: browser/devtools/tilt/test/browser_tilt

     1 /* Any copyright is dedicated to the Public Domain.

     2    http://creativecommons.org/publicdomain/zero/1.0/ */

     3 "use strict";

     5 let isWebGLAvailable;

     7 function onWebGLFail() {

     8   isWebGLAvailable = false;

9 }

    11 function onWebGLSuccess() {

    12   isWebGLAvailable = true;

    13 }

    15 function test() {

    16   if (!isWebGLSupported()) {

    17     info("Skipping tilt_gl04 because WebGL isn't supported on this hardware.");

    18     return;

    19   }

    21   let canvas = createCanvas();

    23   let renderer = new TiltGL.Renderer(canvas, onWebGLFail, onWebGLSuccess);

    24   let gl = renderer.context;

    26   if (!isWebGLAvailable) {

    27     return;

    28   }

    31   renderer.perspective();

    32   ok(isApproxVec(renderer.projMatrix, [

    33     1.2071068286895752, 0, 0, 0, 0, -2.4142136573791504, 0, 0, 0, 0,

    34     -1.0202020406723022, -1, -181.06602478027344, 181.06602478027344,

    35     148.14492797851562, 181.06602478027344

    36   ]), "The default perspective proj. matrix wasn't calculated correctly.");

    38   ok(isApproxVec(renderer.mvMatrix, [

    39     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1

    40   ]), "Changing the perpective matrix should reset the modelview by default.");

    43   renderer.ortho();

    44   ok(isApproxVec(renderer.projMatrix, [

    45     0.006666666828095913, 0, 0, 0, 0, -0.013333333656191826, 0, 0, 0, 0, -1,

    46     0, -1, 1, 0, 1

    47   ]), "The default ortho proj. matrix wasn't calculated correctly.");

    48   ok(isApproxVec(renderer.mvMatrix, [

    49     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1

    50   ]), "Changing the ortho matrix should reset the modelview by default.");

    53   renderer.projection(mat4.perspective(45, 1, 0.1, 100));

    54   ok(isApproxVec(renderer.projMatrix, [

    55     2.4142136573791504, 0, 0, 0, 0, 2.4142136573791504, 0, 0, 0, 0,

    56     -1.0020020008087158, -1, 0, 0, -0.20020020008087158, 0

    57   ]), "A custom proj. matrix couldn't be set correctly.");

    58   ok(isApproxVec(renderer.mvMatrix, [

    59     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1

    60   ]), "Setting a custom proj. matrix should reset the model view by default.");

    63   renderer.translate(1, 1, 1);

    64   ok(isApproxVec(renderer.mvMatrix, [

    65     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1

    66   ]), "The translation transformation wasn't applied correctly.");

    68   renderer.rotate(0.5, 1, 1, 1);

    69   ok(isApproxVec(renderer.mvMatrix, [

    70     0.9183883666992188, 0.317602276802063, -0.23599065840244293, 0,

    71     -0.23599065840244293, 0.9183883666992188, 0.317602276802063, 0,

    72     0.317602276802063, -0.23599065840244293, 0.9183883666992188, 0, 1, 1, 1, 1

    73   ]), "The rotation transformation wasn't applied correctly.");

    75   renderer.rotateX(0.5);

    76   ok(isApproxVec(renderer.mvMatrix, [

    77     0.9183883666992188, 0.317602276802063, -0.23599065840244293, 0,

    78     -0.05483464524149895, 0.6928216814994812, 0.7190210819244385, 0,

    79     0.391862154006958, -0.6474001407623291, 0.6536949872970581, 0, 1, 1, 1, 1

    80   ]), "The X rotation transformation wasn't applied correctly.");

    82   renderer.rotateY(0.5);

    83   ok(isApproxVec(renderer.mvMatrix, [

    84     0.6180928945541382, 0.5891023874282837, -0.5204993486404419, 0,

    85     -0.05483464524149895, 0.6928216814994812, 0.7190210819244385, 0,

    86     0.7841902375221252, -0.4158804416656494, 0.4605313837528229, 0, 1, 1, 1, 1

    87   ]), "The Y rotation transformation wasn't applied correctly.");

    89   renderer.rotateZ(0.5);

    90   ok(isApproxVec(renderer.mvMatrix, [

    91     0.5161384344100952, 0.8491423726081848, -0.11206408590078354, 0,

    92     -0.3444514572620392, 0.3255774974822998, 0.8805410265922546, 0,

    93     0.7841902375221252, -0.4158804416656494, 0.4605313837528229, 0, 1, 1, 1, 1

    94   ]), "The Z rotation transformation wasn't applied correctly.");

    96   renderer.scale(2, 2, 2);

    97   ok(isApproxVec(renderer.mvMatrix, [

    98     1.0322768688201904, 1.6982847452163696, -0.22412817180156708, 0,

    99     -0.6889029145240784, 0.6511549949645996, 1.7610820531845093, 0,

   100     1.5683804750442505, -0.8317608833312988, 0.9210627675056458, 0, 1, 1, 1, 1

   101   ]), "The Z rotation transformation wasn't applied correctly.");

   103   renderer.transform(mat4.create());

   104   ok(isApproxVec(renderer.mvMatrix, [

   105     1.0322768688201904, 1.6982847452163696, -0.22412817180156708, 0,

   106     -0.6889029145240784, 0.6511549949645996, 1.7610820531845093, 0,

   107     1.5683804750442505, -0.8317608833312988, 0.9210627675056458, 0, 1, 1, 1, 1

   108   ]), "The identity matrix transformation wasn't applied correctly.");

   110   renderer.origin(1, 1, 1);

   111   ok(isApproxVec(renderer.mvMatrix, [

   112     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1

   113   ]), "The origin wasn't reset to identity correctly.");

   115   renderer.translate(1, 2);

   116   ok(isApproxVec(renderer.mvMatrix, [

   117     1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 2, 0, 1

   118   ]), "The second translation transformation wasn't applied correctly.");

   120   renderer.scale(3, 4);

   121   ok(isApproxVec(renderer.mvMatrix, [

   122     3, 0, 0, 0, 0, 4, 0, 0, 0, 0, 1, 0, 1, 2, 0, 1

   123   ]), "The second scale transformation wasn't applied correctly.");

   124 }

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