bug1897792.js - mozsearch

Enable keyboard shortcuts

function drawGrid() {

  var n = 32;

  var gridVertices = [];

  var gridColors = [];

  var gridSecColors = [];

  var currentVertex = 0;

  var currentColor = 0;

  var currentSecColor = 0;

  var z = -2.0;

  for (var i = -n; i < n; ++i) {

    var x1 = i / n;

    var x2 = (i + 1) / n;

    for (var j = -n; j < n; ++j) {

      var y1 = j / n;

      var y2 = (j + 1) / n;

      gridVertices[currentVertex++] = x1;

      gridVertices[currentVertex++] = y1;

      gridVertices[currentVertex++] = z;

      gridColors[currentColor++] = 1.0 - (x1 + y1 + 2.0) / 4.0;

      gridColors[currentColor++] = (x1 + 1.0) / 2.0;

      gridColors[currentColor++] = (y1 + 1.0) / 2.0;

      gridSecColors[currentSecColor++] = 1.0 - (x2 + y2 + 2.0) / 4.0;

      gridSecColors[currentSecColor++] = (x2 + 1.0) / 2.0;

      gridSecColors[currentSecColor++] = (y2 + 1.0) / 2.0;

      gridVertices[currentVertex++] = x2;

      gridVertices[currentVertex++] = y1;

      gridVertices[currentVertex++] = z;

      gridColors[currentColor++] = 1.0 - (x2 + y1 + 2.0) / 4.0;

      gridColors[currentColor++] = (x2 + 1.0) / 2.0;

      gridColors[currentColor++] = (y1 + 1.0) / 2.0;

      gridSecColors[currentSecColor++] = 1.0 - (x1 + y2 + 2.0) / 4.0;

      gridSecColors[currentSecColor++] = (x1 + 1.0) / 2.0;

      gridSecColors[currentSecColor++] = (y2 + 1.0) / 2.0;

      gridVertices[currentVertex++] = z;

      gridColors[currentColor++] = 1.0 - (x2 + y2 + 2.0) / 4.0;

      gridColors[currentColor++] = (x2 + 1.0) / 2.0;

      gridColors[currentColor++] = (y2 + 1.0) / 2.0;

      gridSecColors[currentSecColor++] = 1.0 - (x1 + y1 + 2.0) / 4.0;

      gridSecColors[currentSecColor++] = (x1 + 1.0) / 2.0;

      gridVertices[currentVertex++] = x2;

      gridVertices[currentVertex++] = y2;

      gridVertices[currentVertex++] = z;

      gridColors[currentColor++] = 1.0 - (x2 + y2 + 2.0) / 4.0;

      gridColors[currentColor++] = (x2 + 1.0) / 2.0;

      gridColors[currentColor++] = (y2 + 1.0) / 2.0;

      gridVertices[currentVertex++] = x1;

      gridVertices[currentVertex++] = y2;

      gridVertices[currentVertex++] = z;

      gridColors[currentColor++] = 1.0 - (x1 + y2 + 2.0) / 4.0;

      gridColors[currentColor++] = (x1 + 1.0) / 2.0;

      gridColors[currentColor++] = (y2 + 1.0) / 2.0;

      gridVertices[currentVertex++] = x1;

      gridVertices[currentVertex++] = y1;

      gridVertices[currentVertex++] = z;

      gridColors[currentColor++] = 1.0 - (x1 + y1 + 2.0) / 4.0;

  return gridColors;

function test() {

  var arr = drawGrid();

  var res = 0;

  for (var i = 0; i < arr.length; i++) {

    res += arr[i];

  assertEq(res, 32832);

test();