Function init

demo/js/index.js:11724–11752

()

loadTextures();

function init() {
  canvas = document.querySelector('#container');

  var dpi = window.devicePixelRatio;
  canvas.width = window.innerWidth * dpi;
  canvas.height = window.innerHeight * dpi;
  canvas.style.width = window.innerWidth + "px";
  canvas.style.height = window.innerHeight + "px";

  raindrops = new _raindrops2["default"](canvas.width, canvas.height, dpi, dropAlpha, dropColor);
  raindrops.trailRate = 1;
  raindrops.trailScaleRange = [0.2, 0.45];

  textureFg = (0, _createCanvas2["default"])(textureFgSize.width, textureFgSize.height);
  textureFgCtx = textureFg.getContext('2d');
  textureBg = (0, _createCanvas2["default"])(textureBgSize.width, textureBgSize.height);
  textureBgCtx = textureBg.getContext('2d');

  generateTextures(textureRainFg, textureRainBg);

  renderer = new _rainRenderer2["default"](canvas, raindrops.canvas, textureFg, textureBg, null, {
    brightness: 1.04,
    alphaMultiply: 10,
    alphaSubtract: 3,
    minRefraction: 128
  });

  setupEvents();
}

function setupEvents() {