crowds/js/slideshow/Preloader.js

73 lines
1.3 KiB
JavaScript

// Load just enough for the splash screen
subscribe("prepreload", function(){
Preload([
// For the Sim
{image:"sprites/button_large.png"},
{image:"sprites/line.png"},
{image:"sprites/peeps.png"},
{image:"sprites/pencil.png"},
],function(progress){
console.log("Pre-Preloader: "+progress);
if(progress==1){
var pre_preloader = $("#pre_preloader");
pre_preloader.parentNode.removeChild(pre_preloader);
slideshow.gotoChapter("Preloader");
publish("preload");
}
});
});
// Load the rest of it
window.PRELOAD_PROGRESS = 0;
subscribe("preload", function(){
Preload([
// Music
{audio:"audio/bg_music.mp3"},
// For the slides
{image:"sprites/sandbox_tools.png"},
{image:"sprites/scratch.png"},
{image:"sprites/tutorial_connect.png"},
{image:"sprites/tutorial_disconnect.png"},
],function(progress){
console.log("Preloader: "+progress);
window.PRELOAD_PROGRESS = progress;
});
});
///////////////////////////////////////////
///////////////////////////////////////////
var preload_images = [];
function Preload(assets, onProgress){
var loaded = 0;
var _onAssetLoad = function(){
loaded++;
onProgress(loaded/assets.length);
};
assets.forEach(function(asset){
// Image
if(asset.image){
var img = new Image();
img.onload = _onAssetLoad;
img.src = asset.image;
}
});
}