如何使用jQuery使我的HTML5动画(Canvas)具有响应性?
由于我的Canvas宽度为1100px,高度为800px(在更大的屏幕上产生更好的效果),我希望Canvas在小于1200px宽度的屏幕上开始自适应大小。
HTML:
<canvas id="canvas" width="1100" height="800" style="background-color:#ffffff"></canvas>
脚本:
var canvas, stage, exportRoot;
function init() {
canvas = document.getElementById("canvas");
images = images||{};
var manifest = [
{src:"images/preloader/_282.png", id:"_282"},
{src:"images/preloader/Bitmap10.png", id:"Bitmap10"},
{src:"images/preloader/Bitmap11.png", id:"Bitmap11"},
{src:"images/preloader/Bitmap12.png", id:"Bitmap12"},
{src:"images/preloader/Bitmap13.png", id:"Bitmap13"},
{src:"images/preloader/Bitmap14.png", id:"Bitmap14"},
{src:"images/preloader/Bitmap15.png", id:"Bitmap15"},
{src:"images/preloader/Bitmap16.png", id:"Bitmap16"},
{src:"images/preloader/Bitmap17.png", id:"Bitmap17"},
{src:"images/preloader/Bitmap18.png", id:"Bitmap18"},
{src:"images/preloader/Bitmap2.png", id:"Bitmap2"},
{src:"images/preloader/Bitmap3.png", id:"Bitmap3"},
{src:"images/preloader/Bitmap4.png", id:"Bitmap4"},
{src:"images/preloader/Bitmap5.png", id:"Bitmap5"},
{src:"images/preloader/Bitmap6.png", id:"Bitmap6"},
{src:"images/preloader/Bitmap7.png", id:"Bitmap7"},
{src:"images/preloader/Bitmap8.png", id:"Bitmap8"},
{src:"images/preloader/Bitmap9.png", id:"Bitmap9"},
{src:"images/preloader/flash0aiAssets.png", id:"flash0aiAssets"}
];
var loader = new createjs.LoadQueue(false);
loader.addEventListener("fileload", handleFileLoad);
loader.addEventListener("complete", handleComplete);
loader.loadManifest(manifest);
}
function handleFileLoad(evt) {
if (evt.item.type == "image") { images[evt.item.id] = evt.result; }
}
function handleComplete() {
exportRoot = new lib.preloadercs6();
stage = new createjs.Stage(canvas);
stage.addChild(exportRoot);
stage.update();
createjs.Ticker.setFPS(24);
createjs.Ticker.addEventListener("tick", stage);
}
PS:如果有其他方法可以解决问题,即使不使用jQuery,我也会接受。
谢谢
更新:
我找到了一些东西并组合在一起,但它不起作用:
(function($){
$(window).resize(function(){
windowResize();
});
})(jQuery);
function windowResize(){
stage.canvas.width = window.innerWidth;
stage.canvas.height = window.innerHeight;
var test = (window.innerHeight/800)*1;
exportRoot.scaleX = exportRoot.scaleY = test;
}