95 lines
3.1 KiB
JavaScript
95 lines
3.1 KiB
JavaScript
//libmain.js
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(async function() {
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if(typeof PIXI!="object") {
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if(typeof loadfail=="function") {
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loadfail("libmain.js: PIXI(type of "+(typeof PIXI)+") is not an object");
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} else {
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window.alert("libmain.js: PIXI(type of "+(typeof PIXI)+") is not an object");
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}
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return;
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}
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var libmain= {};
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libmain.settings= {};
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libmain.api= {};
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/////////////////////////////////////// set default settings
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libmain.settings.fixed_ratio=16/9;
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libmain.settings.use_fixed_aspect_ratio=true;
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/////////////////////////////////////// init canvas and frame
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console.log("[libmain] setting up basic pixi application...");
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// set up main canvas element
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libmain.mainframe=document.getElementById("mainframe");
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libmain.canvas=document.getElementById("maincanvas");
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if(libmain.mainframe==null) {
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libmain.mainframe=document.createElement("div");
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libmain.mainframe.id="mainframe";
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document.body.appendChild(libmain.mainframe);
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}
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libmain.mainframe.style.display="inline-block";
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libmain.mainframe.style.zIndex=0;
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libmain.mainframe.style.backgroundColor="#000000";
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if(libmain.canvas==null) {
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libmain.canvas=document.createElement("canvas");
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libmain.canvas.id="maincanvas";
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libmain.mainframe.appendChild(libmain.canvas);
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}
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libmain.canvas.style.width="100%";
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libmain.canvas.style.height="100%";
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libmain.canvas.style.display="inline-block";
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libmain.canvas.style.position="absolute";
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libmain.canvas.style.zIndex=1;
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// document resize handler
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libmain.resize=function() {
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var res=[document.body.clientWidth, document.body.clientHeight, 0, 0];
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if(libmain.settings.use_fixed_aspect_ratio) {
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res=libutil.calcresize(document.body.clientWidth, document.body.clientHeight, libmain.settings.fixed_ratio);
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}
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libmain.mainframe.style.width=res[0]+"px";
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libmain.mainframe.style.height=res[1]+"px";
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libmain.mainframe.style.left=res[2]+"px";
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libmain.mainframe.style.top=res[3]+"px";
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};
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window.addEventListener("resize", libmain.resize);
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libmain.resize();
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// setup pixi application
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libmain.renderer=await PIXI.autoDetectRenderer({
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"preference":"webgpu",
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"canvas":libmain.canvas,
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"antialias":true,
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"backgroundAlpha":0,
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"width":libmain.width,
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"height":libmain.height
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});
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libmain.stageroot=new PIXI.Container();
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libmain.stageroot.sortableChildren=true;
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libmain.render=function() {
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try {
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libmain.renderer.render(libmain.stageroot);
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} catch(e) {
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console.error(e);
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if(typeof loadfail=="function") {
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loadfail(libutil.error2str(e));
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} else {
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window.alert(libutil.error2str(e));
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}
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return;
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}
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requestAnimationFrame(libmain.render);
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};
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requestAnimationFrame(libmain.render);
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/////////////////////////////////////// end of setup
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window.libmain=libmain;
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console.log("[libmain] all components initialized successfully.");
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})();
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