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Added F11 fullscreen functionality

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FalcoDJ 2021-12-18 16:22:45 -05:00 committed by GitHub
parent 7a20524ae4
commit 4a95c2496a
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1 changed files with 99 additions and 62 deletions
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WASM/basic_template.html
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@ -1,77 +1,114 @@
<!doctype html> <!doctype html>
<html lang="en-us"> <html lang="en-us">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Emscripten-Generated Code</title>
<style>
html,body { width: 100%; height: 100%; }
body { font-family: arial; margin: 0; padding: 0; background: #000; }
.emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block; } <head>
div.emscripten_border { border: none; } <meta name="viewport" content="width=device-width, initial-scale=1">
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Emscripten Generated Code</title>
<style>
html,
body {
width: 100%;
height: 100%;
}
body {
font-family: arial;
margin: 0;
padding: 0;
background: #000;
}
.emscripten {
padding-right: 0;
margin-left: auto;
margin-right: auto;
display: block;
}
div.emscripten_border {
border: none;
}
/* the canvas *must not* have any border or padding, or mouse coords will be wrong */
canvas.emscripten {
border: 0px none;
background-color: black;
}
</style>
</head>
/* the canvas *must not* have any border or padding, or mouse coords will be wrong */ <body>
canvas.emscripten { border: 0px none; background-color: black; } <canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1></canvas>
</style> <script type='text/javascript'>
</head> function openFullscreen(elem) {
<body> if (elem.requestFullscreen) {
<canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1></canvas> elem.requestFullscreen();
<script type='text/javascript'> } else if (elem.webkitRequestFullscreen) { /* Safari */
var Module = { elem.webkitRequestFullscreen();
preRun: [], } else if (elem.msRequestFullscreen) { /* IE11 */
postRun: [], elem.msRequestFullscreen();
canvas: (function() { }
var canvas = document.getElementById('canvas'); }
var Module = {
preRun: [],
postRun: [],
canvas: (function() {
const canvas = document.querySelector('canvas');
// As a default initial behavior, pop up an alert when webgl context is lost. To make your // As a default initial behavior, pop up an alert when webgl context is lost. To make your
// application robust, you may want to override this behavior before shipping! // application robust, you may want to override this behavior before shipping!
// See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2 // See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
canvas.addEventListener("webglcontextlost", function(e) { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false); canvas.addEventListener("webglcontextlost", function(e) {
alert('WebGL context lost. You will need to reload the page.');
e.preventDefault();
}, false);
canvas.addEventListener("keydown", (e) => {
if (e.key === "F11") {
openFullscreen(canvas);
}
});
return canvas; return canvas;
})(), })(),
}; };
</script> </script>
<script async type="text/javascript" src="./pge.js"></script> <script async type="text/javascript" src="./pge.js"></script>
<script type="text/javascript"> <script type="text/javascript">
Module.canvas.addEventListener("resize", (e) => { Module.canvas.addEventListener("resize", (e) => {
var viewWidth = e.detail.width; var viewWidth = e.detail.width;
var viewHeight = e.detail.width / Module._olc_WindowAspectRatio; var viewHeight = e.detail.width / Module._olc_WindowAspectRatio;
if(viewHeight > e.detail.height) if (viewHeight > e.detail.height) {
{ viewHeight = e.detail.height;
viewHeight = e.detail.height; viewWidth = e.detail.height * Module._olc_WindowAspectRatio;
viewWidth = e.detail.height * Module._olc_WindowAspectRatio; }
}
// update dom attributes // update dom attributes
Module.canvas.setAttribute("width", viewWidth); Module.canvas.setAttribute("width", viewWidth);
Module.canvas.setAttribute("height", viewHeight); Module.canvas.setAttribute("height", viewHeight);
var top = (e.detail.height - viewHeight) / 2; var top = (e.detail.height - viewHeight) / 2;
var left = (e.detail.width - viewWidth) / 2; var left = (e.detail.width - viewWidth) / 2;
// update styles // update styles
Module.canvas.style.position = "fixed"; Module.canvas.style.position = "fixed";
Module.canvas.style.top = top.toString() + "px"; Module.canvas.style.top = top.toString() + "px";
Module.canvas.style.left = left.toString() + "px"; Module.canvas.style.left = left.toString() + "px";
Module.canvas.style.width = ""; Module.canvas.style.width = "";
Module.canvas.style.height = ""; Module.canvas.style.height = "";
// trigger PGE update // trigger PGE update
Module._olc_PGE_UpdateWindowSize(viewWidth, viewHeight); Module._olc_PGE_UpdateWindowSize(viewWidth, viewHeight);
// ensure canvas has focus // ensure canvas has focus
Module.canvas.focus(); Module.canvas.focus();
e.preventDefault(); e.preventDefault();
}); });
</script> </script>
</body>
</body>
</html> </html>