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<!DOCTYPE html>
<head>
<meta charset="utf-8"/>
<title>Черната дупка</title>
<script src="webgl-fmi.js"></script>
<script src="shaders.js"></script>
<style>
body {
padding: 0;
margin: 0;
font: 18px sans-serif;
}
canvas {
display: block;
pos: fixed;
left: 0;
top: 0;
width: 100vw;
height: 100vh;
/* cursor: none; */
}
.hide {
display: none;
}
h2 {
border-bottom: 2px solid gray;
}
#menu {
position: absolute;
height: 100vh;
width: 100vw;
left: 0;
top: 0;
color: white;
}
#menu > * {
position: absolute;
margin: 0.5em;
padding: 0.2em;
border: 2px solid white;
width: auto;
background-color: black;
}
#paused {
left: 0;
top: 0;
font-size: 25px;
cursor: pointer;
}
#settings {
right: 0;
top: 0;
padding: 0.5em;
max-width: 24em;
max-height: calc(100vh - 0.5em);
}
</style>
<script src="spaceship.js"></script>
<script src="skybox.js"></script>
<script src="star.js"></script>
<script src="blackhole.js"></script>
<script src="level.js"></script>
<script>
/*
* WebGL
*/
function start()
{
canvas = document.getElementById('picasso');
canvas.addEventListener('webglcontextlost',function(event){event.preventDefault();},false);
canvas.addEventListener('webglcontextrestored',function(){init();},false);
mouseInit();
init();
}
const PERSPECTIVE_ANGLE = 30;
const PERSPECTIVE_NEAR = 1;
function init()
{
gl = getContext('picasso');
glprog = getProgram(vShader,fShader);
getVariables();
gl.enable(gl.DEPTH_TEST);
gl.clearColor(1,1,1,1);
// For proper transparency
gl.enable(gl.BLEND);
gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
identity();
perspective(PERSPECTIVE_ANGLE,gl.canvas.width/gl.canvas.height,PERSPECTIVE_NEAR,40000);
gl.uniform1i(uUseNormalMatrix,false);
gl.uniform3f(uAmbientColor,0.3,0.3,0.3);
gl.uniform3f(uDiffuseColor,1,1,1);
gl.uniform3f(uLightDir,0,0,-1);
gl.uniform4f(uBlack, 0,0,0,1);
gl.uniform4f(uBHBlack, 0,0,0,1);
skybox = new Skybox(10000, [0,0,0], undefined);
createLevels();
initMenu();
resizeglcanvas();
}
function resizeglcanvas() {
gl.canvas.width = gl.canvas.offsetWidth;
gl.canvas.height = gl.canvas.offsetHeight;
gl.viewport(0,0,gl.canvas.width,gl.canvas.height);
drawFrame();
}
window.onresize = resizeglcanvas;
var pauseAnimations = false;
var startT = -1;
function drawFrame()
{
if (startT == -1) startT = Date.now();
var t = Math.floor(Date.now() - startT) / 10; // tenths of a second
gl.clear(gl.COLOR_BUFFER_BIT+gl.DEPTH_BUFFER_BIT);
updateCamera();
gl.uniform3fv(uEye, pos);
skybox.draw();
if (!pauseAnimations) animations.forEach((a) => a(t));
stars.forEach((s) => s.draw());
requestAnimationFrame(drawFrame);
}
</script>
</head>
<body onload="start()">
<canvas id="picasso"></canvas>
<div id="menu">
<div id="paused">Click here to start moving</div>
<div id="settings">
<h2>About</h2>
<p>
Simulation of the light-bending effects of black holes.<br>
WASD to move around, space and shift for up and down, mouse cursor to look around.<br>
Escape will remove your controls and bring you back here.
</p>
<h2>Level</h2>
<p>
<select id="level-select"></select>
<p id="level-description"></p>
<p>
Pause movement: <input type="checkbox" id="pause-movement">
</p>
</p>
<h2>Settings</h2>
<p>
Debug mode: <input type="checkbox" id="debug-mode"><br>
Only horizontal mouse movement: <input type="checkbox" id="only-horizontal"><br>
Only vertical mouse movement: <input type="checkbox" id="only-vertical">
</p>
</div>
</div>
<script src="menu.js"></script>
</body>
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