JSFiddle - React, Tailwind, and code Playground
by kyekk
HTML
<script src="https://www.cs.unm.edu/~angel/WebGL/7E/Common/initShaders.js"></script>
<script src="https://www.cs.unm.edu/~angel/WebGL/7E/Common/MV.js"></script>
<script src="https://cdn.jsdelivr.net/gh/brent-munsell/graphics/models/finalproj.js"></script>
<script src="https://cdn.jsdelivr.net/gh/brent-munsell/graphics/models/finalproj.js"></script>
<body>
<div id="container">
<div class="app">
<div class="title">Final Project: Satellite orbiting Mars</div>
<div class="setting">
<div class="control">
<ul>
<li>Satellite settings</li>
<li><span>Orbit speed</span><span id="os_crd">= 3</span></li>
<li><input type="range" id="os" min="0" max="10" step="0.1" value="3"></li>
<li><span>Orbit distance</span><span id="od_crd">= 0.65</span></li>
<li><input type="range" id="od" min="0.5" max="1.5" step="0.05" value="0.65"></li>
<li><span>Orbit angle</span><span id="oa_crd">= 45</span></li>
<li><input type="range" id="oa" min="0" max="180" step="1" value="45"></li>
<li><button id="reset_ss">reset</button></li>
</ul>
</div> <!-- end control -->
<div class="rock">
<canvas id="webgl-canvas">
Oops, your browser doesn't support the HTML5 canvas!
</canvas>
</div> <!-- end rock -->
<div class="control">
<ul>
<li>Camera settings</li>
<li><span class="red-font">X</span><span id="x_crd">= 0.5</span></li>
<li><input type="range" id="xt" min="-1" max="1" step="0.01" value="0.5"></li>
<li><span class="green-font">Y</span><span...
CSS
#container
{
margin: auto;
padding: 1px;
width: 1000px;
height: 800px;
}
.app
{
margin: auto;
padding: 0px;
}
.title
{
margin: auto;
padding: 10px;
border: 1px solid black;
font-weight: bold;
font-family: Arial, sans-serif;
color: white;
background-color: rgb( 112, 128, 144 );
}
.setting
{
margin: auto;
padding: 0px 0px 0px 0px;
border: 1px solid black;
display: flex;
}
.control
{
padding: 10px;
font-family: Arial, sans-serif;
height: 100%;
width: 100%;
}
.camera-light-position
{
padding: 10px;
font-family: Arial, sans-serif;
height: 100%;
width: 100%;
}
.rock
{
margin: auto;
background-position: right;
background-size: contain;
border: 1px solid black;
}
#webgl-canvas
{
background-image: url( "https://i.ibb.co/tmkcJMr/space.jpg" );
background-repeat: no-repeat;
width: 600px;
height: 600px;
}
ul
{
margin: 0px;
padding: 10px 5px 0px 0px;
list-style-type: none;
}
li
{
padding: 5px 1px 10px 10px;
}
.red-font
{
color: red;
}
.blue-font
{
color: blue;
}
.green-font
{
color: green;
}
#x_crd
{
padding-left: 10px;
color: red;
}
#y_crd
{
padding-left: 10px;
color: green;
}
#z_crd
{
padding-left: 10px;
color: blue;
}
#lx_crd
{
padding-left: 10px;
color: red;
}
#ly_crd
{
padding-left: 10px;
color: green;
}
#lz_crd
{
padding-left: 10px;
color: blue;
}
#fovy
{
padding-left: 10px;
}
#os_crd
{
padding-left: 10px;
}
#od_crd
{
padding-left: 10px;
}
#oa_crd
{
padding-left: 10px;
}
#reset_ss
{
width: 75px;
height: 35px;
}
#reset_cl
{
width: 75px;
height: 35px;
}
#transReset
{
width: 75px;
height: 35px;
}
JavaScript
console.clear();
// ----------------------------------------------
// create variables used in your program
// ----------------------------------------------
let webgl_context = null;
let attr_vertex = null;
let attr_normal = null;
let uniform_color = null;
let uniform_view = null;
let uniform_props = null;
let uniform_perspective = null;
let uniform_light = null;
let uniform_trans = null;
let uniform_eye = null;
let vertex_data = [];
let normal_data = [];
let canvas = null;
let program = null;
let count = 2;
let size = 3;
let axis_index = 0;
let mars_y_rot = 0;
let mgs_y_rot = 0;
// ----------------------------------------------
// camera parameters
// ----------------------------------------------
let xt = 0.5;
let yt = 0.5;
let zt = 0.5;
let fov = 45;
// ----------------------------------------------
// light parameters
// ----------------------------------------------
let lxt = 1.0;
let lyt = 1.0;
let lzt = 1.0;
// ----------------------------------------------
// orbit dynamic parameters
// ----------------------------------------------
let orbit_speed = 0;
let orbit_speed_crd = 3;
let orbit_radius_crd = 0.65;
let orbit_angle_crd = 45;
// ----------------------------------------------
// camera orientation parameters
// ----------------------------------------------
let at = vec3(0.0, 0.0, 0.0);
let up = vec3(0.0, 1.0, 0.0);
// ----------------------------------------------
// Event listeners
// ----------------------------------------------
// listener for the orbit speed slider
document.getElementById("os").addEventListener("input", function(e) {
orbit_speed_crd = parseFloat(document.getElementById("os").value);
document.getElementById("os_crd").innerHTML = " = " + orbit_speed_crd;
});
// listener for the orbit distance slider
document.getElementById("od").addEventListener("input", function(e) {
orbit_radius_crd = parseFloat(e.target.value);
document.getElementById("od_crd").innerHTML = " = " + orbit_radius_crd;
});
// listener...