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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Scene Graph Builder</title>
<meta charset="UTF-8">
<link rel="shortcut icon" href="favicon.ico">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
<link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/smoothness/jquery-ui.css">
<script src='jquery-sortable-min.js'></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r122/three.min.js"></script>
<script src="OrbitControls.js"></script>
<script src="OBJLoader.js"></script>
<script>
var GraphGroup;
var MovingGeometry = [];
var clock = new THREE.Clock();
function ValueChanged(Element, PropertyName){
$(Element).closest("li").data(PropertyName, Element.value);
$(Element).attr("value", Element.value);
$(Element).closest("li").attr("data-" + PropertyName, Element.value);
Render();
}
function ColorChange(Element){
ValueChanged(Element, 'color')
$(Element).closest("span.icon").css("background", Element.value);
}
$(document).ready(function() {
window.GraphGroup = $("#SceneGraph").sortable({
group: 'serialization',
onDrop: function ($item, container, _super) {
Render();
_super($item, container);
},
onDragStart: function ($item, container, _super) {
if(!container.options.drop){
$item.clone(true).insertAfter($item);
$item.find('input, select').each(function () {
$(this).removeAttr("disabled");
});
$item.find('.deleter').each(function () {
$(this).removeAttr("hidden");
});
$item.find('.picker').each(function () {
var that = this;
$(this).dblclick(function () {
$(that).find("input[type='color']")[0].click();
});
});
if($item.data("type") == "geometry"){
var color = "#" + new THREE.Color().setHSL(Math.random(), 0.5, 0.75).getHexString();
$item.find("span.icon").first().css("background", color);
$item.data("color", color);
$item.attr("data-color", color);
$item.find("input[type='color']").first().val(color);
}
}
_super($item, container);
}
});
// Initial setup for color change
$("#SceneGraph").find('.picker').each(function () {
var that = this;
$(this).find("input[type='color']").first().val($(this).closest("li").attr("data-color"));
$(this).dblclick(function () {
$(that).find("input[type='color']")[0].click();
});
});
var PartsGroup = $("#Parts").sortable({
group: 'serialization',
drop: false
});
const loader = new THREE.OBJLoader();
loader.load("models/teapot.obj", function(object){ window.Geometryteapot = object.children[0].geometry; });
loader.load("models/smallarm.obj", function(object){ window.GeometrySmallArm = object.children[0].geometry; });
loader.load("models/bigarm.obj", function(object){ window.GeometryBigArm = object.children[0].geometry; });
InitThreeJS();
Render();
});
function onWindowResize(){
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function InitThreeJS(){
const canvas = document.querySelector('#RenderedView');
window.ThreeJSScene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(70, $("#RenderedView").width()/$("#RenderedView").height(), 0.1, 1000);
camera.position.z = 10;
camera.position.y = 10;
var renderer = new THREE.WebGLRenderer({canvas, antialias : true});
renderer.setSize($("#RenderedView").width(), $("#RenderedView").height());
$(window).resize(function(){
camera.aspect = $("#RenderedView").width()/$("#RenderedView").height();
camera.updateProjectionMatrix();
renderer.setSize($("#RenderedView").width(), $("#RenderedView").height());
});
const controls = new THREE.OrbitControls( camera, renderer.domElement );
var render = function () {
requestAnimationFrame(render);
var DeltaTime = clock.getDelta();
MovingGeometry.forEach(function(entry) {
entry.object.rotation[entry.axis] += THREE.Math.DEG2RAD * (DeltaTime * entry.speed);
});
controls.update();
renderer.render(ThreeJSScene, camera);
};
render();
}
function Axis(Color, Rotation, Length, OffsetComponent){
const geometry = new THREE.CylinderGeometry( 0.02, 0.02, Length, 4 );
const material = new THREE.MeshBasicMaterial( {color: Color} );
var axis = new THREE.Mesh( geometry, material );
axis.rotation.set(Rotation.x, Rotation.y, Rotation.z);
axis.position.setComponent(OffsetComponent, Length/2);
return axis;
}
function SceneSetup(SceneGraph){
var scene = new THREE.Scene();
var RotatingParts = [];
scene.add( Axis(0xff0000, new THREE.Vector3(0,0,Math.PI/2), 2, 0)); //X
scene.add( Axis(0x00ff00, new THREE.Vector3(0,0,0), 2, 1)); //Y
scene.add( Axis(0x0000ff, new THREE.Vector3(Math.PI/2,0,0), 2, 2)); //Z
const lightHemisphere = new THREE.HemisphereLight( 0xffffbb, 0x080820, 1 );
scene.add( lightHemisphere );
const light = new THREE.AmbientLight( 0x404040 ); // soft white light
scene.add( light );
const loader = new THREE.CubeTextureLoader();
const texture = loader.setPath("skybox/").load([
'side.png',
'side.png',
'top.png',
'bottom.png',
'side.png',
'side.png'
]);
scene.background = texture;
const gridHelper = new THREE.GridHelper( 20, 20 );
scene.add( gridHelper );
CreateScenePart(scene, SceneGraph, RotatingParts);
window.MovingGeometry = RotatingParts;
window.ThreeJSScene = scene;
}
function Render(){
SceneSetup(GraphGroup.sortable('serialize').get());
}
function RemoveItem(self){
$(self).parent().remove();
Render();
}
function CreateScenePart(ParentElement, RestOfTree, RotationObjects){
if(RestOfTree.length == 0 || RestOfTree[0].length == 0) return;
RestOfTree[0].forEach(function(entry) {
switch(entry.type){
case "scale":
var object = new THREE.Object3D();
var newScaleX = (typeof entry.x === 'undefined' || entry.x == "")? 1 : parseFloat(entry.x);
var newScaleY = (typeof entry.y === 'undefined' || entry.y == "")? 1 : parseFloat(entry.y);
var newScaleZ = (typeof entry.z === 'undefined' || entry.z == "")? 1 : parseFloat(entry.z);
object.scale.set(newScaleX, newScaleY, newScaleZ);
ParentElement.add(object);
CreateScenePart(object, entry.children, RotationObjects);
break;
case "rotation":
var object = new THREE.Object3D();
ParentElement.add(object);
RotationObjects.push({"object": object, "speed" : (typeof entry.speed === 'undefined' || entry.speed == "")? 0 : parseFloat(entry.speed), "axis" : entry.axis})
CreateScenePart(object, entry.children, RotationObjects);
break;
case "translation":
var object = new THREE.Object3D();
object.position.x = (typeof entry.x === 'undefined' || entry.x == "")? 0 : parseFloat(entry.x);
object.position.y = (typeof entry.y === 'undefined' || entry.y == "")? 0 : parseFloat(entry.y);
object.position.z = (typeof entry.z === 'undefined' || entry.z == "")? 0 : parseFloat(entry.z);
ParentElement.add(object);
CreateScenePart(object, entry.children, RotationObjects);
break;
case "geometry":
var geometry;
var wireframe = false;
var shading = true;
switch(entry.geometry){
case "point":
geometry = new THREE.SphereGeometry(0.05, 20, 20);
wireframe = false;
shading = false;
break;
case "sphere":
geometry = new THREE.SphereGeometry(1, 20, 20);
wireframe = true;
break;
case "cube":
geometry = new THREE.BoxGeometry( 1, 1, 1 );
break;
case "cone":
geometry = new THREE.ConeGeometry( 1, 1, 20 );
wireframe = true;
break;
case "cylinder":
geometry = new THREE.CylinderGeometry( 1, 1, 1, 20 );
wireframe = true;
break;
case "torus":
geometry = new THREE.TorusGeometry( 1, 0.5, 20, 20 ).rotateX(Math.PI / 2);
wireframe = true;
break;
case "teapot":
geometry = Geometryteapot.clone();
break;
case "smallarm":
geometry = GeometrySmallArm.clone();
break;
case "bigarm":
geometry = GeometryBigArm.clone();
break;
}
if(shading){
ParentElement.add(new THREE.Mesh(geometry, new THREE.MeshPhongMaterial({color: entry.color, side: THREE.DoubleSide})));
} else {
ParentElement.add(new THREE.Mesh(geometry, new THREE.MeshBasicMaterial({color: entry.color, side: THREE.DoubleSide})));
}
if(wireframe){
ParentElement.add(new THREE.Mesh(geometry, new THREE.MeshPhongMaterial({color: "#000000", side: THREE.DoubleSide, wireframe : true})));
}
break;
}
});
}
</script>
<style>
body.dragging, body.dragging * {
cursor: move !important;
}
.dragged {
position: absolute;
opacity: 0.5;
z-index: 2000;
}
ol {
padding-left: 0px;
margin: 0px;
}
ol li {
display: block;
margin: 5px 0px 5px 5px;
padding: 5px 0px 5px 10px;
color: black;
font-family: sans-serif;
background: #eeeeee;
border: 1px solid gray;
border-radius: 10px;
cursor: grab;
}
ol li[data-type=rotation] { background: #fde8cc; }
ol li[data-type=translation] { background: #b5ecb5; }
ol li[data-type=scale] { background: #dedefb; }
ol li[data-type=sphere] { background: #eee; }
ol li[data-type=cube] { background: #eee; }
li > ol > li {
border-width: 1px 0px 1px 1px;
border-radius: 10px 0px 0px 10px;
}
#Parts > li {
border-radius: 10px 0px 0px 10px;
}
.placeholder {
border: 2px dashed #ccc !important;
}
ol:empty {
min-height: 10px;
margin-top: 5px;
border-style: dashed;
border-color: gray;
border-width: 2px 0px 2px 2px;
border-radius: 10px 0px 0px 10px;
}
html {
height: 100%;
}
body {
display: flex;
align-items: stretch;
height: 100%;
width: 100%;
box-sizing: border-box;
padding: 15px;
margin: 0px;
align-content: stretch;
overflow: hidden;
min-width: 900px;
}
#RenderedView {
width: 100% !important;
height: 100% !important;
border-radius: 5px;
}
#GraphPane {
width: 30%;
display: flex;
flex-direction: column;
}
.pane {
border: 1px solid gray;
padding: 10px;
margin: 5px;
border-radius: 5px;
background: aliceblue;
}
.heading {
font-size: 2em;
text-align: center;
font-family: sans-serif;
}
input {
width: 50px;
border: 1px solid #ccc;
border-radius: 5px;
padding: 4px;
margin: 0px 2px;
position: relative;
background-color: #FFFFFF;
}
select {
border: 1px solid #ccc;
border-radius: 5px;
margin: 0px 2px;
position: relative;
padding: 3px;
background-color: #FFFFFF;
}
.deleter {
float: right;
margin-right: 5px;
cursor: pointer;
}
.no-break {
display: inline-block;
}
.icon {
border: 2px solid #45454e;
background: #0078d7;
width: 19px;
height: 19px;
display: inline-block;
position: relative;
vertical-align: sub;
box-sizing: border-box;
cursor: pointer;
}
.sphere {
border-radius: 50%;
}
</style>
</head>
<body>
<div class="pane" style="width: 70%">
<canvas id="RenderedView">
</canvas>
</div>
<div id="GraphPane">
<div class="pane">
<div class="heading" style="margin-bottom: 15px;">Available Parts:</div>
<ol id="Parts">
<li data-type="rotation" data-axis="y">🔄️ Rotation <span class="deleter" hidden onclick="RemoveItem(this)">❌️</span>
<span class="no-break">
around
<select oninput="ValueChanged(this, 'axis')" disabled autocomplete="off">
<option value="x">X</option>
<option value="y" selected>Y</option>
<option value="z">Z</option>
</select>
at
</span>
<span class="no-break">
<input type="number" value="" autocomplete="off" placeholder="°/sec" oninput="ValueChanged(this, 'speed')" step="10" disabled></input>
°/sec
</span>
<ol></ol>
</li>
<li data-type="translation">↗️ Translation <span class="deleter" hidden onclick="RemoveItem(this)">❌️</span>
<input type="number" value="" autocomplete="off" placeholder="X" step="0.5" oninput="ValueChanged(this, 'x')" disabled></input>
<input type="number" value="" autocomplete="off" placeholder="Y" step="0.5" oninput="ValueChanged(this, 'y')" disabled></input>
<input type="number" value="" autocomplete="off" placeholder="Z" step="0.5" oninput="ValueChanged(this, 'z')" disabled></input>
<ol></ol>
</li>
<li data-type="scale">↔️ Scale <span class="deleter" hidden onclick="RemoveItem(this)">❌️</span>
<input type="number" value="" autocomplete="off" placeholder="X" step="0.5" oninput="ValueChanged(this, 'x')" disabled></input>
<input type="number" value="" autocomplete="off" placeholder="Y" step="0.5" oninput="ValueChanged(this, 'y')" disabled></input>
<input type="number" value="" autocomplete="off" placeholder="Z" step="0.5" oninput="ValueChanged(this, 'z')" disabled></input>
<ol></ol>
</li>
<li data-type="geometry" data-geometry="sphere"><span class="icon sphere picker" style="background: rgb(163, 223, 159)"><input name="color" type="color" onchange="ColorChange(this, 'color')" hidden/></span> Geometry <span class="deleter" hidden onclick="RemoveItem(this)">❌️</span>
<select oninput="ValueChanged(this, 'geometry')" disabled autocomplete="off">
<option value="bigarm">Big Arm</option>
<option value="cone">Cone</option>
<option value="cube">Cube</option>
<option value="cylinder">Cylinder</option>
<option value="point">Point</option>
<option value="smallarm">Small Arm</option>
<option value="sphere" selected>Sphere</option>
<option value="teapot">Teapot</option>
<option value="torus">Torus</option>
</select>
</li>
</ol>
</div>
<div class="pane" style="flex-grow: 1; overflow-y: scroll;">
<div class="heading" style="margin-bottom: 15px; ">Scene Graph:</div>
<ol>
<li style="background: white;">Root
<ol id="SceneGraph">
<!-- Example -->
<li data-type="rotation" data-speed="90" data-axis="y">🔄️ Rotation <span class="deleter" onclick="RemoveItem(this)">❌️</span>
<span class="no-break">
around
<select oninput="ValueChanged(this, 'axis')" autocomplete="off">
<option value="x">X</option>
<option value="y" selected>Y</option>
<option value="z">Z</option>
</select>
at
</span>
<span class="no-break">
<input type="number" value="90" autocomplete="off" placeholder="°/sec" oninput="ValueChanged(this, 'speed')" step="10"></input>
°/sec
</span>
<ol>
<li data-type="translation" data-x="2">↗️ Translation <span class="deleter" onclick="RemoveItem(this)">❌️</span>
<input type="number" value="2" autocomplete="off" placeholder="X" step="0.5" oninput="ValueChanged(this, 'x')">
<input type="number" value="" autocomplete="off" placeholder="Y" step="0.5" oninput="ValueChanged(this, 'y')">
<input type="number" value="" autocomplete="off" placeholder="Z" step="0.5" oninput="ValueChanged(this, 'z')">
<ol>
<li data-type="rotation" data-speed="90" data-axis="y">🔄️ Rotation <span class="deleter" onclick="RemoveItem(this)">❌️</span>
<span class="no-break">
around
<select oninput="ValueChanged(this, 'axis')" autocomplete="off">
<option value="x">X</option>
<option value="y" selected>Y</option>
<option value="z">Z</option>
</select>
at
</span>
<span class="no-break">
<input type="number" value="90" autocomplete="off" placeholder="°/sec" oninput="ValueChanged(this, 'speed')" step="10"></input>
°/sec
</span>
<ol>
<li data-type="geometry" data-geometry="cube" data-color="#A3DF9F"><span class="icon sphere picker" style="background: rgb(163, 223, 159)"><input name="color" type="color" onchange="ColorChange(this, 'color')" hidden/></span> Geometry <span class="deleter" onclick="RemoveItem(this)">❌️</span>
<select oninput="ValueChanged(this, 'geometry')" value="cube" autocomplete="off">
<option value="bigarm">Big Arm</option>
<option value="cone">Cone</option>
<option value="cube" selected>Cube</option>
<option value="cylinder">Cylinder</option>
<option value="point">Point</option>
<option value="smallarm">Small Arm</option>
<option value="sphere">Sphere</option>
<option value="teapot">Teapot</option>
<option value="torus">Torus</option>
</select>
</li>
</ol>
</li>
</ol>
</li>
</ol>
</li>
</ol>
</li>
</ol>
</div>
</div>
</body>
</html>