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<html>
<head>
<title>ICG HW1</title>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
<script type="text/javascript" src="./js/glMatrix-0.9.5.min.js"></script>
<script type="text/javascript" src="./js/webgl-utils.js"></script>
<script type="text/javascript" src="./js/utils.js"></script>
<link rel="stylesheet" type="text/css" href="./js/css_style.css">
<style>
body {
background-color: #f5f5f5;
color: #aaa0f8;
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
overflow-y: auto;
overflow-x: hidden;
min-height: 100vh;
padding-bottom: 200px; /* Add padding to account for bottom container */
box-sizing: border-box;
position: relative;
}
.main-container {
display: flex;
min-height: calc(100vh - 220px);
padding: 10px;
padding-bottom: 240px;
box-sizing: border-box;
gap: 10px;
position: relative;
transition: all 0.3s ease-in-out;
}
.canvas-container {
flex: 1;
display: flex;
justify-content: center;
align-items: flex-start;
min-width: 0;
padding: 10px;
margin-bottom: 20px;
transition: all 0.3s ease-in-out;
}
#ICG-canvas {
background-color: #f5f5f5;
border-radius: 10px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
border: 2px solid #86c3fe;
margin-bottom: 30px;
max-width: 100%;
height: auto;
width: 100%;
height: auto;
max-width: 1060px;
transition: all 0.3s ease-in-out;
}
.control-panel {
background-color: #f5f5f5;
padding: 15px;
border-radius: 10px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
border: 2px solid #86c3fe;
}
.left-panel, .right-panel {
width: 200px;
flex-shrink: 0;
overflow-y: auto;
overflow-x: hidden;
max-height: calc(100vh - 260px);
scrollbar-width: thin;
scrollbar-color: #aaa0f8 #f5f5f5;
padding: 15px;
border-radius: 10px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
border: 2px solid #86c3fe;
margin-bottom: 20px;
transition: all 0.3s ease-in-out;
position: relative;
background-color: #f5f5f5;
}
.left-panel.collapsed {
margin-left: -190px;
}
.right-panel.collapsed {
margin-right: -190px;
}
.left-panel.collapsed .panel-toggle {
right: -24px;
}
.right-panel.collapsed .panel-toggle {
left: -24px;
}
/* Canvas expansion when panels are collapsed */
.left-panel.collapsed ~ .canvas-container #ICG-canvas {
max-width: 1260px;
}
.canvas-container ~ .right-panel.collapsed ~ #ICG-canvas {
max-width: 1260px;
}
.left-panel.collapsed ~ .canvas-container ~ .right-panel.collapsed ~ #ICG-canvas {
max-width: 1460px;
}
.bottom-container {
position: fixed;
left: 0;
bottom: 0;
width: 100%;
background-color: #f5f5f5;
padding: 20px;
box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
z-index: 1000;
height: 200px;
box-sizing: border-box;
transition: transform 0.3s ease-in-out;
}
.bottom-container.collapsed {
transform: translateY(180px);
}
.panel-toggle {
position: absolute;
width: 24px;
height: 60px;
background-color: #86c3fe; /* Default blue color */
border: none;
color: #86c3fe;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
font-size: 16px;
z-index: 1001;
border-radius: 0 4px 4px 0;
box-shadow: 2px 0 4px rgba(0,0,0,0.1);
left: 320px;
top: 10px;
transition: background-color 0.3s ease;
}
.panel-toggle:hover {
background-color: #aaa0f8; /* Purple color on hover */
}
/* Remove redundant color states and keep consistent colors */
.panel-toggle.clicked,
.left-panel-container.hidden .panel-toggle,
.panel-toggle.hidden {
background-color: #86c3fe; /* Keep blue as the base color */
}
.left-panel {
transition: transform 0.3s ease;
}
.left-panel.hidden {
transform: translateX(-320px);
}
.bottom-toggle {
position: absolute;
height: 24px;
width: 60px;
background-color: #86c3fe; /* Default blue color */
border: none;
color: white;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
font-size: 16px;
border-radius: 5px 5px 0 0;
left: 50%;
top: -24px;
transform: translateX(-50%);
z-index: 1001;
}
.panel-toggle:hover, .bottom-toggle:hover {
background-color: #aaa0f8; /* Purple color on hover */
}
.bottom-scroll {
width: 100%;
height: calc(100% - 20px);
overflow-x: scroll;
overflow-y: hidden;
scrollbar-width: thin;
scrollbar-color: #aaa0f8 #f5f5f5;
padding-bottom: 20px; /* Increased padding */
}
.bottom-panel {
display: inline-flex;
background-color: #f5f5f5;
border: 2px solid #86c3fe;
border-radius: 10px;
padding: 15px;
white-space: nowrap;
gap: 20px;
height: 140px; /* Fixed height */
min-width: min-content;
}
.bottom-panel > div {
background-color: rgba(134, 195, 254, 0.05);
padding: 15px;
border-radius: 8px;
min-width: 200px;
height: 100%;
box-sizing: border-box;
display: flex;
flex-direction: column;
overflow-y: auto; /* Add scroll for overflow content */
max-height: 140px; /* Match the bottom panel height */
}
.bottom-panel table {
margin: 0;
height: auto;
}
.bottom-panel td {
padding: 4px 0;
vertical-align: middle;
}
.bottom-panel input[type="range"] {
margin: 4px 0;
}
input[type="range"] {
-webkit-appearance: none;
width: 120px;
height: 5px;
border-radius: 5px;
background: #e395dc;
outline: none;
}
input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
width: 15px;
height: 15px;
border-radius: 50%;
background: #aaa0f8;
cursor: pointer;
}
select {
background-color: #f5f5f5;
color: #aaa0f8;
border: 1px solid #aaa0f8;
border-radius: 4px;
padding: 5px;
width: 120px;
}
strong {
color: #aaa0f8;
margin-bottom: 8px;
display: inline-block;
}
table {
margin-top: 8px;
border-spacing: 0;
border-collapse: collapse;
}
td {
padding: 4px 0;
color: #aaa0f8;
white-space: nowrap;
}
.control-group {
margin-bottom: 15px;
padding: 10px;
border-radius: 6px;
background-color: rgba(134, 195, 254, 0.05);
}
.control-group strong {
font-size: 14px;
margin-bottom: 10px;
}
.clipping-controls {
display: flex;
gap: 20px;
}
/* Webkit scrollbar styles for all panels */
.left-panel::-webkit-scrollbar,
.right-panel::-webkit-scrollbar,
.bottom-scroll::-webkit-scrollbar {
width: 8px;
height: 8px;
}
.left-panel::-webkit-scrollbar-track,
.right-panel::-webkit-scrollbar-track,
.bottom-scroll::-webkit-scrollbar-track {
background: #f5f5f5;
border-radius: 4px;
}
.left-panel::-webkit-scrollbar-thumb,
.right-panel::-webkit-scrollbar-thumb,
.bottom-scroll::-webkit-scrollbar-thumb {
background: #aaa0f8;
border-radius: 4px;
}
.left-panel::-webkit-scrollbar-thumb:hover,
.right-panel::-webkit-scrollbar-thumb:hover,
.bottom-scroll::-webkit-scrollbar-thumb:hover {
background: #e395dc;
}
/* Firefox scrollbar styles */
.left-panel,
.right-panel,
.bottom-scroll {
scrollbar-width: thin;
scrollbar-color: #aaa0f8 #f5f5f5;
}
/* Webkit scrollbar styles for right panel and bottom scroll */
.right-panel::-webkit-scrollbar,
.bottom-scroll::-webkit-scrollbar {
width: 8px;
height: 8px;
}
.right-panel::-webkit-scrollbar-track,
.bottom-scroll::-webkit-scrollbar-track {
background: #f5f5f5;
border-radius: 4px;
}
.right-panel::-webkit-scrollbar-thumb,
.bottom-scroll::-webkit-scrollbar-thumb {
background: #aaa0f8;
border-radius: 4px;
}
.right-panel::-webkit-scrollbar-thumb:hover,
.bottom-scroll::-webkit-scrollbar-thumb:hover {
background: #e395dc;
}
/* Ensure smooth transitions */
* {
transition: all 0.3s ease-in-out;
}
/* Add styles for the RGB Light Controls container */
.rgb-light-controls {
display: flex;
flex-direction: column;
gap: 10px;
overflow-y: auto;
}
.light-color-section {
margin-bottom: 10px;
}
.light-effects-section {
margin-top: auto; /* Push to bottom */
padding-top: 10px;
}
.texture-controls {
display: flex;
flex-direction: column;
gap: 10px;
overflow-y: auto;
padding: 5px;
}
.texture-import-controls {
display: flex;
flex-direction: column;
gap: 10px;
padding: 10px;
background-color: rgba(134, 195, 254, 0.05);
border-radius: 4px;
}
.texture-import-controls select {
background-color: #f5f5f5;
color: #aaa0f8;
border: 1px solid #aaa0f8;
border-radius: 4px;
padding: 5px;
}
.texture-import-controls button:hover {
background: #aaa0f8;
transition: background-color 0.3s ease;
}
#current-texture {
color: #aaa0f8;
word-break: break-all;
}
.texture-section {
margin-bottom: 10px;
}
.texture-settings {
margin-bottom: 10px;
}
.texture-blend {
margin-bottom: 10px;
}
.model-texture-selector {
background-color: rgba(134, 195, 254, 0.05);
padding: 8px;
border-radius: 4px;
margin-bottom: 8px;
}
.model-texture-selector select {
background-color: #f5f5f5;
color: #aaa0f8;
border: 1px solid #aaa0f8;
border-radius: 4px;
padding: 5px;
}
#texture-selectors-container {
max-height: 200px;
overflow-y: auto;
margin-bottom: 10px;
padding-right: 5px;
}
/* Add new styles for the range control container */
.range-container {
display: flex;
align-items: center;
gap: 8px;
width: 100%;
max-width: 280px; /* Limit maximum width */
margin-bottom: 5px;
}
.range-container span {
min-width: 20px;
flex-shrink: 0;
}
.range-container .min-max {
min-width: 25px;
font-size: 0.8em;
text-align: center;
flex-shrink: 0;
}
.range-container input[type="range"] {
width: 120px;
min-width: 80px;
max-width: 120px;
flex: 1;
}
.range-container input[type="number"] {
width: 50px;
flex-shrink: 0;
background: #f5f5f5;
border: 1px solid #86c3fe;
border-radius: 4px;
color: #aaa0f8;
padding: 2px 4px;
}
/* Update left panel width */
.left-panel {
width: 300px;
min-width: 300px;
overflow-x: hidden;
}
/* Update table container styles */
.table-container {
width: 100%;
max-width: 280px;
overflow-x: hidden;
}
/* Add container for range inputs to enable horizontal scrolling */
.left-panel .range-container {
display: flex;
align-items: center;
gap: 8px;
width: 100%;
min-width: 400px; /* Ensure minimum width to fit all elements */
padding-right: 10px;
overflow-x: auto; /* Enable horizontal scroll for range containers */
}
.left-panel .range-container input[type="range"] {
min-width: 150px;
max-width: 200px;
flex: 1;
}
.left-panel .range-container input[type="number"] {
width: 65px;
flex-shrink: 0; /* Prevent number input from shrinking */
}
.left-panel .range-container span {
min-width: 25px;
flex-shrink: 0; /* Prevent labels from shrinking */
}
.left-panel .range-container .min-max {
min-width: 30px;
text-align: center;
flex-shrink: 0; /* Prevent min-max values from shrinking */
}
/* Add container for tables to enable horizontal scroll */
.left-panel .table-container {
overflow-x: auto; /* Enable horizontal scroll for tables */
width: 100%;
margin-bottom: 10px;
}
.left-panel table {
min-width: 400px; /* Ensure minimum width to fit all elements */
width: 100%;
table-layout: fixed;
}
.left-panel td {
padding: 2px;
white-space: nowrap; /* Prevent text wrapping */
}
/* Ensure control groups don't get cut off */
.left-panel .control-group {
min-width: 400px; /* Match table min-width */
overflow-x: auto; /* Enable horizontal scroll for control groups */
}
.left-panel.hidden {
transform: translateX(-320px);
}
.panel-toggle.hidden {
left: 0;
}
.left-panel .range-container {
display: flex;
align-items: center;
gap: 8px;
width: 100%;
padding-right: 10px;
overflow-x: auto; /* 允許內容水平滾動 */
}
.left-panel .range-container input[type="range"] {
min-width: 150px;
max-width: 200px;
flex: 1;
}
.left-panel .range-container input[type="number"] {
width: 65px;
flex-shrink: 0; /* Prevent number input from shrinking */
}
.left-panel .range-container span {
min-width: 25px;
flex-shrink: 0; /* Prevent labels from shrinking */
}
.left-panel .range-container .min-max {
min-width: 30px;
text-align: center;
flex-shrink: 0; /* Prevent min-max values from shrinking */
}
/* Ensure table doesn't shrink content */
.left-panel table {
min-width: 400px;
width: 100%;
table-layout: fixed;
}
.left-panel td {
padding: 2px;
white-space: nowrap; /* Prevent wrapping */
}
/* Container for the table to enable horizontal scroll */
.left-panel .table-container {
overflow-x: auto; /* 允許表格水平滾動 */
width: 100%;
margin-bottom: 10px;
}
.right-panel {
position: relative; /* Change to relative positioning */
width: 320px;
height: 100vh;
background-color: #f5f5f5;
padding: 10px;
box-sizing: border-box;
overflow-y: auto;
overflow-x: auto;
z-index: 1000;
transition: all 0.3s ease-in-out;
border: 2px solid #86c3fe;
border-radius: 10px;
margin-right: -10px; /* Add negative margin to align with edge */
}
.right-panel.collapsed {
transform: translateX(calc(100% + 10px)); /* Adjust transform to account for margin */
}
.right-panel-toggle {
position: absolute;
left: -24px; /* Position button outside the panel */
top: 10px;
width: 24px;
height: 60px;
background-color: #86c3fe;
border: none;
color: white;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
font-size: 16px;
z-index: 1001;
border-radius: 4px 0 0 4px;
box-shadow: -2px 0 4px rgba(0,0,0,0.1);
transition: all 0.3s ease-in-out;
}
.right-panel-toggle:hover {
background-color: #aaa0f8;
}
.right-panel.collapsed {
transform: translateX(320px);
}
.right-panel .range-container {
display: flex;
align-items: center;
gap: 8px;
min-width: 400px; /* Increased to ensure all elements fit */
margin-bottom: 5px;
padding-right: 10px;
white-space: nowrap; /* Prevent wrapping */
justify-content: flex-start; /* 新增：確保內容靠左對齊 */
}
.right-panel .range-container input[type="range"] {
min-width: 150px;
max-width: 200px;
flex: 1;
}
.right-panel .range-container input[type="number"] {
width: 65px;
flex-shrink: 0; /* Prevent number input from shrinking */
}
.right-panel .range-container span {
min-width: 25px;
flex-shrink: 0; /* Prevent labels from shrinking */
}
.right-panel .range-container .min-max {
min-width: 30px;
text-align: center;
flex-shrink: 0; /* Prevent min-max values from shrinking */
}
/* Ensure table doesn't shrink content */
.right-panel table {
min-width: 400px;
width: 100%;
table-layout: fixed;
margin-left: 0; /* 新增：確保表格靠左對齊 */
}
.right-panel td {
padding: 2px;
white-space: nowrap;
text-align: left; /* 新增：確保單元格內容靠左對齊 */
}
/* Container for the table to enable horizontal scroll */
.right-panel .table-container {
overflow-x: auto;
width: 100%;
}
/* Style for the left panel collapse button */
.left-panel-collapse-btn {
position: fixed;
left: 320px; /* Position it at the edge of the left panel */
top: 10px;
z-index: 1001; /* Ensure it's above the panel */
background-color: #f0f0f0;
border: 1px solid #ccc;
border-left: none;
padding: 8px;
cursor: pointer;
border-radius: 0 4px 4px 0;
box-shadow: 2px 0 4px rgba(0,0,0,0.1);
}
.left-panel-collapse-btn:hover {
background-color: #e0e0e0;
}
/* Adjust left panel collapse animation */
.left-panel {
transition: transform 0.3s ease;
}
.left-panel.collapsed {
transform: translateX(-320px);
}
.left-panel-collapse-btn.collapsed {
left: 0;
}
.left-panel-container {
position: fixed;
top: 0;
left: 0;
height: 100vh;
transition: transform 0.3s ease;
}
.left-panel-container.hidden {
transform: translateX(-320px);
}
.panel-toggle {
position: absolute;
width: 24px;
height: 60px;
background-color: #f0f0f0;
border: 1px solid #ccc;
border-left: none;
color: #333;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
font-size: 16px;
z-index: 1001;
border-radius: 0 4px 4px 0;
box-shadow: 2px 0 4px rgba(0,0,0,0.1);
left: 320px;
top: 10px;
}
.panel-toggle:hover {
background-color: #e0e0e0;
}
.right-panel-container {
position: fixed;
top: 0;
right: 0;
height: 100vh;
transition: transform 0.3s ease;
}
.right-panel-container.hidden {
transform: translateX(320px);
}
.right-panel-container .panel-toggle {
position: absolute;
width: 24px;
height: 60px;
background-color: #86c3fe;
border: none;
color: white;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
font-size: 16px;
z-index: 1001;
border-radius: 4px 0 0 4px;
box-shadow: -2px 0 4px rgba(0,0,0,0.1);
left: -24px;
top: 10px;
}
.right-panel-container .panel-toggle:hover {
background-color: #aaa0f8;
}
.right-panel {
width: 320px;
height: 100vh;
background-color: #f0f0f0;
padding: 10px;
box-sizing: border-box;
overflow-y: auto;
overflow-x: auto;
z-index: 1000;
transition: transform 0.3s ease;
}
.right-panel.hidden {
transform: translateX(320px);
}
/* 新增：確保右側面板中的所有元素靠左對齊 */
.right-panel .control-group,
.right-panel strong,
.right-panel div {
text-align: left;
margin-left: 0;
}
.auto-rotate-control {
display: flex;
align-items: center;
gap: 10px;
margin-top: 10px;
}
.auto-rotate-control label {
display: flex;
align-items: center;
gap: 5px;
}
.rotation-speed-control {
display: flex;
flex-direction: column;
gap: 5px;
margin-top: 5px;
}
.rotation-speed-control input[type="range"] {
width: 100%;
}
</style>
<script type="text/javascript">
// Add rotation control variables
var autoRotateObjects = {};
var rotationSpeeds = {
x: 1.0,
y: 1.0,
z: 1.0
};
function toggleAutoRotate(objId) {
objId = parseInt(objId);
if (!autoRotateObjects[objId]) {
autoRotateObjects[objId] = {
active: true,
lastTime: Date.now(),
angles: {
x: parseFloat(obj_vec[objId].rotate_vec[0]) || 0,
y: parseFloat(obj_vec[objId].rotate_vec[1]) || 0,
z: parseFloat(obj_vec[objId].rotate_vec[2]) || 0
}
};
} else {
autoRotateObjects[objId].active = !autoRotateObjects[objId].active;
if (autoRotateObjects[objId].active) {
autoRotateObjects[objId].lastTime = Date.now();
// Update initial angles from current rotation
autoRotateObjects[objId].angles = {
x: parseFloat(obj_vec[objId].rotate_vec[0]) || 0,
y: parseFloat(obj_vec[objId].rotate_vec[1]) || 0,
z: parseFloat(obj_vec[objId].rotate_vec[2]) || 0
};
}
}
// Enable rotation if any object has auto-rotation enabled
rotate_flag = Object.values(autoRotateObjects).some(obj => obj.active);
// Update checkbox state
document.getElementById('selected_auto_rotate').checked = autoRotateObjects[objId]?.active || false;
}
function updateRotationSpeed(axis, value) {
rotationSpeeds[axis] = parseFloat(value);
document.getElementById('speed_' + axis + '_value').textContent = value;
}
function rotate_objects() {
const currentTime = Date.now();
// Iterate through all objects in obj_vec
for (let i = 0; i < obj_vec.length; i++) {
if (!autoRotateObjects[i] || !autoRotateObjects[i].active) continue;
const deltaTime = (currentTime - autoRotateObjects[i].lastTime) / 1000.0; // Convert to seconds
autoRotateObjects[i].lastTime = currentTime;
// Update rotation angles
autoRotateObjects[i].angles.x += rotationSpeeds.x * deltaTime * 60; // 60 degrees per second at speed 1.0
autoRotateObjects[i].angles.y += rotationSpeeds.y * deltaTime * 60;
autoRotateObjects[i].angles.z += rotationSpeeds.z * deltaTime * 60;
// Apply rotation
const obj = obj_vec[i];
if (obj) {
obj.rotate_vec = vec3.create([
autoRotateObjects[i].angles.x % 360,
autoRotateObjects[i].angles.y % 360,
autoRotateObjects[i].angles.z % 360
]);
// Update UI sliders if this is the currently selected object
const selectedObjId = document.getElementById('object_selector').value;
if (i.toString() === selectedObjId) {
document.getElementById("selected_rotateX").value = autoRotateObjects[i].angles.x % 360;
document.getElementById("selected_rotateY").value = autoRotateObjects[i].angles.y % 360;
document.getElementById("selected_rotateZ").value = autoRotateObjects[i].angles.z % 360;
}
}
}
}
function updateAutoRotateUI(objId) {
document.getElementById('selected_auto_rotate').checked = autoRotateObjects[objId]?.active || false;
}
// Modify the existing object selection handler to update auto-rotate UI
const originalUpdateSelectedObject = window.updateSelectedObject || function(){};
window.updateSelectedObject = function(type) {
originalUpdateSelectedObject(type);
if (type === 'select') {
const objId = document.getElementById('object_selector').value;
updateAutoRotateUI(objId);
}
};
</script>
<!--
TODO HERE:
modify fragment shader or write another one
to implement flat, gouraud and phong shading
-->
<script id="fragmentShader" type="fragment">
#extension GL_OES_standard_derivatives : enable
precision mediump float;
varying vec3 shading_mode;
varying vec3 vertexColor;
varying vec3 fragPosition;
varying vec3 fragNormal;
varying vec3 lightLocations[3];
varying vec3 lightColors[3];
varying vec3 lightKdKsCDs[3];
varying float Ka_val;
varying vec3 ambient_lightColor;
varying vec4 fragcolor;
varying vec2 vTextureCoord;
uniform sampler2D uSampler;
uniform int useTexture;
uniform int textureBlendMode;