three打造混凝土高楼林立的城市效果代码
代码语言：html
所属分类：三维
代码描述：three打造混凝土高楼林立的城市效果代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<html lang="en"><head>
<meta charset="UTF-8">
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Hind:wght@400;700&display=swap">
<style>
* {
border: 0;
box-sizing: border-box;
margin: 0;
padding: 0;
}
:root {
font-size: calc(16px + (24 - 16) * (100vw - 320px) / (2560 - 320));
--bg: #737a8c;
--buttonBg: #2762f3;
--buttonHoverBg: #0c48db;
--formBg: #fff;
--inputBorder: #abafba;
--inputBg: #fff;
--inputDisableBg: #e3e4e8;
--pColor: #17181c;
}
aside {
background: var(--formBg);
box-shadow: 0 0 0.25em hsla(223,10%,10%,0.5);
border-radius: 0.375em 0.375em 0 0;
position: fixed;
bottom: 0;
left: 1.25em;
max-width: 17.5em;
width: calc(100% - 2.5em);
transform: translateY(100%);
transition: transform 0.3s ease-in-out;
}
body, button, input {
color: var(--pColor);
font: 1em/1.5 "Hind", -apple-system, sans-serif;
}
body, .upload-btn {
overflow: hidden;
}
button:hover, button:focus, .upload-btn input[type=file]:hover + button, .upload-btn input[type=file]:focus + button {
background: var(--buttonHoverBg);
}
button, .upload-btn input[type=file], .upload-btn input[type=file]::-webkit-file-upload-button {
cursor: pointer;
}
button, input {
display: block;
width: 100%;
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
button {
background: var(--buttonBg);
border-radius: 0.375em;
color: #fff;
margin-bottom: 1.5em;
padding: 0.75em 1em;
transition: background 0.1s linear;
}
button:focus {
outline: 0;
}
form {
padding: 1.5em 1.5em 0 1.5em;
position: relative;
}
input {
background: var(--inputBg);
border-radius: 0.25em;
box-shadow: 0 0 0 1px var(--inputBorder) inset;
padding: 0.75em;
}
input:disabled {
background: var(--inputDisableBg);
cursor: not-allowed;
text-overflow: ellipsis;
}
label {
display: inline-block;
font-weight: bold;
}
.aside-toggle, .aside-toggle:hover, .aside-toggle:focus {
background-color: var(--formBg);
}
.aside-toggle {
border-radius: 0.375em 0.375em 0 0;
margin: 0;
padding: 0.25em 1em;
position: absolute;
bottom: 100%;
left: 50%;
transform: translateX(-50%);
transition: none;
width: 4.5em;
height: 1.5em;
}
.aside-toggle:before {
border-left: 0.5em solid transparent;
border-right: 0.5em solid transparent;
border-bottom: 0.5em solid;
color: var(--pColor);
content: "";
display: block;
position: absolute;
top: 33%;
left: calc(50% - 0.5em);
width: 0;
height: 0;
transition: color 0.1s linear;
}
.aside-toggle:hover:before, .aside-toggle:focus:before {
color: var(--buttonBg);
}
.aside-open {
transform: translateY(0%);
}
.aside-open .aside-toggle:before {
border-bottom: 0;
border-top: 0.5em solid;
}
.sr {
clip: rect(1px,1px,1px,1px);
overflow: hidden;
position: absolute;
}
.upload-btn, .upload-btn input[type=text], .upload-btn input[type=file] + button {
margin-bottom: 0.75em;
}
.upload-btn {
display: flex;
justify-content: space-between;
position: relative;
}
.upload-btn input[type=text] {
width: calc(62.5% - 0.375em);
}
.upload-btn input[type=file], .upload-btn input[type=file] + button {
width: calc(37.5% - 0.375em);
}
.upload-btn input[type=file] {
position: absolute;
opacity: 0;
top: 0;
left: 0;
height: 3em;
}
.upload-btn input[type=file] + button svg {
display: block;
margin: auto;
width: 1.5em;
height: 1.5em;
}
.upload-btn input[type=file] + button path {
fill: #fff;
}
/* Dark theme */
@media (prefers-color-scheme: dark) {
:root {
--formBg: #17181c;
--inputBg: #2e3138;
--inputDisableBg: #2e3138;
--inputBorder: #5c6270;
--pColor: #e3e4e8;
}
}
</style>
</head>
<body><canvas width="498" height="659" style="display: block; width: 498px; height: 659px;"></canvas>
<aside class="aside-open">
<form action="">
<button id="aside-btn" class="aside-toggle aside-toggle-open" type="button">
<span class="sr">Toggle Panel</span>
</button>
<label for="img_upload">Image</label>
<div class="upload-btn">
<input id="img_upload" name="img_upload" type="file" accept="image/*">
<button for="img_upload" type="button" tabindex="-1" title="Upload">
<svg viewBox="0 0 512 512" width="24" height="24" xmlns="http://www.w3.org/2000/svg">
<path d="m182.461 155.48 49.539-49.539v262.059a24 24 0 0 0 48 0v-262.059l49.539 49.539a24 24 0 1 0 33.941-33.941l-90.509-90.51a24 24 0 0 0 -33.942 0l-90.509 90.51a24 24 0 1 0 33.941 33.941z"></path>
<path d="m464 232a24 24 0 0 0 -24 24v184h-368v-184a24 24 0 0 0 -48 0v192a40 40 0 0 0 40 40h384a40 40 0 0 0 40-40v-192a24 24 0 0 0 -24-24z"></path>
</svg>
</button>
<input id="img_name" name="img_name" type="text" placeholder="No file selected" disabled="">
</div>
<button id="reset-btn" type="button">Reset</button>
</form>
</aside>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.126.js"></script>
<script>
window.addEventListener("DOMContentLoaded",app);
THREE.OrbitControls = function ( object, domElement ) {
this.object = object;
this.domElement = ( domElement !== undefined ) ? domElement : document;
// Set to false to disable this control
this.enabled = true;
// "target" sets the location of focus, where the object orbits around
this.target = new THREE.Vector3();
// How far you can dolly in and out ( PerspectiveCamera only )
this.minDistance = 0;
this.maxDistance = Infinity;
// How far you can zoom in and out ( OrthographicCamera only )
this.minZoom = 0;
this.maxZoom = Infinity;
// How far you can orbit vertically, upper and lower limits.
// Range is 0 to Math.PI radians.
this.minPolarAngle = 0; // radians
this.maxPolarAngle = Math.PI; // radians
// How far you can orbit horizontally, upper and lower limits.
// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].
this.minAzimuthAngle = - Infinity; // radians
this.maxAzimuthAngle = Infinity; // radians
// Set to true to enable damping (inertia)
// If damping is enabled, you must call controls.update() in your animation loop
this.enableDamping = false;
this.dampingFactor = 0.05;
// This option actually enables dollying in and out; left as "zoom" for backwards compatibility.
// Set to false to disable zooming
this.enableZoom = true;
this.zoomSpeed = 1.0;
// Set to false to disable rotating
this.enableRotate = true;
this.rotateSpeed = 1.0;
// Set to false to disable panning
this.enablePan = true;
this.panSpeed = 1.0;
this.screenSpacePanning = false; // if true, pan in screen-space
this.keyPanSpeed = 7.0; // pixels moved per arrow key push
// Set to true to automatically rotate around the target
// If auto-rotate is enabled, you must call controls.update() in your animation loop
this.autoRotate = false;
this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60
// Set to false to disable use of the keys
this.enableKeys = true;
// The four arrow keys
this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };
// Mouse buttons
this.mouseButtons = { LEFT: THREE.MOUSE.ROTATE, MIDDLE: THREE.MOUSE.DOLLY, RIGHT: THREE.MOUSE.PAN };
// Touch fingers
this.touches = { ONE: THREE.TOUCH.ROTATE, TWO: THREE.TOUCH.DOLLY_PAN };
// for reset
this.target0 = this.target.clone();
this.position0 = this.object.position.clone();
this.zoom0 = this.object.zoom;
//
// public methods
//
this.getPolarAngle = function () {
return spherical.phi;
};
this.getAzimuthalAngle = function () {
return spherical.theta;
};
this.saveState = function () {
scope.target0.copy( scope.target );
scope.position0.copy( scope.object.position );
scope.zoom0 = scope.object.zoom;
};
this.reset = function () {
scope.target.copy( scope.target0 );
scope.object.position.copy( scope.position0 );
scope.object.zoom = scope.zoom0;
scope.object.updateProjectionMatrix();
scope.dispatchEvent( changeEvent );
scope.update();
state = STATE.NONE;
};
// this method is exposed, but perhaps it would be better if we can make it private...
this.update = function () {
var offset = new THREE.Vector3();
// so camera.up is the orbit axis
var quat = new THREE.Quaternion().setFromUnitVectors( object.up, new THREE.Vector3( 0, 1, 0 ) );
var quatInverse = quat.clone().inverse();
var lastPosition = new THREE.Vector3();
var lastQuaternion = new THREE.Quaternion();
return function update() {
var position = scope.object.position;
offset.copy( position ).sub( scope.target );
// rotate offset to "y-axis-is-up" space
offset.applyQuaternion( quat );
// angle from z-axis around y-axis
spherical.setFromVector3( offset );
if ( scope.autoRotate && state === STATE.NONE ) {
rotateLeft( getAutoRotationAngle() );
}
if ( scope.enableDamping ) {
spherical.theta += sphericalDelta.theta * scope.dampingFactor;
spherical.phi += sphericalDelta.phi * scope.dampingFactor;
} else {
spherical.theta += sphericalDelta.theta;
spherical.phi += sphericalDelta.phi;
}
// restrict theta to be between desired limits
spherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );
// restrict phi to be between desired limits
spherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );
spherical.makeSafe();
spherical.radius *= scale;
// restrict radius to be between desired limits
spherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );
// move target to panned location
if ( scope.enableDamping === true ) {
scope.target.addScaledVector( panOffset, scope.dampingFactor );
} else {
scope.target.add( panOffset );
}
offset.setFromSpherical( spherical );
// rotate offset back to "camera-up-vector-is-up" space
offset.applyQuaternion( quatInverse );
position.copy( scope.target ).add( offset );
scope.object.lookAt( scope.target );
if ( scope.enableDamping === true ) {
sphericalDelta.theta *= ( 1 - scope.dampingFactor );
sphericalDelta.phi *= ( 1 - scope.dampingFactor );
panOffset.multiplyScalar( 1 - scope.dampingFactor );
} else {
sphericalDelta.set( 0, 0, 0 );
panOffset.set( 0, 0, 0 );
}
scale = 1;
// update condition is:
// min(camera displacement, camera rotation in radians)^2 > EPS
// using small-angle approximation cos(x/2) = 1 - x^2 / 8
if ( zoomChanged ||
lastPosition.distanceToSquared( scope.object.position ) > EPS ||
8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {
scope.dispatchEvent( changeEvent );
lastPosition.copy( scope.object.position );
lastQuaternion.copy( scope.object.quaternion );
zoomChanged = false;
return true;
}
return false;
};
}();
this.dispose = function () {
scope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );
scope.domElement.removeEventListener( 'mousedown', onMouseDown, false );
scope.domElement.removeEventListener( 'wheel', onMouseWheel, false );
scope.domElement.removeEventListener( 'touchstart', onTouchStart, false );
scope.domElement.removeEventListener( 'touchend', onTouchEnd, false );
scope.domElement.removeEventListener( 'touchmove', onTouchMove, false );
document.removeEventListener( 'mousemove', onMouseMove, false );
document.removeEventListener( 'mouseup', onMouseUp, false );
window.removeEventListener( 'keydown', onKeyDown, false );
//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?
};
//
// internals
//
var scope = this;
var changeEvent = { type: 'change' };
var startEvent = { type: 'start' };
var endEvent = { type: 'end' };
var STATE = {
NONE: - 1,
ROTATE: 0,
DOLLY: 1,
PAN: 2,
TOUCH_ROTATE: 3,
TOUCH_PAN: 4,
TOUCH_DOLLY_PAN: 5,
TOUCH_DOLLY_ROTATE: 6
};
var state = STATE.NONE;
var EPS = 0.000001;
// current position in spherical coordinates
var spherical = new THREE.Spherical();
var sphericalDelta = new THREE.Spherical();
var scale = 1;
var panOffset = new THREE.Vector3();
var zoomChanged = false;
var rotateStart = new THREE.Vector2();
var rotateEnd = new THREE.Vector2();
var rotateDelta = new THREE.Vector2();
var panStart = new THREE.Vector2();
var panEnd = new THREE.Vector2();
var panDelta = new THREE.Vector2();
var dollyStart = new THREE.Vector2();
var dollyEnd = new THREE.Vector2();
var dollyDelta = new THREE.Vector2();
function getAutoRotationAngle() {
return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;
}
function getZoomScale() {
return Math.pow( 0.95, scope.zoomSpeed );
}
function rotateLeft( angle ) {
sphericalDelta.theta -= angle;
}
function rotateUp( angle ) {
sphericalDelta.phi -= angle;
}
var panLeft = function () {
var v = new THREE.Vector3();
return function panLeft( distance, objectMatrix ) {
v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix
v.multiplyScalar( - distance );
panOffset.add( v );
};
}();
var panUp = function () {
var v = new THREE.Vector3();
return function panUp( distance, objectMatrix ) {
if ( scope.screenSpacePanning === true ) {
v.setFromMatrixColumn( objectMatrix, 1 );
} else {
v.setFromMatrixColumn( objectMatrix, 0 );
v.crossVectors( scope.object.up, v );
}
v.multiplyScalar( distance );
panOffset.add( v );
};
}();
// deltaX and deltaY are in pixels; right and down are positive
var pan = function () {
var offset = new THREE.Vector3();
return function pan( deltaX, deltaY ) {
var element = scope.domElement === document ? scope.domElement.body : scope.domElement;
if ( scope.object.isPerspectiveCamera ) {
// perspective
var position = scope.object.position;
offset.copy( position ).sub( scope.target );
var targetDistance = offset.length();
// half of the fov is center to top of screen
targetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );
// we use only clientHeight here so aspect ratio does not distort speed
panLeft( 2 * deltaX * targetDistance / element.clientHeight, scope.object.matrix );
panUp( 2 * deltaY * targetDistance / element.clientHeight, scope.object.matrix );
} else if ( scope.object.isOrthographicCamera ) {
// orthogra.........完整代码请登录后点击上方下载按钮下载查看
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