多视角3D可旋转的HTML5 Logo动画
导读:收集整理的这篇文章主要介绍了多视角3D可旋转的HTML5 Logo动画,觉得挺不错的,现在分享给大家,也给大家做个参考。 这是一款基于HTML5和CSS3的3D动画特效,与之前的3D特效不同的是,这款是完全用HTML5特性实现的,...
收集整理的这篇文章主要介绍了多视角3D可旋转的HTML5 Logo动画,觉得挺不错的,现在分享给大家,也给大家做个参考。 这是一款基于HTML5和CSS3的3D动画特效,与之前的3D特效不同的是,这款是完全用HTML5特性实现的,而并非用多张图片叠加起来。这款3D动画还有一个特点是可以无限的旋转,从而可以从多个视角来观察HTML5 LOGo。
在线演示 源码下载
HTML代码
XML/HTML Code复制内容到剪贴板- div class="link-overlay">
- /div>
- canvas id="canvas" style="background-color:#ddd"> /canvas>
JavaScript代码
JavaScript Code复制内容到剪贴板- // bind to window onload handler
- window.addEventListener('load', onloadHandler, false);
- /**
- * Window onload handler
- */
- function onloadHandler()
- {
- VAR canvas = document.getElementById('canvas');
- canvas.width = window.innerWidth;
- canvas.height = window.innerHeight;
- var k3dmain = new K3D.Controller(canvas, true);
- // generate 3D objects
- var obj1 = new K3D.K3DObject();
- wITh (obj1)
- {
- drawmode = "solid";
- shademode = "lightsource";
- sortmode = "unsorted";
- addphi = -0.5;
- abouty = -90;
- PErslevel = 1000;
- init(
- [{ x:-80,y:180,z:0} ,{ x:0,y:180,z:-80} ,{ x:0,y:0,z:-80} ,{ x:-80,y:20,z:0} ,{ x:-50,y:150,z:-30} ,{ x:0,y:150,z:-80} ,{ x:0,y:130,z:-80} ,{ x:-30,y:130,z:-50} ,{ x:-28,y:110,z:-52} ,{ x:0,y:110,z:-80} ,{ x:0,y:90,z:-80} ,{ x:-45,y:90,z:-35} ,{ x:-44,y:80,z:-36} ,{ x:-25,y:80,z:-55} ,{ x:-22,y:66,z:-58} ,{ x:0,y:60,z:-80} ,{ x:0,y:40,z:-80} ,{ x:-40,y:50,z:-40} ],
- [],
- [{ color:[227,76,38],vertices:[0,1,2,3,0]} ,{ color:[235,235,235],vertices:[4,5,6,7,8,9,10,11,4]} ,{ color:[235,235,235],vertices:[12,13,14,15,16,17,12]} ]
- );
- }
- k3dmain.addK3DObject(obj1);
- var obj2 = new K3D.K3DObject();
- with (obj2)
- {
- drawmode = "solid";
- shademode = "lightsource";
- sortmode = "unsorted";
- addphi = -0.5;
- abouty = -90;
- perslevel = 1000;
- init(
- [{ x:0,y:180,z:-80} ,{ x:80,y:180,z:0} ,{ x:80,y:20,z:0} ,{ x:0,y:0,z:-80} ,{ x:0,y:165,z:-80} ,{ x:68,y:165,z:-12} ,{ x:55,y:35,z:-25} ,{ x:0,y:20,z:-80} ,{ x:0,y:150,z:-80} ,{ x:50,y:150,z:-30} ,{ x:47,y:130,z:-33} ,{ x:0,y:130,z:-80} ,{ x:0,y:110,z:-80} ,{ x:45,y:110,z:-35} ,{ x:40,y:50,z:-40} ,{ x:0,y:40,z:-80} ,{ x:0,y:60,z:-80} ,{ x:20,y:66,z:-60} ,{ x:23,y:90,z:-57} ,{ x:0,y:90,z:-80} ],
- [],
- [{ color:[227,76,38],vertices:[0,1,2,3,0]} ,{ color:[240,101,41],vertices:[4,5,6,7,4]} ,{ color:[235,235,235],vertices:[8,9,10,11,8]} ,{ color:[235,235,235],vertices:[12,13,14,15,16,17,18,19,12]} ]
- );
- }
- k3dmain.addK3DObject(obj2);
- var obj3 = new K3D.K3DObject();
- with (obj3)
- {
- drawmode = "solid";
- shademode = "lightsource";
- sortmode = "unsorted";
- addphi = -0.5;
- abouty = -90;
- perslevel = 1000;
- init(
- [{ x:80,y:180,z:0} ,{ x:0,y:180,z:80} ,{ x:0,y:0,z:80} ,{ x:80,y:20,z:0} ,{ x:50,y:150,z:30} ,{ x:0,y:150,z:80} ,{ x:0,y:130,z:80} ,{ x:30,y:130,z:50} ,{ x:28,y:110,z:52} ,{ x:0,y:110,z:80} ,{ x:0,y:90,z:80} ,{ x:45,y:90,z:35} ,{ x:44,y:80,z:36} ,{ x:25,y:80,z:55} ,{ x:22,y:66,z:58} ,{ x:0,y:60,z:80} ,{ x:0,y:40,z:80} ,{ x:40,y:50,z:40} ],
- [],
- [{ color:[227,76,38],vertices:[0,1,2,3,0]} ,{ color:[235,235,235],vertices:[4,5,6,7,8,9,10,11,4]} ,{ color:[235,235,235],vertices:[12,13,14,15,16,17,12]} ]
- );
- }
- k3dmain.addK3DObject(obj3);
- var obj4 = new K3D.K3DObject();
- with (obj4)
- {
- drawmode = "solid";
- shademode = "lightsource";
- sortmode = "unsorted";
- addphi = -0.5;
- abouty = -90;
- perslevel = 1000;
- init(
- [{ x:0,y:180,z:80} ,{ x:-80,y:180,z:0} ,{ x:-80,y:20,z:0} ,{ x:0,y:0,z:80} ,{ x:0,y:165,z:80} ,{ x:-68,y:165,z:12} ,{ x:-55,y:35,z:25} ,{ x:0,y:20,z:80} ,{ x:0,y:150,z:80} ,{ x:-50,y:150,z:30} ,{ x:-47,y:130,z:33} ,{ x:0,y:130,z:80} ,{ x:0,y:110,z:80} ,{ x:-45,y:110,z:35} ,{ x:-40,y:50,z:40} ,{ x:0,y:40,z:80} ,{ x:0,y:60,z:80} ,{ x:-20,y:66,z:60} ,{ x:-23,y:90,z:57} ,{ x:0,y:90,z:80} ],
- [],
- [{ color:[227,76,38],vertices:[0,1,2,3,0]} ,{ color:[240,101,41],vertices:[4,5,6,7,4]} ,{ color:[235,235,235],vertices:[8,9,10,11,8]} ,{ color:[235,235,235],vertices:[12,13,14,15,16,17,18,19,12]} ]
- );
- }
- k3dmain.addK3DObject(obj4);
- var objBase = new K3D.K3DObject();
- with (objBase)
- {
- drawmode = "solid";
- shademode = "lightsource";
- sortmode = "unsorted";
- addphi = -0.5;
- abouty = -90;
- perslevel = 1000;
- init(
- [{ x:0,y:0,z:-80} ,{ x:-80,y:20,z:0} ,{ x:0,y:0,z:80} ,{ x:80,y:20,z:0} ],
- [],
- [{ color:[227,76,38],vertices:[0,2,1,0]} ,{ color:[227,76,38],vertices:[0,3,2,0]} ]
- );
- }
- k3dmain.addK3DObject(objBase);
- var objHtml = new K3D.K3DObject();
- with (objHtml)
- {
- drawmode = "solid";
- shademode = "lightsource";
- //sortmode = "unsorted";
- color = [64,64,64];
- doublesided = true;
- addphi = -0.5;
- abouty = 100;
- scale = 0.75;
- perslevel = 1000;
- init(
- [{ x:-80,y:40,z:0} ,{ x:-70,y:40,z:0} ,{ x:-70,y:30,z:0} ,{ x:-60,y:30,z:0} ,{ x:-60,y:40,z:0} ,{ x:-50,y:40,z:0} ,{ x:-50,y:10,z:0} ,{ x:-60,y:10,z:0} ,{ x:-60,y:20,z:0} ,{ x:-70,y:20,z:0} ,{ x:-70,y:10,z:0} ,{ x:-80,y:10,z:0} ,{ x:-40,y:40,z:0} ,{ x:-10,y:40,z:0} ,{ x:-10,y:30,z:0} ,{ x:-20,y:30,z:0} ,{ x:-20,y:10,z:0} ,{ x:-30,y:10,z:0} ,{ x:-30,y:30,z:0} ,{ x:-40,y:30,z:0} ,{ x:0,y:40,z:0} ,{ x:10,y:40,z:0} ,{ x:20,y:30,z:0} ,{ x:30,y:40,z:0} ,{ x:40,y:40,z:0} ,{ x:40,y:10,z:0} ,{ x:30,y:10,z:0} ,{ x:30,y:30,z:0} ,{ x:20,y:20,z:0} ,{ x:10,y:30,z:0} ,{ x:10,y:10,z:0} ,{ x:0,y:10,z:0} ,{ x:50,y:40,z:0} ,{ x:60,y:40,z:0} ,{ x:60,y:20,z:0} ,{ x:80,y:20,z:0} ,{ x:80,y:10,z:0} ,{ x:50,y:10,z:0} ],
- [],
- [{ vertices:[0,1,2,3,4,5,6,7,8,9,10,11,0]} ,{ vertices:[12,13,14,15,16,17,18,19,12]} ,{ vertices:[20,21,22,23,24,25,26,27,28,29,30,31,20]} ,{ vertices:[32,33,34,35,36,37,32]} ]
- );
- }
- k3dmain.addK3DObject(objHtml);
- // add render loop callback
- var ctx = canvas.getContext('2d');
- var rotationOffset = 0;
- var len = (canvas.height > canvas.width ? canvas.height : canvas.width) * 0.7;
- k3dmain.clearBackground = false;
- k3dmain.callback = function()
- {
- // manually clear bg - as we want to render some extra goodies
- ctx.clearRect(0, 0, canvas.width, canvas.height);
- // draw bg effect before K3D does its 3D rendering
- ctx.save();
- ctx.translate(canvas.width/2, canvas.height/2);
- ctx.rotate(rotationOffset);
- // First fill pass - outer rays
- var RAYCOUNT = 24;
- ctx.fillStyle = "#eee";
- ctx.beginPath();
- for (var i=0; iRAYCOUNT; i++)
- {
- // rotate context
- ctx.rotate(TWOPI / RAYCOUNT);
- ctx.moveTo(0, 0);
- ctx.lineto(-20, len);
- ctx.lineTo(20, len);
- }
- ctx.closePath();
- ctx.fill();
- // second fill pass - inner rays
- ctx.fillStyle = "#fff";
- ctx.beginPath();
- for (var i=0; iRAYCOUNT; i++)
- {
- // rotate context
- ctx.rotate(TWOPI / RAYCOUNT);
- ctx.moveTo(0, 0);
- ctx.lineTo(-15, len);
- ctx.lineTo(15, len);
- }
- ctx.closePath();
- ctx.fill();
- ctx.reStore();
- rotationOffset += 0.005;
- // apply user interaction to rotation
- for (var i=0, objs=k3dmain.objects; iobjs.length; i++)
- {
- objs[i].ophi += targetRotationX;
- }
- if (targetRotationX > -0.5) targetRotationX -= 0.05;
- else if (targetRotationX -0.55) targetRotationX += 0.05;
- if (targetRotationX > -0.55 & & targetRotationX -0.5) targetRotationX = -0.5;
- } ;
- // start demo loop
- k3dmain.paused = true;
- setInterval(function(){ k3dmain.tick()} , 1000/60);
- }
- // nifty Drag/touch event capture code borrowed From Mr Doob http://mrdoob.COM/
- var targetRotationX = 0;
- var targetRotationOnMouseDownX = 0;
- var mouseX = 0;
- var mouseXOnMouseDown = 0;
- var targetRotationY = 0;
- var targetRotationOnMouseDownY = 0;
- var mouseY = 0;
- var mouseYOnMouseDown = 0;
- var windowHalfX = window.innerWidth / 2;
- var windowHalfY = window.innerHeight / 2;
- document.addEventListener('mousedown', onDocumentMouseDown, false);
- document.addEventListener('touchstart', onDocumentTouchStart, false);
- document.addEventListener('touchmove', onDocumentTouchMove, false);
- function onDocumentMouseDown( event ) {
- event.preventDefault();
- document.addEventListener('mouSEMove', onDocumentMouseMove, false);
- document.addEventListener('mouseup', onDocumentMouseUp, false);
- document.addEventListener('mouseout', onDocumentMouseOut, false);
- mouseXOnMouseDown = event.clientX - windowHalfX;
- targetRotationOnMouseDownX = targetRotationX;
- mouseYOnMouseDown = event.clientY - windowHalfY;
- targetRotationOnMouseDownY = targetRotationY;
- }
- function onDocumentMouseMove( event )
- {
- mouseX = event.clientX - windowHalfX;
- targetRotationX = targetRotationOnMouseDownX + (mouseX - mouseXOnMouseDown) * 0.02;
- mouseY = event.clientY - windowHalfY;
- targetRotationY = targetRotationOnMouseDownY + (mouseY - mouseYOnMouseDown) * 0.02;
- }
- function onDocumentMouseUp( event )
- {
- document.removeEventListener('mousemove', onDocumentMouseMove, false);
- document.removeEventListener('mouseup', onDocumentMouseUp, false);
- document.removeEventListener('mouseout', onDocumentMouseOut, false);
- }
- function onDocumentMouseOut( event )
- {
- document.removeEventListener('mousemove', onDocumentMouseMove, false);
- document.removeEventListener('mouseup', onDocumentMouseUp, false);
- document.removeEventListener('mouseout', onDocumentMouseOut, false);
- }
- function onDocumentTouchStart( event )
- {
- if (event.touches.length == 1)
- {
- event.PReventDefault();
- mouseXOnMouseDown = event.touches[0].pageX - windowHalfX;
- targetRotationOnMouseDownX = targetRotationX;
- mouseYOnMouseDown = event.touches[0].pageY - windowHalfY;
- targetRotationOnMouseDownY = targetRotationY;
- }
- }
- function onDocumentTouchMove( event )
- {
- if (event.touches.length == 1)
- {
- event.preventDefault();
- mouseX = event.touches[0].pageX - windowHalfX;
- targetRotationX = targetRotationOnMouseDownX + (mouseX - mouseXOnMouseDown) * 0.05;
- mouseY = event.touches[0].pageY - windowHalfY;
- targetRotationY = targetRotationOnMouseDownY + (mouseX - mouseYOnMouseDown) * 0.05;
- }
- }
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