これは、HTML5 と CSS3 に基づいた 3D アニメーション特殊効果です。これまでの 3D 特殊効果とは異なり、複数の画像を重ね合わせるのではなく、完全に HTML5 の機能を使用して実装されています。この 3D アニメーションのもう 1 つの特徴は、無限に回転できるため、HTML5 ロゴを複数の視点から観察できることです。
XML/HTML コードコンテンツをクリップボードにコピー
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<div class="リンク オーバーレイ">
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div>
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<キャンバス id="キャンバス" スタイル="background-color:#ddd">< /キャンバス>
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JavaScript コードコンテンツをクリップボードにコピーします
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window.addEventListener('load', onloadHandler, false);
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関数 onloadHandler()
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{
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var canvas = document.getElementById('canvas');
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canvas.width = window.innerWidth;
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canvas.height = window.innerHeight;
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var k3dmain = new K3D.Controller(canvas, true );
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var obj1 = new K3D.K3DObject();
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と (obj1)
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{
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drawmode = "solid";
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シェードモード = 「光源」;
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sortmode = 「未並べ替え」;
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addphi = -0.5;
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約y = -90;
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パーレベル = 1000;
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init(
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[{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}],
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[]、
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[{color:[227,76,38],頂点:[0,1,2,3,0]},{color:[235,235,235],頂点:[4,5,6,7] ,8,9,10,11,4]},{color:[235,235,235],vertices:[12,13,14,15,16,17,12]}]
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);
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}
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k3dmain.addK3DObject(obj1);
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var obj2 = new K3D.K3DObject();
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と (obj2)
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{
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drawmode = "solid";
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シェードモード = 「光源」;
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sortmode = 「未並べ替え」;
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addphi = -0.5;
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約y = -90;
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パーレベル = 1000;
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init(
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[{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}]、
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[]、
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[{color:[227,76,38],頂点:[0,1,2,3,0]},{color:[240,101,41],頂点:[4,5,6] ,7,4]},{カラー:[235,235,235],頂点:[8,9,10,11,8]},{カラー:[235,235,235],頂点:[12,13,14,15,16,17 ,18,19,12]}]
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);
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}
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k3dmain.addK3DObject(obj2);
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var obj3 = new K3D.K3DObject();
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と (obj3)
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{
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drawmode = "solid";
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シェードモード = 「光源」;
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sortmode = 「未並べ替え」;
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addphi = -0.5;
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約y = -90;
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パーレベル = 1000;
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init(
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[{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}]、
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[]、
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[{color:[227,76,38],頂点:[0,1,2,3,0]},{color:[235,235,235],頂点:[4,5,6,7] ,8,9,10,11,4]},{color:[235,235,235],vertices:[12,13,14,15,16,17,12]}]
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);
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}
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k3dmain.addK3DObject(obj3);
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var obj4 = new K3D.K3DObject();
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と (obj4)
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{
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drawmode = "solid";
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シェードモード = 「光源」;
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sortmode = 「未並べ替え」;
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addphi = -0.5;
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約y = -90;
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パーレベル = 1000;
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init(
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[{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}]、
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[]、
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[{color:[227,76,38],頂点:[0,1,2,3,0]},{color:[240,101,41],頂点:[4,5,6] ,7,4]},{カラー:[235,235,235],頂点:[8,9,10,11,8]},{カラー:[235,235,235],頂点:[12,13,14,15,16,17 ,18,19,12]}]
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);
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}
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k3dmain.addK3DObject(obj4);
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var objBase = new K3D.K3DObject();
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と (objBase)
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{
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drawmode = "solid";
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シェードモード = 「光源」;
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sortmode = 「未並べ替え」;
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addphi = -0.5;
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約y = -90;
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パーレベル = 1000;
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init(
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[{x:0,y:0,z:-80},{x:-80,y:20,z:0},{x:0,y:0,z:80} 、{x:80、y:20、z:0}]、
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[]、
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[{color:[227,76,38],頂点:[0,2,1,0]},{color:[227,76,38],頂点:[0,3,2] ,0]}]
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);
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}
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k3dmain.addK3DObject(objBase);
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var objHtml = new K3D.K3DObject();
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with (objHtml)
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{
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drawmode = "solid";
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シェードモード = 「光源」;
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色 = [64,64,64];
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doubleowned = true;
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addphi = -0.5;
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約 = 100;
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スケール = 0.75;
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パーレベル = 1000;
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init(
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[{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}]、
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[]、
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[{vertices:[0,1,2,3,4,5,6,7,8,9,10,11,0]},{vertices:[12,13,14,15] ,16,17,18,19,12]},{頂点:[20,21,22,23,24,25,26,27,28,29,30,31,20]},{頂点:[32 ,33,34,35,36,37,32]}]
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);
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}
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k3dmain.addK3DObject(objHtml);
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var ctx = canvas.getContext('2d');
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var rotationOffset = 0;
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var len = (canvas.height > canvas.width ? canvas.height : canvas.width) * 0.7;
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k3dmain.clearBackground = false;
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k3dmain.callback = 関数()
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{
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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ctx.save();
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ctx.translate(canvas.width/2, canvas.height/2);
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ctx.rotate(rotationOffset);
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var RAYCOUNT = 24;
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ctx.fillStyle = "#eee";
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ctx.beginPath();
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for (var i=0; i
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- ctx.rotate(TWOPI / RAYCOUNT);
- ctx.moveTo(0, 0);
- ctx.lineTo(-20, len);
- ctx.lineTo(20, len);
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- ctx.closePath();
- ctx.fill();
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- ctx.fillStyle = "#fff";
- ctx.beginPath();
- for (var i=0; i
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- ctx.rotate(TWOPI / RAYCOUNT);
- ctx.moveTo(0, 0);
- ctx.lineTo(-15, len);
- ctx.lineTo(15, len);
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- ctx.closePath();
- ctx.fill();
- ctx.restore();
- rotationOffset = 0.005;
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- for (var i=0, objs=k3dmain.objects; i
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- objs[i].ophi = targetRotationX;
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- if (targetRotationX > -0.5) targetRotationX -= 0.05;
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};
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k3dmain.paused = true;
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setInterval(function(){k3dmain.tick()}, 1000/60);
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}
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var targetRotationX = 0;
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vartargetRotationOnMouseDownX = 0;
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var mouseX = 0;
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var mouseXOnMouseDown = 0;
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var targetRotationY = 0;
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vartargetRotationOnMouseDownY = 0;
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var mouseY = 0;
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var mouseYOnMouseDown = 0;
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var windowHalfX = window.innerWidth / 2;
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var windowHalfY = window.innerHeight / 2;
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document.addEventListener('mousedown',onDocumentMouseDown, false);
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document.addEventListener('touchstart',onDocumentTouchStart,false);
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document.addEventListener('touchmove', onDocumentTouchMove, false);
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関数 onDocumentMouseDown( event ) {
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event.preventDefault();
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document.addEventListener('mousemove', onDocumentMouseMove, false);
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document.addEventListener('mouseup', onDocumentMouseUp, false);
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document.addEventListener('mouseout', onDocumentMouseOut, false);
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mouseXOnMouseDown = event.clientX - windowHalfX;
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targetRotationOnMouseDownX = targetRotationX;
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mouseYOnMouseDown = event.clientY - windowHalfY;
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targetRotationOnMouseDownY = targetRotationY;
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}
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関数 onDocumentMouseMove( event )
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{
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mouseX = event.clientX - windowHalfX;
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targetRotationX = targetRotationOnMouseDownX (mouseX - mouseXOnMouseDown) * 0.02;
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mouseY = event.clientY - windowHalfY;
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targetRotationY = targetRotationOnMouseDownY (mouseY - mouseYOnMouseDown) * 0.02;
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}
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関数 onDocumentMouseUp( event )
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{
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document.removeEventListener('mousemove', onDocumentMouseMove, false);
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document.removeEventListener('mouseup', onDocumentMouseUp, false);
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document.removeEventListener('mouseout', onDocumentMouseOut, false);
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}
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関数 onDocumentMouseOut( event )
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{
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document.removeEventListener('mousemove', onDocumentMouseMove, false);
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document.removeEventListener('mouseup', onDocumentMouseUp, false);
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document.removeEventListener('mouseout', onDocumentMouseOut, false);
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}
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関数 onDocumentTouchStart( event )
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{
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if (event.touches.length == 1)
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{
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event.preventDefault();
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mouseXOnMouseDown = event.touches[0].pageX - windowHalfX;
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targetRotationOnMouseDownX = targetRotationX;
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mouseYOnMouseDown = event.touches[0].pageY - windowHalfY;
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targetRotationOnMouseDownY = targetRotationY;
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}
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}
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関数 onDocumentTouchMove( event )
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{
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if (event.touches.length == 1)
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{
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event.preventDefault();
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mouseX = event.touches[0].pageX - windowHalfX;
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targetRotationX = targetRotationOnMouseDownX (mouseX - mouseXOnMouseDown) * 0.05;
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mouseY = event.touches[0].pageY - windowHalfY;
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targetRotationY = targetRotationOnMouseDownY (mouseX - mouseYOnMouseDown) * 0.05;
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}
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}