Il s'agit d'un effet spécial d'animation 3D basé sur HTML5 et CSS3. Différent des effets spéciaux 3D précédents, celui-ci est entièrement implémenté en utilisant les fonctionnalités HTML5 au lieu de superposer plusieurs images. Une autre caractéristique de cette animation 3D est qu'elle peut pivoter à l'infini, de sorte que le logo HTML5 puisse être observé sous plusieurs perspectives.
Démo en ligne Téléchargement du code source
Code HTML
Code XML/HTMLCopier le contenu dans le presse-papiers
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<div class="superposition de liens">
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div>
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<toile id="toile" style="couleur de fond :#ddd">< /toile>
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Code JavaScript
Code JavaScriptCopier le contenu dans le presse-papiers
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window.addEventListener('load', onloadHandler, false);
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fonction 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 = nouveau K3D.Controller(canvas, true );
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var obj1 = nouveau K3D.K3DObject();
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avec (obj1)
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{
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drawmode = "solide";
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shademode = "source lumineuse";
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sortmode = "non trié";
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addphi = -0,5 ;
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environ = -90 ;
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niveau pers = 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],vertices:[0,1,2,3,0]},{color:[235,235,235],vertices:[4,5,6,7 ,8,9,10,11,4]},{couleur:[235,235,235],sommets:[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 = nouveau K3D.K3DObject();
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avec (obj2)
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{
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drawmode = "solide";
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shademode = "source lumineuse";
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sortmode = "non trié";
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addphi = -0,5 ;
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environ = -90 ;
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niveau pers = 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],vertices:[0,1,2,3,0]},{color:[240,101,41],vertices:[4,5,6 ,7,4]},{couleur:[235,235,235],sommets:[8,9,10,11,8]},{couleur:[235,235,235],sommets:[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 = nouveau K3D.K3DObject();
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avec (obj3)
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{
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drawmode = "solide";
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shademode = "source lumineuse";
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sortmode = "non trié";
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addphi = -0,5 ;
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environ = -90 ;
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niveau pers = 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],vertices:[0,1,2,3,0]},{color:[235,235,235],vertices:[4,5,6,7 ,8,9,10,11,4]},{couleur:[235,235,235],sommets:[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 = nouveau K3D.K3DObject();
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avec (obj4)
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{
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drawmode = "solide";
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shademode = "source lumineuse";
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sortmode = "non trié";
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addphi = -0,5 ;
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environ = -90 ;
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niveau pers = 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],vertices:[0,1,2,3,0]},{color:[240,101,41],vertices:[4,5,6 ,7,4]},{couleur:[235,235,235],sommets:[8,9,10,11,8]},{couleur:[235,235,235],sommets:[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 = nouveau K3D.K3DObject();
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avec (objBase)
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{
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drawmode = "solide";
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shademode = "source lumineuse";
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sortmode = "non trié";
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addphi = -0,5 ;
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environ = -90 ;
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niveau pers = 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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[{couleur:[227,76,38],vertices:[0,2,1,0]},{couleur:[227,76,38],vertices:[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 = nouveau K3D.K3DObject();
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avec (objHtml)
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{
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drawmode = "solide";
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shademode = "source lumineuse";
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couleur = [64,64,64] ;
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double face = vrai ;
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addphi = -0,5 ;
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environ = 100 ;
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échelle = 0,75 ;
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niveau pers = 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]},{sommets :[20,21,22,23,24,25,26,27,28,29,30,31,20]},{sommets :[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 = fonction()
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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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pour (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();
- pour (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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- pour (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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else if (targetRotationX < -0.55) 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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var targetRotationOnMouseDownX = 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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var targetRotationOnMouseDownY = 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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fonction 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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fonction 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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}
以上が本書のすべての内容であり、広く学術的に役立つことが期待されます。