samien
/
three.js
зеркало из https://github.com/mrdoob/three.js.git


			
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							<!DOCTYPE HTML>
<html lang="en">
	<head>
		<title>three.js canvas/webgl - geometry - text</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
		<style type="text/css">
			body {
				font-family: Monospace;
				background-color: #f0f0f0;
				margin: 0px;
				overflow: hidden;
			}
		</style>
	</head>
	<body>
		<canvas id="debug" style="position:absolute; left:100px"></canvas>

		<script type="text/javascript" src="../build/Three.js"></script>

		<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
		<script type="text/javascript" src="js/Stats.js"></script>
		      
		<!-- load the font file from canvas-text -->
		<script type="text/javascript" src="../src/extras/geometries/Path.js"></script>
	 

		<script type="text/javascript">

			var container, stats;

			var camera, scene, renderer;

			var text, plane;

			var targetRotation = 0;
			var targetRotationOnMouseDown = 0;

			var mouseX = 0;
			var mouseXOnMouseDown = 0;

			var windowHalfX = window.innerWidth / 2;
			var windowHalfY = window.innerHeight / 2;

			init();
			animate();

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				var info = document.createElement( 'div' );
				info.style.position = 'absolute';
				info.style.top = '10px';
				info.style.width = '100%';
				info.style.textAlign = 'center';
				info.innerHTML = 'Simple Dynamic 3D Shapes Example by <a href="http://www.lab4games.net/zz85/blog">zz85</a><br/>Drag to spin the text';
				container.appendChild( info );

				camera = new THREE.Camera( 50, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.position.y = 150;
				camera.position.z = 500;
				camera.target.position.y = 150;

				scene = new THREE.Scene();

				var californiaPts=[];
				californiaPts.push( new THREE.Vector2 (610, 320) );
				californiaPts.push( new THREE.Vector2 (450, 300) );
				californiaPts.push( new THREE.Vector2 (392, 392) );
				californiaPts.push( new THREE.Vector2 (266, 438) );
				californiaPts.push( new THREE.Vector2 (190, 570) );
				californiaPts.push( new THREE.Vector2 (190, 600) );
				californiaPts.push( new THREE.Vector2 (160, 620) );
				californiaPts.push( new THREE.Vector2 (160, 650) );
				californiaPts.push( new THREE.Vector2 (180, 640) );
				californiaPts.push( new THREE.Vector2 (165, 680) );
				californiaPts.push( new THREE.Vector2 (150, 670) );
				californiaPts.push( new THREE.Vector2 (90, 737) );
				californiaPts.push( new THREE.Vector2 (80, 795) );
				californiaPts.push( new THREE.Vector2 (50, 835) );
				californiaPts.push( new THREE.Vector2 (64, 870) );
				californiaPts.push( new THREE.Vector2 (60, 945) );
				californiaPts.push( new THREE.Vector2 (300, 945) );
				californiaPts.push( new THREE.Vector2 (300, 743) );
				californiaPts.push( new THREE.Vector2 (600, 473) );
				californiaPts.push( new THREE.Vector2 (626, 425) );
				californiaPts.push( new THREE.Vector2 (600, 370) );
				californiaPts.push( new THREE.Vector2 (610, 320) );


				var californiaShape = new THREE.Shape(californiaPts);
				var california3d = new THREE.ExtrudeGeometry( californiaShape, {
					amount: 20
				});
				
				var extrudeSettings = {
					amount: 30
				};
				
				var triangleShape = new THREE.Shape();
				triangleShape.moveTo(80, 20);
				triangleShape.lineTo(40, 80);
				triangleShape.lineTo(120, 80);
				triangleShape.lineTo(80,20); // close path
				
				var triangle3d = triangleShape.extrude(extrudeSettings);
				
				var x = 0, y = 0;
				
				var heartShape = new THREE.Shape(); // From http://blog.burlock.org/html5/130-paths
				heartShape.moveTo(x + 25, y + 25);
				heartShape.bezierCurveTo(x + 25, y + 25, x + 20, y, x, y);
				heartShape.bezierCurveTo(x - 30, y, x - 30, y + 35,x - 30,y + 35);
				heartShape.bezierCurveTo(x - 30, y + 55, x - 10, y + 77, x + 25, y + 95);
				heartShape.bezierCurveTo(x + 60, y + 77, x + 80, y + 55, x + 80, y + 35);
				heartShape.bezierCurveTo(x + 80, y + 35, x + 80, y, x + 50, y);
				heartShape.bezierCurveTo(x + 35, y, x + 25, y + 25, x + 25, y + 25);
				var heart3d = heartShape.extrude(extrudeSettings);
				
				//heartShape.debug(document.getElementById("debug"));
				var sqLength = 80;
				var squareShape = new THREE.Shape();
				squareShape.moveTo(0,0);
				squareShape.lineTo(0, sqLength);
				squareShape.lineTo(sqLength, sqLength);
				squareShape.lineTo(sqLength, 0);
				squareShape.lineTo(0, 0);
				var square3d = squareShape.extrude(extrudeSettings);
				
				var rectLength = 120, rectWidth = 40;
				var rectShape = new THREE.Shape();
				rectShape.moveTo(0,0);
				rectShape.lineTo(0, rectWidth);
				rectShape.lineTo(rectLength, rectWidth);
				rectShape.lineTo(rectLength, 0);
				rectShape.lineTo(0, 0);
				var rect3d = rectShape.extrude(extrudeSettings);
				
				
				var roundedRectShape = new THREE.Shape();
				roundedRect(roundedRectShape, 0, 0, 50,50, 20);
				var roundedRect3d = roundedRectShape.extrude(extrudeSettings);
				
				
				function roundedRect(ctx,x,y,width,height,radius){  
					ctx.moveTo(x,y+radius);  
					ctx.lineTo(x,y+height-radius);  
					ctx.quadraticCurveTo(x,y+height,x+radius,y+height);  
					ctx.lineTo(x+width-radius,y+height);  
					ctx.quadraticCurveTo(x+width,y+height,x+width,y+height-radius);  
					ctx.lineTo(x+width,y+radius);  
					ctx.quadraticCurveTo(x+width,y,x+width-radius,y);  
					ctx.lineTo(x+radius,y);  
					ctx.quadraticCurveTo(x,y,x,y+radius);  
				}
				
				var circleRadius = 20;
				var circleShape = new THREE.Shape();
				circleShape.moveTo(0,circleRadius);
				circleShape.quadraticCurveTo(circleRadius, circleRadius,circleRadius,0); 
				circleShape.quadraticCurveTo(circleRadius, -circleRadius,0,-circleRadius);
				circleShape.quadraticCurveTo(-circleRadius, -circleRadius,-circleRadius,0);
				circleShape.quadraticCurveTo(-circleRadius, circleRadius,0,circleRadius);
				var circle3d = circleShape.extrude(extrudeSettings);
				
				
				x = y = 0;
				var fishShape = new THREE.Shape(); 
				fishShape.moveTo(x,y);
				fishShape.quadraticCurveTo(x + 50, y - 80, x + 90, y - 10);
				fishShape.quadraticCurveTo(x + 100, y - 10, x + 115, y - 40);
				fishShape.quadraticCurveTo(x + 115, y, x + 115, y + 40);
				fishShape.quadraticCurveTo(x + 100, y + 10, x + 90, y + 10);
				fishShape.quadraticCurveTo(x + 50, y + 80, x, y);
				var fish3d = fishShape.extrude(extrudeSettings);
				
				// TOFIX: swap order of points around.
				
			
                var textMaterial = new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff, wireframe:false } );
                text = new THREE.Mesh( square3d, textMaterial );

                text.doubleSided = false;

                text.position.y = 100;
               // text.position.y = 100;
                text.position.z = 200;

                text.rotation.x = 0;
                text.rotation.y = Math.PI*2;
				text.overdraw = true;

                scene.addObject( text );


				var triangleMesh = new THREE.Mesh( triangle3d, textMaterial );
				triangleMesh.position.x = 180;
				triangleMesh.position.y = 50;
				
				
				scene.addObject( triangleMesh );
				

				// Plane

				plane = new THREE.Mesh( new THREE.PlaneGeometry( 800, 800 ), new THREE.MeshBasicMaterial( { color: 0xe0e0e0, wireframe:true }) );
				plane.rotation.x = - 90 * ( Math.PI / 180 );
                plane.position.x = 0;
				plane.overdraw = true;

				//scene.addObject( plane );

				renderer = new THREE.CanvasRenderer();
                renderer.setSize( window.innerWidth, window.innerHeight );

				container.appendChild( renderer.domElement );

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '0px';
				container.appendChild( stats.domElement );

				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;
				targetRotationOnMouseDown = targetRotation;

			}

			function onDocumentMouseMove( event ) {

				mouseX = event.clientX - windowHalfX;

				targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 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;
					targetRotationOnMouseDown = targetRotation;

				}

			}

			function onDocumentTouchMove( event ) {

				if ( event.touches.length == 1 ) {

					event.preventDefault();

					mouseX = event.touches[ 0 ].pageX - windowHalfX;
					targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05;

				}

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				plane.rotation.z = text.rotation.y += ( targetRotation - text.rotation.y ) * 0.05;
				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>