threex.videotexture/src/threex.webcamtexture.js

three.js helper to display video texture

module.exports = function(THREE, THREEx) {
	THREEx.WebcamTexture	= function(){
		console.assert(THREEx.WebcamTexture.available === true)
		// create the video element
		var video	= document.createElement('video');
		video.width	= 320;
		video.height	= 240;
		video.autoplay	= true;
		video.loop	= true;
		// expose video as this.video
		this.video	= video

		if( navigator.webkitGetUserMedia ){
			navigator.webkitGetUserMedia({video:true}, function(stream){
				video.src	= URL.createObjectURL(stream);
			}, function(error){
				alert('you got no WebRTC webcam');
			});
		}else if(navigator.mozGetUserMedia){
			navigator.mozGetUserMedia({video:true}, function(stream){
				video.src	= URL.createObjectURL(stream);
			}, function(error){
				alert('you got no WebRTC webcam');
			});
		}else	console.assert(false)


		// create the texture
		var texture	= new THREE.Texture( video );
		// expose texture as this.texture
		this.texture	= texture

		/**
		 * update the object
		 */
		this.update	= function(delta, now){
			if( video.readyState !== video.HAVE_ENOUGH_DATA )	return;
			texture.needsUpdate	= true;
		}

		/**
		 * destroy the object
		 */
		this.destroy	= function(){
			video.pause()
		}
	}


	THREEx.WebcamTexture.available	= navigator.webkitGetUserMedia || navigator.mozGetUserMedia ? true : false;
}