add three.js for task 8

examples/task8/three.js/jsm/WebGL.js

@@ -0,0 +1,91 @@
+var WEBGL = {
+
+	isWebGLAvailable: function () {
+
+		try {
+
+			var canvas = document.createElement( 'canvas' );
+			return !! ( window.WebGLRenderingContext && ( canvas.getContext( 'webgl' ) || canvas.getContext( 'experimental-webgl' ) ) );
+
+		} catch ( e ) {
+
+			return false;
+
+		}
+
+	},
+
+	isWebGL2Available: function () {
+
+		try {
+
+			var canvas = document.createElement( 'canvas' );
+			return !! ( window.WebGL2RenderingContext && canvas.getContext( 'webgl2' ) );
+
+		} catch ( e ) {
+
+			return false;
+
+		}
+
+	},
+
+	getWebGLErrorMessage: function () {
+
+		return this.getErrorMessage( 1 );
+
+	},
+
+	getWebGL2ErrorMessage: function () {
+
+		return this.getErrorMessage( 2 );
+
+	},
+
+	getErrorMessage: function ( version ) {
+
+		var names = {
+			1: 'WebGL',
+			2: 'WebGL 2'
+		};
+
+		var contexts = {
+			1: window.WebGLRenderingContext,
+			2: window.WebGL2RenderingContext
+		};
+
+		var message = 'Your $0 does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">$1</a>';
+
+		var element = document.createElement( 'div' );
+		element.id = 'webglmessage';
+		element.style.fontFamily = 'monospace';
+		element.style.fontSize = '13px';
+		element.style.fontWeight = 'normal';
+		element.style.textAlign = 'center';
+		element.style.background = '#fff';
+		element.style.color = '#000';
+		element.style.padding = '1.5em';
+		element.style.width = '400px';
+		element.style.margin = '5em auto 0';
+
+		if ( contexts[ version ] ) {
+
+			message = message.replace( '$0', 'graphics card' );
+
+		} else {
+
+			message = message.replace( '$0', 'browser' );
+
+		}
+
+		message = message.replace( '$1', names[ version ] );
+
+		element.innerHTML = message;
+
+		return element;
+
+	}
+
+};
+
+export { WEBGL };

examples/task8/three.js/jsm/animation/AnimationClipCreator.js

@@ -0,0 +1,117 @@
+import {
+	AnimationClip,
+	BooleanKeyframeTrack,
+	ColorKeyframeTrack,
+	NumberKeyframeTrack,
+	Vector3,
+	VectorKeyframeTrack
+} from '../../../build/three.module.js';
+
+var AnimationClipCreator = function () {};
+
+AnimationClipCreator.CreateRotationAnimation = function ( period, axis ) {
+
+	var times = [ 0, period ], values = [ 0, 360 ];
+
+	axis = axis || 'x';
+	var trackName = '.rotation[' + axis + ']';
+
+	var track = new NumberKeyframeTrack( trackName, times, values );
+
+	return new AnimationClip( null, period, [ track ] );
+
+};
+
+AnimationClipCreator.CreateScaleAxisAnimation = function ( period, axis ) {
+
+	var times = [ 0, period ], values = [ 0, 1 ];
+
+	axis = axis || 'x';
+	var trackName = '.scale[' + axis + ']';
+
+	var track = new NumberKeyframeTrack( trackName, times, values );
+
+	return new AnimationClip( null, period, [ track ] );
+
+};
+
+AnimationClipCreator.CreateShakeAnimation = function ( duration, shakeScale ) {
+
+	var times = [], values = [], tmp = new Vector3();
+
+	for ( var i = 0; i < duration * 10; i ++ ) {
+
+		times.push( i / 10 );
+
+		tmp.set( Math.random() * 2.0 - 1.0, Math.random() * 2.0 - 1.0, Math.random() * 2.0 - 1.0 ).
+			multiply( shakeScale ).
+			toArray( values, values.length );
+
+	}
+
+	var trackName = '.position';
+
+	var track = new VectorKeyframeTrack( trackName, times, values );
+
+	return new AnimationClip( null, duration, [ track ] );
+
+};
+
+
+AnimationClipCreator.CreatePulsationAnimation = function ( duration, pulseScale ) {
+
+	var times = [], values = [], tmp = new Vector3();
+
+	for ( var i = 0; i < duration * 10; i ++ ) {
+
+		times.push( i / 10 );
+
+		var scaleFactor = Math.random() * pulseScale;
+		tmp.set( scaleFactor, scaleFactor, scaleFactor ).
+			toArray( values, values.length );
+
+	}
+
+	var trackName = '.scale';
+
+	var track = new VectorKeyframeTrack( trackName, times, values );
+
+	return new AnimationClip( null, duration, [ track ] );
+
+};
+
+
+AnimationClipCreator.CreateVisibilityAnimation = function ( duration ) {
+
+	var times = [ 0, duration / 2, duration ], values = [ true, false, true ];
+
+	var trackName = '.visible';
+
+	var track = new BooleanKeyframeTrack( trackName, times, values );
+
+	return new AnimationClip( null, duration, [ track ] );
+
+};
+
+
+AnimationClipCreator.CreateMaterialColorAnimation = function ( duration, colors ) {
+
+	var times = [], values = [],
+		timeStep = duration / colors.length;
+
+	for ( var i = 0; i <= colors.length; i ++ ) {
+
+		times.push( i * timeStep );
+		values.push( colors[ i % colors.length ] );
+
+	}
+
+	var trackName = '.material[0].color';
+
+	var track = new ColorKeyframeTrack( trackName, times, values );
+
+	return new AnimationClip( null, duration, [ track ] );
+
+};
+
+export { AnimationClipCreator };