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115 lines
2.7 KiB
115 lines
2.7 KiB
/**
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*
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* Creator of typical test AnimationClips / KeyframeTracks
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*
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* @author Ben Houston / http://clara.io/
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* @author David Sarno / http://lighthaus.us/
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*/
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THREE.AnimationClipCreator = function () {};
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THREE.AnimationClipCreator.CreateRotationAnimation = function ( period, axis ) {
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var times = [ 0, period ], values = [ 0, 360 ];
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axis = axis || 'x';
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var trackName = '.rotation[' + axis + ']';
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var track = new THREE.NumberKeyframeTrack( trackName, times, values );
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return new THREE.AnimationClip( null, period, [ track ] );
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};
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THREE.AnimationClipCreator.CreateScaleAxisAnimation = function ( period, axis ) {
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var times = [ 0, period ], values = [ 0, 1 ];
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axis = axis || 'x';
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var trackName = '.scale[' + axis + ']';
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var track = new THREE.NumberKeyframeTrack( trackName, times, values );
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return new THREE.AnimationClip( null, period, [ track ] );
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};
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THREE.AnimationClipCreator.CreateShakeAnimation = function ( duration, shakeScale ) {
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var times = [], values = [], tmp = new THREE.Vector3();
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for ( var i = 0; i < duration * 10; i ++ ) {
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times.push( i / 10 );
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tmp.set( Math.random() * 2.0 - 1.0, Math.random() * 2.0 - 1.0, Math.random() * 2.0 - 1.0 ).
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multiply( shakeScale ).
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toArray( values, values.length );
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}
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var trackName = '.position';
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var track = new THREE.VectorKeyframeTrack( trackName, times, values );
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return new THREE.AnimationClip( null, duration, [ track ] );
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};
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THREE.AnimationClipCreator.CreatePulsationAnimation = function ( duration, pulseScale ) {
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var times = [], values = [], tmp = new THREE.Vector3();
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for ( var i = 0; i < duration * 10; i ++ ) {
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times.push( i / 10 );
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var scaleFactor = Math.random() * pulseScale;
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tmp.set( scaleFactor, scaleFactor, scaleFactor ).
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toArray( values, values.length );
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}
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var trackName = '.scale';
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var track = new THREE.VectorKeyframeTrack( trackName, times, values );
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return new THREE.AnimationClip( null, duration, [ track ] );
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};
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THREE.AnimationClipCreator.CreateVisibilityAnimation = function ( duration ) {
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var times = [ 0, duration / 2, duration ], values = [ true, false, true ];
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var trackName = '.visible';
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var track = new THREE.BooleanKeyframeTrack( trackName, times, values );
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return new THREE.AnimationClip( null, duration, [ track ] );
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};
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THREE.AnimationClipCreator.CreateMaterialColorAnimation = function ( duration, colors ) {
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var times = [], values = [],
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timeStep = duration / colors.length;
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for ( var i = 0; i <= colors.length; i ++ ) {
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times.push( i * timeStep );
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values.push( colors[ i % colors.length ] );
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}
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var trackName = '.material[0].color';
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var track = new THREE.ColorKeyframeTrack( trackName, times, values );
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return new THREE.AnimationClip( null, duration, [ track ] );
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};
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