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9 | THREE.AnimationClipCreator = function () {};
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10 |
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11 | THREE.AnimationClipCreator.CreateRotationAnimation = function ( period, axis ) {
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12 |
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13 | var times = [ 0, period ], values = [ 0, 360 ];
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14 |
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15 | axis = axis || 'x';
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16 | var trackName = '.rotation[' + axis + ']';
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17 |
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18 | var track = new THREE.NumberKeyframeTrack( trackName, times, values );
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19 |
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20 | return new THREE.AnimationClip( null, period, [ track ] );
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21 |
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22 | };
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23 |
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24 | THREE.AnimationClipCreator.CreateScaleAxisAnimation = function ( period, axis ) {
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25 |
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26 | var times = [ 0, period ], values = [ 0, 1 ];
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27 |
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28 | axis = axis || 'x';
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29 | var trackName = '.scale[' + axis + ']';
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30 |
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31 | var track = new THREE.NumberKeyframeTrack( trackName, times, values );
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32 |
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33 | return new THREE.AnimationClip( null, period, [ track ] );
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34 |
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35 | };
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36 |
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37 | THREE.AnimationClipCreator.CreateShakeAnimation = function ( duration, shakeScale ) {
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38 |
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39 | var times = [], values = [], tmp = new THREE.Vector3();
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40 |
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41 | for ( var i = 0; i < duration * 10; i ++ ) {
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42 |
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43 | times.push( i / 10 );
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44 |
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45 | tmp.set( Math.random() * 2.0 - 1.0, Math.random() * 2.0 - 1.0, Math.random() * 2.0 - 1.0 ).
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46 | multiply( shakeScale ).
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47 | toArray( values, values.length );
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48 |
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49 | }
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50 |
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51 | var trackName = '.position';
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52 |
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53 | var track = new THREE.VectorKeyframeTrack( trackName, times, values );
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54 |
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55 | return new THREE.AnimationClip( null, duration, [ track ] );
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56 |
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57 | };
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58 |
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59 |
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60 | THREE.AnimationClipCreator.CreatePulsationAnimation = function ( duration, pulseScale ) {
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61 |
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62 | var times = [], values = [], tmp = new THREE.Vector3();
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63 |
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64 | for ( var i = 0; i < duration * 10; i ++ ) {
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65 |
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66 | times.push( i / 10 );
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67 |
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68 | var scaleFactor = Math.random() * pulseScale;
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69 | tmp.set( scaleFactor, scaleFactor, scaleFactor ).
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70 | toArray( values, values.length );
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71 |
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72 | }
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73 |
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74 | var trackName = '.scale';
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75 |
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76 | var track = new THREE.VectorKeyframeTrack( trackName, times, values );
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77 |
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78 | return new THREE.AnimationClip( null, duration, [ track ] );
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79 |
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80 | };
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81 |
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82 |
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83 | THREE.AnimationClipCreator.CreateVisibilityAnimation = function ( duration ) {
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84 |
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85 | var times = [ 0, duration / 2, duration ], values = [ true, false, true ];
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86 |
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87 | var trackName = '.visible';
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88 |
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89 | var track = new THREE.BooleanKeyframeTrack( trackName, times, values );
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90 |
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91 | return new THREE.AnimationClip( null, duration, [ track ] );
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92 |
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93 | };
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94 |
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95 |
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96 | THREE.AnimationClipCreator.CreateMaterialColorAnimation = function ( duration, colors ) {
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97 |
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98 | var times = [], values = [],
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99 | timeStep = duration / colors.length;
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100 |
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101 | for ( var i = 0; i <= colors.length; i ++ ) {
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102 |
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103 | times.push( i * timeStep );
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104 | values.push( colors[ i % colors.length ] );
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105 |
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106 | }
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107 |
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108 | var trackName = '.material[0].color';
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109 |
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110 | var track = new THREE.ColorKeyframeTrack( trackName, times, values );
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111 |
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112 | return new THREE.AnimationClip( null, duration, [ track ] );
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113 |
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114 | };
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