AnimationCurve

How do I use Animation Curve
Below are practical examples compiled from projects for learning and reference purposes

Featured Snippets

Line	Code	Ex..
35	public AnimationCurve InterpolateSpeedCurve = new AnimationCurve( new Keyframe[] {	1
107	MakeAnimationCurves(root, animClip, animation);	2
112	private void MakeAnimationCurves(GameObject root, AnimationClip animClip, Animation animation)	3
40	public AnimationCurve[] Curves;	4
51	SetCurveIfNotEmpty(ref animClip, kvp.Key, typeof(Transform), "localPosition.x", curves[(int)AnimationCurveIndex.LocalPositionX]);	5
106	var curves = GetOrCreateAnimationCurves(path);	6
113	var obj = GetOrCreateAnimationCurves(path);	7
120	private void SetCurveIfNotEmpty(ref AnimationClip clip, string path, Type component, string property, AnimationCurve curve)	8
133	obj.Curves[(int)AnimationCurveIndex.IsActive].AddKey(new Keyframe(time, val, float.PositiveInfinity, float.PositiveInfinity) { tangentMode = 0 });	9
165	private ObjectCurves GetOrCreateAnimationCurves(string path)	10

File name: PhotonTransformViewPositionModel.cs Copy

35     public AnimationCurve InterpolateSpeedCurve = new AnimationCurve( new Keyframe[] {
36                                                                               new Keyframe( -1, 0, 0, Mathf.Infinity ),
37                                                                               new Keyframe( 0, 1, 0, 0 ),
38                                                                               new Keyframe( 1, 1, 0, 1 ),
39                                                                               new Keyframe( 4, 4, 1, 0 ) } );

File name: AnimationBuilder.cs Copy

91         public AnimationClip MakeAnimationClip(GameObject root, Animation animation, string baseFolderPath)
92         {
93             //Clear local caches
94             lastGameObjectCache.Clear();
95             animationEvents.Clear();
96             lastKeyframeCache.Clear();
97             spriteChangeKeys.Clear();
98             spriteBaseFolder = baseFolderPath;
99
100             var animClip = new AnimationClip();
101             animClip.name = animation.Name;
102
103             //Set clip to Generic type
104             //AnimationUtility.SetAnimationType(animClip, ModelImporterAnimationType.Generic);
105
106             //Populate the animation curves & events
107             MakeAnimationCurves(root, animClip, animation);
108
109             return animClip;
110         }

File name: AnimationBuilder.cs Copy

112         private void MakeAnimationCurves(GameObject root, AnimationClip animClip, Animation animation)
113         {
114             acb = new AnimationCurveBuilder();
115
116             //Get a list of all sprites on this GO
117             var allSprites = root.GetComponentsInChildren(true).Select(sr => AnimationUtility.CalculateTransformPath(sr.transform, root.transform));
118
119             //Add a key for all objects on the first frame
120             SetGameObjectForKey(root, animClip, animation.MainlineKeys.First(), 0);
121
122             foreach (var mainlineKey in animation.MainlineKeys)
123             {
124
125                 var visibleSprites = SetGameObjectForKey(root, animClip, mainlineKey);
126                 var hiddenSprites = allSprites.Except(visibleSprites);
127                 HideSprites(root, hiddenSprites, mainlineKey.Time);
128             }
129
130             switch (animation.LoopType)
131             {
132                 case LoopType.True:
133                     //Cycle back to first frame
134                     SetGameObjectForKey(root, animClip, animation.MainlineKeys.First(), animation.Length);
135                     break;
136                 case LoopType.False:
137                     //Duplicate the last key at the end time of the animation
138                     SetGameObjectForKey(root, animClip, animation.MainlineKeys.Last(), animation.Length);
139                     break;
140                 default:
141                     Debug.LogWarning("Unsupported loop type: " + animation.LoopType.ToString());
142                     break;
143             }
144
145             //Add the curves to our animation clip
146             //NOTE: This MUST be done before modifying the settings, thus the double switch statement
147             acb.AddCurves(animClip);
148
149             foreach (var sprite in spriteChangeKeys)
150             {
151                 if (sprite.Value.Count > 0)
152                 {
153                     BuildSpriteChangeCurve(ref animClip, sprite);
154                 }
155             }
156
157             //Set the loop/wrap settings for the animation clip
158             var animSettings = AnimationUtility.GetAnimationClipSettings(animClip);
159             switch(animation.LoopType)
160             {
161                 case LoopType.True:
162                     animClip.wrapMode = WrapMode.Loop;
163                     animSettings.loopTime = true;
164                     break;
165                 case LoopType.False:
166                     animClip.wrapMode = WrapMode.ClampForever;
167                     break;
168                 case LoopType.PingPong:
169                     animClip.wrapMode = WrapMode.PingPong;
170                     animSettings.loopTime = true;
171                     break;
172                 default:
173                     Debug.LogWarning("Unsupported loop type: " + animation.LoopType.ToString());
174                     break;
175             }
176
177             animClip.SetAnimationSettings(animSettings);
178
179             //Debug.Log(string.Format("Setting animation {0} to {1} loop mode (WrapMode:{2} LoopTime:{3}) ", animClip.name, animation.LoopType, animClip.wrapMode, animSettings.loopTime));
180         }