| Bruce H. Thomas and Paul R. Calder. Using animation to enhance look and feel. Technical Report CIS-94-014, School of Computer and Information Science, University of South Australia, September 1994. |
....and pleasing to the user, I have developed effects based on traditional cartoon animation principles. In the spirit of Chang and Ungar s principles for using cartoon animation in user interfaces (see Section 2.3. 2) I have defined four principles for animating direct manipulation operations [75]: 1. The principle of attachment states that the objects being manipulated should at all times remain attached to the pointer. 2. The principle of reluctance states that objects should, in general, seem reluctant to change. 3. The principle of smoothness states that objects must change in a ....
Bruce H. Thomas and Paul R. Calder. Using animation to enhance look and feel. Technical Report CIS-94-014, School of Computer and Information Science, University of South Australia, September 1994.
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