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SMU-SIS / ksketch2

K-Sketch Animation Sketching System
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Bad interpolation when key frame is in far future #42

Closed rc-davis closed 10 years ago

rc-davis commented 10 years ago

Reproduction steps

  1. draw an object on the left-middle of the scene
  2. Demonstrate movement to the right from 0 to 1 second for 200 pixels or so. (Call this "movement A".)
  3. Demonstrate movement down from 1 to 2 second for 200 pixels or so. (Call this "movement B".)
  4. Insert a key frame at the end of movement B.
  5. Move the time slider to the beginning of the animation and do an interpolated movement to the right for 200 pixels or so. Only the second motion changes, but both should change (bug).
  6. Press Undo. The shape moves back to its original starting position, but movement B does not return to the shape it had before step 5 (bug)