“Space-time blending” by Pasko G., Pasko A., Kunii T., Computer Animation and Virtual Worlds, vol. 15, No. 2, 2004, pp. 109-121.
Electronic version: PDF (835K)
We present a new approach to shape transformation for animation based on the bounded blending in higher dimension. It results in a smooth transformation (metamorphosis and non-linear motion) between two functionally defined 2D and 3D shapes as it is illustrated below
Click to view an animation "Transformation of a disk to a square" (AVI format, 6.6 MB) or download zipped AVI (56.5 KB)
Click to view an animation "Transformation of a ring to a cross" (AVI format, 6.73MB) or download zipped AVI (63.5KB).
Click to view an animation "Transformation of a Buddha shape to a Chinese character" (AVI format, 4.3MB) or download zipped AVI (53.5KB)
Click to view an animation "Letters to Robot Transformation" (20 ray-traced frames, AVI format, 195K)