Patent ID: 6326972
Filing Date: 2001-12-04
Classification: G06T

Abstract:
A computer-implemented method of creating a frame of animation for a plurality of objects, the frame having a frame time, the method comprising:for each object, storing a non stroke-based geometric model defined in a local 3D coordinate system, the model including a plurality of portions, each portion having a position in the local 3D coordinate system;for each object, storing a stroke model of the object, the stroke model including a plurality of strokes defined in the local 3D coordinate system, each stroke associated with a portion of the non stroke-based geometric model of the object so that a change of position of the portion of the non stroke-based influences a position of the stroke associated with the portion; andfor each object, determining positions of the portions of the non stroke-based geometric model of the object in a global 3D coordinate system at the frame time, and transforming the strokes of the stroke model of the object from the local 3D coordinate system of the object into the global 3D coordinate system according to the determined positions of the associated portions.