| 摘要 |
<p>Disclosed are an apparatus and a method for modeling a curved surface using intersection points in a three-dimensional lattice structure. An intersection point generating member generates intersection points between the movement path of an input device and the corner of each of a plurality of cells, which constitute a three-dimensional lattice structure generated in accordance with the input space, based on the location information and direction of the input device, which moves within the three-dimensional input space, and calculates normal vectors in a direction pointed by the input device at the intersection points. A pattern generating member connects the intersection points of each of the cells having intersection points, based on a generating order of the intersection points and the direction of the normal vectors at each of the intersection points, to generate a polygonal pattern. A pattern regenerating member repeatedly divides the cells, which include a pattern, according to the predetermined number of divisions, to generate a plurality of sub-cells. A curved surface generating member connects the plurality of patterns generated by the pattern generating member and the pattern regenerating member in order to generate a three dimensional curved surface. The present invention generates a pattern for each of the three-dimensional lattice-structured cells by connecting the intersection points generated for each of the cells, in accordance with the movement of the input device, and thus can generate an accurate curved surface that corresponds to the user's intention.</p> |
