Polygons are used in computer graphics to compose images that are three-dimensional in appearance. Usually (but not always) triangular, polygons arise when an object's surface is modeled, vertices are selected, and the object is rendered in a wire frame model. This is quicker to display than a shaded model; thus the polygons are a stage in computer animation. The polygon count refers to the number of polygons being rendered per frame.
Competing methods for rendering polygons that avoid seams[]
- Point
- Floating Point
- Fixed-Point
- Polygon
- because of rounding, every scanline has its own direction in space and may show its front or back side to the viewer.
- Fraction (mathematics)
- Bresenham's line algorithm
- Polygons have to be split into triangles
- The whole triangle shows the same side to the viewer
- The point numbers from the Transform and lighting stage have to converted to Fraction (mathematics)
- Barycentric coordinates (mathematics)
- Used in raytracing
See also[]
- Low poly
- Polygon, for general polygon information
- Polygon mesh, for polygon object representation
- Polygon modeling