tommytangtang

回复 44# 523066680
  谢谢啦，我慢慢研究一下

523066680

回复 37# neorobin

发现一个文章量不算多，但是图文并茂的学术博客：

    http://alienryderflex.com/polygon/


http://alienryderflex.com/tutorials.shtml

Geometry/Math

• Point in polygon
• Point in spline polygon
• Point left of ray
• Shortest path through polygon
• Polygon area
• Polygon fill
• Polygon hatchline fill
• Polygon perimeter
• Polygon inset
• Smallest enclosing polygon
• Spline bounding rect
• Spline polygon area
• Line-line intersection
• Calculus without calculus
• Area of a circle
• Pi — diameter vs. radius
• Mandelbrot slideshow
• Non-Euclidean geometry         (blog)
• Fifth-order polynomials        (blog)
• Perspective photo distortion
• Collatz Conjecture analysis    (blog)
• Infinite Sets                  (blog)
• Only even prime                (blog)
• Century name vs. year number   (blog)
• Four-Color Theorem analysis    (blog)