523066680

Crlf确定加的是技术分吗……
这几段码出来我就可以作为原创内容发到各个文档网站赚点积分方便以后用吧，大概这么想的。

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)