Tag Archives: triangle

Javascript: Is Point In Triangle

Posted on June 27, 2012 by Dimitri Tishchenko

Excellent article on determining if a point is in a triangle. Point in triangle test I needed a javascript version of the Barycentric coordinate method. Here is the function: function is_in_triangle (px,py,ax,ay,bx,by,cx,cy){ //credit: http://www.blackpawn.com/texts/pointinpoly/default.html var v0 = [cx-ax,cy-ay]; var v1 … Continue reading →

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Context Free Sierpinski Triangle Tutorial

Posted on October 28, 2011 by Dimitri Tishchenko

Context Free site tutorial: http://www.contextfreeart.org/mediawiki/index.php/Tutorials/Fractals The generated image: Context Free Code: startshape B rule B { TRIANGLE{} B {s 0.5 y 0.288 b 0.1} B {s 0.5 x -0.25 y -0.144 b 0.1} B {s 0.5 x 0.25 y -0.144 … Continue reading →

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