lsys/lib/simple_leaf.l

// draw a simple leaf with two sides

// e is the angle of the leaf sides against the plane
// b is the bow initial angle. less means leaner leaves
// n is the number of line segments used to draw the leaf.

simple_leaf(e,b)        => simple_leaf (e,b,8), 1;
simple_leaf(e,b,n)      => [attr (distance, distance/n) [{.\(e)bow(b,n)}] {./(e)bow(-b,n)}], n+1;
bow(b,n)                => +(b) attr (delta, b*2/(n-1)) seg;
seg                     => F - seg;
Revision:	1.1
Committed:	Thu Nov 6 14:31:25 2008 UTC (15 years, 6 months ago) by root
Branch:	MAIN
CVS Tags:	HEAD
Log Message:	* empty log message *
#	Content
1	// draw a simple leaf with two sides
2
3	// e is the angle of the leaf sides against the plane
4	// b is the bow initial angle. less means leaner leaves
5	// n is the number of line segments used to draw the leaf.
6
7	simple_leaf(e,b) => simple_leaf (e,b,8), 1;
8	simple_leaf(e,b,n) => [attr (distance, distance/n) [{.\(e)bow(b,n)}] {./(e)bow(-b,n)}], n+1;
9	bow(b,n) => +(b) attr (delta, b*2/(n-1)) seg;
10	seg => F - seg;