Tree

by NightElfik
Short link: http://malsys.cz/g/JFI1IzqW
Tree

Description

Gravity was simulated by tropism vector (0, -1, 0). This tree is actually 3D but it is rendered as 2D. If you want to see it in 3D process its L-system with ThreeJsRenderer :) The Algorithmic Beauty of Plants by P. Prusinkiewicz and A. Lindenmayer, p 60, fig 2.8a

Download output

Additional information

Views & rating

Views: 6974

Rating: 4.666667

Your vote:

Only registered users can vote.

Tags

ABoPPlants

Comments

comments powered by Disqus

Source code

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
lsystem Tree extends Branches {
 
let d1 = 94.74; // divergence angle 1
let d2 = 132.63; // divergence angle 2
let angle = 18.95; // branching angle
let l = 1.109; // length increase rate
let w = 1.732; // width increase rate
 
set symbols axiom = /(45) F(100, 1) A;
set iterations = 6;
set initialAngle = 90;
set tropismVector = {0, -1, 0};
set tropismCoefficient = 0.15;
set scale = 0.7;
 
interpret F as DrawForward;
interpret f as MoveForward;
interpret & as Pitch(-angle);
interpret / as Roll;
 
rewrite A to
F(50, w) [ C & F(50, 1) A ] /(d1)
[ C & F(50, 1) A ] /(d2) [ C & F(50, 1) A ];
rewrite F(length, width) to F(length * l, width * w);
rewrite f(length) to F(length * w);
rewrite C to f(-1) &(-90) f(1) &(90); // correction
 
}
 
process all with SvgRenderer;