[Tool] L-Systems Explorer

[amgsoft]

Description
L-systems are formal string rewriting systems introduced in 1968 by the botanist Aristid Lindenmayer to model the growth of plants.
To produce pictures from L-systems, we need some method of translating the strings into drawing instructions. A common alphabet is F = {F,+,-[.]}, interpretations take forms such as
+ Turn counterclockwise by a specified angle q
- Turn clockwise by a specified angle q
F Move forward one step while drawing a line
[ Save position and angle
] Restore last position and angle
Features:
1 You can use up to 5 rules.
2 Select from a set of 15 examples to start with.
3 The last set of instructions are saved, will be retrieved when the app is started or resumed.
4 The maximum number of instruction is limited to 10,000,000 (10 Millions).
5 Support of both portrait and landscape modes.
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