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A turtle graphics implementation for R7RS Scheme

Aftakking: clientserver
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turtle-r7rs
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Jason K. MacDuffie 2e3962e116 seems I need the sleep or it goes a bit out of control 5 jaren geleden
examples 33f46f2e95 correct threeshapes 7 jaren geleden
server 63b42a719d parse the json properly 5 jaren geleden
.gitignore 49c39a8d2f write a quick library for kawa turtle 7 jaren geleden
LICENSE ee9eb19ace I never set the license apparently! This is GPLv3+ 8 jaren geleden
README.md e0663f918d update the readme to reflect kawa implementation 7 jaren geleden
canvas.gauche.scm c8c22535ad rename clearscreen to clear-screen 7 jaren geleden
canvas.kawa.scm 2e3962e116 seems I need the sleep or it goes a bit out of control 5 jaren geleden
canvas.sld c4c2ffeca2 correct the imports 5 jaren geleden
screenshot.png 8a9eb5c631 Add a screenshot 9 jaren geleden
simple.sld 29fc6246bf fix some old references 7 jaren geleden
syntax.sld 8f118c7e61 Rename *.scm to *.sld 8 jaren geleden
turtle3.body.scm 29fc6246bf fix some old references 7 jaren geleden
turtle3.sld 57ffd3e77e rename turtle-init to make-turtle 7 jaren geleden
vector.sld 8f118c7e61 Rename *.scm to *.sld 8 jaren geleden

README.md

Turtle R7RS

This library is for turtle graphics implemented in R7RS Scheme. Because there is no portable way to implement graphics, the code was made modular enough to have multiple front-ends. For Gauche, gauche-tk is used. For Kawa, the built-in HTTP server is used to send instructions to a browser front-end.

YASOS is a dependency to allow extending the turtle.

Screenshot

Here is a picture of the "dragon" curve.

dragon curve

License

You may redistribute or modify this library under the terms of the GNU GPLv3, or any later version. See LICENSE for details.