raylib 3.5.0

Python CFFI bindings for Raylib

Python Bindings for Raylib 3.5

New CFFI API static bindings. Faster, fewer bugs and easier to maintain than ctypes.

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Install

Option 1: Install from Pypi (easiest but may not be up to date or be available for your platform)

We distribute a statically linked binary Raylib library, install from Pypi.

pip3 install raylib

Some platforms that should be available:

Windows 10 (64 bit): Python 3.6 - 3.8

MacOS: Python 3.6 - 3.8

Linux (Ubuntu 16.04+): Python 3.6 - 3.8

If yours isn't available then pip should attempt to build from source, but this has not been tested.

Option 2: Build from source (Raylib 3.5, all platforms)

If you're using a platform we don't have binary builds for yet then you can either use the dynamic binding with your own dll or else you will have to build from source. If you do build on a new platform please submit your binaries as a PR.

These instructions have been tested on Ubuntu 20.10 and 16.04. Mac should be very similar. Windows is probably different.

Clone this repo including submodules so you get correct version of Raylib.

git clone --recurse-submodules https://github.com/electronstudio/raylib-python-cffi

Build and install Raylib from the raylib-c directory.

cd raylib-python-cffi/raylib-c
mkdir build
cd build
cmake -DWITH_PIC=on -DSTATIC=on -DSHARED=on ..
sudo make install

Make a patched version of raylib header.

cd ../../raylib
cp raylib.h raylib_modified.h
patch  -p0 <raylib_modified.h.patch

Build

pip3 install cffi
cd ..
rm -rf build raylib/static/_raylib_cffi.*
python3 raylib/static/build.py

To update the Linux dynamic libs (names will be different on other platfroms):

rm raylib/dynamic/*.so*
cp -P /usr/local/lib/libraylib.so* raylib/dynamic/

Distributing

To build a binary wheel distribution:

pip3 install wheel
python3 setup.py bdist_wheel

and install it:

pip3 install dist/raylib*.whl

To build a complete set of libs for Python 3.6, 3.7, 3.8 and 3.9:

./raylib/static/build_multi.sh

(TODO move the dynamic libs into a separate package rather than include them with every one.)

Raspberry Pi

The integrated GPU hardware in a Raspberry Pi ("VideoCore") is rather idiosyncratic, resulting in a complex set of software options. Probably the most interesting two options for Raylib applications are:

1. Use the Broadcom proprietary Open GL ES 2.0 drivers, installed by Raspbian into /opt/vc. These are 32-bit only, and currently X11 doesn't use these for its acceleration, so this is most suitable for driving the entire HDMI output from one application with minimal overhead (no X11).

2. Use the more recent open-source vc4-fkms-v3d kernel driver. This can run in either 32-bit or 64-bit, and X11 can use these, so using X11 is probably the more common choice here.

With option 2, the regular linux install instructions above should probably work as-is.

For option 1, then also follow the above instructions, but with these modifications:

• With cmake, use cmake -DWITH_PIC=on -DSTATIC=on -DSHARED=on -DPLATFORM='Raspberry Pi' ..

Use

raylib.static

Goal is make usage as similar to the original C as CFFI will allow. There are a few differences you can see in the examples. See test_static.py and examples/*.py for how to use.

from raylib.static import *

InitWindow(800, 450, b"Hello Raylib")
SetTargetFPS(60)

camera = ffi.new("struct Camera3D *", [[18.0, 16.0, 18.0], [0.0, 0.0, 0.0], [0.0, 1.0, 0.0], 45.0, 0])
SetCameraMode(camera[0], CAMERA_ORBITAL)

while not WindowShouldClose():
    UpdateCamera(camera)
    BeginDrawing()
    ClearBackground(RAYWHITE)
    BeginMode3D(camera[0])
    DrawGrid(20, 1.0)
    EndMode3D()
    DrawText(b"Hellow World", 190, 200, 20, VIOLET)
    EndDrawing()
CloseWindow()

raylib.pyray

Wrapper around the static bindings. Makes the names snakecase and converts strings to bytes automatically. See test_pyray.py.

from raylib.pyray import PyRay
from raylib.colors import *

pyray = PyRay()

pyray.init_window(800, 450, "Hello Pyray")
pyray.set_target_fps(60)

camera = pyray.Camera3D([18.0, 16.0, 18.0], [0.0, 0.0, 0.0], [0.0, 1.0, 0.0], 45.0, 0)
pyray.set_camera_mode(camera, pyray.CAMERA_ORBITAL)

while not pyray.window_should_close():
    pyray.update_camera(camera)
    pyray.begin_drawing()
    pyray.clear_background(RAYWHITE)
    pyray.begin_mode_3d(camera)
    pyray.draw_grid(20, 1.0)
    pyray.end_mode_3d()
    pyray.draw_text("Hello world", 190, 200, 20, VIOLET)
    pyray.end_drawing()
pyray.close_window()

raylib.dynamic

In addition to the API static bindings we have CFFI ABI dynamic bindings in order to avoid the need to compile a C extension module. There have been some weird failures with dynamic bindings and ctypes bindings before and often the failures are silent so you dont even know. Also the static bindings should be faster. Therefore I recommend the static ones...

BUT the dynamic bindings have the big advantage that you don't need to compile anything to install. You just need a Raylib DLL, which we supply for Windows/Mac/Linux.

Currently the DLL is being removed from the pypi packages but still available in the git repo. Could split into its own pypi package if anyone wants it.

See test_dynamic.py for how to use.

richlib

A simplified API for Raylib for use in education and to enable beginners to create 3d games

HELP WANTED

• converting more examples from C to python
• testing and building on more platforms
• sorting out binary wheel distribution for Mac/Win and compile-from-source distributtion for Linux