Cursor particle effect for KWin

This effect for KDE Plasma 6 implements a configurable particle system that emits particles as the mouse cursor is moved across the screen.

Tested on KDE Plasma 6.7.4 (Wayland), Qt 6.11.1.

Parameters

• Frequency
• Duration
• Minimum and maximum size
• Minimum and maximum speed
• Angle
• Texture support
• Colorization
  • Randomized choice from a pool of colors
  • Full randomization

Building

Dependencies

• CMake
• extra-cmake-modules
• Ninja (optional)

$ cd path/to/this/repo
$ cmake -DCMAKE_INSTALL_PREFIX=/usr -G Ninja -B build . # '-G Ninja' is optional, but recommended for faster compilation
$ cmake --build build
$ sudo cmake --install build

TODO

• Implement gravity
• Particle explosion on mouse click
• Test on higher refresh rates
• Improve rendering when changing brightness, contrast, HDR, and color-blindness