A tool for exploring the density wave theory for distribution of stars in a galaxy.
You set the mode by pressing 'm'. The mode will change which property is changed by dragging the mouse left and right.
Modes:
- count, adjust number of ellipses
- spacing, adjust spacing between each successive ellipse major axis in pixels
- rotation, adjust rotational offset between each successive ellipse in radians
- squash, adjust size of minor axis relative to major axis
Demonstration: