use terminal_graphics_interactive::prelude::*;
fn main() -> std::io::Result<()> {
// The mouse pulls the balls in, the right button pushes them away, a click
// adds a ball. Press q to quit.
World::new()
.balls(5)
.size(3.5)
.gravity(0.02)
.mouse_pulls()
.trails()
.run()
}