pub fn draw_arrow(
x1: f32,
y1: f32,
x2: f32,
y2: f32,
thickness: f32,
head_size: f32,
color: Color,
)Expand description
Draws a line from (x1, y1) to (x2, y2) with a triangular head at the end.
The tip extends head_size past (x2, y2).