pub fn arc_quad(
center: (f32, f32),
radius: f32,
thickness: f32,
start_deg: f32,
sweep_deg: f32,
rgba: [u8; 4],
) -> ((f32, f32, f32, f32), Vec<u8>)Expand description
FillArc → ARC quad: ring segment of thickness along the circle of
radius centered at center, from start_deg sweeping sweep_deg
clockwise (0° = 3 o’clock, y-down), ROUND caps (the CPU path strokes
with LineCap::Round). shape: (center in quad-local px);
params: (radius, thickness, start_rad, sweep_rad) — sweep normalized
non-negative here so the shader needs no sign handling.