package tiny_libs

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From-scratch libraries for teaching: graphics, audio, compression, crypto, networking and more

Install 

dune-project
 Dependency

github.com Readme Edit opam file Versions (1)

Authors

  1. Y
    Yoann Padioleau <yoann.padioleau@gmail.com

Maintainers

  1. Y
    Yoann Padioleau <yoann.padioleau@gmail.com

Sources

0.3.6.tar.gz
md5=7c636383d146d30ac6f2fa234a6253c8
sha512=c79f3823c5f8f57e5038eb640d487c61168b84aa07c61999d6622ef9fd0c890e2b03b4c6a7cdbbe9352a49e25dda00ac7bb14693cee8e3d7beeed251351a2af0

doc/src/tiny_libs.graphics_3d/Painter.ml.html

Source file Painter.ml

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(* Claude Code
 *
 * Copyright (C) 2026 Yoann Padioleau
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public License
 * (LGPL) as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 *)

(* See Painter.mli *)

let sort_far_to_near ~(eye : Vec3.t) (points_of : 'face -> Vec3.t list) (faces : 'face list) : 'face list =
  (* the squared distance: the same order, without a square root *)
  let dist2_to_eye face =
    let (dx, dy, dz) = Vec3.sub eye (Vec3.centroid (points_of face)) in
    (dx *. dx) +. (dy *. dy) +. (dz *. dz)
  in
  faces |> List.sort (fun face1 face2 -> compare (dist2_to_eye face2) (dist2_to_eye face1))