From 3344eb2d678f9c5973c8e38083760254b54c20fc Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Thu, 23 Jan 2025 22:45:35 +0100
Subject: split scene_prepare to many files

---
 client/src/meshops.rs | 81 ---------------------------------------------------
 1 file changed, 81 deletions(-)
 delete mode 100644 client/src/meshops.rs

(limited to 'client/src/meshops.rs')

diff --git a/client/src/meshops.rs b/client/src/meshops.rs
deleted file mode 100644
index 0a3f963..0000000
--- a/client/src/meshops.rs
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
-    wearechat - generic multiplayer game with voip
-    Copyright (C) 2025 metamuffin
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, version 3 of the License only.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
-use glam::{Vec2, Vec3, vec2};
-
-pub fn generate_normals(index: &[[u32; 3]], position: &[Vec3]) -> Vec<Vec3> {
-    let mut normal_denom = vec![0; position.len()];
-    let mut normal = vec![Vec3::ZERO; position.len()];
-
-    for &[a, b, c] in index {
-        let pos_a = position[a as usize];
-        let pos_b = position[b as usize];
-        let pos_c = position[c as usize];
-
-        // TODO is this right?
-        let norm = (pos_b - pos_a).cross(pos_c - pos_a).normalize();
-
-        normal[a as usize] += norm;
-        normal[b as usize] += norm;
-        normal[c as usize] += norm;
-        normal_denom[a as usize] += 1;
-        normal_denom[b as usize] += 1;
-        normal_denom[c as usize] += 1;
-    }
-    for (denom, norm) in normal_denom.iter().zip(normal.iter_mut()) {
-        *norm /= *denom as f32;
-    }
-    normal
-}
-
-pub fn generate_tangents(index: &[[u32; 3]], position: &[Vec3], texcoord: &[Vec2]) -> Vec<Vec3> {
-    let mut tangent_denom = vec![0; position.len()];
-    let mut tangent = vec![Vec3::ZERO; position.len()];
-
-    for &[a, b, c] in index {
-        let (pos_a, uv_a) = (position[a as usize], texcoord[a as usize]);
-        let (pos_b, uv_b) = (position[b as usize], texcoord[b as usize]);
-        let (pos_c, uv_c) = (position[c as usize], texcoord[c as usize]);
-
-        let pd_ba = pos_b - pos_a;
-        let pd_ca = pos_c - pos_a;
-        let td_ba = uv_b - uv_a;
-        let td_ca = uv_c - uv_a;
-
-        let face_tangent =
-            (pd_ba * td_ca.y - pd_ca * td_ba.y) * (td_ba.x * td_ca.y - td_ba.y * td_ca.x);
-
-        tangent[a as usize] += face_tangent;
-        tangent[b as usize] += face_tangent;
-        tangent[c as usize] += face_tangent;
-        tangent_denom[a as usize] += 1;
-        tangent_denom[b as usize] += 1;
-        tangent_denom[c as usize] += 1;
-    }
-    for (denom, tang) in tangent_denom.iter().zip(tangent.iter_mut()) {
-        *tang /= *denom as f32;
-    }
-
-    tangent
-}
-
-pub fn generate_texcoords(index: &[[u32; 3]], position: &[Vec3]) -> Vec<Vec2> {
-    let _ = (index, position);
-    // TODO implement equirectangular projection or something
-    (0..position.len())
-        .map(|i| vec2(i as f32 * 0.01, 0.))
-        .collect()
-}
-- 
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