From 1a515237afb7ad09353a65f5fbc6e98a7c29ce8e Mon Sep 17 00:00:00 2001
From: Kai Stevenson <kai@kaistevenson.com>
Date: Sat, 22 Aug 2026 15:00:35 -0700
Subject: sim manager refactor

---
 src/sim/rb_sim/debug_render.rs | 71 ------------------------------------------
 1 file changed, 71 deletions(-)
 delete mode 100644 src/sim/rb_sim/debug_render.rs

(limited to 'src/sim/rb_sim/debug_render.rs')

diff --git a/src/sim/rb_sim/debug_render.rs b/src/sim/rb_sim/debug_render.rs
deleted file mode 100644
index 342fc5b..0000000
--- a/src/sim/rb_sim/debug_render.rs
+++ /dev/null
@@ -1,71 +0,0 @@
-use rapier2d::pipeline::{DebugColor, DebugRenderBackend, DebugRenderObject};
-
-use crate::config::PIXELS_TO_METRES;
-
-#[repr(C)]
-#[derive(Copy, Clone, bytemuck::Pod, bytemuck::Zeroable)]
-pub struct DebugVertex {
-    pub position: [f32; 2],
-    pub color: [f32; 4],
-}
-
-#[derive(Default)]
-pub struct DebugLineBuffer {
-    pub vertices: Vec<DebugVertex>,
-}
-
-impl DebugRenderBackend for DebugLineBuffer {
-    fn draw_line(
-        &mut self,
-        _object: DebugRenderObject,
-        a: rapier2d::math::Vector,
-        b: rapier2d::math::Vector,
-        color: DebugColor,
-    ) {
-        let color = hsla_to_linear_rgba(color);
-        self.vertices.push(DebugVertex {
-            position: [a.x * PIXELS_TO_METRES, a.y * PIXELS_TO_METRES],
-            color,
-        });
-        self.vertices.push(DebugVertex {
-            position: [b.x * PIXELS_TO_METRES, b.y * PIXELS_TO_METRES],
-            color,
-        });
-    }
-}
-
-fn hsla_to_linear_rgba(hsla: DebugColor) -> [f32; 4] {
-    let [hue, saturation, lightness, alpha] = hsla;
-
-    let hue = hue.rem_euclid(360.0) / 60.0;
-    let saturation = saturation.clamp(0.0, 1.0);
-    let lightness = lightness.clamp(0.0, 1.0);
-
-    let chroma = (1.0 - (2.0 * lightness - 1.0).abs()) * saturation;
-    let second = chroma * (1.0 - (hue % 2.0 - 1.0).abs());
-    let (r, g, b) = match hue as u32 {
-        0 => (chroma, second, 0.0),
-        1 => (second, chroma, 0.0),
-        2 => (0.0, chroma, second),
-        3 => (0.0, second, chroma),
-        4 => (second, 0.0, chroma),
-        _ => (chroma, 0.0, second),
-    };
-    let m = lightness - chroma / 2.0;
-
-    [
-        srgb_to_linear(r + m),
-        srgb_to_linear(g + m),
-        srgb_to_linear(b + m),
-        alpha.clamp(0.0, 1.0),
-    ]
-}
-
-fn srgb_to_linear(channel: f32) -> f32 {
-    let channel = channel.clamp(0.0, 1.0);
-    if channel <= 0.04045 {
-        channel / 12.92
-    } else {
-        ((channel + 0.055) / 1.055).powf(2.4)
-    }
-}
-- 
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