From d7eccba2055cd7784a0db6d9ee8692a4f3510931 Mon Sep 17 00:00:00 2001
From: Kai Stevenson <kai@kaistevenson.com>
Date: Sat, 15 Aug 2026 22:46:53 -0700
Subject: fire, optimize viewport rendering

---
 src/sim/materials/mod.rs | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'src/sim/materials/mod.rs')

diff --git a/src/sim/materials/mod.rs b/src/sim/materials/mod.rs
index d2d0e0e..764318a 100644
--- a/src/sim/materials/mod.rs
+++ b/src/sim/materials/mod.rs
@@ -1,5 +1,6 @@
 use crate::sim::sim::UpdateCtx;
 
+mod fire;
 mod gas;
 mod sand;
 mod water;
@@ -12,6 +13,7 @@ pub enum MaterialId {
     Wood,
     Water,
     Gas,
+    Fire,
 }
 
 pub struct MaterialDef {
@@ -21,7 +23,7 @@ pub struct MaterialDef {
     pub sim_update: Option<fn(ctx: &mut UpdateCtx) -> ()>,
 }
 
-static MATERIALS: [MaterialDef; 5] = [
+static MATERIALS: [MaterialDef; 6] = [
     MaterialDef {
         name: "Void",
         color: (0x00, 0x00, 0x00, 0x00),
@@ -52,15 +54,23 @@ static MATERIALS: [MaterialDef; 5] = [
         density: 10,
         sim_update: Some(gas::sim_update),
     },
+    MaterialDef {
+        name: "Fire",
+        color: (0xFC, 0x66, 0x00, 0xAA),
+        // for now this matches wood
+        density: 50,
+        sim_update: Some(fire::sim_update),
+    },
 ];
 
 impl MaterialId {
-    pub const ALL: [MaterialId; 5] = [
+    pub const ALL: [MaterialId; 6] = [
         MaterialId::Void,
         MaterialId::Sand,
         MaterialId::Wood,
         MaterialId::Water,
         MaterialId::Gas,
+        MaterialId::Fire,
     ];
     #[inline]
     pub fn def(self) -> &'static MaterialDef {
-- 
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