From 42d5def07e7b6ce3e66ea85f82031e927dd4be78 Mon Sep 17 00:00:00 2001
From: admin <qwer.009771@gmail.com>
Date: Wed, 8 Oct 2025 18:36:46 +0200
Subject: [PATCH] feat: light rendering

---
 src/renderer/renderer.cpp | 2 ++
 src/shaders/simple.fs     | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/src/renderer/renderer.cpp b/src/renderer/renderer.cpp
index 8ca31da..8812e96 100644
--- a/src/renderer/renderer.cpp
+++ b/src/renderer/renderer.cpp
@@ -75,6 +75,8 @@ void Renderer::Render(entt::registry& registry) {
             return;
         }
 
+        m_shader.setBool("isLight", registry.all_of<light>(entity));
+
         m_model = glm::mat4(1.0f);
 
         // Apply translation
diff --git a/src/shaders/simple.fs b/src/shaders/simple.fs
index 9cef70b..de95a02 100644
--- a/src/shaders/simple.fs
+++ b/src/shaders/simple.fs
@@ -27,6 +27,8 @@ uniform float opacity;
 uniform sampler2D diffuseTex;
 uniform bool useTexture;
 
+uniform bool isLight;
+
 #define LIGHT_COLOR vec3(1.0, 1.0, 1.0)
 
 void main()
@@ -57,5 +59,11 @@ void main()
 
     vec3 result = (ambient + diffuse + specular) * texColor;
 
+    if (isLight) {
+        vec3 emissive = LIGHT_COLOR * 10.0; // big intensity
+        FragColor = vec4(emissive, 1.0);
+        return;
+    }
+
     FragColor = vec4(result, opacity);
 }
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