From 2c8002d30f291cba832a5750212009d48238c308 Mon Sep 17 00:00:00 2001
From: hachem <im@hachem.wtf>
Date: Fri, 22 Aug 2025 12:24:05 +0200
Subject: feat: add HDRI

---
 assets/shaders/sphere.glsl | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'assets/shaders/sphere.glsl')

diff --git a/assets/shaders/sphere.glsl b/assets/shaders/sphere.glsl
index 23e8f54..2d1a46e 100644
--- a/assets/shaders/sphere.glsl
+++ b/assets/shaders/sphere.glsl
@@ -33,6 +33,7 @@ uniform vec3  u_CameraPos;
 uniform int   u_IsSelected;
 uniform vec3  u_OutlineColor;
 uniform float u_OutlineWidth;
+uniform samplerCube u_HDRIEnvironment;
 
 out vec4 o_FragColor;
 
@@ -43,10 +44,13 @@ void main()
     vec3 viewDir    = normalize(u_CameraPos - v_WorldPos);
     vec3 reflectDir = reflect(-lightDir, normal);
     
+    vec3 hdriLight = texture(u_HDRIEnvironment, normal).rgb;
+    float hdriIntensity = 0.3;
+    
     float diff = max(dot(normal, lightDir), 0.0);
     float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32.0);
     
-    vec3 diffuse  = u_Color * diff;
+    vec3 diffuse  = u_Color * (diff + hdriIntensity * hdriLight);
     vec3 specular = vec3(u_Specular) * spec;
     vec3 emission = u_Color * u_Emission;
     
-- 
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