From 86df8b19063f73b7803daaa1e5b21da33ac976ed Mon Sep 17 00:00:00 2001
From: hachem <im@hachem.wtf>
Date: Mon, 25 Aug 2025 11:28:49 +0200
Subject: [fix]: QOL improvements

---
 Assets/HDRI/night_sky.hdr              | Bin 0 -> 51708063 bytes
 Assets/Shaders/ComputeTextureQuad.glsl |  28 ----------------------
 Assets/Shaders/EquirectToCubemap.glsl  |  30 ++++++++++++++----------
 Assets/Shaders/Grid.glsl               |  41 +++++++++++++++++++++++++++++++++
 Assets/Shaders/TexturedQuad.glsl       |  28 ++++++++++++++++++++++
 5 files changed, 87 insertions(+), 40 deletions(-)
 create mode 100644 Assets/HDRI/night_sky.hdr
 delete mode 100644 Assets/Shaders/ComputeTextureQuad.glsl
 create mode 100644 Assets/Shaders/Grid.glsl
 create mode 100644 Assets/Shaders/TexturedQuad.glsl

(limited to 'Assets')

diff --git a/Assets/HDRI/night_sky.hdr b/Assets/HDRI/night_sky.hdr
new file mode 100644
index 0000000..b473659
Binary files /dev/null and b/Assets/HDRI/night_sky.hdr differ
diff --git a/Assets/Shaders/ComputeTextureQuad.glsl b/Assets/Shaders/ComputeTextureQuad.glsl
deleted file mode 100644
index 95f433d..0000000
--- a/Assets/Shaders/ComputeTextureQuad.glsl
+++ /dev/null
@@ -1,28 +0,0 @@
-#type vertex
-
-#version 330 core
-
-layout (location = 0) in vec2 a_Pos;
-layout (location = 1) in vec2 a_TexCoord;
-
-out vec2 v_TexCoord;
-
-void main() 
-{
-    gl_Position = vec4(a_Pos, 0.0, 1.0);
-    v_TexCoord  = a_TexCoord;
-}
-
-#type fragment
-
-#version 330 core
-
-in  vec2 v_TexCoord;
-out vec4 o_FragColor;
-
-uniform sampler2D u_ScreenTexture;
-
-void main() 
-{
-    o_FragColor = texture(u_ScreenTexture, v_TexCoord);
-}
diff --git a/Assets/Shaders/EquirectToCubemap.glsl b/Assets/Shaders/EquirectToCubemap.glsl
index 2b99c9b..690706f 100644
--- a/Assets/Shaders/EquirectToCubemap.glsl
+++ b/Assets/Shaders/EquirectToCubemap.glsl
@@ -1,23 +1,29 @@
 #type vertex
 
 #version 330 core
-layout (location = 0) in vec3 aPos;
-out vec3 WorldPos;
-uniform mat4 projection;
-uniform mat4 view;
+
+layout (location = 0) in vec3 a_Pos;
+out vec3 v_WorldPos;
+
+uniform mat4 u_Projection;
+uniform mat4 u_View;
+
 void main()
 {
-    WorldPos = aPos;
-    gl_Position = projection * view * vec4(WorldPos, 1.0);
+    v_WorldPos = a_Pos;
+    gl_Position = u_Projection * u_View * vec4(v_WorldPos, 1.0);
 }
 
 #type fragment
 
 #version 330 core
-out vec4 FragColor;
-in vec3 WorldPos;
-uniform sampler2D equirectangularMap;
+
+out vec4 o_FragColor;
+in vec3 v_WorldPos;
+
+uniform sampler2D u_EquirectangularMap;
 const vec2 invAtan = vec2(0.1591, 0.3183);
+
 vec2 SampleSphericalMap(vec3 v)
 {
     vec2 uv = vec2(atan(v.z, v.x), asin(v.y));
@@ -27,7 +33,7 @@ vec2 SampleSphericalMap(vec3 v)
 }
 void main()
 {
-    vec2 uv = SampleSphericalMap(normalize(WorldPos));
-    vec3 color = texture(equirectangularMap, uv).rgb;
-    FragColor = vec4(color, 1.0);
+    vec2 uv = SampleSphericalMap(normalize(v_WorldPos));
+    vec3 color = texture(u_EquirectangularMap, uv).rgb;
+    o_FragColor = vec4(color, 1.0);
 }
diff --git a/Assets/Shaders/Grid.glsl b/Assets/Shaders/Grid.glsl
new file mode 100644
index 0000000..32c091a
--- /dev/null
+++ b/Assets/Shaders/Grid.glsl
@@ -0,0 +1,41 @@
+#type vertex
+
+#version 330 core
+
+layout(location = 0) in vec3 a_Position;
+
+uniform mat4 u_ViewProjection;
+uniform mat4 u_Transform;
+uniform float u_GridSize;
+
+void main()
+{
+    // Scale the grid based on the grid size uniform
+    vec3 scaledPosition = a_Position * (u_GridSize / 50.0);
+    gl_Position = u_ViewProjection * u_Transform * vec4(scaledPosition, 1.0);
+}
+
+#type fragment
+
+#version 330 core
+
+uniform vec3  u_GridColor;
+uniform float u_GridAlpha;
+uniform float u_GridSize;
+uniform vec3  u_CameraPos;
+
+out vec4 o_FragColor;
+
+void main()
+{
+    float distance  = length(u_CameraPos);
+    float fadeFactor = 1.0 - clamp(distance / 100.0, 0.0, 0.8);
+    
+    vec3 color  = u_GridColor;
+    float alpha = u_GridAlpha * fadeFactor;
+    
+    float gridFade = 1.0 - clamp(distance / 50.0, 0.0, 0.9);
+    alpha *= gridFade;
+    
+    o_FragColor = vec4(color, alpha);
+}
diff --git a/Assets/Shaders/TexturedQuad.glsl b/Assets/Shaders/TexturedQuad.glsl
new file mode 100644
index 0000000..95f433d
--- /dev/null
+++ b/Assets/Shaders/TexturedQuad.glsl
@@ -0,0 +1,28 @@
+#type vertex
+
+#version 330 core
+
+layout (location = 0) in vec2 a_Pos;
+layout (location = 1) in vec2 a_TexCoord;
+
+out vec2 v_TexCoord;
+
+void main() 
+{
+    gl_Position = vec4(a_Pos, 0.0, 1.0);
+    v_TexCoord  = a_TexCoord;
+}
+
+#type fragment
+
+#version 330 core
+
+in  vec2 v_TexCoord;
+out vec4 o_FragColor;
+
+uniform sampler2D u_ScreenTexture;
+
+void main() 
+{
+    o_FragColor = texture(u_ScreenTexture, v_TexCoord);
+}
-- 
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