Improved default scene: skysphere + post-processing + better grid

Resources/Editor/Shaders/Grid.ovfx

@@ -7,11 +7,11 @@ layout (location = 2) in vec3 geo_Normal;
 
 layout (std140) uniform EngineUBO
 {
-    mat4    ubo_Model;
-    mat4    ubo_View;
-    mat4    ubo_Projection;
-    vec3    ubo_ViewPos;
-    float   ubo_Time;
+    mat4 ubo_Model;
+    mat4 ubo_View;
+    mat4 ubo_Projection;
+    vec3 ubo_ViewPos;
+    float ubo_Time;
 };
 
 out VS_OUT
@@ -22,9 +22,8 @@ out VS_OUT
 
 void main()
 {
-    vs_out.FragPos      = vec3(ubo_Model * vec4(geo_Pos, 1.0));
-    vs_out.TexCoords    = vs_out.FragPos.xz;
-
+    vs_out.FragPos = vec3(ubo_Model * vec4(geo_Pos, 1.0));
+    vs_out.TexCoords = vs_out.FragPos.xz;
     gl_Position = ubo_Projection * ubo_View * vec4(vs_out.FragPos, 1.0);
 }
 
@@ -35,11 +34,11 @@ out vec4 FRAGMENT_COLOR;
 
 layout (std140) uniform EngineUBO
 {
-    mat4    ubo_Model;
-    mat4    ubo_View;
-    mat4    ubo_Projection;
-    vec3    ubo_ViewPos;
-    float   ubo_Time;
+    mat4 ubo_Model;
+    mat4 ubo_View;
+    mat4 ubo_Projection;
+    vec3 ubo_ViewPos;
+    float ubo_Time;
 };
 
 in VS_OUT
@@ -50,49 +49,55 @@ in VS_OUT
 
 uniform vec3 u_Color;
 
-float MAG(float p_lp)
+float MAG(float lineWidth, float p_lp)
 {
-  const float lineWidth = 1.0f;
-
-  const vec2 coord       = fs_in.TexCoords / p_lp;
-  const vec2 grid        = abs(fract(coord - 0.5) - 0.5) / fwidth(coord);
-  const float line       = min(grid.x, grid.y);
-  const float lineResult = lineWidth - min(line, lineWidth);
-
-  return lineResult;
+    const vec2 coord = fs_in.TexCoords / p_lp;
+    const vec2 grid = abs(fract(coord - 0.5) - 0.5) / fwidth(coord);
+    const float line = min(grid.x, grid.y);
+    const float lineResult = lineWidth - min(line, lineWidth);
+    return lineResult;
 }
 
-float Grid(float height, float a, float b, float c)
+float Grid(float lineWidth, float height, float a, float b, float c)
 {
-  const float cl   = MAG(a);
-  const float ml   = MAG(b);
-  const float fl   = MAG(c);
-
-  const float cmit =  10.0f;
-  const float cmet =  40.0f;
-  const float mfit =  80.0f;
-  const float mfet =  160.0f;
-
-  const float df   = clamp((height - cmit) / (cmet - cmit), 0.0f, 1.0f);
-  const float dff  = clamp((height - mfit) / (mfet - mfit), 0.0f, 1.0f);
-
-  const float inl  = mix(cl, ml, df);
-  const float fnl  = mix(inl, fl, dff);
-
-  return fnl;
+    const float cl = MAG(lineWidth, a);
+    const float ml = MAG(lineWidth, b);
+    const float fl = MAG(lineWidth, c);
+    const float cmit = 10.0f;
+    const float cmet = 40.0f;
+    const float mfit = 80.0f;
+    const float mfet = 160.0f;
+    const float df = clamp((height - cmit) / (cmet - cmit), 0.0f, 1.0f);
+    const float dff = clamp((height - mfit) / (mfet - mfit), 0.0f, 1.0f);
+    const float inl = mix(cl, ml, df);
+    const float fnl = mix(inl, fl, dff);
+    return fnl;
 }
 
 void main()
 {
-  const float height = distance(ubo_ViewPos.y, fs_in.FragPos.y);
-
-  const float gridA = Grid(height, 1.0f, 4.0f, 8.0f);
-  const float gridB = Grid(height, 4.0f, 16.0f, 32.0f);
-
-  const float grid  = gridA * 0.5f + gridB;
-
-  const vec2  viewdirW    = ubo_ViewPos.xz - fs_in.FragPos.xz;
-  const float viewdist    = length(viewdirW);
-
-  FRAGMENT_COLOR = vec4(u_Color, grid);
-}
+    const float height = distance(ubo_ViewPos.y, fs_in.FragPos.y);
+    const float gridA = Grid(0.5f, height, 1.0f, 4.0f, 8.0f);
+    const float gridB = Grid(0.7f, height, 4.0f, 16.0f, 32.0f);
+    const float grid = gridA * 0.7f + gridB * 0.7f;
+
+    // Calculate view direction vector (from camera to fragment)
+    const vec3 viewDir = normalize(fs_in.FragPos - ubo_ViewPos);
+
+    // Calculate how parallel the view direction is to the horizon
+    // When looking at horizon, viewDir.y will be close to 0
+    const float horizonFactor = abs(viewDir.y);
+
+    // Define how much we want to fade when looking at horizon
+    const float horizonMinFade = 0.02f; // Minimum fade at horizon
+    const float horizonFadeStart = 0.0f; // Start fading at this angle
+    const float horizonFadeEnd = 1.0f; // Full grid strength at this angle
+
+    // Calculate horizon fade factor (1.0 = full grid, 0.0 = fully faded)
+    const float horizonFade =
+        horizonMinFade
+        + (1.0f - horizonMinFade)
+        * smoothstep(horizonFadeStart, horizonFadeEnd, horizonFactor);
+
+    FRAGMENT_COLOR = vec4(u_Color, grid * horizonFade);
+}

Resources/Engine/Materials/Default.ovmat

@@ -1,43 +1,100 @@
 <root>
-    <shader>:Shaders\Standard.ovfx</shader>
+    <shader>:Shaders\StandardPBR.ovfx</shader>
     <settings>
         <blendable>false</blendable>
         <backface_culling>true</backface_culling>
+        <frontface_culling>false</frontface_culling>
         <depth_test>true</depth_test>
+        <depth_writing>true</depth_writing>
+        <color_writing>true</color_writing>
+        <cast_shadows>true</cast_shadows>
+        <receive_shadows>true</receive_shadows>
+        <user_interface>false</user_interface>
         <gpu_instances>1</gpu_instances>
-        <cast_shadows>1</cast_shadows>
-        <receive_shadows>1</receive_shadows>
     </settings>
     <uniforms>
         <uniform>
-            <name>diffuseColor</name>
+            <name>_LightSpaceMatrix</name>
+        </uniform>
+        <uniform>
+            <name>_ShadowMap</name>
+            <value>?</value>
+        </uniform>
+        <uniform>
+            <name>u_Albedo</name>
             <value>
                 <x>1</x>
-                <y>0.99998999</y>
-                <z>0.99998999</z>
-                <w>0</w>
+                <y>1</y>
+                <z>1</z>
+                <w>1</w>
             </value>
         </uniform>
         <uniform>
-            <name>diffuseTexture</name>
+            <name>u_AlbedoMap</name>
             <value>?</value>
         </uniform>
         <uniform>
-            <name>specularColor</name>
-            <value>
-                <x>1e-06</x>
-                <y>9.9998999e-07</y>
-                <z>9.9998999e-07</z>
-                <w>0</w>
-            </value>
+            <name>u_AlphaClippingThreshold</name>
+            <value>0.1</value>
+        </uniform>
+        <uniform>
+            <name>u_AmbientOcclusionMap</name>
+            <value>?</value>
         </uniform>
         <uniform>
-            <name>shineness</name>
-            <value>64</value>
+            <name>u_HeightMap</name>
+            <value>?</value>
+        </uniform>
+        <uniform>
+            <name>u_HeightScale</name>
+            <value>0.050000001</value>
+        </uniform>
+        <uniform>
+            <name>u_MaskMap</name>
+            <value>?</value>
+        </uniform>
+        <uniform>
+            <name>u_Metallic</name>
+            <value>0</value>
         </uniform>
         <uniform>
-            <name>specularTexture</name>
+            <name>u_MetallicMap</name>
             <value>?</value>
         </uniform>
+        <uniform>
+            <name>u_NormalMap</name>
+            <value>?</value>
+        </uniform>
+        <uniform>
+            <name>u_ParallaxClipEdges</name>
+            <value>0</value>
+        </uniform>
+        <uniform>
+            <name>u_Roughness</name>
+            <value>0.5</value>
+        </uniform>
+        <uniform>
+            <name>u_RoughnessMap</name>
+            <value>?</value>
+        </uniform>
+        <uniform>
+            <name>u_ShadowClippingThreshold</name>
+            <value>0.5</value>
+        </uniform>
+        <uniform>
+            <name>u_TextureOffset</name>
+            <value>
+                <x>0</x>
+                <y>0</y>
+            </value>
+        </uniform>
+        <uniform>
+            <name>u_TextureTiling</name>
+            <value>
+                <x>1</x>
+                <y>1</y>
+            </value>
+        </uniform>
     </uniforms>
+    <features></features>
 </root>

Resources/Engine/Materials/Skysphere.ovmat

@@ -0,0 +1,45 @@
+<root>
+    <shader>:Shaders\Skysphere.ovfx</shader>
+    <settings>
+        <blendable>false</blendable>
+        <backface_culling>false</backface_culling>
+        <frontface_culling>true</frontface_culling>
+        <depth_test>true</depth_test>
+        <depth_writing>false</depth_writing>
+        <color_writing>true</color_writing>
+        <cast_shadows>false</cast_shadows>
+        <receive_shadows>false</receive_shadows>
+        <user_interface>false</user_interface>
+        <gpu_instances>1</gpu_instances>
+    </settings>
+    <uniforms>
+        <uniform>
+            <name>u_Diffuse</name>
+            <value>
+                <x>1</x>
+                <y>1</y>
+                <z>1</z>
+                <w>1</w>
+            </value>
+        </uniform>
+        <uniform>
+            <name>u_DiffuseMap</name>
+            <value>:Textures\PureSky.hdr</value>
+        </uniform>
+        <uniform>
+            <name>u_TextureOffset</name>
+            <value>
+                <x>0</x>
+                <y>0</y>
+            </value>
+        </uniform>
+        <uniform>
+            <name>u_TextureTiling</name>
+            <value>
+                <x>1</x>
+                <y>1</y>
+            </value>
+        </uniform>
+    </uniforms>
+    <features></features>
+</root>

Resources/Engine/Shaders/Skysphere.ovfx

@@ -0,0 +1,66 @@
+#feature OUTLINE_PASS
+#feature PICKING_PASS
+
+#shader vertex
+#version 450 core
+
+#include ":Shaders/Common/Buffers/EngineUBO.ovfxh"
+#include ":Shaders/Common/Utils.ovfxh"
+
+layout (location = 0) in vec3 geo_Pos;
+layout (location = 1) in vec2 geo_TexCoords;
+
+out VS_OUT
+{
+    vec3 FragPos;
+    vec2 TexCoords;
+} vs_out;
+
+void main()
+{
+    vs_out.FragPos = ubo_ViewPos + geo_Pos * 1000.0f;
+    vs_out.TexCoords = geo_TexCoords;
+
+    gl_Position = ubo_Projection * ubo_View * vec4(vs_out.FragPos, 1.0);
+}
+
+#shader fragment
+#version 450 core
+
+#include ":Shaders/Common/Buffers/EngineUBO.ovfxh"
+#include ":Shaders/Common/Utils.ovfxh"
+
+in VS_OUT
+{
+    vec3 FragPos;
+    vec2 TexCoords;
+} fs_in;
+
+uniform vec4 u_Diffuse = vec4(1.0);
+uniform sampler2D u_DiffuseMap;
+uniform vec2 u_TextureTiling = vec2(1.0);
+uniform vec2 u_TextureOffset = vec2(0.0);
+
+#if defined(PICKING_PASS)
+uniform vec4 _PickingColor;
+#endif
+
+#if defined(OUTLINE_PASS)
+uniform vec4 _OutlineColor;
+#endif
+
+out vec4 FRAGMENT_COLOR;
+
+void main()
+{
+#if defined(PICKING_PASS)
+    // The skysphere cannot be picked.
+    discard;
+#elif defined(OUTLINE_PASS)
+    // The skysphere cannot be outlined.
+    discard;
+#else
+    vec2 texCoords = TileAndOffsetTexCoords(fs_in.TexCoords, u_TextureTiling, u_TextureOffset);
+    FRAGMENT_COLOR = texture(u_DiffuseMap, texCoords) * u_Diffuse;
+#endif
+}

Resources/Engine/Textures/PureSky.hdr.meta

@@ -0,0 +1 @@
+ENABLE_MIPMAPPING=false

Sources/Overload/OvCore/include/OvCore/Rendering/PostProcess/BloomEffect.h

@@ -17,7 +17,7 @@ namespace OvCore::Rendering::PostProcess
 	*/
 	struct BloomSettings : public EffectSettings
 	{
-		float threshold = 0.8f;
+		float threshold = 1.0f;
 		float radius = 5.0f;
 		int kernelSize = 6;
 		float intensity = 0.6f;