1 files changed, 39 insertions, 0 deletions
diff --git a/engine/src/core-effects/Common/MatDefs/Post/LightScattering15.frag b/engine/src/core-effects/Common/MatDefs/Post/LightScattering15.frag
new file mode 100644
index 0000000..2a5ae26
--- /dev/null
+++ b/engine/src/core-effects/Common/MatDefs/Post/LightScattering15.frag
@@ -0,0 +1,39 @@
+#import "Common/ShaderLib/MultiSample.glsllib"
+
+uniform COLORTEXTURE m_Texture;
+uniform DEPTHTEXTURE m_DepthTexture;
+
+uniform int m_NbSamples;
+uniform float m_BlurStart;
+uniform float m_BlurWidth;
+uniform float m_LightDensity;
+uniform bool m_Display;
+
+in vec2 lightPos;
+in vec2 texCoord;
+
+void main(void)
+{
+   if(m_Display){
+
+       vec4 colorRes= getColor(m_Texture,texCoord);
+       float factor=(m_BlurWidth/float(m_NbSamples-1.0));
+       float scale;
+       vec2 texCoo=texCoord-lightPos;
+       vec2 scaledCoord;
+       vec4 res = vec4(0.0);
+       for(int i=0; i<m_NbSamples; i++) {
+            scale = i * factor + m_BlurStart ;
+            scaledCoord=texCoo*scale+lightPos;            
+            if(fetchTextureSample(m_DepthTexture, scaledCoord,0).r==1.0){
+                res += fetchTextureSample(m_Texture,scaledCoord,0);
+            }
+        }
+        res /= m_NbSamples;
+
+        //Blend the original color with the averaged pixels
+        gl_FragColor =mix( colorRes, res, m_LightDensity);
+    }else{
+        gl_FragColor= getColor(m_Texture,texCoord);
+    }
+}