PostProcessing

postprocessing.fs

@@ -0,0 +1,45 @@
+#version 330 core
+in vec2 TexCoords;
+out vec4 color;
+
+uniform sampler2D scene;
+uniform vec2 offsets[9];
+uniform int edge_kernel[9];
+uniform float blur_kernel[9];
+
+uniform bool chaos;
+uniform bool confuse;
+uniform bool shake;
+
+
+void main ()
+{
+    color = vec4(0.0, 0.0,0.0,1.0);
+    vec3 sample[9];
+
+    if(chaos || shake)
+        for (int i = 0; i < 9; i++)
+            sample[i] = vec3(texture(scene,TexCoords.st + offsets[i]));
+    
+    // process effects
+    if (chaos) 
+    {
+        for(int i = 0; i < 9; i ++)
+            color += vec4(sample[i] * edge_kernel[i], 0.0);
+        color.a = 1.0;
+    }
+    else if (confuse)
+    {
+        color = vec4(1.0 - texture(scene, TexCoords).rgb, 1.0);
+    }
+    else if (shake)
+    {
+        for (int i = 0; i < 9; i++)
+            color += vec4(sample[i] * blur_kernel[i], 0.0);
+        color.a = 1.0;
+    }
+    else
+    {
+        color = texture(scene, TexCoords);
+    }
+}