Added baseplate code for fog transition later

Effects/transitions.fx

@@ -367,6 +367,60 @@ float4 doom(float2 st : TEXCOORD0) : COLOR0 {
     return color;
 }
 
+/* NOTE: FBM is a bit heavier than other tasks, so this will have to wait until I'm doing ps_3_0 things.
+
+float fract(float x){return x-floor(x);}
+float mix(float x, float y, float a){return x*(1.-a)+y*a;}
+// This FBM functionality from thebookofshaders.com, unfortunately I don't have time to design my own version currently.
+float random (in float2 st) {
+    return fract(sin(dot(
+                         st.xy,
+                         float2(12.9898,78.233)
+    				))*43758.5453123);
+}
+float noise (in float2 st) {
+    float2 i = floor(st);
+    float2 f = fract(st);
+    float a = random(i);
+    float b = random(i + float2(1.0, 0.0));
+    float c = random(i + float2(0.0, 1.0));
+    float d = random(i + float2(1.0, 1.0));
+    float2 u = f * f * (3.0 - 2.0 * f);
+
+    return mix(a, b, u.x) 
+          +(c - a)* u.y * (1.0 - u.x) 
+          +(d - b) * u.x * u.y;
+}
+#define FBM_OCTAVES 1
+float fbm (in float2 st) {
+    // Initial values
+    float value = 0.0;
+    float amplitude = .5;
+    float frequency = 0.;
+    
+    // Loop of octaves
+    for (int i = 0; i < FBM_OCTAVES; i++) {
+        value += amplitude * noise(st);
+        st *= 2.;
+        amplitude *= .5;
+    }
+    return value;
+}
+// End FBM
+
+float4 fog(float2 st : TEXCOORD0) : COLOR0 {
+	//st=rotate(st,u_time);
+    float2 ce=float2(.5,.5);
+    
+    float4 color = tex2D(uImage0, st);
+    color.a = 1.-length(st-ce)*fbm(st*2.5+uProgress*0.01);
+    
+    //color.r=1.-length(st-ce)*fbm(2.5*st+fbm(st+u_time)+u_time)*6.;
+    //color.r=fbm(2.5*st+fbm(st+u_time));
+
+    return color;
+}*/
+
 technique Technique1
 {
 	pass Lines {PixelShader = compile ps_2_0 lines();}
@@ -383,4 +437,5 @@ technique Technique1
     pass Circle {PixelShader = compile ps_2_0 circle();}
     pass Doors {PixelShader = compile ps_2_0 doors();}
     pass Doom {PixelShader = compile ps_2_0 doom();}
+    // pass Rolling{PixelShader = compile ps_2_0 fog();}
 }