Changeset 1618Tweet

Timestamp:

Jul 10, 2012, 1:16:04 AM (10 years ago)

Author:

rez

Message:

letterbox test

Location:

trunk/tools/neercs

Files:

• neercs.cpp (modified) (1 diff)
• video/postfx.lolfx (modified) (3 diffs)

trunk/tools/neercs/neercs.cpp

@@ -154 +154 @@
 
     new Neercs();
-    new DebugFps(5, 15);
+    new DebugFps(2, 2);
     app.ShowPointer(false);
 

trunk/tools/neercs/video/postfx.lolfx

@@ -41 +41 @@
         }
 
+float round_square(in vec2 p,in vec2 b,in float r)
+        {
+        return length(max(abs(p)-b,0.0))-r;
+        }
+
+vec3 letterbox(in vec2 p,in vec3 c)
+        {
+        vec2 b=screen_size*0.3625;
+        float r=screen_size.x*0.2;
+        float f=round_square(p,b,r);
+        return c*clamp(1.0-f,0.0,1.0);
+        }
+
 void main(void)
         {
@@ -78 +91 @@
                 color-=0.0125*mod(z.y*4.0+time*0.25,1.0);                                                               // electron beam
                 color-=(vec3(rnd1,rnd1,rnd1)-vec3(rnd2,rnd2,rnd2))*0.1;                                 // noise
-                color*=0.75+0.25*sin(z.x*float(screen_size.x*2));                                                       // scanline w
+                color*=0.75+0.25*sin(z.x*float(screen_size.x*2));                                               // scanline w
                 color*=0.90+0.10*cos(z.y*float(screen_size.y))*sin(0.5+z.x*float(screen_size.x));       // scanline h
                 }
@@ -87 +100 @@
         color=vec3(color.x*0.875,color.y*1.0,color.z*0.625);
         color*=q.x*(6.0-q.x*6.0)*q.y*(6.0-q.y*6.0);                                                                     // vignetting
+        color=letterbox(p,color);                                                                                                       // letterbox
         gl_FragColor=vec4(color,1.0);
         }