fixed all noise/displacement effects

neercs/video/noise.lolfx

@@ -19,20 +19,21 @@ uniform vec2 offset;
 uniform float noise;
 uniform vec3 retrace;
 
-float rand(in vec2 p)
+float rand(in vec2 p,in float t,in float v)
 	{
-	return fract(sin(dot(p,vec2(12.9898,78.233)))*43758.5453);
+	return fract(sin(dot(p+t,vec2(12.9898,78.233)))*v);
 	}
 
 void main(void)
 	{
 	vec2 p=gl_FragCoord.xy/screen_size.xy;
 
-	float rnd=rand(p+time);
-	vec2 o=(offset-offset*2.0*rnd)/screen_size;
+	float r1=rand(p,time,43758.5453);
+	float r2=rand(p,time,70425.2854);
+	vec2 o=(offset-offset*2.0*r1)/screen_size;
 
 	vec3 c=texture2D(texture,p+o).xyz;						// offset
-	c-=rnd*noise;											// noise
+	c*=1.0+(noise-noise*2.0*r1);							// noise
 	c-=retrace.x*mod(p.y*retrace.y+time*retrace.z,1.0);		// retrace
 	gl_FragColor=vec4(c,1.0);
 	}

neercs/video/postfx.lolfx

@@ -83,6 +83,6 @@ void main(void)
 	c*=scanline_h.x+scanline_h.y*cos(z.y*float(screen_size.y*scanline_h.z+scanline_h.w));	// scanline h
 	c*=scanline_v.x+scanline_v.y*cos(z.x*float(screen_size.x*scanline_v.z+scanline_v.w));	// scanline v
 	c*=(mask-vignetting);									// vignetting
-	c*=letterbox(z,corner.x,corner.y);						// letterbox
+	c*=letterbox(z,corner.x,corner.y);						// corner
 	gl_FragColor=vec4(c,1.0);
 	}

neercs/video/render.cpp

@@ -92,9 +92,9 @@ vec2 glow_mix(0.6f,0.4f);       // glow mix [source mix,glow mix]
 vec2 glow_large(2.0f,2.0f);     // large glow radius [center,corner]
 vec2 glow_small(1.0f,1.0f);     // small glow radius [center,corner]
 vec2 blur(0.25f,0.5f);          // glow radius [center,corner]
-vec2 noise_offset(3.0f,3.0f);         // random line [horizontal,vertical]
+vec2 noise_offset(1.5f,1.5f);         // random line [horizontal,vertical]
 float noise_noise = 0.15f;            // noise
-vec3 noise_retrace(0.05f,2.0f,4.0f);  // retrace [strength,length,speed]
+vec3 noise_retrace(0.02f,1.0f,0.5f);  // retrace [strength,length,speed]
 vec2 postfx_deform(0.7f,0.54f);       // deformation [ratio,zoom]
 vec3 postfx_filter(0.8f,0.9f,0.4f);   // color filter [red,green,blue]
 vec3 postfx_color(1.8f,1.5f,0.5f);    // color modifier [brightness,contrast,grayscale]
@@ -183,6 +183,7 @@ char const *setup_text[] = {
         "aberration",
         "",
     "noise",
+        "enable",
         "offset h",
         "offset v",
         "noise",
@@ -190,7 +191,6 @@ char const *setup_text[] = {
         "retrace length",
         "retrace speed",
         "",
-        "",
     "ghost",
         "back x",
         "back y",
@@ -249,8 +249,8 @@ vec4 setup_var[]={ // setup variable [start,end,step,value]
         vec4(0),
     vec4(0), /* blur */
         vec4(0, 1, 1, 1),
-        vec4(0.0f, 2.0f, 0.1f, blur.x),
-        vec4(0.0f, 2.0f, 0.1f, blur.y),
+        vec4(0.0f, 2.0f, 0.05f, blur.x),
+        vec4(0.0f, 2.0f, 0.05f, blur.y),
         vec4(0),
         vec4(0),
         vec4(0),
@@ -275,14 +275,14 @@ vec4 setup_var[]={ // setup variable [start,end,step,value]
         vec4(0.0f, 8.0f, 0.5f, postfx_aberration),
         vec4(0),
     vec4(0), /* noise */
+        vec4( 0, 1, 1, 1),
         vec4(0.0f, 4.0f, 0.50f, noise_offset.x),
         vec4(0.0f, 4.0f, 0.50f, noise_offset.y),
-        vec4(0.0f, 1.0f, 0.05f, noise_noise),
+        vec4(0.0f, 0.5f, 0.25f, noise_noise),
         vec4(0.0f, 0.2f, 0.01f, noise_retrace.x),
         vec4(0.0f, 8.0f, 0.50f, noise_retrace.y),
         vec4(0.0f, 4.0f, 0.25f, noise_retrace.z),
         vec4(0),
-        vec4(0),
     vec4(0), /* ghost */
         vec4(-0.5f, 0.5f, 0.01f, postfx_ghost1.x),
         vec4(-0.5f, 0.5f, 0.01f, postfx_ghost1.y),
@@ -338,10 +338,11 @@ void Render::UpdateVar()
     postfx_color = vec3(setup_var[k].w, setup_var[k + 1].w, setup_var[k + 2].w); k += 3;
     postfx_aberration = setup_var[k].w; k++;
     k += 2; /* noise */
+    m_shader_noise = (setup_var[k].w == 1) ? true : false; k++;
     noise_offset = vec2(setup_var[k].w, setup_var[k + 1].w); k += 2;
     noise_noise = setup_var[k].w; k++;
     noise_retrace = vec3(setup_var[k].w, setup_var[k + 1].w, setup_var[k + 2].w); k += 3;
-    k += 3; /* ghost */
+    k += 2; /* ghost */
     postfx_ghost1 = vec4(setup_var[k].w, setup_var[k + 1].w, setup_var[k + 2].w, setup_var[k + 3].w); k += 4;
     postfx_ghost2 = vec4(setup_var[k].w, setup_var[k + 1].w, setup_var[k + 2].w, setup_var[k + 3].w); k += 4;
     k += 1; /* moire */