diff --git a/Makefile.dev b/Makefile.dev
index 1554f73..0e81d16 100644
--- a/Makefile.dev
+++ b/Makefile.dev
@@ -135,6 +135,7 @@ glsl-glyphs-sentences: sentences.txt ## glsl-glyphs --sentences-only
 		--glyph-names sample/cp437_names.txt \
 		--sentences-only \
 		--sentences-input ../../sentences.txt \
+		--output ../../project/inc_cp437.glsl \
 		--sentences-output ../../project/inc_sentences.glsl
 
 .PHONY: glsl-glyphs-dungeon
diff --git a/project/inc_src.glsl b/project/inc_src.glsl
index 890942d..b706ab0 100644
--- a/project/inc_src.glsl
+++ b/project/inc_src.glsl
@@ -3,6 +3,7 @@
 #include inc_functions.glsl
 #include inc_cp437.glsl
 #include inc_sentences.glsl
+#include inc_dungeon.glsl
 
 #ifndef INC_SRC
 #define INC_SRC
@@ -139,21 +140,29 @@ vec4 src_5(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2
 
     // controls
 
-    float zoom = magic(f1, b1, seed + 10.);
-    float voronoi_distort = magic(f2, b2, seed + 20.);
-    float details = magic(f3, b3, seed + 30.);
-    float noise_factor = magic(seed + 40.);
+    float zoom = magic(f1, b1, seed + 10.) * 3. + 3.;
+    float overthrow = magic(f2, b2, seed + 20.) * 30. + 3.;
+    float quantize = (1. - magic(f3, b3, seed + 30.)) * 10. + 1.;
 
     // logic
 
-    vec2 uv2 = uv1;
-    uv2 *= zoom * 20. + 3.;
+    vec2 uv2 = uv1 * zoom + 1000;
     uv2.x += iBeats;
-    vec4 data = voronoi(uv2, voronoi_distort, seed + 50, iBeats);
-    float f = data.x / (data.x + data.y);
-    f = sin(f * PI * (details * 20.)) * .5 + 1.;
-    int nf = int(noise_factor * 6.);
-    f *= mix(1., noise_f(uv2, nf - 1), step(.0, float(nf)));
+
+    float f = 0;
+    f += perlin(uv2 * 1., seed + 00) * .5;
+    f += perlin(uv2 * 2., seed + 10) * .25;
+    f += perlin(uv2 * 4., seed + 10) * .125;
+    f += perlin(uv2 * 8., seed + 10) * .0625;
+    f += perlin(uv2 * 16., seed + 10) * .03125;
+
+    f = (f - 0.5) * 2.;
+
+    f *= overthrow;
+
+    f = round(f * quantize) / quantize;
+
+    f = (f + 1.0) * 0.5;
 
     return vec4(f);
 }
@@ -286,7 +295,7 @@ vec4 src_9(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2
     ivec2 uv2i = ivec2(uv2);
     int code = ((charset_ctrl.y < 1. || (uv2i.x % 2 ^ uv2i.y % 2) > 0) ? 1 : 0) * (start_char + int((rand(uv2i) + char_delta) * char_span) % char_span);
     uv2 = mod(uv2, 1.);
-    float f = cp437(uv2, code) ? 1. : 0.;
+    float f = dungeon(uv2, code) ? 1. : 0.;
 
     return vec4(f);
 }