diff --git a/shaders/gbuffers_basic.vsh b/shaders/gbuffers_basic.vsh
index 8752f2f..11e87ab 100644
--- a/shaders/gbuffers_basic.vsh
+++ b/shaders/gbuffers_basic.vsh
@@ -2,6 +2,8 @@
 
 #define pixelSize 2 // [1 2 4 8 16]
 
+#define worldCurvature 0 // [0 1 2]
+
 varying vec2 texcoord;
 varying vec4 color;
 varying vec2 lmcoord;
@@ -26,5 +28,9 @@ void main() {
 	#ifdef tWarp
 		texture_warp();
 	#endif
+
+	#ifdef WORLD
+		#include "/module/world.vert"
+	#endif
 }
 
diff --git a/shaders/gbuffers_entities.fsh b/shaders/gbuffers_entities.fsh
new file mode 100644
index 0000000..74dd3ca
--- /dev/null
+++ b/shaders/gbuffers_entities.fsh
@@ -0,0 +1 @@
+#include "/gbuffers_basic.fsh"
diff --git a/shaders/gbuffers_entities.vsh b/shaders/gbuffers_entities.vsh
new file mode 100644
index 0000000..e08a961
--- /dev/null
+++ b/shaders/gbuffers_entities.vsh
@@ -0,0 +1,2 @@
+#define WORLD
+#include "/gbuffers_basic.vsh"
diff --git a/shaders/gbuffers_terrain.fsh b/shaders/gbuffers_terrain.fsh
new file mode 100644
index 0000000..74dd3ca
--- /dev/null
+++ b/shaders/gbuffers_terrain.fsh
@@ -0,0 +1 @@
+#include "/gbuffers_basic.fsh"
diff --git a/shaders/gbuffers_terrain.vsh b/shaders/gbuffers_terrain.vsh
new file mode 100644
index 0000000..e08a961
--- /dev/null
+++ b/shaders/gbuffers_terrain.vsh
@@ -0,0 +1,2 @@
+#define WORLD
+#include "/gbuffers_basic.vsh"
diff --git a/shaders/lang/en_US.lang b/shaders/lang/en_US.lang
index c008789..07b7127 100644
--- a/shaders/lang/en_US.lang
+++ b/shaders/lang/en_US.lang
@@ -44,8 +44,6 @@ value.dofRes.0=Static
 value.dofRes.1=Dynamic
 option.worldCurvature=World Curvature
 value.worldCurvature.0=Off
-value.worldCurvature.1=Chunk
-value.worldCurvature.2=Cylinder
-value.worldCurvature.3=Polyhedron
-value.worldCurvature.4=Sphere
+value.worldCurvature.1=Cylinder
+value.worldCurvature.2=Round
 
diff --git a/shaders/module/world.vert b/shaders/module/world.vert
new file mode 100644
index 0000000..e4abe93
--- /dev/null
+++ b/shaders/module/world.vert
@@ -0,0 +1,8 @@
+#if worldCurvature == 1
+	float z = gl_Position.z * gl_Position.z;
+	gl_Position.y -= z / 256;
+#elif worldCurvature == 2
+	vec2 xz = gl_Position.xz;
+	gl_Position.y -= ceil(( dot(xz, xz) * 5 ) / 512) / 5;
+#endif
+
diff --git a/shaders/shaders.properties b/shaders/shaders.properties
index 291e85f..6889ba6 100644
--- a/shaders/shaders.properties
+++ b/shaders/shaders.properties
@@ -19,7 +19,7 @@ screen.COLOR=colorMode dithering <empty> rgbSteps <empty> <empty> hueSteps satSt
 screen.PSX=vWarp tWarp
 
 #	fx
-screen.FX=dof dofRes
+screen.FX=dof dofRes worldCurvature
 
 #	-- CONDITIONALS --
 gbuffers_hand.enabled=tWarp