--- a/shaders/default.f.glsl	Sun Apr 19 00:59:49 2020 -0700
+++ b/shaders/default.f.glsl	Sat May 09 23:39:44 2020 -0700
@@ -1,15 +1,16 @@
 
 uniform sampler2D textures[2];
+uniform mediump vec2 texsize;
 
 varying mediump vec2 texcoord;
 
 void main()
 {
-	mediump vec2 modifiedCoord0 = vec2(texcoord.x, (floor(texcoord.y * 512.0 + 0.25) + 0.5)/512.0);
-	mediump vec2 modifiedCoord1 = vec2(texcoord.x, (floor(texcoord.y * 512.0 - 0.25) + 0.5)/512.0);
+	mediump vec2 modifiedCoord0 = vec2(texcoord.x, (floor(texcoord.y * texsize.y + 0.25) + 0.5)/texsize.y);
+	mediump vec2 modifiedCoord1 = vec2(texcoord.x, (floor(texcoord.y * texsize.y - 0.25) + 0.5)/texsize.y);
 	gl_FragColor = mix(
 		texture2D(textures[1], modifiedCoord1),
 		texture2D(textures[0], modifiedCoord0),
-		(sin(texcoord.y * 1024.0 * 3.14159265359) + 1.0) * 0.5
+		(sin(texcoord.y * texsize.y * 6.283185307) + 1.0) * 0.5
 	);
 }