feat: distance field approach

README.md

@@ -1 +1,14 @@
-# wallpaper
+# wallpaper
+
+## Quick start
+
+```console
+$ make
+
+# generate distance field with 50px search radius
+# note that i already ship a generated distance field
+$ ./distance_field_generator ./resources/textures/background_mask.png ./resources/textures/background_distance_field.png 50
+
+# run wallpaper, image paths are customizables
+$ ./wallpaper
+```