paint correct chalk mark for y < 0

Author: DaFuqs

gradle.properties

@@ -8,7 +8,7 @@ yarn_mappings=1.17.1+build.61
 loader_version=0.12.0
 
 # Mod Properties
-mod_version=1.0.1
+mod_version=1.0.2
 maven_group=de.dafuqs.chalk
 archives_base_name=chalk
 

src/main/java/de/dafuqs/chalk/chalk/items/ChalkItem.java

@@ -96,11 +96,12 @@ private int getClickedRegion(Vec3d clickLocation, Direction face) {
 
         // Remove whole number: 21.31 => 0.31
         final double fracx = x - (int) x;
+        final double fracy = y - (int) y;
         final double fracz = z - (int) z;
 
         // Normalize negative values
         final double dx = fracx > 0 ? fracx : fracx + 1;
-        final double dy = y - (int) y;
+        final double dy = fracy > 0 ? fracy : fracy + 1;
         final double dz = fracz > 0 ? fracz : fracz + 1;
 
         if (face == Direction.UP || face == Direction.DOWN) {