diff --git a/.gitignore b/.gitignore
index adcc8db..dc7fd7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ build-cg
 build-cg/*
 build-fx
 build-fx/*
+JTMM2.g*a
\ No newline at end of file
diff --git a/JTMM2.g3a b/JTMM2.g3a
deleted file mode 100644
index 54a2304..0000000
Binary files a/JTMM2.g3a and /dev/null differ
diff --git a/include/vec.h b/include/vec.h
index 5819956..8b8b185 100644
--- a/include/vec.h
+++ b/include/vec.h
@@ -3,8 +3,8 @@
 
 typedef struct Vec
 {
-	int x;
-	int y;
+	float x;
+	float y;
 } Vec;
 
 /* apply a force on a vector */
diff --git a/src/init.c b/src/init.c
index 586b6a5..e20ee82 100644
--- a/src/init.c
+++ b/src/init.c
@@ -1,5 +1,4 @@
 #include "init.h"
-#include <gint/gray.h>
 
 void init()
 {
diff --git a/src/main.c b/src/main.c
index 9f892cd..3200470 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5,7 +5,7 @@
 
 int main(void)
 {
-	init(); /* initialise gint */
+	init(); /* initialize gint */
 
 	Vec vector_test = {20, -50};
 	vec_add(&vector_test, (Vec){5, -10});