diff --git a/src/main.c b/src/main.c
index 404c622..7bbf969 100644
--- a/src/main.c
+++ b/src/main.c
@@ -78,7 +78,7 @@ void update(void) {
 
     mesh.rotation.x += .01f;
     mesh.rotation.y += .01f;
-    mesh.rotation.z += .01f;
+    mesh.rotation.z += .02f;
 
     int num_faces = array_length(mesh.faces);
     for (int i = 0; i < num_faces; i++) {
diff --git a/src/vector.c b/src/vector.c
index 5b64cf2..c4deb79 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -1,7 +1,45 @@
 #include <math.h>
 #include "vector.h"
 
-// Implement all vector functons
+////////////////////////////////////////////////////////////////////
+/// Vec 2d
+////////////////////////////////////////////////////////////////////
+float vec2_length(vec2_t v) {
+    return sqrt(v.x * v.x + v.y *v.y);
+}
+vec2_t vec2_add(vec2_t a, vec2_t b) {
+    vec2_t result = {
+            .x = a.x + b.x,
+            .y = a.y + b.y,
+    };
+    return result;
+}
+vec2_t vec2_sub(vec2_t a, vec2_t b) {
+    vec2_t result = {
+        .x = a.x - b.x,
+        .y = a.y - b.y,
+    };
+    return result;
+}
+vec2_t vec2_mul(vec2_t a, float factor) {
+    vec2_t result = {
+        .x = a.x * factor,
+        .y = a.y * factor,
+    };
+    return result;
+}
+vec2_t vec2_div(vec2_t a, float factor){
+    vec2_t result = {
+        .x = a.x / factor,
+        .y = a.y / factor,
+    };
+    return result;
+}
+
+
+////////////////////////////////////////////////////////////////////
+// Vec 3d
+////////////////////////////////////////////////////////////////////
 vec3_t vec3_rotate_x(vec3_t v, float angle){
 	vec3_t rotated_vector = {
 		.x = v.x,
@@ -25,4 +63,43 @@ vec3_t vec3_rotate_z(vec3_t v, float angle) {
 		.z = v.z
 	};
 	return rotated_vector;
+}
+float vec3_length(vec3_t v) {
+    return sqrt(v.x * v.x + v.y *v.y + v.z *v.z);
+}
+
+
+vec3_t vec3_add(vec3_t a, vec3_t b) {
+    vec3_t result = {
+        .x = a.x + b.x,
+        .y = a.y + b.y,
+        .z = a.z + b.z,
+    };
+    return result;
+}
+
+vec3_t vec3_sub(vec3_t a, vec3_t b) {
+    vec3_t result = {
+        .x = a.x - b.x,
+        .y = a.y - b.y,
+        .z = a.z - b.z,
+    };
+    return result;
+}
+
+vec3_t vec3_mul(vec3_t a, float factor) {
+    vec3_t result = {
+        .x = a.x * factor,
+        .y = a.y * factor,
+        .z = a.z * factor,
+    };
+    return result;
+}
+vec3_t vec3_div(vec3_t a, float factor){
+    vec3_t result = {
+        .x = a.x / factor,
+        .y = a.y / factor,
+        .z = a.z / factor,
+    };
+    return result;
 }
\ No newline at end of file
diff --git a/src/vector.h b/src/vector.h
index 45a5993..3b99320 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -2,20 +2,38 @@
 #define VECTOR_H
 
 typedef struct {
-  float x;
-  float y;
+  float x, y;
 } vec2_t;
 
 
 typedef struct {
-  float x;
-  float y;
-  float z;
+  float x, y, z;
 } vec3_t;
 
+/////
+// Vec 2d
+/////
+float vec2_length(vec2_t v);
+vec2_t vec2_add(vec2_t a, vec2_t b);
+vec2_t vec2_sub(vec2_t a, vec2_t b);
+vec2_t vec2_mul(vec2_t a, float factor);
+vec2_t vec2_div(vec2_t a, float factor);
+
+
+/////
+// Vec 3d
+/////
 vec3_t vec3_rotate_x(vec3_t v, float angle);
 vec3_t vec3_rotate_y(vec3_t v, float angle);
 vec3_t vec3_rotate_z(vec3_t v, float angle);
+float vec3_length(vec3_t v);
+vec3_t vec3_add(vec3_t a, vec3_t b);
+vec3_t vec3_sub(vec3_t a, vec3_t b);
+vec3_t vec3_mul(vec3_t a, float factor);
+vec3_t vec3_div(vec3_t a, float factor);
+
+
+
 
 
 #endif