diff --git a/main.odin b/main.odin
index f19726e..1c2ce74 100644
--- a/main.odin
+++ b/main.odin
@@ -2,7 +2,6 @@ package main
 
 import "core:fmt"
 import "core:image/png"
-import "util"
 import "vendor:sdl3"
 
 WIDTH :: 1600
@@ -25,29 +24,13 @@ main :: proc() {
 	assert(window != nil)
 	defer sdl3.DestroyWindow(window)
 
-	render := sdl3.CreateRenderer(window, "opengl")
+	render := sdl3.CreateRenderer(window, "vulkan")
 
 	assert(render != nil)
 
 	units := make([dynamic]Unit)
-	append(
-		&units,
-		Unit {
-			faction = Faction.Allied,
-			position = util.Position{x = 500, y = 500},
-			velocity = DEFAULT_VELOCITY,
-			hp = 100,
-		},
-	)
-	append(
-		&units,
-		Unit {
-			faction = Faction.Enemy,
-			position = util.Position{x = 700, y = 700},
-			velocity = DEFAULT_VELOCITY,
-			hp = 100,
-		},
-	)
+	append(&units, Unit{faction = Faction.Allied, position = Position{x = 500, y = 500}, hp = 100})
+	append(&units, Unit{faction = Faction.Enemy, position = Position{x = 700, y = 700}, hp = 100})
 	input_state := make(map[sdl3.Scancode]bool)
 
 	time := sdl3.GetTicksNS()
@@ -56,12 +39,7 @@ main :: proc() {
 	game := Game {
 		render = render,
 		units = units,
-		player = Unit {
-			faction = Faction.Player,
-			position = util.Position{x = 255, y = 255},
-			velocity = DEFAULT_VELOCITY,
-			hp = 100,
-		},
+		player = Unit{faction = Faction.Player, position = Position{x = 255, y = 255}, hp = 100},
 		time = time,
 		delta = 0.0,
 		input_state = input_state,
diff --git a/util/math.odin b/math.odin
similarity index 59%
rename from util/math.odin
rename to math.odin
index 69b3642..a255820 100644
--- a/util/math.odin
+++ b/math.odin
@@ -1,9 +1,9 @@
-package util
+package main
 
 Position :: struct {
 	x, y: f32,
 }
 
-Velocity :: struct {
+Direction :: struct {
 	x, y: f32,
 }
diff --git a/movement.odin b/movement.odin
index 2e75864..01ba0bd 100644
--- a/movement.odin
+++ b/movement.odin
@@ -1,10 +1,8 @@
 package main
 
 import "core:fmt"
-import "util"
 import "vendor:sdl3"
 
-DEFAULT_VELOCITY: util.Velocity : util.Velocity{x = 0, y = 0}
 SPEED: f32 : 200
 
 HandleInput :: proc(game: ^Game, event: sdl3.Event) {
@@ -17,7 +15,6 @@ MovePlayer :: proc(game: ^Game) {
 	y += game.input_state[sdl3.Scancode.S] ? SPEED : 0
 	x: f32 = game.input_state[sdl3.Scancode.A] ? -SPEED : 0
 	x += game.input_state[sdl3.Scancode.D] ? SPEED : 0
-	game.player.velocity = util.Velocity{x, y}
 
 	game.player.position.y += y * game.delta
 	game.player.position.x += x * game.delta
diff --git a/unit.odin b/unit.odin
index 3bc6d29..1f8ca94 100644
--- a/unit.odin
+++ b/unit.odin
@@ -1,6 +1,5 @@
 package main
 
-import "util"
 import "vendor:sdl3"
 
 Faction :: enum {
@@ -11,8 +10,7 @@ Faction :: enum {
 
 Unit :: struct {
 	faction:  Faction,
-	position: util.Position,
-	velocity: util.Velocity,
+	position: Position,
 	hp:       u32,
 }
 
@@ -33,6 +31,6 @@ RenderUnit :: proc(unit: Unit, game: ^Game) {
 
 Projectile :: struct {
 	faction:   Faction,
-	position:  util.Position,
-	direction: util.Velocity,
+	position:  Position,
+	direction: Direction,
 }