diff --git a/include/camera.h b/include/camera.h
index 67f2175..0dea443 100644
--- a/include/camera.h
+++ b/include/camera.h
@@ -3,8 +3,7 @@
 
 #include "vec.h"
 
-typedef struct Camera
-{
+typedef struct Camera {
 	Vec pos;
 	Vec offset; /* adjusted pixel offset based on pos */
 	Vec *target; /* the target position to lerp on */
diff --git a/include/input.h b/include/input.h
index 818b379..e31087b 100644
--- a/include/input.h
+++ b/include/input.h
@@ -21,8 +21,7 @@ enum {
 	S_UP		/* 3 */
 };
 
-typedef struct Input
-{
+typedef struct Input {
 	uint8_t keys[KEYS_COUNT];
 	uint8_t states[KEYS_COUNT];
 } Input;
diff --git a/include/level.h b/include/level.h
index 03cb74d..9a4d16e 100644
--- a/include/level.h
+++ b/include/level.h
@@ -3,8 +3,7 @@
 
 #include <gint/defs/types.h>
 
-typedef struct Level
-{
+typedef struct Level {
 	int width;  /* in tiles */
 	int height; /* in tiles */
 	const uint8_t **layers; /* points toward the level content */
diff --git a/include/player.h b/include/player.h
index 355b9cb..4fb7545 100644
--- a/include/player.h
+++ b/include/player.h
@@ -3,8 +3,7 @@
 
 #include "vec.h"
 
-typedef struct Player
-{
+typedef struct Player {
 	Vec pos;
 	Vec hbox; /* the bottom left corner of the player's hitbox */
 	Vec vbox; /* the bottom left corner of the player's visual box */
diff --git a/include/vec.h b/include/vec.h
index 8fe076e..2567587 100644
--- a/include/vec.h
+++ b/include/vec.h
@@ -1,8 +1,7 @@
 #ifndef _DEF_VEC
 #define _DEF_VEC
 
-typedef struct Vec
-{
+typedef struct {
 	int x;
 	int y;
 } Vec;
diff --git a/src/camera.c b/src/camera.c
index acd3c67..09ad05f 100644
--- a/src/camera.c
+++ b/src/camera.c
@@ -6,8 +6,7 @@
 #include "player.h"
 #include "level.h"
 
-void camera_step(Camera *camera)
-{
+void camera_step(Camera *camera) {
 	/* lerp towards target */
 	vec_lerp(&camera->pos, *camera->target, camera->speed);
 	/* put the camera in the right place */
@@ -19,26 +18,23 @@ void camera_step(Camera *camera)
 	vec_sub(offset, VEC_SCALED_DCENTER);
 }
 
-void camera_init(Camera *camera, Player *player, const Level *level)
-{
+void camera_init(Camera *camera, Player *player, const Level *level) {
 	/* NOTE: This system doesn't totally works, but it's good enough for now. */
 	/* check level size */
 	const Vec level_dim = {level->width * (TILE_SIZE / VEC_PRECISION * SCALE),
 		level->height * (TILE_SIZE / VEC_PRECISION * SCALE)};
-	if (level_dim.x > DWIDTH || level_dim.y > DHEIGHT)
-	{
+	if (level_dim.x > DWIDTH || level_dim.y > DHEIGHT) {
 		/* level cannot be displayed on a single screen */
 		/* calculate min and max */
 		vec_cpy(&camera->min, VEC_SCALED_DCENTER);
 		vec_mul(&camera->min, VEC_PRECISION);
-		vec_cpy(&camera->max, (Vec){0, 0});
+		vec_cpy(&camera->max, (Vec){ 0, 0 });
 		vec_sub(&camera->max, VEC_SCALED_DCENTER);
 		vec_mul(&camera->max, VEC_PRECISION);
-		vec_add(&camera->max, (Vec){TILE_SIZE * level->width, TILE_SIZE * level->height});
+		vec_add(&camera->max, (Vec){ TILE_SIZE * level->width, TILE_SIZE * level->height });
 		vec_cpy(&camera->pos, player->pos);
 	}
-	else
-	{
+	else {
 		/* level is single screen */
 		/* We calculate the offset and setup the camera to center everything. */
 		const Vec screen_center_precise = {level->width * TILE_SIZE / 2,
@@ -49,8 +45,7 @@ void camera_init(Camera *camera, Player *player, const Level *level)
 	vec_clamp(&camera->pos, camera->min, camera->max);
 }
 
-void camera_draw_debug(Camera *camera)
-{
+void camera_draw_debug(Camera *camera) {
 	dprint(0, 0, C_BLACK, "-x: %d, -y: %d", camera->min.x, camera->min.y);
 	dprint(0, 10, C_BLACK, "+x: %d, +y: %d", camera->max.x, camera->max.y);
 	dprint(0, 20, C_BLACK, "cx: %d, cy: %d", camera->pos.x, camera->pos.y);
diff --git a/src/collide.c b/src/collide.c
index fe66488..7709b26 100644
--- a/src/collide.c
+++ b/src/collide.c
@@ -5,94 +5,78 @@
 #include "conf.h"
 #include "level.h"
 
-uint8_t collide_point(Vec point, const Level *level, uint layer_id)
-{
+uint8_t collide_point(Vec point, const Level *level, uint layer_id) {
 	Vec cursor; /* the final position to test */
 	vec_cpy(&cursor, point);
 	vec_div(&cursor, TILE_SIZE); /* get the expected tile ID */
 	if (point.x < 0 || point.y < 0 ||
-		cursor.x >= level->width || cursor.y >= level->height)
-	{
+		cursor.x >= level->width || cursor.y >= level->height) {
 		return 0; /* the point is out of bounds */
 	}
-	else
-	{
+	else {
 		return level->layers[layer_id][cursor.x + cursor.y * level->width];
 	}
 }
 
-bool collide_right(Player *player, Vec position, const Level *level, uint layer_id)
-{
+bool collide_right(Player *player, Vec position, const Level *level, uint layer_id) {
 	Vec pos;
 	vec_cpy(&pos, position);
 	vec_sub(&pos, player->origin);
 	pos.x += player->hbox.x;
-	if (collide_point(pos, level, layer_id))
-	{
+	if (collide_point(pos, level, layer_id)) {
 		return true;
 	}
 	pos.y += player->hbox.y;
-	if (collide_point(pos, level, layer_id))
-	{
+	if (collide_point(pos, level, layer_id)) {
 		return true;
 	}
 	return false;
 }
 
-bool collide_left(Player *player, Vec position, const Level *level, uint layer_id)
-{
+bool collide_left(Player *player, Vec position, const Level *level, uint layer_id) {
 	Vec pos;
 	vec_cpy(&pos, position);
 	vec_sub(&pos, player->origin);
-	if (collide_point(pos, level, layer_id))
-	{
+	if (collide_point(pos, level, layer_id)) {
 		return true;
 	}
 	pos.y += player->hbox.y;
-	if (collide_point(pos, level, layer_id))
-	{
+	if (collide_point(pos, level, layer_id)) {
 		return true;
 	}
 	return false;
 }
 
-bool collide_down(Player *player, Vec position, const Level *level, uint layer_id)
-{
+bool collide_down(Player *player, Vec position, const Level *level, uint layer_id) {
 	Vec pos;
 	vec_cpy(&pos, position);
 	vec_sub(&pos, player->origin);
 	pos.y += player->hbox.y;
-	if (collide_point(pos, level, layer_id))
-	{
+	if (collide_point(pos, level, layer_id)) {
 		return true;
 	}
 	pos.x += player->hbox.x;
-	if (collide_point(pos, level, layer_id))
-	{
+	if (collide_point(pos, level, layer_id)) {
 		return true;
 	}
 	return false;
 }
 
-bool collide_up(Player *player, Vec position, const Level *level, uint layer_id)
-{
+bool collide_up(Player *player, Vec position, const Level *level, uint layer_id) {
 	Vec pos;
 	vec_cpy(&pos, position);
 	vec_sub(&pos, player->origin);
-	if (collide_point(pos, level, layer_id))
-	{
+	if (collide_point(pos, level, layer_id)) {
 		return true;
 	}
 	pos.x += player->hbox.x;
-	if (collide_point(pos, level, layer_id))
-	{
+	if (collide_point(pos, level, layer_id)) {
 		return true;
 	}
 	return false;
 }
 
-bool collide_full(Player *player, Vec position, const Level *level, uint layer_id)
-{
+bool collide_full(Player *player, Vec position, const Level *level, uint layer_id) {
 	return collide_up(player, position, level, layer_id) ||
 		collide_down(player, position, level, layer_id);
 }
diff --git a/src/init.c b/src/init.c
index bb7e567..ef1b3f5 100644
--- a/src/init.c
+++ b/src/init.c
@@ -1,7 +1,6 @@
 #include "init.h"
 
-void init()
-{
+void init() {
 	#ifdef FX9860G
 	dgray(DGRAY_ON);
 	#endif /* FX9860G */
diff --git a/src/input.c b/src/input.c
index d582b9c..d374da6 100644
--- a/src/input.c
+++ b/src/input.c
@@ -3,46 +3,38 @@
 
 #include "input.h"
 
-void input_step(Input *input)
-{
+void input_step(Input *input) {
 	/* read all inputs */
 	clearevents();
 	/* for each key, update it's state */
-	for (int i = 0; i < KEYS_COUNT; ++i)
-	{
+	for (int i = 0; i < KEYS_COUNT; ++i) {
 		uint8_t *state = &input->states[i];
 		uint8_t key = input->keys[i];
 		/* get if the key is pressed */
 		bool pressed = keydown(key);
 		/* update input status */
-		if (pressed)
-		{
+		if (pressed) {
 			*state = (*state == S_RELEASED || *state == S_UP) ? S_PRESSED : S_DOWN;
 		}
-		else
-		{
+		else {
 			*state =  (*state == S_PRESSED || *state == S_DOWN) ? S_RELEASED : S_UP;
 		}
 	}
 }
 
-void input_init(Input *input)
-{
+void input_init(Input *input) {
 	input->keys[K_LEFT] = KEY_LEFT;
 	input->keys[K_RIGHT] = KEY_RIGHT;
 	input->keys[K_UP] = KEY_UP;
 	input->keys[K_DOWN] = KEY_DOWN;
 	input->keys[K_EXIT] = KEY_EXIT;
-	for (int i = 0; i < KEYS_COUNT; ++i)
-	{
+	for (int i = 0; i < KEYS_COUNT; ++i) {
 		input->states[i] = S_UP;
 	}
 }
 
-void input_draw_debug(Input *input)
-{
-	for (int i = 0; i < KEYS_COUNT; ++i)
-	{
+void input_draw_debug(Input *input) {
+	for (int i = 0; i < KEYS_COUNT; ++i) {
 		dprint(0, i * 10, C_BLACK, "%d", i);
 		dprint(16, i * 10, C_BLACK, "%d", input->states[i]);
 		dprint(32, i * 10, C_BLACK, "D%d", input_is_down(input, i));
@@ -53,22 +45,18 @@ void input_draw_debug(Input *input)
 	}
 }
 
-bool input_is_pressed(Input *input, uint8_t key)
-{
+bool input_is_pressed(Input *input, uint8_t key) {
 	return input->states[key] == S_PRESSED;
 }
 
-bool input_is_down(Input *input, uint8_t key)
-{
+bool input_is_down(Input *input, uint8_t key) {
 	return (input->states[key] == S_DOWN) || (input->states[key] == S_PRESSED);
 }
 
-bool input_is_released(Input *input, uint8_t key)
-{
+bool input_is_released(Input *input, uint8_t key) {
 	return input->states[key] == S_RELEASED;
 }
 
-bool input_is_up(Input *input, uint8_t key)
-{
+bool input_is_up(Input *input, uint8_t key) {
 	return (input->states[key] == S_UP) || (input->states[key] == S_RELEASED);
 }
diff --git a/src/level.c b/src/level.c
index e14014a..9cf2cf1 100644
--- a/src/level.c
+++ b/src/level.c
@@ -6,17 +6,14 @@
 
 #define VEC_PRECISE_HALF_DISP (Vec){DWIDTH * VEC_PRECISION / (2 * SCALE), DHEIGHT * VEC_PRECISION / (2 * SCALE)}
 
-void level_step(const Level *level)
-{
+void level_step(const Level *level) {
 }
 
-void level_draw(const Level *level, Camera *camera)
-{
+void level_draw(const Level *level, Camera *camera) {
 	layer_draw(level, camera, 0);
 }
 
-void layer_draw(const Level *level, Camera *camera, uint layer_id)
-{
+void layer_draw(const Level *level, Camera *camera, uint layer_id) {
 	const uint8_t *layer = level->layers[layer_id];
 	Vec display_tl, display_br;
 	vec_cpy(&display_tl, camera->pos);
@@ -29,10 +26,8 @@ void layer_draw(const Level *level, Camera *camera, uint layer_id)
 	int start_y = (display_tl.y > 0) ? display_tl.y : 0;
 	int end_x = (display_br.x < level->width) ? display_br.x + 1 : level->width;
 	int end_y = (display_br.y < level->height) ? display_br.y + 1 : level->height;
-	for (int y = start_y; y < end_y; ++y)
-	{
-		for (int x = start_x; x < end_x; ++x)
-		{
+	for (int y = start_y; y < end_y; ++y) {
+		for (int x = start_x; x < end_x; ++x) {
 			const uint8_t cell = layer[x + y * level->width];
 			#ifdef FX9860G
 			const int color = C_LIGHT;
@@ -40,8 +35,7 @@ void layer_draw(const Level *level, Camera *camera, uint layer_id)
 			#ifdef FXCG50
 			const int color = C_GREEN;
 			#endif /* FXCG50 */
-			if (cell == 1)
-			{
+			if (cell == 1) {
 				Vec tl = {x, y};
 				Vec br;
 				vec_mul(&tl, TILE_SIZE);
diff --git a/src/main.c b/src/main.c
index 7942850..57d7045 100644
--- a/src/main.c
+++ b/src/main.c
@@ -16,8 +16,7 @@
 #include "input.h"
 #include "gen_levels.h"
 
-int main(void)
-{
+int main(void) {
 	init(); /* initialize gint */
 
 	/* main game loop */
@@ -27,8 +26,7 @@ int main(void)
 	return 1;
 }
 
-int play_level(uint level_id)
-{
+int play_level(uint level_id) {
 	/* create player */
 	Player player = {
 		//.pos = {TILE_SIZE, TILE_SIZE},
@@ -36,7 +34,7 @@ int play_level(uint level_id)
 		.vbox = {6, 6},
 		.origin = {4 * VEC_PRECISION, 4 * VEC_PRECISION}
 	};
-	vec_cpy(&player.pos, player.origin); /* place the player at "0/0"
+	vec_cpy(&player.pos, player.origin); /* place the player at "0/0"*/
 
 	/* set level */
 	const Level *level;
@@ -60,11 +58,9 @@ int play_level(uint level_id)
 
 	uint step = 0;
 
-	while (!input_is_down(&input, K_EXIT))
-	{
+	while (!input_is_down(&input, K_EXIT)) {
 		/* repeat step event so the UPS is constant regardless of FPS */
-		for (int i = 0; i < UPS / FPS; ++i)
-		{
+		for (int i = 0; i < UPS / FPS; ++i) {
 			/* UPS control */
 			while(!has_ticked) sleep();
 			has_ticked = 0;
@@ -78,15 +74,13 @@ int play_level(uint level_id)
 	return 1;
 }
 
-int callback(volatile void *arg)
-{
+int callback(volatile void *arg) {
 	volatile int *has_ticked = arg;
 	*has_ticked = 1;
 	return 0;
 }
 
-void step_event(Player *player, const Level *level, Camera *camera, Input *input, uint step)
-{
+void step_event(Player *player, const Level *level, Camera *camera, Input *input, uint step) {
 	//getkey();
 	input_step(input);
 	player_step(player, input, level);
@@ -94,8 +88,7 @@ void step_event(Player *player, const Level *level, Camera *camera, Input *input
 	camera_step(camera);
 }
 
-void draw_event(Player *player, const Level *level, Camera *camera, Input *input, uint step)
-{
+void draw_event(Player *player, const Level *level, Camera *camera, Input *input, uint step) {
 	dclear(C_WHITE);
 	level_draw(level, camera);
 	player_draw(player, camera);
diff --git a/src/player.c b/src/player.c
index 2cf9cc7..1f58f80 100644
--- a/src/player.c
+++ b/src/player.c
@@ -6,8 +6,10 @@
 #include "input.h"
 #include "collide.h"
 
-void player_step(Player *player, Input *input, const Level *level)
-{
+void player_move(Player *player, const Level *level) {
+}
+
+void player_step(Player *player, Input *input, const Level *level) {
 	Vec move = {
 		(input_is_down(input, K_RIGHT) - input_is_down(input, K_LEFT)),
 		(input_is_down(input, K_DOWN) - input_is_down(input, K_UP))
@@ -23,8 +25,7 @@ void player_step(Player *player, Input *input, const Level *level)
 	}
 }
 
-void player_draw(Player *player, Camera *camera)
-{
+void player_draw(Player *player, Camera *camera) {
 	Vec tl;
 	Vec br;
 	vec_cpy(&tl, player->pos);
@@ -41,8 +42,7 @@ void player_draw(Player *player, Camera *camera)
 	vec_drect(tl, br, C_BLACK);
 }
 
-void player_draw_debug(Player *player, uint step, const Level *level, uint layer_id)
-{
+void player_draw_debug(Player *player, uint step, const Level *level, uint layer_id) {
 	dprint(0, 0, C_BLACK, "x:  %d", player->pos.x);
 	dprint(0, 10, C_BLACK, "y:  %d", player->pos.y);
 	dprint(0, 20, C_BLACK, "vp: %d", VEC_PRECISION);
diff --git a/src/vec.c b/src/vec.c
index 2c1db28..79a5348 100644
--- a/src/vec.c
+++ b/src/vec.c
@@ -2,50 +2,42 @@
 
 #include "vec.h"
 
-void vec_cpy(Vec *destination, Vec source)
-{
+void vec_cpy(Vec *destination, Vec source) {
 	destination->x = source.x;
 	destination->y = source.y;
 }
 
-void vec_add(Vec *vector, Vec force)
-{
+void vec_add(Vec *vector, Vec force) {
 	vector->x += force.x;
 	vector->y += force.y;
 }
 
-void vec_sub(Vec *vector, Vec force)
-{
+void vec_sub(Vec *vector, Vec force) {
 	vector->x -= force.x;
 	vector->y -= force.y;
 }
 
-void vec_mul(Vec *vector, int scale)
-{
+void vec_mul(Vec *vector, int scale) {
 	vector->x *= scale;
 	vector->y *= scale;
 }
 
-void vec_mulf(Vec *vector, float scale)
-{
+void vec_mulf(Vec *vector, float scale) {
 	vector->x *= scale;
 	vector->y *= scale;
 }
 
-void vec_div(Vec *vector, int scale)
-{
+void vec_div(Vec *vector, int scale) {
 	vector->x /= scale;
 	vector->y /= scale;
 }
 
-void vec_divf(Vec *vector, float scale)
-{
+void vec_divf(Vec *vector, float scale) {
 	vector->x /= scale;
 	vector->y /= scale;
 }
 
-void vec_lerp(Vec *from, Vec to, float scale)
-{
+void vec_lerp(Vec *from, Vec to, float scale) {
 	/* from * (1 - scale) + temp * scale */
 	Vec temp;
 	vec_cpy(&temp, to);
@@ -57,15 +49,13 @@ void vec_lerp(Vec *from, Vec to, float scale)
 	vec_add(from, temp);
 }
 
-void vec_clamp(Vec *to_limit, Vec min, Vec max)
-{
+void vec_clamp(Vec *to_limit, Vec min, Vec max) {
 	if (to_limit->x < min.x) to_limit->x = min.x;
 	if (to_limit->y < min.y) to_limit->y = min.y;
 	if (to_limit->x > max.x) to_limit->x = max.x;
 	if (to_limit->y > max.y) to_limit->y = max.y;
 }
 
-void vec_drect(Vec top_left, Vec bottom_right, int color)
-{
+void vec_drect(Vec top_left, Vec bottom_right, int color) {
 	drect(top_left.x, top_left.y, bottom_right.x, bottom_right.y, color);
 }