diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9bf4933..7e95709 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,7 @@ set(SOURCES
 	src/entity/init.c
 	src/entity/move.c
 	src/wall/init.c
+	src/player/update.c
 	src/player/init.c
 	src/util.c
 )
diff --git a/include/player.h b/include/player.h
index 4a85313..98e504c 100644
--- a/include/player.h
+++ b/include/player.h
@@ -9,4 +9,5 @@ struct Player {
 	float rem_y;
 };
 
-void player_init(struct Player *restrict, int x, int y);
+void player_init(struct Player *, int x, int y);
+void player_update(struct Player *);
diff --git a/include/wall.h b/include/wall.h
index 402735c..9d1da51 100644
--- a/include/wall.h
+++ b/include/wall.h
@@ -5,4 +5,4 @@ struct Wall {
 	struct Entity;
 };
 
-void wall_init(struct Wall *restrict, int x, int y, int width, int height);
+void wall_init(struct Wall *, int x, int y, int width, int height);
diff --git a/src/main.c b/src/main.c
index 803e56f..d91f334 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,5 +1,4 @@
 #include "entity.h"
-#include "layers.h"
 #include "player.h"
 #include "wall.h"
 #include <gint/display.h>
@@ -11,7 +10,6 @@ main(void)
 	struct Player player;
 	struct Player newb;
 	struct Wall walls[5];
-	int collided = 0;
 
 	player_init(&player, 16, 32);
 	player_init(&newb, 64, 128);
@@ -24,12 +22,9 @@ main(void)
 	do {
 		dclear(C_BLACK);
 		entity_grid_draw_hitboxes();
-		dprint(2, 2, C_WHITE, "%d", collided);
 		dupdate();
 		clearevents();
-		collided = entity_move(&player, L_SOLID,
-		                       keydown(KEY_RIGHT) - keydown(KEY_LEFT),
-		                       keydown(KEY_DOWN) - keydown(KEY_UP));
+		player_update(&player);
 	} while (!keydown(KEY_EXIT));
 
 	return;
diff --git a/src/player/init.c b/src/player/init.c
index ec1143c..369750a 100644
--- a/src/player/init.c
+++ b/src/player/init.c
@@ -3,7 +3,7 @@
 #include <gint/display.h>
 
 void
-player_init(struct Player *restrict p, int x, int y)
+player_init(struct Player *p, int x, int y)
 {
 	entity_init(p, x, y, 2, 2, 12, 12, L_PUSHABLE, C_BLUE);
 	p->spd_x = 0.0;
diff --git a/src/player/update.c b/src/player/update.c
new file mode 100644
index 0000000..142ef6c
--- /dev/null
+++ b/src/player/update.c
@@ -0,0 +1,34 @@
+#include "entity.h"
+#include "layers.h"
+#include "player.h"
+#include <gint/keyboard.h>
+
+void
+player_update(struct Player *p)
+{
+	int collided;
+	const int dir_x = keydown(KEY_RIGHT) - keydown(KEY_LEFT);
+	const int dir_y = keydown(KEY_DOWN) - keydown(KEY_UP);
+
+	p->spd_x += dir_x * 0.1;
+	p->spd_y += dir_y * 0.1;
+
+	/* rem */
+	const float spd_n_rem_x = p->spd_x + p->rem_x;
+	const int spd_x = spd_n_rem_x;
+	p->rem_x = spd_n_rem_x - spd_x;
+	const float spd_n_rem_y = p->spd_y + p->rem_y;
+	const int spd_y = spd_n_rem_y;
+	p->rem_y = spd_n_rem_y - spd_y;
+
+	/* move */
+	collided = entity_move(p, L_SOLID, spd_x, spd_y);
+	if (collided & 1) {
+		p->spd_x = 0.0;
+		p->rem_x = 0.0;
+	}
+	if (collided & 2) {
+		p->spd_y = 0.0;
+		p->rem_y = 0.0;
+	}
+}
diff --git a/src/wall/init.c b/src/wall/init.c
index 2919467..4bb93fe 100644
--- a/src/wall/init.c
+++ b/src/wall/init.c
@@ -3,7 +3,7 @@
 #include <gint/display.h>
 
 void
-wall_init(struct Wall *restrict w, int x, int y, int width, int height)
+wall_init(struct Wall *w, int x, int y, int width, int height)
 {
 	entity_init(w, x, y, 0, 0, width, height, L_SOLID, C_DARK);
 }