diff --git a/.gitignore b/.gitignore
index d4fb281..7df9ce2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,3 +39,9 @@
 
 # debug information files
 *.dwo
+
+sim
+.cache/
+
+# created via bear -- make
+compile_commands.json
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..f01ae09
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,17 @@
+CXX = g++
+CXXFLAGS = -Iinclude
+LDFLAGS = -lSDL3
+
+SRC = src/main.cpp \
+      src/gfx/circle.cpp \
+      src/sims/two_bodies.cpp \
+      src/utils/rand.cpp
+
+OUT = sim
+
+$(OUT): $(SRC)
+	$(CXX) $(CXXFLAGS) $(SRC) -o $(OUT) $(LDFLAGS)
+
+clean:
+	rm -f $(OUT)
+
diff --git a/src/main.cpp b/src/main.cpp
index 98074a8..eb54f3d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -5,7 +5,7 @@
 #include <SDL3/SDL_video.h>
 #include <cstdio>
 #include <cstdlib>
-#include "../include/sims.hpp"
+#include "sims.hpp"
 
 bool key_event(SDL_Event e) {
     if (e.type == SDL_EVENT_KEY_DOWN) {
diff --git a/src/sims/two_bodies.cpp b/src/sims/two_bodies.cpp
index 196b7e2..cbf24f1 100644
--- a/src/sims/two_bodies.cpp
+++ b/src/sims/two_bodies.cpp
@@ -1,9 +1,9 @@
 #include <SDL3/SDL.h>
 #include <SDL3/SDL_log.h>
 #include <SDL3/SDL_render.h>
-#include "../../include/sims.hpp"
-#include "../../include/gfx.hpp"
-#include "../../include/utils.hpp"
+#include "sims.hpp"
+#include "gfx.hpp"
+#include "utils.hpp"
 #include <algorithm>
 #include <cmath>
 #include <cstdint>