diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..ebdaee0
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "imgui"]
+	path = imgui
+	url = https://github.com/ocornut/imgui.git
+[submodule "glm"]
+	path = glm
+	url = https://github.com/g-truc/glm.git
diff --git a/glm b/glm
new file mode 160000
index 0000000..7733266
--- /dev/null
+++ b/glm
@@ -0,0 +1 @@
+Subproject commit 7733266417547839ea07b54020d0d32109ecdc0a
diff --git a/imgui b/imgui
new file mode 160000
index 0000000..d851775
--- /dev/null
+++ b/imgui
@@ -0,0 +1 @@
+Subproject commit d851775c80aac7312369739aae6afa25ac31e4ad