diff --git a/CMakeLists.txt b/CMakeLists.txt
index 40bd390..27462cd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,4 +3,4 @@ project(Informatikprojekt C)
 
 set(CMAKE_C_STANDARD 11)
 
-add_executable(Informatikprojekt main.c)
\ No newline at end of file
+add_executable(Informatikprojekt main.c particlesystem.h)
\ No newline at end of file
diff --git a/particlesystem.h b/particlesystem.h
new file mode 100644
index 0000000..3256cf7
--- /dev/null
+++ b/particlesystem.h
@@ -0,0 +1,49 @@
+/*
+ * A vector with three floats
+ */
+struct vector3f
+{
+    float x;
+    float y;
+    float z;
+};
+
+/*
+ * A particle has a position and a direction
+ */
+struct particle
+{
+    struct vector3f position;
+    struct vector3f direction;
+};
+
+/*
+ * An emitter has a position and contains an array of particles
+ */
+struct emitter
+{
+    struct vector3f position;
+    struct particle *particles;
+    int pamount;
+};
+
+/*
+ * A particle system consists of one or more emitter
+ */
+struct particle_system
+{
+    struct emitter *emitters;
+    int eamount;
+};
+
+/*
+ *
+ */
+int initParticle(struct vector3f pos, struct vector3f dir);
+
+/*
+ *
+ */
+int initVector3f(int x, int y, int z);
+
+