1 files changed, 11 insertions, 0 deletions
diff --git a/src/phy_math.h b/src/phy_math.h
new file mode 100644
index 0000000..1110319
--- /dev/null
+++ b/src/phy_math.h
@@ -0,0 +1,11 @@
+#ifndef PHY_MATH
+#define PHY_MATH
+
+typedef struct {
+	float x;
+	float y;
+} Vec2d;
+
+Vec2d vec2d_add(Vec2d v1, Vec2d v2);
+Vec2d vec2d_sub(Vec2d v1, Vec2d )
+#endif