Update sprite.rs

Author: HQ2000-Rust

src/graphics/_2d/sprite.rs

@@ -1 +1,10 @@
+use std::marker::PhantomData;
+use cgmath::Point3;
+use cgmath::prelude::*;
 
+//marker structs later
+
+struct Sprite<T> {
+    position: Point3<f32>,
+    _marker: PhantomData<T>,
+}