1 files changed, 28 insertions, 0 deletions
diff --git a/ray.h b/ray.h
new file mode 100644
index 0000000..999923a
--- /dev/null
+++ b/ray.h
@@ -0,0 +1,28 @@
+#ifndef RAY_H
+#define RAY_H
+
+#include "vector.h"
+
+typedef struct {
+    // Start is not unique so it's a pointer to save copying time
+    vector_t *start;
+
+    vector_t direction;
+} ray_t;
+
+typedef struct {
+	vector_t *center;
+	COORD_T radius;
+} sphere_t;
+
+// TODO make this less inconsistent
+typedef struct {
+	vector_t *start;
+	vector_t norm;
+} plane_t;
+
+
+COORD_T ray_intersect_sphere(sphere_t *s, ray_t *ray);
+COORD_T ray_intersect_plane(plane_t *p, ray_t *ray);
+
+#endif