1 files changed, 20 insertions, 0 deletions
diff --git a/src/ray.h b/src/ray.h
new file mode 100644
index 0000000..8ad2638
--- /dev/null
+++ b/src/ray.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+typedef struct {
+    float x, y;
+} v2;
+
+typedef struct {
+    int x, y;
+} v2i;
+
+
+float v2_cross(v2 a, v2 b);
+float v2_len(v2 a);
+float v2_square_dist(v2 a, v2 b);
+v2 v2_add(v2 a, v2 b);
+
+uint32_t cast_ray(v2 pos, float theta, v2* hit_pos);