Clumsy non-swept AABB collision system for Player

1 files changed, 17 insertions, 0 deletions

diff --git a/src/Math/AABB.cpp b/src/Math/AABB.cpp
new file mode 100644
index 0000000..aa814a1
--- /dev/null
+++ b/src/Math/AABB.cpp
@@ -0,0 +1,17 @@
+// This file breaks the Ray.hpp <-> AABB.hpp dependency cycle.
+
+#include "AABB.hpp"
+#include "Ray.hpp"
+
+AABB AABB::cast_box(Vector<3> v, AABB against) const {
+    auto ray = Ray{center(), v};
+
+    auto expanded_target = against.sum(*this);
+    auto raycast = ray.cast(expanded_target);
+    if (!raycast.hit) return *this;
+
+    auto result_from = raycast.point - size() / 2.0;
+    auto result_to = result_from + size();
+
+    return {result_from, result_to};
+}