Rework collision. Possibly fixes #19

1 files changed, 30 insertions, 0 deletions

diff --git a/src/game/shared/world/ray_aabb.hh b/src/game/shared/world/ray_aabb.hh
new file mode 100644
index 0000000..49c0846
--- /dev/null
+++ b/src/game/shared/world/ray_aabb.hh
@@ -0,0 +1,30 @@
+#pragma once
+
+#include "core/math/aabb.hh"
+
+class RayAABB final {
+public:
+    RayAABB(void) = default;
+    explicit RayAABB(const glm::fvec3& start, const glm::fvec3& dir) noexcept;
+
+    constexpr const glm::fvec3& start_pos(void) const noexcept;
+    constexpr const glm::fvec3& direction(void) const noexcept;
+
+    void reset(const glm::fvec3& start, const glm::fvec3& dir) noexcept;
+
+    bool intersect(const math::AABBf& aabb, float& distance, glm::fvec3& surface) const noexcept;
+
+private:
+    glm::fvec3 m_start_pos;
+    glm::fvec3 m_direction;
+};
+
+constexpr const glm::fvec3& RayAABB::start_pos(void) const noexcept
+{
+    return m_start_pos;
+}
+
+constexpr const glm::fvec3& RayAABB::direction(void) const noexcept
+{
+    return m_direction;
+}