Add whatever I was working on for the last month

1 files changed, 62 insertions, 0 deletions

diff --git a/core/aabb.cc b/core/aabb.cc
new file mode 100644
index 0000000..48070fe
--- /dev/null
+++ b/core/aabb.cc
@@ -0,0 +1,62 @@
+#include "core/pch.hh"
+#include "core/aabb.hh"
+
+AABB::AABB(const glm::fvec3 &min, const glm::fvec3 &max)
+{
+    set_bounds(min, max);
+}
+
+void AABB::set_bounds(const glm::fvec3 &min, const glm::fvec3 &max)
+{
+    this->min = min;
+    this->max = max;
+}
+
+void AABB::set_offset(const glm::fvec3 &base, const glm::fvec3 &size)
+{
+    this->min = base;
+    this->max = base + size;
+}
+
+bool AABB::contains(const glm::fvec3 &point) const
+{
+    if((point.x < min.x) || (point.x > max.x))
+        return false;
+    if((point.y < min.y) || (point.y > max.y))
+        return false;
+    if((point.z < min.z) || (point.z > max.z))
+        return false;
+    return true;
+}
+
+bool AABB::intersect(const AABB &other_box) const
+{
+    if((min.x >= other_box.max.x) || (max.x <= other_box.min.x))
+        return false;
+    if((min.y >= other_box.max.y) || (max.y <= other_box.min.y))
+        return false;
+    if((min.z >= other_box.max.z) || (max.z <= other_box.min.z))
+        return false;
+    return true;
+}
+
+AABB AABB::combine_with(const AABB &other_box) const
+{
+    AABB result;
+    result.set_bounds(min, other_box.max);
+    return result;
+}
+
+AABB AABB::multiply_with(const AABB &other_box) const
+{
+    AABB result;
+    result.set_bounds(other_box.min, max);
+    return result;
+}
+
+AABB AABB::push(const glm::fvec3 &vector) const
+{
+    AABB result;
+    result.set_bounds(min + vector, max + vector);
+    return result;
+}