1 files changed, 56 insertions, 0 deletions
diff --git a/Runtime/Interfaces/IRaycast.cpp b/Runtime/Interfaces/IRaycast.cpp
new file mode 100644
index 0000000..b910856
--- /dev/null
+++ b/Runtime/Interfaces/IRaycast.cpp
@@ -0,0 +1,56 @@
+#include "UnityPrefix.h"
+#include "IRaycast.h"
+#include "Runtime/Geometry/Intersection.h"
+#include "Runtime/Geometry/AABB.h"
+#include "Runtime/Dynamics/PhysicsManager.h"
+#include <limits>
+
+// Test if ray intersects at least one of the aabbs
+bool IRaycast::IntersectAny( const Ray& ray, float maxDistance, AABB* shapeBounds, size_t shapeCount )
+{
+	const Vector3f halfDir = ray.GetDirection() * maxDistance * 0.5;
+	const AABB rayBounds(ray.GetOrigin() + halfDir, Abs(halfDir));
+	for (size_t s = 0; s < shapeCount; ++s)
+	{
+		if (IntersectAABBAABBInclusive(rayBounds, shapeBounds[s]))
+			return true;
+	}
+	return false;
+}
+
+// Test if ray intersects at least one of the aabbs
+bool IRaycast::IntersectAny( const BatchedRaycast& ray, AABB* shapeBounds, size_t shapeCount )
+{
+	const Vector3f halfDir = (ray.to-ray.from) * 0.5;
+	const AABB rayBounds(ray.from + halfDir, Abs(halfDir));
+	for (size_t s = 0; s < shapeCount; ++s)
+	{
+		if (IntersectAABBAABBInclusive(rayBounds, shapeBounds[s]))
+			return true;
+	}
+	return false;
+}
+
+// AABB of ray segments expanded with particle radius
+MinMaxAABB IRaycast::ComputeBatchAABB( const dynamic_array<BatchedRaycast>& raycasts )
+{
+	MinMaxAABB aabb;
+	for (size_t q = 0; q < raycasts.size(); ++q)
+	{
+		aabb.Encapsulate(raycasts[q].from);
+		aabb.Encapsulate(raycasts[q].to);
+	}	
+	return aabb;
+}
+
+static IRaycast* gRaycaster = NULL;
+
+IRaycast* GetRaycastInterface()
+{
+	return gRaycaster;
+}
+
+void SetRaycastInterface(IRaycast* theInterface)
+{
+	gRaycaster = theInterface;
+}