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#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;
}
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