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Physics2D/PhysWorld2D: Add RaycastQuery and RegionQuery overloads taking a callback

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This commit is contained in:
Lynix
2019-05-27 22:42:37 +02:00
parent 5a893a1124
commit dcfd2ad8f9
5 changed files with 62 additions and 0 deletions
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35
src/Nazara/Physics2D/PhysWorld2D.cpp
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@@ -205,6 +205,27 @@ namespace Nz
}
}
void PhysWorld2D::RaycastQuery(const Nz::Vector2f& from, const Nz::Vector2f& to, float radius, Nz::UInt32 collisionGroup, Nz::UInt32 categoryMask, Nz::UInt32 collisionMask, const std::function<void(const RaycastHit&)>& callback)
{
using CallbackType = const std::function<void(const RaycastHit&)>;
auto cpCallback = [](cpShape* shape, cpVect point, cpVect normal, cpFloat alpha, void* data)
{
CallbackType& callback = *static_cast<CallbackType*>(data);
RaycastHit hitInfo;
hitInfo.fraction = float(alpha);
hitInfo.hitNormal.Set(Nz::Vector2<cpFloat>(normal.x, normal.y));
hitInfo.hitPos.Set(Nz::Vector2<cpFloat>(point.x, point.y));
hitInfo.nearestBody = static_cast<Nz::RigidBody2D*>(cpShapeGetUserData(shape));
callback(hitInfo);
};
cpShapeFilter filter = cpShapeFilterNew(collisionGroup, categoryMask, collisionMask);
cpSpaceSegmentQuery(m_handle, { from.x, from.y }, { to.x, to.y }, radius, filter, cpCallback, const_cast<void*>(static_cast<const void*>(&callback)));
}
bool PhysWorld2D::RaycastQuery(const Nz::Vector2f& from, const Nz::Vector2f& to, float radius, Nz::UInt32 collisionGroup, Nz::UInt32 categoryMask, Nz::UInt32 collisionMask, std::vector<RaycastHit>* hitInfos)
{
using ResultType = decltype(hitInfos);
@@ -259,6 +280,20 @@ namespace Nz
}
}
void PhysWorld2D::RegionQuery(const Nz::Rectf& boundingBox, Nz::UInt32 collisionGroup, Nz::UInt32 categoryMask, Nz::UInt32 collisionMask, const std::function<void(Nz::RigidBody2D*)>& callback)
{
using CallbackType = const std::function<void(Nz::RigidBody2D*)>;
auto cpCallback = [](cpShape* shape, void* data)
{
CallbackType& callback = *static_cast<CallbackType*>(data);
callback(static_cast<Nz::RigidBody2D*>(cpShapeGetUserData(shape)));
};
cpShapeFilter filter = cpShapeFilterNew(collisionGroup, categoryMask, collisionMask);
cpSpaceBBQuery(m_handle, cpBBNew(boundingBox.x, boundingBox.y, boundingBox.x + boundingBox.width, boundingBox.y + boundingBox.height), filter, cpCallback, const_cast<void*>(static_cast<const void*>(&callback)));
}
void PhysWorld2D::RegionQuery(const Nz::Rectf& boundingBox, Nz::UInt32 collisionGroup, Nz::UInt32 categoryMask, Nz::UInt32 collisionMask, std::vector<Nz::RigidBody2D*>* bodies)
{
using ResultType = decltype(bodies);