From cb514e099515934322d9400d559a65b831cf4c5f Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Fri, 20 Feb 2026 13:55:00 +0100
Subject: Adding fake particles

---
 lib/core/c++/particle.hpp          |  2 +-
 lib/core/c++/particle/particle.hpp | 14 +++++++++-----
 lib/core/tests/particles.cpp       | 18 +++++++++---------
 3 files changed, 19 insertions(+), 15 deletions(-)

(limited to 'lib')

diff --git a/lib/core/c++/particle.hpp b/lib/core/c++/particle.hpp
index f8a5cb0..b098ecc 100644
--- a/lib/core/c++/particle.hpp
+++ b/lib/core/c++/particle.hpp
@@ -24,8 +24,8 @@ public:
 		verlet_step_lambda<T,Descriptor::D>(p,{1.0});  
 
 		// Update porosity over lattice nodes
+	
 		
-
 	}
 };
 }
diff --git a/lib/core/c++/particle/particle.hpp b/lib/core/c++/particle/particle.hpp
index a82b12d..8ef590d 100644
--- a/lib/core/c++/particle/particle.hpp
+++ b/lib/core/c++/particle/particle.hpp
@@ -40,19 +40,21 @@ using ParticleRigidBody = Struct<
 
 template<typename T>
 using ParticleCollisionSpheroid = Struct<
-	Member<T, "radius">
+	Member<Scalar<T>, "radius">
 >;
 
 template<typename T, uint64_t D, typename CollisionType = ParticleCollisionSpheroid<T>>
 using Particle = Struct<
 	Member<ParticleRigidBody<T,D>, "rigid_body">,
 	Member<CollisionType, "collision">,
-	Member<T, "mass">
+	// Problem is that dynamic data would two layered
+	// Member<FixedArray<Float64,D,D,D>, "mask">, 
+	Member<Scalar<T>, "mass">
 >;
 }
 
 template<typename T, uint64_t D>
-saw::data<sch::Particle<T,D>, sch::ParticleCollisionSpheroid<T>> create_spheroid_particle(
+saw::data<sch::Particle<T,D, sch::ParticleCollisionSpheroid<T>>> create_spheroid_particle(
 		saw::data<sch::Vector<T,D>> pos_p,
 		saw::data<sch::Vector<T,D>> vec_p,
 		saw::data<sch::Vector<T,D>> acc_p,
@@ -175,9 +177,11 @@ constexpr auto broadphase_collision_distance_squared = [](saw::data<sch::Particl
 
 	auto norm_2 = saw::math::dot(pos_dist,pos_dist);
 
-	auto rad_ab_2 = rad_l * rad_l + rad_r * rad_r + rad_r * rad_l * static_cast<saw::native_data_type<T>::type>(2);
+	saw::data<sch::Scalar<T>> two;
+	two.at({}) = 2.0;
+	auto rad_ab_2 = rad_l * rad_l + rad_r * rad_r + rad_r * rad_l * two;
 
-	return std::make_pair((norm_2.at({}).get() < rad_ab_2.get()), norm_2);
+	return std::make_pair((norm_2.at({}).get() < rad_ab_2.at({}).get()), norm_2);
 };
 /**
 *
diff --git a/lib/core/tests/particles.cpp b/lib/core/tests/particles.cpp
index fcca19a..a9984ec 100644
--- a/lib/core/tests/particles.cpp
+++ b/lib/core/tests/particles.cpp
@@ -40,7 +40,7 @@ SAW_TEST("No Collision Spheroid 2D"){
 		auto& coll = part_a.template get<"collision">();
 		auto& radius = coll.template get<"radius">();
 
-		radius.set(1.0);
+		radius.at({}).set(1.0);
 
 		pos.at({{0u}}) = 0.1;
 		pos.at({{1u}}) = 0.2;
@@ -53,7 +53,7 @@ SAW_TEST("No Collision Spheroid 2D"){
 		auto& coll = part_b.template get<"collision">();
 		auto& radius = coll.template get<"radius">();
 
-		radius.set(1.0);
+		radius.at({}).set(1.0);
 		
 		pos.at({{0u}}) = -2.1;
 		pos.at({{1u}}) = 0.0;
@@ -73,7 +73,7 @@ SAW_TEST("Collision Spheroid 2D"){
 		auto& coll = part_a.template get<"collision">();
 		auto& radius = coll.template get<"radius">();
 
-		radius.set(1.0);
+		radius.at({}).set(1.0);
 
 		pos.at({{0u}}) = 0.1;
 		pos.at({{1u}}) = 0.2;
@@ -86,7 +86,7 @@ SAW_TEST("Collision Spheroid 2D"){
 		auto& coll = part_b.template get<"collision">();
 		auto& radius = coll.template get<"radius">();
 
-		radius.set(1.0);
+		radius.at({}).set(1.0);
 		
 		pos.at({{0u}}) = -1.5;
 		pos.at({{1u}}) = 0.0;
@@ -108,7 +108,7 @@ SAW_TEST("Moving particles 2D"){
 		auto& radius = coll.template get<"radius">();
 		auto& acc = body.template get<"acceleration">();
 
-		radius.set(1.0);
+		radius.at({}).set(1.0);
 
 		pos.at({{0u}}) = -5.0;
 		pos.at({{1u}}) = 0.2;
@@ -125,7 +125,7 @@ SAW_TEST("Moving particles 2D"){
 		auto& radius = coll.template get<"radius">();
 		auto& acc = body.template get<"acceleration">();
 
-		radius.set(1.0);
+		radius.at({}).set(1.0);
 		
 		pos.at({{0u}}) = 5.0;
 		pos.at({{1u}}) = 0.0;
@@ -162,7 +162,7 @@ SAW_TEST("Particle Matrix Rotation"){
 		auto& radius = coll.template get<"radius">();
 		auto& acc = body.template get<"acceleration">();
 
-		radius.set(1.0);
+		radius.at({}).set(1.0);
 
 		pos.at({{0u}}) = -5.0;
 		pos.at({{1u}}) = 0.2;
@@ -185,7 +185,7 @@ SAW_TEST("Particle Collision Impulse"){
 		auto& radius = coll.template get<"radius">();
 		auto& acc = body.template get<"acceleration">();
 
-		radius.set(1.0);
+		radius.at({}).set(1.0);
 
 		pos.at({{0u}}) = -5.0;
 		pos.at({{1u}}) = 0.2;
@@ -202,7 +202,7 @@ SAW_TEST("Particle Collision Impulse"){
 		auto& radius = coll.template get<"radius">();
 		auto& acc = body.template get<"acceleration">();
 
-		radius.set(1.5);
+		radius.at({}).set(1.5);
 		
 		pos.at({{0u}}) = 5.0;
 		pos.at({{1u}}) = 0.0;
-- 
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