From 9e37ff62b668694f705a8d132469f40ead9f6f0f Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Thu, 5 Jun 2025 13:09:07 +0200
Subject: Dangling changes

---
 tests/particles.cpp | 44 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

(limited to 'tests/particles.cpp')

diff --git a/tests/particles.cpp b/tests/particles.cpp
index 873b8ad..260caf0 100644
--- a/tests/particles.cpp
+++ b/tests/particles.cpp
@@ -36,7 +36,49 @@ SAW_TEST("Verlet integration test"){
 	using namespace kel;
 	lbm::particle_system<sch::T,2,sch::Particle<sch::T,2>> system;
 
-	// system.step();
+	{
+		saw::data<sch::Particle<sch::T,2>> particle;
+		auto& rb = particle.template get<"rigid_body">();
+		auto& acc = rb.template get<"acceleration">();
+		auto& pos = rb.template get<"position">();
+		auto& pos_old = rb.template get<"position_old">();
+		pos = {{1e-1,1e-1}};
+		pos_old = {{0.0, 0.0}};
+		acc = {{0.0,-1e1}};
+
+		auto eov = system.add_particle(std::move(particle));
+		SAW_EXPECT(eov.is_value(), "Expected no error :)");
+	}
+	{
+		auto& p = system.at({0u});
+		auto& rb = p.template get<"rigid_body">();
+		auto& pos = rb.template get<"position">();
+
+		for(saw::data<sch::UInt64> i{0u}; i < saw::data<sch::UInt64>{2u}; ++i){
+			std::cout<<pos.at(i).get()<<" ";
+		}
+		std::cout<<std::endl;
+	}
+
+	for(uint64_t i = 0u; i < 360u; ++i){
+		system.step(saw::data<sch::T>{1e-2});
+
+		{
+			auto& p = system.at({0u});
+			auto& rb = p.template get<"rigid_body">();
+			auto& pos = rb.template get<"position">();
+
+			for(saw::data<sch::UInt64> i{0u}; i < saw::data<sch::UInt64>{2u}; ++i){
+				std::cout<<pos.at(i).get()<<" ";
+			}
+			std::cout<<"\n";
+
+			if(pos.at({1u}).get() < 0.0){
+				break;
+			}
+		}
+
+	}
 
 }
 }
-- 
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