diff options
| -rw-r--r-- | default.nix | 5 | ||||
| -rw-r--r-- | examples/particles_gpu/particles_gpu.cpp | 8 |
2 files changed, 8 insertions, 5 deletions
diff --git a/default.nix b/default.nix index f418d0e..2c76e6b 100644 --- a/default.nix +++ b/default.nix @@ -1,8 +1,9 @@ { pkgs ? import (builtins.fetchTarball{ url = "https://github.com/NixOS/nixpkgs/archive/nixos-25.11.tar.gz"; }) {} -, stdenv ? pkgs.llvmPackages_19.stdenv -, clang-tools ? pkgs.clang-tools_19 +, llvmPackages ? pkgs.llvmPackages_19 +, stdenv ? llvmPackages.stdenv +, clang-tools ? llvmPackages.clang-tools }: let diff --git a/examples/particles_gpu/particles_gpu.cpp b/examples/particles_gpu/particles_gpu.cpp index baae5f3..2f2d691 100644 --- a/examples/particles_gpu/particles_gpu.cpp +++ b/examples/particles_gpu/particles_gpu.cpp @@ -33,7 +33,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){ auto& p_size = part.template get<"size">(); p_size = {0.5f}; - if(j.get() % 2u == 0) acceleration.at({{1u}}) = {-9.81}; + if(j.get() % 2u == 0) acceleration.at({{1u}}) = {9.81}; pos.at({{0u}}) = {i.template cast_to<sch::Float32>()}; pos.at({{1u}}) = {j.template cast_to<sch::Float32>()}; @@ -42,11 +42,11 @@ saw::error_or<void> lbm_main(int argc, char** argv){ } } - for(saw::data<sch::UInt64> dt{0u}; dt < saw::data<sch::UInt64>{1024ul*32ul}; ++dt){ + for(saw::data<sch::UInt64> dt{0u}; dt < saw::data<sch::UInt64>{32ul}; ++dt){ for(saw::data<sch::UInt64> i{0u}; i < particles.size(); ++i){ auto& part_i = particles.at(i); - verlet_step_lambda<sch::Float32,2u>(part_i,{1.0f}); + verlet_step_lambda<sch::Float32,2u>(part_i,{0.05f}); } for(saw::data<sch::UInt64> i{0u}; i < particles.size(); ++i){ auto& part_i = particles.at(i); @@ -59,6 +59,8 @@ saw::error_or<void> lbm_main(int argc, char** argv){ } } } + auto& pos = particles.at({0u}).template get<"rigid_body">().template get<"position">(); + std::cout<<pos.at({{0u}}).get()<<" "<<pos.at({{1u}}).get()<<std::endl; saw::codec<sch::Array<sch::Particle<sch::Float32,2u>>, saw::encode::Json> j_codec; } |