grillkol/FluidSimCpp
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Improve physical geometry, fluid solvers, audio, and profiling

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max
2026-10-30 18:57:56 +01:00
parent bf8621ad39
commit eb2b6366c2
130 changed files with 14649 additions and 862 deletions
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15
include/FluidSim/OutdoorAudio.hpp
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@@ -17,7 +17,9 @@ struct OutdoorAudioConfig {
Vec3 intake_position{-0.2f, 0.7f, 0.0f};
Vec3 exhaust_position{0.55f, 0.5f, 0.0f};
Vec3 second_exhaust_position{-0.55f, 0.5f, 0.0f};
Vec3 valve_position{0.08f,0.42f,0.0f};
bool dual_exhaust{};
bool valve_contact_enabled{};
float ear_spacing{0.18f}, sound_speed{343.0f};
float ground_y{0.0f}, wall_x{-1.5f};
float ground_reflection{0.35f}, wall_reflection{0.65f};
@@ -29,10 +31,15 @@ struct OutdoorAudioConfig {
// approximate diffuse tail. No feedback into the fluid/combustion simulation.
class OutdoorAudio {
public:
static constexpr std::array<const char*,4> source_names{"intake", "exhaust", "exhaust-2", "valve-contact"};
struct SourceFrames { AudioFrame rendered{}, dry{}, unfiltered{}; };
const auto& source_frames() const { return sources_; }
AudioFrame tail_frame() const { return last_tail_; }
void set_source_enabled(std::size_t index,bool enabled) { enabled_.at(index)=enabled; }
explicit OutdoorAudio(int sample_rate = 44100, OutdoorAudioConfig config = {});
// Acoustic source inputs are ambient-density times mouth volume flow, kg/s.
// Fluid transport still uses actual donor-density mass flux independently.
AudioFrame process(float intake_mass_flow, float exhaust_mass_flow, float second_exhaust_mass_flow = 0);
AudioFrame process(float intake_mass_flow, float exhaust_mass_flow, float second_exhaust_mass_flow = 0, float valve_contact_mass_flow = 0);
void set_scene(OutdoorScene scene) { requested_scene_.store(scene, std::memory_order_relaxed); }
OutdoorScene scene() const { return requested_scene_.load(std::memory_order_relaxed); }
// Call on the simulation thread or under the scenario's simulation lock.
@@ -66,12 +73,14 @@ private:
std::atomic<OutdoorScene> requested_scene_{OutdoorScene::Wall};
OutdoorScene active_scene_{OutdoorScene::Wall};
bool monitor_filter_{true};
std::array<Emitter, 3> emitters_;
std::array<Emitter, 4> emitters_;
OutdoorExhaustReverb late_reverb_;
std::array<float, 5> weights_{1, 0, 0, 0, 0};
float scene_alpha_{}, tail_mix_{};
float geometry_alpha_{}, reverb_input_{};
AudioFrame last_dry_{}, last_raw_{};
AudioFrame last_dry_{}, last_raw_{}, last_tail_{};
std::array<SourceFrames,4> sources_{};
std::array<bool,4> enabled_{true,true,true,true};
void configure_emitter(Emitter &emitter, Vec3 position);
void update_geometry();
AudioFrame render(Emitter &emitter, float flow, AudioFrame &dry, AudioFrame &raw);