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Diffstat (limited to '')
-rw-r--r-- | src/core/frontend/motion_emu.cpp | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/src/core/frontend/motion_emu.cpp b/src/core/frontend/motion_emu.cpp deleted file mode 100644 index 9a5b3185d..000000000 --- a/src/core/frontend/motion_emu.cpp +++ /dev/null @@ -1,89 +0,0 @@ -// Copyright 2016 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include "common/math_util.h" -#include "common/quaternion.h" -#include "core/frontend/emu_window.h" -#include "core/frontend/motion_emu.h" - -namespace Motion { - -static constexpr int update_millisecond = 100; -static constexpr auto update_duration = - std::chrono::duration_cast<std::chrono::steady_clock::duration>( - std::chrono::milliseconds(update_millisecond)); - -MotionEmu::MotionEmu(EmuWindow& emu_window) - : motion_emu_thread(&MotionEmu::MotionEmuThread, this, std::ref(emu_window)) {} - -MotionEmu::~MotionEmu() { - if (motion_emu_thread.joinable()) { - shutdown_event.Set(); - motion_emu_thread.join(); - } -} - -void MotionEmu::MotionEmuThread(EmuWindow& emu_window) { - auto update_time = std::chrono::steady_clock::now(); - Math::Quaternion<float> q = MakeQuaternion(Math::Vec3<float>(), 0); - Math::Quaternion<float> old_q; - - while (!shutdown_event.WaitUntil(update_time)) { - update_time += update_duration; - old_q = q; - - { - std::lock_guard<std::mutex> guard(tilt_mutex); - - // Find the quaternion describing current 3DS tilting - q = MakeQuaternion(Math::MakeVec(-tilt_direction.y, 0.0f, tilt_direction.x), - tilt_angle); - } - - auto inv_q = q.Inverse(); - - // Set the gravity vector in world space - auto gravity = Math::MakeVec(0.0f, -1.0f, 0.0f); - - // Find the angular rate vector in world space - auto angular_rate = ((q - old_q) * inv_q).xyz * 2; - angular_rate *= 1000 / update_millisecond / MathUtil::PI * 180; - - // Transform the two vectors from world space to 3DS space - gravity = QuaternionRotate(inv_q, gravity); - angular_rate = QuaternionRotate(inv_q, angular_rate); - - // Update the sensor state - emu_window.AccelerometerChanged(gravity.x, gravity.y, gravity.z); - emu_window.GyroscopeChanged(angular_rate.x, angular_rate.y, angular_rate.z); - } -} - -void MotionEmu::BeginTilt(int x, int y) { - mouse_origin = Math::MakeVec(x, y); - is_tilting = true; -} - -void MotionEmu::Tilt(int x, int y) { - constexpr float SENSITIVITY = 0.01f; - auto mouse_move = Math::MakeVec(x, y) - mouse_origin; - if (is_tilting) { - std::lock_guard<std::mutex> guard(tilt_mutex); - if (mouse_move.x == 0 && mouse_move.y == 0) { - tilt_angle = 0; - } else { - tilt_direction = mouse_move.Cast<float>(); - tilt_angle = MathUtil::Clamp(tilt_direction.Normalize() * SENSITIVITY, 0.0f, - MathUtil::PI * 0.5f); - } - } -} - -void MotionEmu::EndTilt() { - std::lock_guard<std::mutex> guard(tilt_mutex); - tilt_angle = 0; - is_tilting = false; -} - -} // namespace Motion |