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AnalogController: Use nonlinear mapping of vibration strength

Browse source 
Curve from Pokopom: https://github.com/KrossX/Pokopom/blob/master/Pokopom/Input_XInput.cpp#L210
This commit is contained in:
Connor McLaughlin 2020-09-17 19:57:08 +10:00
parent debfd53618
commit 915b7d3726
1 changed files with 7 additions and 3 deletions
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10
src/core/analog_controller.cpp
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@ -141,9 +141,13 @@ float AnalogController::GetVibrationMotorStrength(u32 motor)
if (m_motor_state[motor] == 0)
return 0.0f;
return static_cast<float>(
std::min<u32>(static_cast<u32>(m_motor_state[motor]) + static_cast<u32>(m_rumble_bias), 255)) /
255.0f;
// Curve from https://github.com/KrossX/Pokopom/blob/master/Pokopom/Input_XInput.cpp#L210
const double x =
static_cast<double>(std::min<u32>(static_cast<u32>(m_motor_state[motor]) + static_cast<u32>(m_rumble_bias), 255));
const double strength = 0.006474549734772402 * std::pow(x, 3.0) - 1.258165252213538 * std::pow(x, 2.0) +
156.82454281087692 * x + 3.637978807091713e-11;
return static_cast<float>(strength / 65535.0);
}
void AnalogController::ResetTransferState()