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[wpilib] Fix initial heading behavior in HolonomicDriveController (#3290)

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This commit is contained in:
Prateek Machiraju
2021-04-19 00:00:11 -04:00
committed by GitHub
parent 659b37ef9d
commit aaf24e2552
5 changed files with 47 additions and 0 deletions
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7
wpilibc/src/main/native/cpp/controller/HolonomicDriveController.cpp
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@@ -34,6 +34,13 @@ void HolonomicDriveController::SetTolerance(const Pose2d& tolerance) {
ChassisSpeeds HolonomicDriveController::Calculate(
const Pose2d& currentPose, const Pose2d& poseRef,
units::meters_per_second_t linearVelocityRef, const Rotation2d& angleRef) {
// If this is the first run, then we need to reset the theta controller to the
// current pose's heading.
if (m_firstRun) {
m_thetaController.Reset(currentPose.Rotation().Radians());
m_firstRun = false;
}
// Calculate feedforward velocities (field-relative)
auto xFF = linearVelocityRef * poseRef.Rotation().Cos();
auto yFF = linearVelocityRef * poseRef.Rotation().Sin();