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PJ Reiniger dca59147e1 [robotpy][examples] Split examples and snippets (#8944)
This also updates the bazel scripts to behave more like the C++ and Java
examples, and updates the copybara scripts to be able to sync up
`mostrobotpy`
2026-06-03 19:43:16 -07:00

53 lines
2.0 KiB
Python

#!/usr/bin/env python3
#
# Copyright (c) FIRST and other WPILib contributors.
# Open Source Software; you can modify and/or share it under the terms of
# the WPILib BSD license file in the root directory of this project.
#
import wpilib
import wpimath
from drivetrain import Drivetrain
class MyRobot(wpilib.TimedRobot):
def __init__(self) -> None:
super().__init__()
self.controller = wpilib.NiDsXboxController(0)
self.mecanum = Drivetrain()
# Slew rate limiters to make joystick inputs more gentle; 1/3 sec from 0 to 1.
self.xvelocityLimiter = wpimath.SlewRateLimiter(3)
self.yvelocityLimiter = wpimath.SlewRateLimiter(3)
self.rotLimiter = wpimath.SlewRateLimiter(3)
def autonomousPeriodic(self) -> None:
self.driveWithJoystick(False)
self.mecanum.updateOdometry()
def teleopPeriodic(self) -> None:
self.driveWithJoystick(True)
def driveWithJoystick(self, fieldRelative: bool) -> None:
# Get the x velocity. We are inverting this because Xbox controllers return
# negative values when we push forward.
xVelocity = -self.xvelocityLimiter.calculate(self.controller.getLeftY())
xVelocity *= Drivetrain.MAX_VELOCITY
# Get the y velocity or sideways/strafe velocity. We are inverting this because
# we want a positive value when we pull to the left. Xbox controllers
# return positive values when you pull to the right by default.
yVelocity = -self.yvelocityLimiter.calculate(self.controller.getLeftX())
yVelocity *= Drivetrain.MAX_VELOCITY
# Get the rate of angular rotation. We are inverting this because we want a
# positive value when we pull to the left (remember, CCW is positive in
# mathematics). Xbox controllers return positive values when you pull to
# the right by default.
rot = -self.rotLimiter.calculate(self.controller.getRightX())
rot *= Drivetrain.MAX_ANGULAR_VELOCITY
self.mecanum.drive(xVelocity, yVelocity, rot, fieldRelative, self.getPeriod())