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Added capability for choreo trajectory following
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{ | ||
"type": "path", | ||
"data": { | ||
"pathName": "Example Path" | ||
"pathName": "ShootAndTaxi1" | ||
} | ||
} | ||
] | ||
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package frc.robot; | ||
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import edu.wpi.first.math.geometry.Translation2d; | ||
import edu.wpi.first.math.util.Units; | ||
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/** | ||
* Contains various field dimensions and useful reference points. Dimensions are in meters, and sets | ||
* of corners start in the lower left moving clockwise. <b>All units in Meters</b> <br> | ||
* <br> | ||
* | ||
* <p>All translations and poses are stored with the origin at the rightmost point on the BLUE | ||
* ALLIANCE wall.<br> | ||
* <br> | ||
* Length refers to the <i>x</i> direction (as described by wpilib) <br> | ||
* Width refers to the <i>y</i> direction (as described by wpilib) | ||
*/ | ||
public class FieldConstants { | ||
public static double fieldLength = Units.inchesToMeters(653.22); | ||
public static double fieldWidth = Units.inchesToMeters(323.28); | ||
public static double wingX = Units.inchesToMeters(229.201); | ||
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public static double podiumX = Units.inchesToMeters(121); | ||
public static double startingLineX = Units.inchesToMeters(74.111); | ||
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public static final class StagingLocations { | ||
public static double centerlineX = Units.inchesToMeters(fieldLength / 2); | ||
// need to update | ||
public static double centerlineFirstY = Units.inchesToMeters(-1); | ||
public static double centerlineSeparationY = Units.inchesToMeters(66); | ||
public static double spikeX = Units.inchesToMeters(114); | ||
// need | ||
public static double spikeFirstY = Units.inchesToMeters(-1); | ||
public static double spikeSeparationY = Units.inchesToMeters(57); | ||
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public static Translation2d[] centerlineTranslations = new Translation2d[5]; | ||
public static Translation2d[] spikeTranslations = new Translation2d[3]; | ||
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static { | ||
for (int i = 0; i < centerlineTranslations.length; i++) { | ||
centerlineTranslations[i] = | ||
new Translation2d(centerlineX, centerlineFirstY + (i * centerlineSeparationY)); | ||
} | ||
} | ||
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static { | ||
for (int i = 0; i < spikeTranslations.length; i++) { | ||
spikeTranslations[i] = new Translation2d(spikeX, spikeFirstY + (i * spikeSeparationY)); | ||
} | ||
} | ||
} | ||
} |
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package frc.robot.subsystems.drive; | ||
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public class DriveConstants {} |
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package frc.robot.util; | ||
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import edu.wpi.first.math.geometry.Pose2d; | ||
import edu.wpi.first.math.geometry.Rotation2d; | ||
import edu.wpi.first.math.geometry.Translation2d; | ||
import edu.wpi.first.wpilibj.DriverStation; | ||
import edu.wpi.first.wpilibj.DriverStation.Alliance; | ||
import frc.robot.FieldConstants; | ||
import frc.robot.util.trajectory.HolonomicDriveController; | ||
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/** Utility functions for flipping from the blue to red alliance. */ | ||
public class AllianceFlipUtil { | ||
/** Flips an x coordinate to the correct side of the field based on the current alliance color. */ | ||
public static double apply(double xCoordinate) { | ||
if (shouldFlip()) { | ||
return FieldConstants.fieldLength - xCoordinate; | ||
} else { | ||
return xCoordinate; | ||
} | ||
} | ||
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/** Flips a translation to the correct side of the field based on the current alliance color. */ | ||
public static Translation2d apply(Translation2d translation) { | ||
if (shouldFlip()) { | ||
return new Translation2d(apply(translation.getX()), translation.getY()); | ||
} else { | ||
return translation; | ||
} | ||
} | ||
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/** Flips a rotation based on the current alliance color. */ | ||
public static Rotation2d apply(Rotation2d rotation) { | ||
if (shouldFlip()) { | ||
return new Rotation2d(-rotation.getCos(), rotation.getSin()); | ||
} else { | ||
return rotation; | ||
} | ||
} | ||
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/** Flips a pose to the correct side of the field based on the current alliance color. */ | ||
public static Pose2d apply(Pose2d pose) { | ||
if (shouldFlip()) { | ||
return new Pose2d(apply(pose.getTranslation()), apply(pose.getRotation())); | ||
} else { | ||
return pose; | ||
} | ||
} | ||
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/** | ||
* Flips a trajectory state to the correct side of the field based on the current alliance color. | ||
*/ | ||
public static HolonomicDriveController.HolonomicDriveState apply( | ||
HolonomicDriveController.HolonomicDriveState state) { | ||
if (shouldFlip()) { | ||
return new HolonomicDriveController.HolonomicDriveState( | ||
apply(state.pose()), -state.velocityX(), state.velocityY(), -state.angularVelocity()); | ||
} else { | ||
return state; | ||
} | ||
} | ||
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public static boolean shouldFlip() { | ||
return DriverStation.getAlliance().isPresent() | ||
&& DriverStation.getAlliance().get() == Alliance.Red; | ||
} | ||
} |
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