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-rw-r--r--src/org/usfirst/frc/team4272/robot2017/Autonomous.java122
1 files changed, 89 insertions, 33 deletions
diff --git a/src/org/usfirst/frc/team4272/robot2017/Autonomous.java b/src/org/usfirst/frc/team4272/robot2017/Autonomous.java
index 51c2061..d012a98 100644
--- a/src/org/usfirst/frc/team4272/robot2017/Autonomous.java
+++ b/src/org/usfirst/frc/team4272/robot2017/Autonomous.java
@@ -28,51 +28,107 @@
package org.usfirst.frc.team4272.robot2017;
public class Autonomous {
- private final HwRobot robot;
-
- public Autonomous(HwRobot robot) {
- this.robot = robot;
- robot.lDriveE.reset();
- robot.rDriveE.reset();
+ private static interface Command {
+ public boolean execute(Control c);
}
- private boolean driveDistance(Control c, double speed, double dist) {
- double lDist = robot.lDriveE.getDistance();
- double rDist = robot.rDriveE.getDistance();
+ private static class DriveDistance implements Command {
+ private static final double pctTaper = 1.0/3;
+ private static final double pctTolerance = 0.005;
+ private static final double pctThrottle = 0.2;
+ private static final double distFinished = 0.1;
- double thresh = dist * 2.0/3.0;
- double max = dist * 1.05;
-
- if (lDist < thresh) {
- c.lDrive = speed;
- } else if (lDist < max) {
- c.lDrive = speed*Math.sqrt((dist-lDist)/(dist-thresh));
- } else {
- c.lDrive = 0;
+ private final HwRobot robot;
+ private final double lSpeed, lDistTarget;
+ private final double rSpeed, rDistTarget;
+ public DriveDistance(HwRobot robot,
+ double lSpeed, double lDistTarget,
+ double rSpeed, double rDistTarget) {
+ this.robot = robot;
+ this.lSpeed = lSpeed;
+ this.lDistTarget = lDistTarget;
+ this.rSpeed = rSpeed;
+ this.rDistTarget = rDistTarget;
}
-
- if (rDist < thresh) {
- c.rDrive = speed;
- } else if (rDist < max) {
- c.rDrive = speed*Math.sqrt((dist-rDist)/(dist-thresh));
- } else {
- c.rDrive = 0;
- return true;
+ public DriveDistance(HwRobot robot, double speed, double target) {
+ this(robot, speed, target, speed, target);
}
+ private boolean initialized = false;
+ public boolean execute(Control c) {
+ if (!initialized) {
+ robot.lDriveE.reset();
+ robot.rDriveE.reset();
+ initialized = true;
+ }
+ double lDistCurr = robot.lDriveE.getDistance();
+ double rDistCurr = robot.rDriveE.getDistance();
+ double lPct = lDistCurr/lDistTarget;
+ double rPct = rDistCurr/rDistTarget;
- if (Math.abs(lDist - rDist) > 0.1) {
- if (lDist > rDist) {
- c.lDrive *= 0.2;
- } else {
- c.rDrive *= 0.2;
+ c.lDrive = Math.copySign(lSpeed, 1-lPct);
+ if (Math.abs(1-lPct) < pctTaper) {
+ c.lDrive *= Math.sqrt(Math.abs((1-lPct)/pctTaper));
}
+
+ c.rDrive = Math.copySign(rSpeed, 1-rPct);
+ if (Math.abs(1-rPct) < pctTaper) {
+ c.rDrive *= Math.sqrt(Math.abs((1-lPct)/pctTaper));
+ }
+
+ if (Math.abs(lPct - rPct) > pctTolerance) {
+ if (lPct > rPct) {
+ c.lDrive *= pctThrottle;
+ } else {
+ c.rDrive *= pctThrottle;
+ }
+ }
+ return Math.abs(lDistCurr - lDistTarget) < distFinished && Math.abs(rDistCurr - rDistTarget) < distFinished;
}
- return false;
+ }
+
+ private static final double axleWidth = 2; // in feet
+ private static Command driveDistance(HwRobot robot, double speed, double dist) {
+ return new DriveDistance(robot, speed, dist);
+ }
+ private static Command turnRadians(HwRobot robot, double speed, double rad) {
+ return new DriveDistance(robot,
+ speed, Math.copySign(rad*axleWidth, rad),
+ speed, Math.copySign(rad*axleWidth, -rad));
+ }
+ private static Command turnDegrees(HwRobot robot, double speed, double deg) {
+ return turnRadians(robot, speed, deg * Math.PI/180);
+ }
+
+ private final HwRobot robot;
+ private final Command[] commands;
+ private int step = 0;
+
+ public Autonomous(HwRobot robot) {
+ this.robot = robot;
+
+ // Center peg
+ /*
+ commands = new Command[]{
+ driveDistance(robot, 0.3, 8.75),
+ };
+ */
+
+ // Left peg
+ commands = new Command[]{
+ driveDistance(robot, 0.3, 3.5),
+ turnDegrees(robot, 0.3, 60),
+ driveDistance(robot, 0.3, 8.3),
+ };
}
public Control run(Control c) {
c.gedOut = false;
- driveDistance(c, 0.3, 8.75);
+
+ if (step < commands.length) {
+ if (commands[step].execute(c))
+ step++;
+ }
+
return c;
}
}