use of me.wobblyyyy.pathfinder2.exceptions.InvalidToleranceException in project Pathfinder2 by Wobblyyyy.
the class AdvancedSplineTrajectoryBuilder method build.
public AdvancedSplineTrajectory build() {
boolean invalidStep = step == Double.MAX_VALUE;
boolean invalidSpeed = speed == Double.MAX_VALUE;
boolean invalidTolerance = tolerance == Double.MAX_VALUE;
boolean invalidAngleTolerance = angleTolerance == null;
DEFAULT_LOGGER.accept("--- BUILDING SPLINE ---");
DEFAULT_LOGGER.accept(StringUtils.format("invalid step: %s\n" + "invalid speed: %s\n" + "invalid tolerance: %s\n" + "invalid angle tolerance: %s", invalidStep, invalidSpeed, invalidTolerance, invalidAngleTolerance));
if (invalidStep && invalidSpeed && invalidTolerance && invalidAngleTolerance)
throw new IllegalArgumentException("Did not set a step, speed, tolerance, and angle tolerance " + "value! You need to use setStep(), setSpeed(), " + "setTolerance(), and setAngleTolerance() before " + "calling the build() method.");
if (invalidStep)
throw new IllegalArgumentException("Did not set a step value - use setStep().");
if (invalidSpeed)
throw new InvalidSpeedException("Did not set a speed - use setSpeed().");
if (invalidTolerance)
throw new InvalidToleranceException("Did not set a tolerance - use setTolerance().");
if (invalidAngleTolerance)
throw new NullAngleException("Null angle tolerance while creating an " + "AdvancedSplineTrajectory.");
int size = xValues.size();
Double[] xBoxed = new Double[size];
Double[] yBoxed = new Double[size];
Double[] speedBoxed = new Double[size];
Angle[] z = new Angle[size];
xValues.toArray(xBoxed);
yValues.toArray(yBoxed);
angleTargets.toArray(z);
speeds.toArray(speedBoxed);
double[] x = new double[size];
double[] y = new double[size];
double[] speed = new double[size];
boolean sameSpeedValue = true;
int xDuplicates = 0;
int yDuplicates = 0;
for (int i = 0; i < xBoxed.length; i++) {
x[i] = xBoxed[i];
y[i] = yBoxed[i];
speed[i] = speedBoxed[i];
if (i != 0) {
if (speed[i] != speed[i - 1])
sameSpeedValue = false;
// ensure adjacent X values are unique
if (x[i] == x[i - 1])
x[i] += Core.advancedSplineTrajectoryDuplicateOffset * ((xDuplicates++) + 1);
// ensure adjacent Y values are unique
if (y[i] == y[i - 1])
y[i] += Core.advancedSplineTrajectoryDuplicateOffset * ((yDuplicates++) + 1);
}
}
DEFAULT_LOGGER.accept(StringUtils.format("boxed x: %s\n" + "boxed y: %s\n" + "boxed z: %s\n" + "boxed speed: %s\n" + "unboxed x: %s\n" + "unboxed y: %s\n" + "unboxed speed: %s", Arrays.toString(xBoxed), Arrays.toString(yBoxed), Arrays.toString(z), Arrays.toString(speedBoxed), Arrays.toString(x), Arrays.toString(y), Arrays.toString(speed)));
// add support for different types of spline interpolation!
// this is a really bad way to implement support for multiple
// types of spline interpolation, but... oh well.
Spline spline;
switch(interpolationMode) {
case DEFAULT:
spline = new MonotoneCubicSpline(x, y);
break;
case CUBIC:
spline = new ApacheSpline(Interpolator.CUBIC, x, y);
break;
case AKIMA:
spline = new ApacheSpline(Interpolator.AKIMA, x, y);
break;
case CUSTOM:
if (customSplineGenerator != null)
spline = customSplineGenerator.apply(xBoxed, yBoxed);
else
throw new NullPointerException("Tried to use custom " + "spline generator without having set it first: " + "use setCustomSplineGenerator() to do so. The " + "function you pass in should accept two arrays " + "of Double values (x and y).");
break;
default:
throw new RuntimeException("How did you even get here?");
}
AngleSpline angleSpline = new AngleSpline(x, z);
/*
Spline speedSpline;
if (sameSpeedValue) speedSpline =
new LinearSpline(
new SlopeIntercept(0, speed[0])
); else speedSpline = new MonotoneCubicSpline(x, speed);
*/
Spline speedSpline = new MonotoneCubicSpline(x, speed);
Logger.debug(AdvancedSplineTrajectoryBuilder.class, "spline: <%s> angleSpline: <%s> speedSpline: <%s> step: <%s> " + "tolerance: <%s> angleTolerance: <%s>", spline, angleSpline, speedSpline, step, tolerance, angleTolerance);
return new AdvancedSplineTrajectory(spline, angleSpline, speedSpline, step, tolerance, angleTolerance);
}
use of me.wobblyyyy.pathfinder2.exceptions.InvalidToleranceException in project Pathfinder2 by Wobblyyyy.
the class Pathfinder method splineTo.
/**
* Create a spline trajectory to a certain target point, and then follow
* that aforementioned trajectory.
*
* <p>
* If this method is called on a set of points with non-monotonic Y
* values, this will instead invoke
* {@link #multiSplineTo(double, double, Angle, PointXYZ...)}, which
* supports non-monotonic Y values.
* </p>
*
* @param speed the speed at which the robot should move. This
* is a constant value.
* @param tolerance the tolerance used for determining whether the
* robot is at the target point.
* @param angleTolerance same thing as {@code tolerance}, but for the
* robot's angle.
* @param points a set of control points for the spline. This
* will automatically insert the robot's current
* position into this array. This array must have
* AT LEAST two points.
* @return {@code this}, used for method chaining.
*/
public Pathfinder splineTo(double speed, double tolerance, Angle angleTolerance, PointXYZ... points) {
if (points.length < 2)
throw new IllegalArgumentException("At least two control points are required to use the " + "splineTo method.");
InvalidSpeedException.throwIfInvalid("Invalid speed value provided! Speed must be between 0 and 1.", speed);
InvalidToleranceException.throwIfInvalid("Invalid tolerance! Tolerance must be a positive number.", tolerance);
if (angleTolerance.deg() < 0)
throw new InvalidToleranceException("Invalid angle tolerance! " + "Angle tolerance must be greater than 0 degrees.");
NotNull.throwExceptionIfNull("One or more points provided to splineTo was null!", (Object[]) points);
// non-monotonic Y values means we need to use a multi spline instead
if (!Spline.areMonotonicY(points))
return multiSplineTo(speed, tolerance, angleTolerance, points);
// length is the total distance of the spline (NOT all control points)
double length = PointXY.distance(points[0], points[points.length - 1]);
// step should be relatively small - by default, it's 1/20th of
// the spline's length.
double step = length / Core.pathfinderStepDivisor;
AdvancedSplineTrajectoryBuilder builder = new AdvancedSplineTrajectoryBuilder().setSpeed(speed).setTolerance(tolerance).setAngleTolerance(angleTolerance).setStep(step);
PointXYZ robotPosition = getPosition();
// to the trajectory
if (!robotPosition.equals(points[0]))
builder.add(robotPosition);
PointXYZ lastPoint = points[0];
for (int i = 1; i < points.length; i++) {
PointXYZ point = points[i];
if (point == null)
throw new NullPointException("Cannot use the splineTo method with a null " + "control point!");
if (!point.equals(lastPoint)) {
builder.add(point);
lastPoint = point;
} else {
throw new SplineException("There were duplicate adjacent points in the set " + "of control points! This means there's the same " + "point, twice in a row. The points were: " + Arrays.toString(points));
}
}
Trajectory trajectory = builder.build();
return followTrajectory(trajectory);
}
use of me.wobblyyyy.pathfinder2.exceptions.InvalidToleranceException in project Pathfinder2 by Wobblyyyy.
the class Pathfinder method multiSplineTo.
/**
* Use a {@link MultiSplineBuilder} to construct a spline trajectory.
*
* @param speed the speed at which the robot should move. This
* is a constant value.
* @param tolerance the tolerance used for determining whether the
* robot is at the target point.
* @param angleTolerance same thing as {@code tolerance}, but for the
* robot's angle.
* @param points a set of control points for the spline. This
* will automatically insert the robot's current
* position into this array. This array must have
* AT LEAST two points.
* @return {@code this}, used for method chaining.
*/
public Pathfinder multiSplineTo(double speed, double tolerance, Angle angleTolerance, PointXYZ... points) {
if (points.length < 2)
throw new IllegalArgumentException("At least two control points are required to use the " + "splineTo method.");
checkForMissingDefaultValues();
InvalidSpeedException.throwIfInvalid("Invalid speed value provided! Speed must be between 0 and 1.", speed);
InvalidToleranceException.throwIfInvalid("Invalid tolerance! Tolerance must be a positive number.", tolerance);
if (angleTolerance.deg() < 0)
throw new InvalidToleranceException("Invalid angle tolerance! " + "Angle tolerance must be greater than 0 degrees.");
if (!Spline.areMonotonicX(points))
throw new SplineException("Cannot create a spline with non-" + "monotonic X values! X values can only be either " + "increasing or decreasing, but not a combination of both.");
double totalDistanceX = points[points.length - 1].distanceX(points[0]);
double step = totalDistanceX / (points.length * Core.pathfinderSplineStepCoefficient);
MultiSplineBuilder builder = new MultiSplineBuilder().setDefaultSpeed(speed).setDefaultTolerance(tolerance).setDefaultAngleTolerance(angleTolerance).setDefaultStep(step);
for (PointXYZ point : points) builder.add(point, speed, step);
Trajectory trajectory = builder.build();
followTrajectory(trajectory);
return this;
}
use of me.wobblyyyy.pathfinder2.exceptions.InvalidToleranceException in project Pathfinder2 by Wobblyyyy.
the class PointXY method isNear.
/**
* Are two points close to each other?
*
* @param a one of the two points.
* @param b one of the two points.
* @param tolerance the maximum distance value.
* @return if the `distance(a, b)` method call returns a value less than
* or equal to the {@code tolerance}, this method will return true.
* Else, this method will return false.
*/
public static boolean isNear(PointXY a, PointXY b, double tolerance) {
ValidationUtils.validate(a, "a");
ValidationUtils.validate(b, "b");
InvalidToleranceException.throwIfInvalid("Invalid tolerance!", tolerance);
if (tolerance < 0)
throw new InvalidToleranceException(StringUtils.format("Cannot have a tolerance below 0! Tolerance was: <%s>", tolerance));
if (distanceX(a, b) > tolerance || distanceY(a, b) > tolerance)
return false;
return Math.abs(distance(a, b)) <= Math.abs(tolerance);
}
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