Uses of Class
net.cscott.sdr.util.Fraction

Packages that use Fraction

net.cscott.sdr	This package contains the main game class (App) and a text UI (PMSD), as well as interface definitions needed to tie the various pieces together.
net.cscott.sdr.anim	This package contains the 3d animation code, which uses the jME game engine.
net.cscott.sdr.calls	This package contains the square dance choreography engine, and the basic types and interfaces required to communicate with it.
net.cscott.sdr.calls.ast	This package contains the abstract syntax used for call definition and evaluation.
net.cscott.sdr.calls.grm	This package contains the tools needed to generate Sphinx and ANTLRv3 grammars for "natural language calls" from the information in the call lists about grammar and precedence for individual calls.
net.cscott.sdr.calls.lists	This package contains call lists and generated natural-language parsers for the various square dance programs.
net.cscott.sdr.calls.parser	ANTLRv3 grammars for parsing call definition files and AST representations.
net.cscott.sdr.calls.transform	This package contains code to parse call lists and transform call abstract syntax in various ways.
net.cscott.sdr.sound	This package contains the accompaniment music playback and timing engine.
net.cscott.sdr.util	This package contains useful utility code.

Uses of Fraction in net.cscott.sdr

Methods in net.cscott.sdr that return Fraction

Fraction	BeatTimer.getCurrentBeat()
Fraction	DanceFloor.waitForBeat(Fraction beat) Block waiting until notifyBeat() is called with a beat greater than or equal to that specified.

Methods in net.cscott.sdr with parameters of type Fraction

DancerBezierPath	DanceFloor.location(Dancer d, Fraction beatTime) Current (interpolated) path for the given dancer.
void	DanceFloor.notifyBeat(Fraction beat) Notify the choreography engine that the given beat is now occurring.
Fraction	DanceFloor.waitForBeat(Fraction beat) Block waiting until notifyBeat() is called with a beat greater than or equal to that specified.

Uses of Fraction in net.cscott.sdr.anim

Methods in net.cscott.sdr.anim that return Fraction

Fraction

SilentBeatTimer.getCurrentBeat()

Methods in net.cscott.sdr.anim with parameters of type Fraction

void	AnimDancer.update(Fraction time) Update the node based on the current beat time.
void	CheckerDancer.update(Fraction time, float x, float y, float rot)
abstract void	AnimDancer.update(Fraction time, float x, float y, float rot) Subclasses should implement this to draw the dancer.

Uses of Fraction in net.cscott.sdr.calls

Fields in net.cscott.sdr.calls declared as Fraction

Fraction	Rotation.amount The amount of the rotation.
Fraction	DancerBezierPath.duration
Fraction	Rotation.modulus The 'modulus' of the rotation: indicates the amount of uncertainty in the direction.
Fraction	BadCallException.priority Priority field helps us distinguish ordinary "you can't do that from here" exceptions from special messages from If nodes, like "facing recycle is not valid at Plus".
Fraction	DancerBezierPath.startTime
Fraction	Timed.time If isAbsolute is true, then the absolute time at which this formation should appear.
Fraction	DancerPath.time The time this motion should take.
Fraction	Position.x Location.
Fraction	Position.y Location.

Fields in net.cscott.sdr.calls with type parameters of type Fraction

static ExprFunc<Fraction>	ExprList._ADD_NUM Simple math: addition.
static ExprFunc<Fraction>	ExprList._DIVIDE_NUM Simple math: division.
static ExprFunc<Fraction>	ExprList._FLOOR Simple math: return integer part of a fraction.
static ExprFunc<Fraction>	ExprList._FRACTION Simple math: return fractional part of a number.
static ExprFunc<Fraction>	ExprList._MOD_NUM Simple math: modulo.
static ExprFunc<Fraction>	ExprList._MULTIPLY_NUM Simple math: multiplication.
static ExprFunc<Fraction>	ExprList._SUBTRACT_NUM Simple math: subtraction.
static ExprFunc<Fraction>	ExprList.NUM_DANCERS

Methods in net.cscott.sdr.calls that return Fraction

Fraction	DanceState.currentTime() Return the time of the last formation.
Fraction	ExactRotation.minSweep(ExactRotation er) Compute the minimum angle (in absolute value) between this heading and the given heading er.
Fraction	Position.roll() Return a roll amount from the Position.Flag.ROLL_LEFT and Position.Flag.ROLL_RIGHT Position.Flags set on this Position.
Fraction	Position.sweep() Return a sweep amount from the Position.Flag.SWEEP_LEFT and Position.Flag.SWEEP_RIGHT Position.Flags set on this Position.
Fraction	ExactRotation.toX() Return the X offset of a one-unit step in the rotation direction.
Fraction	ExactRotation.toY() Return the Y offset of a one-unit step in the rotation direction.

Methods in net.cscott.sdr.calls with parameters of type Fraction

Rotation	Rotation.add(Fraction f) Add the given amount to this rotation direction.
ExactRotation	ExactRotation.add(Fraction f) Add the given amount to this rotation direction.
DancerBezierPath	DancerPath.bezier(Fraction startTime) Return a low-level DancerBezierPath for this DancerPath.
static Rotation	Rotation.create(Fraction amount, Fraction modulo)
Formation	DanceState.formationAt(Fraction time) Return the latest formation at or preceding the given time.
Position	Position.forwardStep(Fraction distance, boolean stepIn) Move the given distance in the facing direction, clearing any Position.Flags.
static ExactRotation	ExactRotation.fromXY(Fraction x, Fraction y) Convert an x/y displacement to a rotation, using our 'squared off' circle.
Position	Position.relocate(Fraction x, Fraction y, Rotation facing) Move a Position, preserving its flags.
DancerPath	DancerPath.scaleTime(Fraction amount) Return an equivalent DancerPath that completes in an adjusted amount of time.
Position	Position.sideStep(Fraction distance, boolean stepIn) Move the given distance perpendicular to the facing direction, clearing any Position.Flags.
Rotation	Rotation.subtract(Fraction f) Subtract the given amount from this rotation direction.
ExactRotation	ExactRotation.subtract(Fraction f) Subtract the given amount from this rotation direction.
void	DanceState.syncDancers(Fraction time) Add "do nothing" actions as necessary so that every dancer's next action will occur at the given time.
Position	Position.turn(Fraction amount, boolean faceIn) Turn in place the given amount, clearing any Position.Flags.
Position	Position.turn(Fraction amount, boolean faceIn, Position reference) Turn in place the given amount, clearing any Position.Flags.

Constructors in net.cscott.sdr.calls with parameters of type Fraction

BadCallException(String s, Fraction priority)

DancerBezierPath(Fraction startTime, Fraction duration, Bezier.Bezier2D location, Bezier.Bezier2D direction)

DancerPath(Position from, Position to, Fraction time, DancerPath.PointOfRotation pointOfRotation, Collection<DancerPath.Flag> flags)

DancerPath(Position from, Position to, Fraction time, DancerPath.PointOfRotation pointOfRotation, DancerPath.Flag... flags)
Create an immutable DancerPath object.

ExactRotation(Fraction amount)
Constructor from a Fraction object.

Position(Fraction x, Fraction y, Rotation facing, Position.Flag... flags)
Create a Position object from the given x and y coordinates, facing Rotation, and Position.Flags.

Position(Fraction x, Fraction y, Rotation facing, Set<Position.Flag> flags)
Create a Position object from the given x and y coordinates, facing Rotation, and the given Set of Position.Flags.

Rotation(Fraction amount, Fraction modulo)
Private constructor from a Fraction object.

Timed(Fraction time, boolean isAbsolute)

TimedAction(Action action, Fraction time, boolean isAbsolute)

TimedFormation(Formation formation, Fraction time, boolean isAbsolute)

TimedPosition(Position position, Fraction time, boolean isAbsolute)

Uses of Fraction in net.cscott.sdr.calls.ast

Fields in net.cscott.sdr.calls.ast declared as Fraction

Fraction	If.priority Priority of the message: if a parallel operation causes failures in multiple places, the one with the highest priority will be reported.
Fraction	Prim.time The number of beats which this motion should take.
Fraction	Prim.x Amount of movement in the 'sashay' direction (dancer's right/left).
Fraction	Prim.y Amount of movement in the 'walking' direction (dancer forward and back).

Methods in net.cscott.sdr.calls.ast with parameters of type Fraction

Prim	Prim.build(Prim.Direction dirX, Fraction x, Prim.Direction dirY, Fraction y, Prim.Direction dirRot, ExactRotation rot, Fraction time, Prim.Flag... flags) Factory: creates new Prim only if it would differ from this.
static Expr	Expr.literal(Fraction f)
Prim	Prim.scaleTime(Fraction f) Create a new Prim, identical to this one except that the time is scaled by the given fraction.

Constructors in net.cscott.sdr.calls.ast with parameters of type Fraction

If(If.When when, Expr condition, Comp child, String msg, Fraction priority)

Part(Part.Divisibility divisibility, Fraction howMany, Comp child)

Prim(Prim.Direction dirX, Fraction x, Prim.Direction dirY, Fraction y, Prim.Direction dirRot, ExactRotation rot, Fraction time, Prim.Flag... flags)

Uses of Fraction in net.cscott.sdr.calls.grm

Fields in net.cscott.sdr.calls.grm declared as Fraction

Fraction

Rule.prec

Constructors in net.cscott.sdr.calls.grm with parameters of type Fraction

Rule(String lhs, Grm rhs, Fraction prec)

Uses of Fraction in net.cscott.sdr.calls.lists

Methods in net.cscott.sdr.calls.lists that return Fraction

Fraction	PlusGrammarParser.a_digit_greater_than_two()
Fraction	MainstreamGrammarParser.a_digit_greater_than_two()
Fraction	C4GrammarParser.a_digit_greater_than_two()
Fraction	C3bGrammarParser.a_digit_greater_than_two()
Fraction	C3aGrammarParser.a_digit_greater_than_two()
Fraction	C2GrammarParser.a_digit_greater_than_two()
Fraction	C1GrammarParser.a_digit_greater_than_two()
Fraction	BasicGrammarParser.a_digit_greater_than_two()
Fraction	A2GrammarParser.a_digit_greater_than_two()
Fraction	A1GrammarParser.a_digit_greater_than_two()
Fraction	PlusGrammarParser.a_digit()
Fraction	MainstreamGrammarParser.a_digit()
Fraction	C4GrammarParser.a_digit()
Fraction	C3bGrammarParser.a_digit()
Fraction	C3aGrammarParser.a_digit()
Fraction	C2GrammarParser.a_digit()
Fraction	C1GrammarParser.a_digit()
Fraction	BasicGrammarParser.a_digit()
Fraction	A2GrammarParser.a_digit()
Fraction	A1GrammarParser.a_digit()
Fraction	PlusGrammarParser.a_fraction()
Fraction	MainstreamGrammarParser.a_fraction()
Fraction	C4GrammarParser.a_fraction()
Fraction	C3bGrammarParser.a_fraction()
Fraction	C3aGrammarParser.a_fraction()
Fraction	C2GrammarParser.a_fraction()
Fraction	C1GrammarParser.a_fraction()
Fraction	BasicGrammarParser.a_fraction()
Fraction	A2GrammarParser.a_fraction()
Fraction	A1GrammarParser.a_fraction()
Fraction	PlusGrammarParser.a_number()
Fraction	MainstreamGrammarParser.a_number()
Fraction	C4GrammarParser.a_number()
Fraction	C3bGrammarParser.a_number()
Fraction	C3aGrammarParser.a_number()
Fraction	C2GrammarParser.a_number()
Fraction	C1GrammarParser.a_number()
Fraction	BasicGrammarParser.a_number()
Fraction	A2GrammarParser.a_number()
Fraction	A1GrammarParser.a_number()
Fraction	PlusGrammarParser.integer()
Fraction	MainstreamGrammarParser.integer()
Fraction	C4GrammarParser.integer()
Fraction	C3bGrammarParser.integer()
Fraction	C3aGrammarParser.integer()
Fraction	C2GrammarParser.integer()
Fraction	C1GrammarParser.integer()
Fraction	BasicGrammarParser.integer()
Fraction	A2GrammarParser.integer()
Fraction	A1GrammarParser.integer()
Fraction	PlusGrammarParser.one_times()
Fraction	MainstreamGrammarParser.one_times()
Fraction	C4GrammarParser.one_times()
Fraction	C3bGrammarParser.one_times()
Fraction	C3aGrammarParser.one_times()
Fraction	C2GrammarParser.one_times()
Fraction	C1GrammarParser.one_times()
Fraction	BasicGrammarParser.one_times()
Fraction	A2GrammarParser.one_times()
Fraction	A1GrammarParser.one_times()

Uses of Fraction in net.cscott.sdr.calls.parser

Fields in net.cscott.sdr.calls.parser declared as Fraction

Fraction

AstParser.in_out_num_return.amt

Methods in net.cscott.sdr.calls.parser that return Fraction

Fraction	AstParser.fraction()
Fraction	CallFileBuilder.number()
Fraction	AstParser.number()
Fraction	CallFileBuilder.rotation()

Uses of Fraction in net.cscott.sdr.calls.transform

Methods in net.cscott.sdr.calls.transform with parameters of type Fraction

Apply	RemoveIn.visit(Apply a, Fraction f)
SeqCall	Fractional.visit(Apply apply, Fraction f)
Comp	Fractional.visit(If iff, Fraction f)
Comp	RemoveIn.visit(In in, Fraction f)
In	Fractional.visit(In in, Fraction f)
Opt	RemoveIn.visit(Opt o, Fraction f)
Par	RemoveIn.visit(Par p, Fraction f)
Part	Fractional.visit(Part p, Fraction f)
Prim	RemoveIn.visit(Prim p, Fraction f)
Prim	Fractional.visit(Prim p, Fraction f)
Seq	RemoveIn.visit(Seq s, Fraction f)
Comp	Fractional.visit(Seq s, Fraction f)

Uses of Fraction in net.cscott.sdr.sound

Methods in net.cscott.sdr.sound that return Fraction

Fraction

MidiTimer.getCurrentBeat()

Uses of Fraction in net.cscott.sdr.util

Fields in net.cscott.sdr.util declared as Fraction

Fraction	Interval.end
static Fraction	Fraction.FIVE_EIGHTHS Fraction representation of 5/8.
static Fraction	Fraction.FOUR Fraction representation of 4.
static Fraction	Fraction.FOUR_FIFTHS Fraction representation of 4/5.
static Fraction	Fraction.mFOUR Fraction representation of -4.
static Fraction	Fraction.mONE Fraction representation of -1.
static Fraction	Fraction.mONE_HALF Fraction representation of -1/2.
static Fraction	Fraction.mONE_QUARTER Fraction representation of -1/4.
static Fraction	Fraction.mONE_THIRD Fraction representation of -1/3.
static Fraction	Fraction.mTHREE Fraction representation of -3.
static Fraction	Fraction.mTHREE_HALVES Fraction representation of -3/2.
static Fraction	Fraction.mTHREE_QUARTERS Fraction representation of -3/4.
static Fraction	Fraction.mTWO Fraction representation of -2.
static Fraction	Fraction.mTWO_THIRDS Fraction representation of -2/3.
static Fraction	Fraction.ONE Fraction representation of 1.
static Fraction	Fraction.ONE_EIGHTH Fraction representation of 1/8.
static Fraction	Fraction.ONE_FIFTH Fraction representation of 1/5.
static Fraction	Fraction.ONE_HALF Fraction representation of 1/2.
static Fraction	Fraction.ONE_QUARTER Fraction representation of 1/4.
static Fraction	Fraction.ONE_THIRD Fraction representation of 1/3.
static Fraction	Fraction.SEVEN_EIGHTHS Fraction representation of 7/8.
Fraction	Interval.start
static Fraction	Fraction.THREE Fraction representation of 3.
static Fraction	Fraction.THREE_EIGHTHS Fraction representation of 3/8.
static Fraction	Fraction.THREE_FIFTHS Fraction representation of 3/5.
static Fraction	Fraction.THREE_HALVES Fraction representation of 3/2.
static Fraction	Fraction.THREE_QUARTERS Fraction representation of 3/4.
static Fraction	Fraction.TWO Fraction representation of 2.
static Fraction	Fraction.TWO_FIFTHS Fraction representation of 2/5.
static Fraction	Fraction.TWO_THIRDS Fraction representation of 2/3.
Fraction	Point.x
Fraction	Point.y
static Fraction	Fraction.ZERO Fraction representation of 0.

Methods in net.cscott.sdr.util that return Fraction

Fraction	Fraction.abs() Gets a fraction that is the positive equivalent of this one.
Fraction	Fraction.add(Fraction fraction) Adds the value of this fraction to another.
static Fraction	Bezier.cubicDeriv(Fraction p0, Fraction p1, Fraction p2, Fraction p3, Fraction t) Evaluate the derivative of a cubic bezier with the given four control points.
static Fraction	Bezier.cubicInterp(Fraction p0, Fraction p1, Fraction p2, Fraction p3, Fraction t) Evaluate a cubic bezier with the given four control points.
Fraction	Fraction.divide(Fraction fraction) Divide the value of this fraction by another.
Fraction	Fraction.divideBy(Fraction fraction) Deprecated. Renamed to divide()
static Fraction	Fraction.getFraction(double value) Deprecated. Renamed this method to valueOf() for consistency.
static Fraction	Fraction.getFraction(int numerator, int denominator) Deprecated. For reasons of backwards-compatibility, this method does not simplify fractions. The Fraction objects returned are thus subject to overflow. It should not be used in new code. Use valueOf() instead.
static Fraction	Fraction.getFraction(int whole, int numerator, int denominator) Deprecated. For reasons of backwards-compatibility, this method does not simplify fractions. The Fraction objects returned are thus subject to overflow. It should not be used in new code. Use valueOf() instead.
static Fraction	Fraction.getFraction(String str) Deprecated. For reasons of backwards-compatibility, this method does not simplify fractions. The Fraction objects returned are thus subject to overflow. It should not be used in new code. Use valueOf() instead.
static Fraction	Fraction.getReducedFraction(int numerator, int denominator) Deprecated. All fractions are now stored as reduced fractions; use the valueOf() method instead.
Fraction	Box.height()
Fraction	Fraction.invert() Gets a fraction that is the inverse (1/fraction) of this one.
Fraction	Fraction.multiply(Fraction fraction) Multiplies the value of this fraction by another.
Fraction	Fraction.multiplyBy(Fraction fraction) Deprecated. Renamed to multiply()
Fraction	Fraction.negate() Gets a fraction that is the negative (-fraction) of this one.
Fraction	Fraction.pow(int power) Gets a fraction that is raised to the passed in power.
static Fraction	Bezier.quadInterp(Fraction p0, Fraction p1, Fraction p2, Fraction t) Evaluate a quadratic bezier with the given three control points.
Fraction	Fraction.quantize(int nDenom) Quantize the given fraction to the nearest x/nDenom.
Fraction	Fraction.reduce() Deprecated. Unless you are using deprecated methods this operation is a no-op.
Fraction	Fraction.subtract(Fraction fraction) Subtracts the value of another fraction from the value of this one.
static Fraction	Fraction.valueOf(double value) Creates a Fraction instance from a double value.
static Fraction	Fraction.valueOf(int value) Creates a Fraction instance from a int value.
static Fraction	Fraction.valueOf(int numerator, int denominator) Creates a Fraction instance with the 2 parts of a fraction Y/Z.
static Fraction	Fraction.valueOf(int whole, int numerator, int denominator) Creates a Fraction instance with the 3 parts of a fraction X Y/Z.
static Fraction	Fraction.valueOf(String str) Creates a Fraction from a String.
Fraction	Box.width()

Methods in net.cscott.sdr.util with parameters of type Fraction

Fraction	Fraction.add(Fraction fraction) Adds the value of this fraction to another.
int	Fraction.compareTo(Fraction other) Compares this object to another based on size.
static Fraction	Bezier.cubicDeriv(Fraction p0, Fraction p1, Fraction p2, Fraction p3, Fraction t) Evaluate the derivative of a cubic bezier with the given four control points.
static Fraction	Bezier.cubicInterp(Fraction p0, Fraction p1, Fraction p2, Fraction p3, Fraction t) Evaluate a cubic bezier with the given four control points.
Fraction	Fraction.divide(Fraction fraction) Divide the value of this fraction by another.
Fraction	Fraction.divideBy(Fraction fraction) Deprecated. Renamed to divide()
Point	Bezier.Bezier2D.evaluate(Fraction t) Evaluate the given Bezier at the given time parameter, which should be in the range [0, 1].
Fraction	Fraction.multiply(Fraction fraction) Multiplies the value of this fraction by another.
Point	Point.multiply(Fraction f)
Fraction	Fraction.multiplyBy(Fraction fraction) Deprecated. Renamed to multiply()
static Fraction	Bezier.quadInterp(Fraction p0, Fraction p1, Fraction p2, Fraction t) Evaluate a quadratic bezier with the given three control points.
Fraction	Fraction.subtract(Fraction fraction) Subtracts the value of another fraction from the value of this one.

Constructors in net.cscott.sdr.util with parameters of type Fraction

Interval(Fraction start, Fraction end)
Create an Interval from start to end.

Point(Fraction x, Fraction y)