com.threerings.expr
Class FloatExpression

java.lang.Object
  com.threerings.util.DeepObject
      com.threerings.expr.FloatExpression

All Implemented Interfaces:

Exportable, Copyable, Cloneable

Direct Known Subclasses:

FloatExpression.BinaryOperation, FloatExpression.Clock, FloatExpression.Constant, FloatExpression.Parsed, FloatExpression.Reference, FloatExpression.UnaryOperation

@EditorTypes(value={FloatExpression.Parsed.class,FloatExpression.Constant.class,FloatExpression.Reference.class,FloatExpression.Clock.class,FloatExpression.Negate.class,FloatExpression.Add.class,FloatExpression.Subtract.class,FloatExpression.Multiply.class,FloatExpression.Divide.class,FloatExpression.Remainder.class,FloatExpression.Pow.class,FloatExpression.Exp.class,FloatExpression.Sin.class,FloatExpression.Cos.class,FloatExpression.Tan.class,FloatExpression.Square.class,FloatExpression.Triangle.class,FloatExpression.Ramp.class,FloatExpression.Saw.class,FloatExpression.Noise1.class,FloatExpression.Noise2.class})
public abstract class FloatExpression
extends DeepObject
implements Exportable

A float-valued expression.

Nested Class Summary

static class	FloatExpression.Add Adds its operands.
static class	FloatExpression.BinaryOperation The superclass of the binary operations.
static class	FloatExpression.Clock A clock-based expression.
static class	FloatExpression.Constant A constant expression.
static class	FloatExpression.Cos Computes the cosine of its operand.
static class	FloatExpression.Divide Divides the first operand by the second.
static class	FloatExpression.Evaluator Performs the actual evaluation of the expression.
static class	FloatExpression.Exp Raises e to the power of its operand.
static class	FloatExpression.Multiply Multiplies its operands.
static class	FloatExpression.Negate Negates its operand.
static class	FloatExpression.Noise1 Computes the one-dimensional Perlin noise value corresponding to the operand.
static class	FloatExpression.Noise2 Computes the two-dimensional Perlin noise value corresponding to the operands.
static class	FloatExpression.Parsed An expression entered as a string to be parsed.
static class	FloatExpression.Pow Raises the first operand to the power of the second.
static class	FloatExpression.Ramp Computes the ramp (reverse sawtooth) wave value of its operand.
static class	FloatExpression.Reference A reference expression.
static class	FloatExpression.Remainder Computes the floating point remainder when the first operand is divided by the second.
static class	FloatExpression.Saw Computes the sawtooth wave value of its operand.
static class	FloatExpression.Sin Computes the sine of its operand.
static class	FloatExpression.Square Computes the square wave value of its operand.
static class	FloatExpression.Subtract Subtracts the second operand from the first.
static class	FloatExpression.Tan Computes the tangent of its operand.
static class	FloatExpression.Triangle Computes the triangle wave value of its operand.
static class	FloatExpression.UnaryOperation The superclass of the unary operations.

Constructor Summary

FloatExpression()

Method Summary

abstract FloatExpression.Evaluator	createEvaluator(Scope scope) Creates an expression evaluator for the supplied context.
void	invalidate() Invalidates any cached data.

Methods inherited from class com.threerings.util.DeepObject

clone, copy, copy, equals, hashCode, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FloatExpression

public FloatExpression()

Method Detail

createEvaluator

public abstract FloatExpression.Evaluator createEvaluator(Scope scope)

Creates an expression evaluator for the supplied context.

invalidate

public void invalidate()

Invalidates any cached data.