Packagecom.degrafa.utilities.math
Classpublic class QuadraticHermiteCurve


Public Properties
 PropertyDefined by
  tx : Number
[write-only] [set] tx Assign x-coordinate of start tangent
QuadraticHermiteCurve
  ty : Number
[write-only] [set] y0 Assign y-coordinate of start tangent
QuadraticHermiteCurve
  x0 : Number
[write-only] [set] x0 Assign x-coordinate of first interpolation point
QuadraticHermiteCurve
  x1 : Number
[write-only] [set] x1 Assign x-coordinate of second interpolation point
QuadraticHermiteCurve
  y0 : Number
[write-only] [set] y0 Assign y-coordinate of first interpolation point
QuadraticHermiteCurve
  y1 : Number
[write-only] [set] y1 Assign y-coordinate of second interpolation point
QuadraticHermiteCurve
Public Methods
 MethodDefined by
  
QuadraticHermiteCurve(_x0:Number = 0, _y0:Number = 0, _x1:Number = 0, _y1:Number = 0, _tx:Number = 0, _ty:Number = 0)
QuadraticHermitCurve Construct a new QuadraticHeriteCurve instance.
QuadraticHermiteCurve
  
getCoef():Object
QuadraticHermiteCurve
  
getX(_t:Number):Number
getX Access the x-coordinate of the curve at the specified t-parameter
QuadraticHermiteCurve
  
getXPrime(_t:Number):Number
getXPrime Access the x-coordinate of dx/dt at the specified t-parameter
QuadraticHermiteCurve
  
getY(_t:Number):Number
getY Access the y-coordinate of the curve at the specified t-parameter
QuadraticHermiteCurve
  
getYPrime(_t:Number):Number
getYPrime Access the x-coordinate of dy/dt at the specified t-parameter
QuadraticHermiteCurve
Property detail
txproperty
tx:Number  [write-only]

[set] tx Assign x-coordinate of start tangent

Implementation
    public function set tx(value:Number):void
typroperty 
ty:Number  [write-only]

[set] y0 Assign y-coordinate of start tangent

Implementation
    public function set ty(value:Number):void
x0property 
x0:Number  [write-only]

[set] x0 Assign x-coordinate of first interpolation point

Implementation
    public function set x0(value:Number):void
x1property 
x1:Number  [write-only]

[set] x1 Assign x-coordinate of second interpolation point

Implementation
    public function set x1(value:Number):void
y0property 
y0:Number  [write-only]

[set] y0 Assign y-coordinate of first interpolation point

Implementation
    public function set y0(value:Number):void
y1property 
y1:Number  [write-only]

[set] y1 Assign y-coordinate of second interpolation point

Implementation
    public function set y1(value:Number):void
Constructor detail
QuadraticHermiteCurve()constructor
public function QuadraticHermiteCurve(_x0:Number = 0, _y0:Number = 0, _x1:Number = 0, _y1:Number = 0, _tx:Number = 0, _ty:Number = 0)

QuadraticHermitCurve Construct a new QuadraticHeriteCurve instance.

Parameters
_x0:Number (default = 0) — x-coordinate of first interpolation point
 
_y0:Number (default = 0) — y-coordinate of first interpolation point
 
_x1:Number (default = 0) — x-coordinate of second inpterolation point
 
_y1:Number (default = 0) — y-coordinate of second interpolation point
 
_tx:Number (default = 0) — x-coordinate of start tangent (tangent to first interpolation point)
 
_ty:Number (default = 0) — y-coordinate of start tangent (tangent to first interpolation point)
Method detail
getCoef()method
public function getCoef():Object

Returns
Object
getX()method 
public function getX(_t:Number):Number

getX Access the x-coordinate of the curve at the specified t-parameter

Parameters
_t:Number — t-paramter in [0,1].

Returns
Number — Number x-coordinate of quadratic Hermite curve at the specified t-parameter. Extrapolating outside [0.1] is allowed, but not recommended. Assign interpolation points and start tangent before calling this method.
getXPrime()method 
public function getXPrime(_t:Number):Number

getXPrime Access the x-coordinate of dx/dt at the specified t-parameter

Parameters
_t:Number — t-paramter in [0,1].

Returns
Number — Number x-coordinate of dx/dt at the specified t-parameter. Extrapolating outside [0.1] is allowed, but not recommended. Assign interpolation points and start tangent before calling this method.
getY()method 
public function getY(_t:Number):Number

getY Access the y-coordinate of the curve at the specified t-parameter

Parameters
_t:Number — t-paramter in [0,1].

Returns
Number — Number y-coordinate of quadratic Hermite curve at the specified t-parameter. Extrapolating outside [0.1] is allowed, but not recommended. Assign interpolation points and start tangent before calling this method.
getYPrime()method 
public function getYPrime(_t:Number):Number

getYPrime Access the x-coordinate of dy/dt at the specified t-parameter

Parameters
_t:Number — t-paramter in [0,1].

Returns
Number — Number y-coordinate of dy/dt at the specified t-parameter. Extrapolating outside [0.1] is allowed, but not recommended. Assign interpolation points and start tangent before calling this method.