mt
Class MT_YorkeTexture

Object
  common:Generic
      common:TrapShape
          mt:MT_YorkeTexture

class 
TrapShape:MT_YorkeTexture

Mark Townsend, May 2008

Ultra Fractal Source

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 class MT_YorkeTexture(common.ulb:TrapShape) {
 ;
 ; Mark Townsend, May 2008
 ;
 public:
   func MT_YorkeTexture(Generic pparent)
     TrapShape.TrapShape(pparent)
     A110 = -0.26813663648754
     B110 =  0.98546084298505
     A210 =  0.08818611671542
     B210 =  0.99030722865609
     A101 = -0.91067559396390
     B101 =  0.50446045609351
     A201 = -0.56502889980448
     B201 =  0.33630697012268
     A111 =  0.31172026382793
     B111 =  0.94707472523078
     A211 =  0.16299548727086
     B211 =  0.29804921230971
     A11m1 = -0.04003977835470
     B11m1 =  0.23350105508507
     A21m1 = -0.80398881978155
     B21m1 =  0.15506467277737
     twopi = 2 * #PI
   endfunc
   
   float func Iterate(complex pz)
     int i = 0
     float x = real(pz)
     float y = imag(pz)
     while i < @max_iterations
       float trigx = A110 * sin(TWOPI * (x + B110)) + \
           A101 * sin(TWOPI * (y + B101)) +     \
           A111 * sin(TWOPI * (x + y + B111)) + \
           A11m1 * sin(TWOPI * (x - y + B11m1))
       float trigy = A210 * sin(TWOPI * (x + B210)) + \
           A201 * sin(TWOPI * (y + B201)) +     \
           A211 * sin(TWOPI * (x + y + B211)) + \
           A21m1 * sin(TWOPI * (x - y + B21m1))
       x = (x + @xshift + @a * trigx)
       y = (y + @yshift + @a * trigy)
       i = i + 1
     endwhile
     m_LastZ = x + flip(y)
     return cabs(pz - m_LastZ)
   endfunc
 
 private:
     float A110
     float B110
     float A210
     float B210
     float A101
     float B101
     float A201
     float B201
     float A111
     float B111
     float A211
     float B211
     float A11m1
     float B11m1
     float A21m1
     float B21m1
     float twopi
   
 default:
   title = "Yorke Texture"
   float param a
     caption = "Chaoticity"
     default = 0.5
   endparam
   float param xshift
     caption = "X Shift"
     default = 0.486
   endparam
   float param yshift
     caption = "Y Shift"
     default = 0.905
   endparam
   param max_iterations
     caption = "Iterations"
     default = 3
     min = 1
   endparam
 }
 

Constructor Summary

MT_YorkeTexture()

MT_YorkeTexture(Generic pparent)

Method Summary

float

Iterate(complex pz) call this for each iteration being trapped

Methods inherited from class common:TrapShape

GetColorChannel, GetTextureValue, GetTransformedPoint, Init, IterateSilent, SetThreshold

Methods inherited from class common:Generic

GetParent

Methods inherited from class Object

Constructor Detail

MT_YorkeTexture

public MT_YorkeTexture(Generic pparent)

MT_YorkeTexture

public MT_YorkeTexture()

Method Detail

Iterate

public float Iterate(complex pz)

Description copied from class: TrapShape

call this for each iteration being trapped

Overrides:

Iterate in class TrapShape