mt
Class MT_PopcornTexture

Object
  common:Generic
      common:TrapShape
          mt:MT_PopcornTexture

class 
TrapShape:MT_PopcornTexture

Mark Townsend, May 2008

Ultra Fractal Source

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 class MT_PopcornTexture(common.ulb:TrapShape) {
 ;
 ; Mark Townsend, May 2008
 ;
 public:
   float func Iterate(complex pz)
     int i = 0
     float x = real(pz)
     float y = imag(pz)
     while i < @max_iterations
       float xx = x
       x = x - @h * real(@fn1(y + @fn2(real(@a) * y)))
       y = y - @h * real(@fn3(xx + @fn4(imag(@a) * xx)))
       i = i + 1
     endwhile
     m_LastZ = x + flip(y)
     return cabs(pz - m_LastZ)
   endfunc
   
 default:
   title = "Popcorn Texture"
   param a
     caption = "Alpha"
     default = (3.0, 3.0)
   endparam
   param h
     caption = "Step Size"
     default = 0.05
     hint = "This is step size for the Popcorn formula."
   endparam
   param max_iterations
     caption = "Iterations"
     default = 3
     min = 1
     hint = "This is the number of iterations for the \
             Popcorn formula."
   endparam
   func fn1
     caption = "Re Popcorn #1"
     default = sin()
   endfunc
   func fn2
     caption = "Re Popcorn #2"
     default = tan()
   endfunc
   func fn3
     caption = "Im Popcorn #1"
     default = sin()
   endfunc
   func fn4
     caption = "Im Popcorn #2"
     default = tan()
   endfunc
 }
 

Constructor Summary

MT_PopcornTexture()

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_PopcornTexture

public MT_PopcornTexture()

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