reb
Class REB_TrapShapeCosMartin2

Object
  common:Generic
      common:TrapShape
          reb:REB_TrapShapeCosMartin2

class 
TrapShape:REB_TrapShapeCosMartin2

Uses the CosMartin strange attractor as the trap shape. Can also be used as a texture.
CosMartin is the cosine variant of the Martin strange attractor.

Ultra Fractal Source

Toggle UF Source Code Display

 class REB_TrapShapeCosMartin2(common.ulb:TrapShape) {
 ; Uses the CosMartin strange attractor as the trap shape. Can also be used as a texture. <br>
 ; CosMartin is the cosine variant of the Martin strange attractor. <br>
  public:
    import "common.ulb"
 
 ; Constructor
    func REB_TrapShapeCosMartin2(Generic pparent)
      TrapShape.TrapShape(pparent)
    endfunc
    
   ; Call this for each iteration being trapped.
    float func Iterate(complex pz)
     TrapShape.Iterate(pz)
     float scale = @h1
     scale = @scaleadj*scale
     int sgn = 1
     if @sgn
       sgn = -1
     endif
      complex p = pz
      p = @fn1(p)
      float x = real(p)*scale
      float y = imag(p)*scale
      float pxx = 0
      int att_iter = 0
 
      while att_iter < @max_att_iterations
        pxx = x
        x = y - cos(x)
        y = @h1 - pxx
        att_iter = att_iter + 1
      endwhile
      m_LastZ = @fn2(x + sgn*flip(y))
      float d = abs(|pz| - |m_LastZ|)
      return d
    endfunc
    
  default:
    title = "CosMartin 2"
   int param v_trapshapecosmartin2
     caption = "Version (Trap Shape CosMartin 2)"
     default = 101
     hint = "This version parameter is used to detect when a change has been made to the formula that is incompatible with the previous version. When that happens, this field will reflect the old version number to alert you to the fact that an alternate rendering is being used."
     visible = @v_trapshapecosmartin2 < 101
   endparam
    
    float param h1
      caption = "CosMartin param"
      default = 6.28
    endparam
    float param scaleadj
      caption = "Scale"
      default = 1
    endparam
    int param max_att_iterations
      caption = "Attractor iterations"
      default = 1
    endparam
   func fn1
     caption = "Pre Function"
     default = atan()
   endfunc
   func fn2
     caption = "Post Function"
     default = sinh()
   endfunc
    bool param sgn
      caption = "Conjugate transform"
      default = false
    endparam
  }
 

Constructor Summary

REB_TrapShapeCosMartin2()

REB_TrapShapeCosMartin2(Generic pparent)
Constructor

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

REB_TrapShapeCosMartin2

public REB_TrapShapeCosMartin2(Generic pparent)

Constructor

REB_TrapShapeCosMartin2

public REB_TrapShapeCosMartin2()

Method Detail

Iterate

public float Iterate(complex pz)

Call this for each iteration being trapped.

Overrides:

Iterate in class TrapShape