mt
Class MT_TrapShapeButterfly

Object
  common:Generic
      common:TrapShape
          mt:MT_TrapShapeButterfly

class 
TrapShape:MT_TrapShapeButterfly

Mark Townsend, May 2008

Ultra Fractal Source

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 class MT_TrapShapeButterfly(common.ulb:TrapShape) {
 ;
 ; Mark Townsend, May 2008
 ;
 public:
   float func Iterate(complex pz)
     TrapShape.Iterate(pz)
     float theta = atan2(pz)
     float radius = @a * exp(cos(theta))-2*cos(@n*theta)+ (sin(theta/12))^5
     if @trap_mode == "Radius"
       return abs(cabs(pz) - radius)
     else
       complex p = radius * sin(theta) + flip(radius * cos(theta))
       m_LastZ = p
       return cabs(pz - p)
     endif
   endfunc
   
 default:
   title = "Butterfly"
   float param a
     caption = "Curve radius"
     default = 1
   endparam
  float param n
     caption = "N"
     default = 4
   endparam
   param trap_mode
     caption = "Mode"
     enum = "Radius" "Point"
   endparam
 }
 

Constructor Summary

MT_TrapShapeButterfly()

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_TrapShapeButterfly

public MT_TrapShapeButterfly()

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