reb
Class ImageTrapModeExponentialAverage

Object
  extended by common:Generic
      extended by reb:ImageTrapMode
          extended by reb:ImageTrapModeWithThreshold
              extended by reb:ImageTrapModeExponentialAverage

class 
ImageTrapModeWithThreshold:ImageTrapModeExponentialAverage

trap mode average variant based upon a class of Damien Jones


Ultra Fractal Source

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 class ImageTrapModeExponentialAverage(ImageTrapModeWithThreshold) {
 ; trap mode average variant based upon a class of Damien Jones
 public:
   import "common.ulb"
 
   ; constructor
   func ImageTrapModeExponentialAverage(Generic pparent)
     ImageTrapModeWithThreshold.IMageTrapModeWithThreshold(pparent)
   endfunc
 
   ; initialize the object
   func Init(complex pz)
     ImageTrapModeWithThreshold.Init(pz)
 
     m_Solid = true
   endfunc
 
   ; call for each iterated point
   func Iterate(complex pz, complex pzt, float pdistance, float ptexture, color pcolor)
     ImageTrapModeWithThreshold.Iterate(pz, pzt, pdistance,ptexture,pcolor)
     m_a = alpha(pcolor)
     if (pdistance < m_Threshold && m_a >= m_AThreshold)
       float expd = exp(-pdistance)
       m_Distances[0] = m_Distances[0] + expd
       m_UntransformedPoints[0] = pz + (m_UntransformedPoints[0]-pz) * expd
       m_Textures[0] = m_Textures[0] + exp(abs(ptexture))
       m_TransformedPoints[0] = pzt + (m_TransformedPoints[0]-pzt) * expd
       m_IterationPoints[0] = m_Iterations + (m_IterationPoints[0]-m_Iterations) * expd
       m_Solid = false
       m_ImagePoints[0] = pcolor
       edgefade(pdistance)
     endif
   endfunc
 
 default:
   title = "Exponential Average"
   int param v_exponentialaverage
     caption = "Version (Exponential Average)"
     default = 100
     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_exponentialaverage < 100
   endparam
 }
 


Constructor Summary
ImageTrapModeExponentialAverage()
           
ImageTrapModeExponentialAverage(Generic pparent)
          constructor
 
Method Summary
 void Init(complex pz)
          initialize the object
 void Iterate(complex pz, complex pzt, float pdistance, float ptexture, color pcolor)
          call for each iterated point
 
Methods inherited from class reb:ImageTrapModeWithThreshold
EdgeFade, GetAThreshold, GetThreshold, SetAThreshold, SetThreshold, UsesAThreshold, UsesThreshold
 
Methods inherited from class reb:ImageTrapMode
GetColor, GetDistance, GetIteration, GetTexture, GetTransformedPoint, GetUntransformedPoint, IsSolid, IterateSilent, Result
 
Methods inherited from class common:Generic
GetParent
 
Methods inherited from class Object
 

Constructor Detail

ImageTrapModeExponentialAverage

public ImageTrapModeExponentialAverage(Generic pparent)
constructor


ImageTrapModeExponentialAverage

public ImageTrapModeExponentialAverage()
Method Detail

Init

public void Init(complex pz)
initialize the object

Overrides:
Init in class ImageTrapMode

Iterate

public void Iterate(complex pz,
                    complex pzt,
                    float pdistance,
                    float ptexture,
                    color pcolor)
call for each iterated point

Overrides:
Iterate in class ImageTrapMode