Squeak Class Documentation category index | class index  
 
B3DSpotLight
  category: Balloon3D-Lights
  superclass: B3DPositionalLight
  subclasses:

No comment. Sorry.

instance methods
  accessing
  direction
direction:
hotSpotDeltaCosine
hotSpotMaxCosine
hotSpotMinCosine
maxAngle
maxAngle:
minAngle
minAngle:
target
target:

  converting
  asPrimitiveLight
transformedBy:

  initialize
  from3DS:

  testing
  hasSpot

class methods
  no messages
 

instance methods
  accessing top  
 

direction

If the light is directional, return the NORMALIZED direction of the light


 

direction:


 

hotSpotDeltaCosine

Return the cosine value of the delta radius of a spot light (the fall off region)


 

hotSpotMaxCosine

Return the cosine value of the outer radius of a spot light (the unlit region)


 

hotSpotMinCosine

Return the cosine value of the inner radius of a spot light (the fully lit region)


 

maxAngle


 

maxAngle:


 

minAngle


 

minAngle:


 

target


 

target:


  converting top  
 

asPrimitiveLight

Convert the receiver into a B3DPrimitiveLight


 

transformedBy:


  initialize top  
 

from3DS:

Initialize the receiver from a 3DS point light


  testing top  
 

hasSpot

Return true if the receiver has a hot spot.


class methods
  no messages top