Module: TT::Bounds

Defined in:
TT_Lib2/bounds.rb

Overview

Collection of BoundingBox methods.

Since:

  • 2.2.0

Class Method Summary collapse

Class Method Details

.point(bounds, index) ⇒ Geom::Point3d

Parameters:

  • bounds (Geom::BoundingBox)
  • index (Integer)

Returns:

  • (Geom::Point3d)

Since:

  • 2.2.0



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# File 'TT_Lib2/bounds.rb', line 22

def self.point(bounds, index)
  case index
  when 0..7
    pt = bounds.corner(index)
    
  when TT::BB_CENTER_FRONT_BOTTOM
    p1 = bounds.corner( TT::BB_LEFT_FRONT_BOTTOM )
    p2 = bounds.corner( TT::BB_RIGHT_FRONT_BOTTOM )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_CENTER_BACK_BOTTOM
    p1 = bounds.corner( TT::BB_LEFT_BACK_BOTTOM )
    p2 = bounds.corner( TT::BB_RIGHT_BACK_BOTTOM )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_CENTER_FRONT_TOP
    p1 = bounds.corner( TT::BB_LEFT_FRONT_TOP )
    p2 = bounds.corner( TT::BB_RIGHT_FRONT_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_CENTER_BACK_TOP
    p1 = bounds.corner( TT::BB_LEFT_BACK_TOP )
    p2 = bounds.corner( TT::BB_RIGHT_BACK_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
    
  when TT::BB_LEFT_CENTER_BOTTOM
    p1 = bounds.corner( TT::BB_LEFT_FRONT_BOTTOM )
    p2 = bounds.corner( TT::BB_LEFT_BACK_BOTTOM )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_LEFT_CENTER_TOP
    p1 = bounds.corner( TT::BB_LEFT_FRONT_TOP )
    p2 = bounds.corner( TT::BB_LEFT_BACK_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_RIGHT_CENTER_BOTTOM
    p1 = bounds.corner( TT::BB_RIGHT_FRONT_BOTTOM )
    p2 = bounds.corner( TT::BB_RIGHT_BACK_BOTTOM )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_RIGHT_CENTER_TOP
    p1 = bounds.corner( TT::BB_RIGHT_FRONT_TOP )
    p2 = bounds.corner( TT::BB_RIGHT_BACK_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  
  when TT::BB_LEFT_FRONT_CENTER
    p1 = bounds.corner( TT::BB_LEFT_FRONT_BOTTOM )
    p2 = bounds.corner( TT::BB_LEFT_FRONT_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_RIGHT_FRONT_CENTER
    p1 = bounds.corner( TT::BB_RIGHT_FRONT_BOTTOM )
    p2 = bounds.corner( TT::BB_RIGHT_FRONT_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_LEFT_BACK_CENTER
    p1 = bounds.corner( TT::BB_LEFT_BACK_BOTTOM )
    p2 = bounds.corner( TT::BB_LEFT_BACK_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_RIGHT_BACK_CENTER
    p1 = bounds.corner( TT::BB_RIGHT_BACK_BOTTOM )
    p2 = bounds.corner( TT::BB_RIGHT_BACK_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  
  when TT::BB_LEFT_CENTER_CENTER
    p1 = bounds.corner( TT::BB_LEFT_FRONT_BOTTOM )
    p2 = bounds.corner( TT::BB_LEFT_BACK_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_RIGHT_CENTER_CENTER
    p1 = bounds.corner( TT::BB_RIGHT_FRONT_BOTTOM )
    p2 = bounds.corner( TT::BB_RIGHT_BACK_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_CENTER_FRONT_CENTER
    p1 = bounds.corner( TT::BB_LEFT_FRONT_BOTTOM )
    p2 = bounds.corner( TT::BB_RIGHT_FRONT_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_CENTER_BACK_CENTER
    p1 = bounds.corner( TT::BB_LEFT_BACK_BOTTOM )
    p2 = bounds.corner( TT::BB_RIGHT_BACK_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_CENTER_CENTER_TOP
    p1 = bounds.corner( TT::BB_LEFT_FRONT_TOP )
    p2 = bounds.corner( TT::BB_RIGHT_BACK_TOP )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  when TT::BB_CENTER_CENTER_BOTTOM
    p1 = bounds.corner( TT::BB_LEFT_FRONT_BOTTOM )
    p2 = bounds.corner( TT::BB_RIGHT_BACK_BOTTOM )
    pt = Geom.linear_combination( 0.5, p1, 0.5, p2 )
  
  when TT::BB_CENTER_CENTER_CENTER
    pt = bounds.center
  end
  
  pt
end