Class: Budgie::DrawCube

Inherits:
Object
  • Object
show all
Includes:
GL
Defined in:
lib/budgie/draw_cube.rb

Direct Known Subclasses

DrawPickerCube

Instance Method Summary collapse

Instance Method Details

#back ⇒ Object 



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# File 'lib/budgie/draw_cube.rb', line 39

def back
  glNormal3f 0, 0, -1

  glTexCoord2f 0, 1
  glVertex3f   0, 0, 0

  glTexCoord2f 1, 1
  glVertex3f   0, 1, 0

  glTexCoord2f 1, 0
  glVertex3f   1, 1, 0

  glTexCoord2f 0, 0
  glVertex3f   1, 0, 0
end

#bottom ⇒ Object 



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# File 'lib/budgie/draw_cube.rb', line 71

def bottom
  glNormal3f 0, -1, 0

  glTexCoord2f 1, 1
  glVertex3f   0, 0, 0

  glTexCoord2f 1, 0
  glVertex3f   1, 0, 0

  glTexCoord2f 0, 0
  glVertex3f   1, 0, 1

  glTexCoord2f 0, 1
  glVertex3f   0, 0, 1
end

#draw(&block) ⇒ Object 



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# File 'lib/budgie/draw_cube.rb', line 6

def draw(&block)
  glBegin GL_QUADS
  yield
  glEnd
end

#front ⇒ Object 



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# File 'lib/budgie/draw_cube.rb', line 23

def front
  glNormal3f 0, 0, 1

  glTexCoord2f 0, 1
  glVertex3f   0, 0, 1

  glTexCoord2f 1, 1
  glVertex3f   1, 0, 1

  glTexCoord2f 1, 0
  glVertex3f   1, 1, 1

  glTexCoord2f 0, 0
  glVertex3f   0, 1, 1
end

#full ⇒ Object 



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# File 'lib/budgie/draw_cube.rb', line 12

def full
  draw do
    front
    back
    right
    left
    top
    bottom
  end
end

#left ⇒ Object 



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# File 'lib/budgie/draw_cube.rb', line 103

def left
  glNormal3f -1, 0, 0

  glTexCoord2f 0, 0
  glVertex3f   0, 0, 0

  glTexCoord2f 0, 1
  glVertex3f   0, 0, 1

  glTexCoord2f 1, 1
  glVertex3f   0, 1, 1

  glTexCoord2f 1, 0
  glVertex3f   0, 1, 0
end

#right ⇒ Object 



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# File 'lib/budgie/draw_cube.rb', line 87

def right
  glNormal3f 1, 0, 0

  glTexCoord2f 1, 0
  glVertex3f   1, 0, 0

  glTexCoord2f 0, 0
  glVertex3f   1, 1, 0

  glTexCoord2f 0, 1
  glVertex3f   1, 1, 1

  glTexCoord2f 1, 1
  glVertex3f   1, 0, 1
end

#top ⇒ Object 



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# File 'lib/budgie/draw_cube.rb', line 55

def top
  glNormal3f 0, 1, 0

  glTexCoord2f 0, 1
  glVertex3f   0, 1, 0

  glTexCoord2f 1, 1
  glVertex3f   0, 1, 1

  glTexCoord2f 1, 0
  glVertex3f   1, 1, 1

  glTexCoord2f 0, 0
  glVertex3f   1, 1, 0
end