Class: GLViewer::GL2DViewer

Inherits:
Object
  • Object
show all
Defined in:
lib/rglviewer/gl2dviewer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ GL2DViewer 



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# File 'lib/rglviewer/gl2dviewer.rb', line 10

def initialize args = {}
  @width      = args[:width]  || 640
  @height     = args[:height] || 480
  @background = args[:background] || [255,255,255]
  @init       = args[:init]   || Proc.new {}
  @render     = args[:render] || Proc.new {}
  @width  = 1 if @width  <= 0
  @height = 1 if @height <= 0
end

Instance Attribute Details

#background ⇒ Object

Returns the value of attribute background.



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# File 'lib/rglviewer/gl2dviewer.rb', line 8

def background
  @background
end

#height ⇒ Object

Returns the value of attribute height.



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# File 'lib/rglviewer/gl2dviewer.rb', line 8

def height
  @height
end

#init ⇒ Object

Returns the value of attribute init.



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# File 'lib/rglviewer/gl2dviewer.rb', line 8

def init
  @init
end

#render ⇒ Object

Returns the value of attribute render.



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# File 'lib/rglviewer/gl2dviewer.rb', line 8

def render
  @render
end

#width ⇒ Object

Returns the value of attribute width.



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# File 'lib/rglviewer/gl2dviewer.rb', line 8

def width
  @width
end

Instance Method Details

#main_loop ⇒ Object 



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# File 'lib/rglviewer/gl2dviewer.rb', line 22

def main_loop
  glutInit
  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_ALPHA )
  glutInitWindowSize(@width,@height)
  glutInitWindowPosition(0,0)
  @window = glutCreateWindow("RGLViewer")
  glutDisplayFunc(method(:gl_draw).to_proc)
  glutIdleFunc(method(:gl_idle).to_proc)
  glutReshapeFunc(method(:gl_reshape).to_proc)

  gl_init

  glutMainLoop
end