Class: Gl::VertexArray

Inherits:
GlInternalMarked show all
Defined in:
lib/opengl-core/aux/vertex_array.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from GlInternalMarked

#==, #__mark__, __marked_allocated__, #__unmark__, allocated, clear_all, delete_all, inherited, #marked?

Constructor Details

#initialize(name = nil) ⇒ VertexArray

Returns a new instance of VertexArray.



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# File 'lib/opengl-core/aux/vertex_array.rb', line 8

def initialize(name = nil)
  super()
  @name = name || 0
  __mark__ if @name != 0
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/opengl-core/aux/vertex_array.rb', line 6

def name
  @name
end

Class Method Details

.unbind ⇒ Object 



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# File 'lib/opengl-core/aux/vertex_array.rb', line 38

def self.unbind
  Gl.glBindVertexArray(0)
  self
end

Instance Method Details

#bind ⇒ Object 



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# File 'lib/opengl-core/aux/vertex_array.rb', line 23

def bind
  if @name == 0
    @name = Gl.glGenVertexArrays(1)[0]
    __mark__
  end

  Gl.glBindVertexArray(@name)
  self
end

#delete ⇒ Object 



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# File 'lib/opengl-core/aux/vertex_array.rb', line 14

def delete
  if @name != 0
    Gl.glDeleteVertexArrays(@name)
    @name = 0
    super
  end
  self
end

#unbind ⇒ Object 



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# File 'lib/opengl-core/aux/vertex_array.rb', line 33

def unbind
  self.class.unbind
  self
end