Class: GLApp

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

Defined Under Namespace

Modules: Engine

Instance Method Summary collapse

Constructor Details

#initialize(engine, width, height, title = "") ⇒ GLApp

Returns a new instance of GLApp.



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# File 'lib/glapp.rb', line 5

def initialize(engine, width, height, title = "")
  @engine = engine
  @width = width
  @height = height
  @title = title
  @running = false
  self.gl_init
end

Instance Method Details

#draw ⇒ Object 



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# File 'lib/glapp.rb', line 18

def draw
  @engine.draw
end

#keyboard(key, modifiers) ⇒ Object 



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# File 'lib/glapp.rb', line 22

def keyboard(key, modifiers)
  @engine.keyboard_down(key, modifiers)
end

#keyboard_up(key, modifiers) ⇒ Object 



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# File 'lib/glapp.rb', line 26

def keyboard_up(key, modifiers)
  @engine.keyboard_up(key, modifiers)
end

#mouse_active_motion(x, y) ⇒ Object 



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# File 'lib/glapp.rb', line 42

def mouse_active_motion(x, y)
  @engine.mouse_dragging_motion(x, y)
  @engine.mouse_motion(x, y)
end

#mouse_click(button, state, x, y) ⇒ Object 



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# File 'lib/glapp.rb', line 38

def mouse_click(button, state, x, y)
  @engine.mouse_click(button, state, x, y)
end

#mouse_passive_motion(x, y) ⇒ Object 



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# File 'lib/glapp.rb', line 47

def mouse_passive_motion(x, y)
  @engine.mouse_passive_motion(x, y)
  @engine.mouse_motion(x, y)
end

#resize(width, height) ⇒ Object 



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# File 'lib/glapp.rb', line 52

def resize(width, height)
  # avoid divide-by-zero
  height = 1.0 if height <= 0

  # Reset the coordinate system
  glMatrixMode(GL_PROJECTION)
  glLoadIdentity

  # Set the viewport to be the entire window
  glViewport(0, 0, width, height)

  # Set the correct perspective
  gluPerspective(45, width.to_f / height.to_f, 1, 1000)
  glMatrixMode(GL_MODELVIEW)
  glLoadIdentity
  gluLookAt(0, 0, 5,
            0, 0, -1,
            0, 1, 0)

  @width, @height = width, height
end

#show ⇒ Object 



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# File 'lib/glapp.rb', line 74

def show
  if glutGameModeGet(GLUT_GAME_MODE_ACTIVE) != 0
    glutLeaveGameMode
  end

  unless @window
    glutInitWindowSize(@width, @height)
    @window = glutCreateWindow(@title)
  end

  self.setup_context
  self.go unless running?
end

#special_keyboard(key, modifiers) ⇒ Object 



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# File 'lib/glapp.rb', line 30

def special_keyboard(key, modifiers)
  @engine.special_keyboard_down(key, modifiers)
end

#special_keyboard_up(key, modifiers) ⇒ Object 



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# File 'lib/glapp.rb', line 34

def special_keyboard_up(key, modifiers)
  @engine.special_keyboard_up(key, modifiers)
end

#update(seconds) ⇒ Object 



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# File 'lib/glapp.rb', line 14

def update(seconds)
  @engine.update(seconds)
end