Class: Gosu::PhysicsManager

Inherits:
Object
  • Object
show all
Defined in:
lib/gosu_android/physics/physicsManager.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(window) ⇒ PhysicsManager

Returns a new instance of PhysicsManager.



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# File 'lib/gosu_android/physics/physicsManager.rb', line 7

def initialize(window)
  @window = window
  @dt = @window.update_interval
  @squares = []
  @planes = []
  @gravity_x = 0
  @gravity_y = 98 #10 pixels are 1 meter
end

Instance Attribute Details

#gravity_x ⇒ Object

Returns the value of attribute gravity_x.



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# File 'lib/gosu_android/physics/physicsManager.rb', line 6

def gravity_x
  @gravity_x
end

#gravity_y ⇒ Object

Returns the value of attribute gravity_y.



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# File 'lib/gosu_android/physics/physicsManager.rb', line 6

def gravity_y
  @gravity_y
end

Instance Method Details

#delete_object(object) ⇒ Object 



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# File 'lib/gosu_android/physics/physicsManager.rb', line 24

def delete_object object
  if object.class == Square
    @squares.delete object
  elsif  object.class == Plane
    @planes.delete object
  end
end

#register_new_object(object) ⇒ Object 



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# File 'lib/gosu_android/physics/physicsManager.rb', line 16

def register_new_object object
  if object.class == Square
    @squares.push object unless @squares.include? object
  elsif object.class == Plane
    @planes.push object unless @planes.include? object
  end
end

#update ⇒ Object 



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# File 'lib/gosu_android/physics/physicsManager.rb', line 32

def update
  #Gravity
  @squares.each do |square|
    if square.mass_inverted > 0
      square.velocity[0] += @dt*@gravity_x
      square.velocity[1] += @dt*@gravity_y
    end
  end

 #Collision detection
 @squares.each do |square|
   @planes.each do |plane|
     square.generate_contact plane
   end
 end

 #Integrate
  @squares.each do |square|
    if square.mass_inverted > 0
      square.integrate
    end
  end
end