Class: Chobo::Entity

Inherits:
GameObject show all
Defined in:
lib/chobo/entity.rb

Instance Attribute Summary collapse

Attributes inherited from GameObject

#origin, #position, #rotation, #scale, #velocity

Instance Method Summary collapse

Methods inherited from GameObject

#set_position, #set_rotation, #set_scale, #set_velocity

Constructor Details

#initialize(image) ⇒ Entity

Returns a new instance of Entity.



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# File 'lib/chobo/entity.rb', line 6

def initialize(image)
	super()
	@image = image
	@width = image.width
	@height = image.height
	@color = Chobo.color()
	@attributes = {}
	@time = 0.0
	@behaviors = []
	@flipped = false
end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes.



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# File 'lib/chobo/entity.rb', line 4

def attributes
  @attributes
end

#behaviors ⇒ Object

Returns the value of attribute behaviors.



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# File 'lib/chobo/entity.rb', line 4

def behaviors
  @behaviors
end

#color ⇒ Object

Returns the value of attribute color.



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# File 'lib/chobo/entity.rb', line 4

def color
  @color
end

#flipped ⇒ Object

Returns the value of attribute flipped.



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# File 'lib/chobo/entity.rb', line 4

def flipped
  @flipped
end

#height ⇒ Object

Returns the value of attribute height.



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# File 'lib/chobo/entity.rb', line 4

def height
  @height
end

#image ⇒ Object

Returns the value of attribute image.



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# File 'lib/chobo/entity.rb', line 4

def image
  @image
end

#time ⇒ Object

Returns the value of attribute time.



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# File 'lib/chobo/entity.rb', line 4

def time
  @time
end

#width ⇒ Object

Returns the value of attribute width.



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# File 'lib/chobo/entity.rb', line 4

def width
  @width
end

Instance Method Details

#add_behavior(behavior) ⇒ Object 



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# File 'lib/chobo/entity.rb', line 47

def add_behavior behavior
	@behaviors.push behavior
	behavior.on_added self
	self
end

#collides?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chobo/entity.rb', line 18

def collides? other
	if @position.x - (@width / 2.0) > other.position.x + (other.width / 2.0)
		return false
	end			
	if @position.x + (@width / 2.0) < other.position.x - (other.width / 2.0)
		return false
	end
	if @position.y - (@width / 2.0) > other.position.y + (other.height / 2.0)
		return false
	end			
	if @position.y + (@width / 2.0) < other.position.y - (other.height / 2.0)
		return false
	end			
	return true
end

#draw ⇒ Object 



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# File 'lib/chobo/entity.rb', line 73

def draw
	if @flipped
		@image.draw_rot(@position.x.to_i, @position.y.to_i, 0, @rotation.to_degrees - 180, @origin.x, @origin.y, @scale.x * -1.0, @scale.y, @color)
	else
		@image.draw_rot(@position.x.to_i, @position.y.to_i, 0, @rotation.to_degrees, @origin.x, @origin.y, @scale.x, @scale.y, @color)
	end
end

#get_behavior(type) ⇒ Object 



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# File 'lib/chobo/entity.rb', line 59

def get_behavior type
	@behaviors.each do |b|
		if b.is_a? type
			return b
		end				
	end
	nil
end

#remove_behavior(behavior) ⇒ Object 



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# File 'lib/chobo/entity.rb', line 53

def remove_behavior behavior
	@behaviors.delete behavior
	behavior.on_removed self
	self
end

#set_attribute(attribute, value) ⇒ Object 



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# File 'lib/chobo/entity.rb', line 42

def set_attribute attribute, value
	@attributes[attribute] = value
	self
end

#set_color(r = 255, g = 255, b = 255, a = 255) ⇒ Object 



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# File 'lib/chobo/entity.rb', line 34

def set_color r = 255, g = 255, b = 255, a = 255	
	@color.red = r
	@color.green = g
	@color.blue = b
	@color.alpha = a
	self		
end

#update(dt) ⇒ Object 



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# File 'lib/chobo/entity.rb', line 68

def update dt
	@time += dt
	@behaviors.each{|b| b.update dt, self }
end