Class: DXOpal::Sprite::CollisionArea::Triangle

Inherits:
Base
  • Object
show all
Defined in:
lib/dxopal/sprite/collision_area.rb

Instance Attribute Summary

Attributes inherited from Base

#sprite

Instance Method Summary collapse

Methods inherited from Base

#aabb, #absolute, #absolute1, #transback, #transback1

Constructor Details

#initialize(sprite, x1, y1, x2, y2, x3, y3) ⇒ Triangle

Returns a new instance of Triangle.



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# File 'lib/dxopal/sprite/collision_area.rb', line 261

def initialize(sprite, x1, y1, x2, y2, x3, y3)
  @sprite = sprite
  @poss = [[x1, y1], [x2, y2], [x3, y3]]
  super()
end

Instance Method Details

#absolute_poss ⇒ Object 



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# File 'lib/dxopal/sprite/collision_area.rb', line 282

def absolute_poss
  absolute(@poss)
end

#collides?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dxopal/sprite/collision_area.rb', line 269

def collides?(other)
  case other.type
  when :Point, :Circle, :Rect
    other.collides?(self)
  when :Triangle
    (ox1, oy1), (ox2, oy2), (ox3, oy3) = *self.absolute_poss
    (dx1, dy1), (dx2, dy2), (dx3, dy3) = *other.absolute_poss
    `Opal.DXOpal.CCk.check_triangle_triangle(ox1, oy1, ox2, oy2, ox3, oy3,
                                             dx1, dy1, dx2, dy2, dx3, dy3)`
  else raise
  end
end

#type ⇒ Object 



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# File 'lib/dxopal/sprite/collision_area.rb', line 267

def type; :Triangle; end