Chipmunk Ruby Collisions

it 'can have old style callbacks' do
    space = CP::Space.new
    bod = CP::Body.new 90, 76
    shapy = CP::Shape::Circle.new bod, 40, CP::ZERO_VEC_2
    shapy.collision_type = :foo

    bod_one = CP::Body.new 90, 76
    shapy_one = CP::Shape::Circle.new bod_one, 40, CP::ZERO_VEC_2
    shapy_one.collision_type = :bar
    space.add_shape shapy
    space.add_shape shapy_one

    called = false
    space.add_collision_func :foo, :bar do |a,b|
      a.should_not be_nil
      b.should_not be_nil
      called = true
      1
    end

    space.step 1
    called.should be_true
  end

  class CollisionHandler
    attr_reader :begin_called
    def begin(a,b,arbiter)
      @begin_called = [a,b]
    end
  end

  it 'can have new style callbacks' do
    ch = CollisionHandler.new

    space = CP::Space.new
    bod = CP::Body.new 90, 76
    shapy = CP::Shape::Circle.new bod, 40, CP::ZERO_VEC_2
    shapy.collision_type = :foo

    bod_one = CP::Body.new 90, 76
    shapy_one = CP::Shape::Circle.new bod_one, 40, CP::ZERO_VEC_2
    shapy_one.collision_type = :bar
    space.add_shape shapy
    space.add_shape shapy_one

    space.add_collision_handler :foo, :bar, ch

    space.step 1

    ch.begin_called[0].should == shapy
    ch.begin_called[1].should == shapy_one
  end