Module: Smalruby3::SpriteMethod::Sensing

Included in:
Smalruby3::Sprite
Defined in:
lib/smalruby3/sprite_method/sensing.rb

Overview

Sensing category methods

Instance Method Summary collapse

Instance Method Details

#touching?(object) ⇒ Boolean

Returns:

  • (Boolean) 


5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
# File 'lib/smalruby3/sprite_method/sensing.rb', line 5

def touching?(object)
  case object
  when "_edge_"
    # TODO: check with rotation_center_{x,y}, costume {width,height}, costume transparent
    x <= SmalrubyToDXRuby::SCREEN_LEFT || x >= SmalrubyToDXRuby::SCREEN_RIGHT ||
      y <= SmalrubyToDXRuby::SCREEN_BOTTOM || y >= SmalrubyToDXRuby::SCREEN_TOP
  when "_mouse_"
    # TODO: check touching mouse
    raise NotImplementedError, "touching?(\"#{object}\")"
  else
    if !sprite(object)
      # TODO: check touching sprite
      raise ArgumentError, "invalid object: #{object}"
    end
  end
end