Class: Entity

Inherits:
Object
  • Object
show all
Defined in:
lib/rmotion.rb,
ext/rmotion/rmotion_main.c

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Entity

Returns a new instance of Entity.



5
6
7
8
 
# File 'lib/rmotion.rb', line 5

def initialize
  @tlx = @tly = @brx = @bry = nil
  @@radius = 60    
end

Class Method Details

.reorder(previous, current) ⇒ Object 



26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/rmotion.rb', line 26

def self.reorder previous, current 

  previous.each_with_index do |p,i|
    next if p.center.nil?
    found = false
    current.each_with_index do |c,k|
      if p.compare c
        previous[i] = c
        current[k] = Entity.new        
        found = true
        break
      end
    end
    unless found
      previous[i] = Entity.new
    end
  end

  current.each do |c|
    next if c.center.nil?
    previous.each_with_index do |p,i|
      if p.center.nil?
        previous[i] = c 
        break
      end
    end
  end
end

.status ⇒ Object 



55
56
57
58
59
60
61
 
# File 'lib/rmotion.rb', line 55

def self.status
  status = []
  8.times do
    status << Entity.new
  end
  status
end

Instance Method Details

#center ⇒ Object 



10
11
12
 
# File 'lib/rmotion.rb', line 10

def center
  [(@tlx+@brx)/2,(@tly+@bry)/2] unless @tlx.nil?
end

#compare(oth) ⇒ Object 



18
19
20
21
22
23
24
 
# File 'lib/rmotion.rb', line 18

def compare oth
  if center.nil? or oth.center.nil?
    false
  else
    ((center.first - oth.center.first).abs < @@radius) and ((center.last - oth.center.last).abs < @@radius)
  end
end

#corners ⇒ Object 



14
15
16
 
# File 'lib/rmotion.rb', line 14

def corners
  [@tlx,@tly,@brx,@bry]
end