/traderous

To get this branch, use:
bzr branch http://9ix.org/bzr/traderous

« back to all changes in this revision

Viewing changes to main.lua

  • Committer: Josh C
  • Date: 2013-06-19 01:44:47 UTC
  • Revision ID: josh@9ix.org-20130619014447-mtpps0g4w7aeckpg
enemy "patrol path" (pick random destination)

Show diffs side-by-side

added added

removed removed

Lines of Context:
28
28
                  return -1
29
29
               end
30
30
            end,
 
31
   shortestVector = function(from, to)
 
32
                       if STRICT then
 
33
                          if from.x < the.app.width / 2 or
 
34
                             from.x > the.bg.width - the.app.width / 2 or
 
35
                             from.y < the.app.height / 2 or
 
36
                             from.y > the.bg.height - the.app.height / 2 then
 
37
                             error('"from" coordinate out of bounds: X='..from.x..' Y='..from.y)
 
38
                          end
 
39
 
 
40
                          if to.x < the.app.width / 2 or
 
41
                             to.x > the.bg.width - the.app.width / 2 or
 
42
                             to.y < the.app.height / 2 or
 
43
                             to.y > the.bg.height - the.app.height / 2 then
 
44
                             error('"to" coordinate out of bounds: X='..to.x..' Y='..to.y)
 
45
                          end
 
46
                       end
 
47
 
 
48
                       -- normalize grid to account for mirror zones
 
49
                       local fx = from.x - the.app.width / 2
 
50
                       local fy = from.y - the.app.height / 2
 
51
                       local tx = to.x - the.app.width / 2
 
52
                       local ty = to.y - the.app.height / 2
 
53
 
 
54
                       local short = {}
 
55
 
 
56
                       -- pick shorter x
 
57
                       if math.abs(tx - fx) < math.abs(tx - fx - (the.bg.width - the.app.width)) then
 
58
                          -- straight path is shorter
 
59
                          short.x = tx - fx
 
60
                       else
 
61
                          short.x = tx - fx - (the.bg.width - the.app.width)
 
62
                       end
 
63
 
 
64
                       -- pick shorter y
 
65
                       if math.abs(ty - fy) < math.abs(ty - fy - (the.bg.height - the.app.height)) then
 
66
                          -- straight path is shorter
 
67
                          short.y = ty - fy
 
68
                       else
 
69
                          short.y = ty - fy - (the.bg.height - the.app.height)
 
70
                       end
 
71
 
 
72
                       return vector.new(short.x, short.y)
 
73
                    end
31
74
}
32
75
 
33
76
GameView = View:extend {
47
90
 
48
91
              the.bg = Tile:new{
49
92
                 image = 'data/stars3.png',
50
 
                 width = 27320,
51
 
                 height = 15360
 
93
                 width = 13660,
 
94
                 height = 7680
52
95
              }
53
96
              self:add(the.bg)
54
97
 
62
105
 
63
106
              self:add(the.enemies)
64
107
 
65
 
              for _ = 1, 20 do
66
 
                 local e = Enemy:new{x = math.random(the.bg.width),
67
 
                                     y = math.random(the.bg.height)}
68
 
                 --local e = Enemy:new{x=the.bg.width / 2, y=the.bg.height / 2}
69
 
                 the.enemies:add(e)
70
 
                 self:add(e.thrust) -- why doesn't this work in Enemy.new?
71
 
                 self:add(e.shield)
72
 
              end
 
108
              --local e = Enemy:new{x=400, y=300}
 
109
              local e = Enemy:new{x=the.bg.width / 2, y=the.bg.height / 2}
 
110
              the.enemies:add(e)
 
111
              self:add(e.thrust) -- why doesn't this work in Enemy.new?
 
112
              self:add(e.shield)
73
113
 
74
114
              self:add(the.bullets)
75
115
              self:add(the.indicators)
76
116
              self:add(the.interface)
77
117
 
78
 
              for _ = 1, math.random(3, 6) do
 
118
              for _ = 1, math.random(6) do
79
119
                 local planet = Planet:new{
80
120
                    x = math.random(the.app.width / 2,
81
121
                                    the.bg.width - the.app.width / 2),