/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: 2013-06-23 02:52:56 UTC
  • Revision ID: josh@9ix.org-20130623025256-o80jq1o3hy8dw7lh
available cargo space

Show diffs side-by-side

added added

removed removed

Lines of Context:
18
18
require 'boom'
19
19
require 'planet'
20
20
require 'trade_view'
 
21
require 'shield'
21
22
 
22
23
util = {
23
24
   signOf = function(value)
27
28
                  return -1
28
29
               end
29
30
            end,
30
 
   shortestVector = function(from, to)
31
 
                       if STRICT then
32
 
                          if from.x < the.app.width / 2 or
33
 
                             from.x > the.bg.width - the.app.width / 2 or
34
 
                             from.y < the.app.height / 2 or
35
 
                             from.y > the.bg.height - the.app.height / 2 then
36
 
                             error('"from" coordinate out of bounds: X='..from.x..' Y='..from.y)
37
 
                          end
38
 
 
39
 
                          if to.x < the.app.width / 2 or
40
 
                             to.x > the.bg.width - the.app.width / 2 or
41
 
                             to.y < the.app.height / 2 or
42
 
                             to.y > the.bg.height - the.app.height / 2 then
43
 
                             error('"to" coordinate out of bounds: X='..to.x..' Y='..to.y)
44
 
                          end
45
 
                       end
46
 
 
47
 
                       -- normalize grid to account for mirror zones
48
 
                       local fx = from.x - the.app.width / 2
49
 
                       local fy = from.y - the.app.height / 2
50
 
                       local tx = to.x - the.app.width / 2
51
 
                       local ty = to.y - the.app.height / 2
52
 
 
53
 
                       local short = {}
54
 
 
55
 
                       -- pick shorter x
56
 
                       if math.abs(tx - fx) < math.abs(tx - fx - (the.bg.width - the.app.width)) then
57
 
                          -- straight path is shorter
58
 
                          short.x = tx - fx
59
 
                       else
60
 
                          short.x = tx - fx - (the.bg.width - the.app.width)
61
 
                       end
62
 
 
63
 
                       -- pick shorter y
64
 
                       if math.abs(ty - fy) < math.abs(ty - fy - (the.bg.height - the.app.height)) then
65
 
                          -- straight path is shorter
66
 
                          short.y = ty - fy
67
 
                       else
68
 
                          short.y = ty - fy - (the.bg.height - the.app.height)
69
 
                       end
70
 
 
71
 
                       return vector.new(short.x, short.y)
72
 
                    end
73
31
}
74
32
 
75
33
GameView = View:extend {
85
43
              the.interface = Group:new()
86
44
              the.planets = Group:new()
87
45
              the.indicators = Group:new()
 
46
              the.enemies = Group:new()
88
47
 
89
48
              the.bg = Tile:new{
90
49
                 image = 'data/stars3.png',
91
 
                 width = 13660,
92
 
                 height = 7680
 
50
                 width = 27320,
 
51
                 height = 15360
93
52
              }
94
53
              self:add(the.bg)
95
54
 
99
58
              the.player = SpacePlayer:new{x=the.bg.width / 2, y=the.bg.height / 2}
100
59
              self:add(the.player)
101
60
              self:add(the.player.thrust)
102
 
 
103
 
              --self:add(Enemy:new{x=400, y=300})
 
61
              self:add(the.player.shield)
 
62
 
 
63
              self:add(the.enemies)
 
64
 
 
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
104
73
 
105
74
              self:add(the.bullets)
106
75
              self:add(the.indicators)
107
76
              self:add(the.interface)
108
77
 
109
 
              for _ = 1, math.random(6) do
 
78
              for _ = 1, math.random(3, 6) do
110
79
                 local planet = Planet:new{
111
80
                    x = math.random(the.app.width / 2,
112
81
                                    the.bg.width - the.app.width / 2),
120
89
              the.cursor = Cursor:new()
121
90
              self:add(the.cursor)
122
91
 
 
92
              the.over = Text:new{
 
93
                 y = the.app.height / 2,
 
94
                 width = the.app.width,
 
95
                 align = 'center',
 
96
                 font = 25,
 
97
                 text = "Game Over",
 
98
                 visible = false
 
99
              }
 
100
              the.interface:add(the.over)
 
101
 
 
102
 
 
103
              the.instructions = Text:new{
 
104
                 y = the.app.height / 2 + 32,
 
105
                 width = the.app.width,
 
106
                 align = 'center',
 
107
                 font = 12,
 
108
                 text = "Press Enter to start a new game\nPress Q to quit",
 
109
                 visible = false
 
110
              }
 
111
              the.interface:add(the.instructions)
 
112
 
123
113
              love.mouse.setGrab(true)
124
114
              love.mouse.setVisible(false)
125
115
              love.mouse.setPosition(the.app.width / 2, the.app.height / 2)
128
118
           end,
129
119
   onUpdate = function(self, dt)
130
120
                 the.bullets:collide(the.planets)
 
121
                 the.bullets:collide(the.player)
 
122
                 the.bullets:collide(the.enemies)
131
123
              end,
132
124
   onEndFrame = function(self)
133
125
                   the.interface.translate.x = the.player.x - the.app.width / 2 + the.player.width / 2