27
shortestVector = function(from, to)
29
if from.x < the.app.width / 2 or
30
from.x > the.bg.width - the.app.width / 2 or
31
from.y < the.app.height / 2 or
32
from.y > the.bg.height - the.app.height / 2 then
33
error('"from" coordinate out of bounds: X='..from.x..' Y='..from.y)
36
if to.x < the.app.width / 2 or
37
to.x > the.bg.width - the.app.width / 2 or
38
to.y < the.app.height / 2 or
39
to.y > the.bg.height - the.app.height / 2 then
40
error('"to" coordinate out of bounds: X='..to.x..' Y='..to.y)
44
-- normalize grid to account for mirror zones
45
local fx = from.x - the.app.width / 2
46
local fy = from.y - the.app.height / 2
47
local tx = to.x - the.app.width / 2
48
local ty = to.y - the.app.height / 2
53
if math.abs(tx - fx) < math.abs(tx - fx - (the.bg.width - the.app.width)) then
54
-- straight path is shorter
57
short.x = tx - fx - (the.bg.width - the.app.width)
61
if math.abs(ty - fy) < math.abs(ty - fy - (the.bg.height - the.app.height)) then
62
-- straight path is shorter
65
short.y = ty - fy - (the.bg.height - the.app.height)
68
return vector.new(short.x, short.y)
72
27
GameView = View:extend {
76
28
onNew = function (self)
86
the.rockColliders = Group:new()
87
the.bullets = Group:new()
88
the.mirrors = Group:new()
89
the.rocks = Group:new()
92
39
image = 'data/stars3.png',
100
47
the.player = SpacePlayer:new{x=1366,y=768}
101
48
self:add(the.player)
103
--self:add(Enemy:new{x=400, y=300})
105
self:add(the.bullets)
106
self:add(the.rockColliders)
107
self:add(the.mirrors)
50
self:add(Enemy:new{x=400, y=300})
110
52
the.cursor = Cursor:new()
111
53
self:add(the.cursor)
116
58
--self:loadLayers('data/map.lua')
117
59
self.focus = the.player
118
60
--self:clampTo(self.map)
120
self.gameStart = love.timer.getTime()
122
onUpdate = function(self, dt)
123
if love.timer.getTime() > self.lastRock + self.rockInterval then
124
local unseenRock = nil
125
while not unseenRock do
126
local rock = Rock:new{
127
x = math.random(the.app.width / 2,
128
the.bg.width - the.app.width / 2),
129
y = math.random(the.app.height / 2,
130
the.bg.height - the.app.height / 2),
132
x = math.random(-300, 300),
133
y = math.random(-300, 300),
134
rotation = math.random(-7, 7)
136
scale = math.random() + 0.5
139
local rockToPlayer = util.shortestVector(rock, the.player)
140
if math.abs(rockToPlayer.x) > the.app.width / 2 + rock.width * rock.scale and
141
math.abs(rockToPlayer.y) > the.app.height / 2 + rock.height * rock.scale then
146
the.rocks:add(unseenRock)
148
self.lastRock = love.timer.getTime()
151
the.bullets:collide(the.rockColliders)
153
62
draw = function (self, x, y)
154
63
View.draw(self, x, y)
155
64
love.graphics.print('FPS:' .. love.timer.getFPS(), 20, 20)
173
82
the.app = App:new {
174
83
onRun = function (self)
175
84
print('Version: ' .. VERSION)
177
math.randomseed(os.time())
179
85
self.view = GameView:new()
181
87
self.console:watch('VERSION', 'VERSION')