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
33
GameView = View:extend {
76
34
onNew = function (self)
79
-- self:add(Fill:new{x=x*400, y=y*400,
80
-- width = 32, height = 32,
86
35
the.storage = Storage:new{filename = 'scores.lua'}
88
if not the.storage.data.highScore then
89
print('initializing storage')
90
the.storage.data = {highScore = 0}
37
--if not the.storage.data.highScore then
38
-- print('initializing storage')
39
-- the.storage.data = {highScore = 0}
93
the.rockColliders = Group:new()
94
42
the.bullets = Group:new()
95
the.mirrors = Group:new()
96
the.rocks = Group:new()
43
the.interface = Group:new()
44
the.planets = Group:new()
45
the.indicators = Group:new()
46
the.enemies = Group:new()
99
49
image = 'data/stars3.png',
106
57
--the.player = CrystalPlayer:new{x=400,y=300}
107
the.player = SpacePlayer:new{x=1366,y=768}
58
the.player = SpacePlayer:new{x=the.bg.width / 2, y=the.bg.height / 2}
108
59
self:add(the.player)
110
--self:add(Enemy:new{x=400, y=300})
60
self:add(the.player.thrust)
61
self:add(the.player.shield)
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}
70
self:add(e.thrust) -- why doesn't this work in Enemy.new?
112
74
self:add(the.bullets)
113
self:add(the.rockColliders)
114
self:add(the.mirrors)
75
self:add(the.indicators)
76
self:add(the.interface)
78
for _ = 1, math.random(3, 6) do
79
local planet = Planet:new{
80
x = math.random(the.app.width / 2,
81
the.bg.width - the.app.width / 2),
82
y = math.random(the.app.height / 2,
83
the.bg.height - the.app.height / 2),
84
rotation = math.random() * math.pi
86
the.planets:add(planet)
117
89
the.cursor = Cursor:new()
118
90
self:add(the.cursor)
120
the.score = Text:new{
93
y = the.app.height / 2,
121
94
width = the.app.width,
126
local hs = the.storage.data.highScore
130
the.highScore = Text:new{
131
width = the.app.width,
134
text = string.format('High Score: %d:%02d', m, s)
136
self:add(the.highScore)
100
the.interface:add(the.over)
103
the.instructions = Text:new{
104
y = the.app.height / 2 + 32,
105
width = the.app.width,
108
text = "Press Enter to start a new game\nPress Q to quit",
111
the.interface:add(the.instructions)
138
113
love.mouse.setGrab(true)
139
114
love.mouse.setVisible(false)
140
115
love.mouse.setPosition(the.app.width / 2, the.app.height / 2)
142
--self:loadLayers('data/map.lua')
143
117
self.focus = the.player
144
--self:clampTo(self.map)
146
self.gameStart = love.timer.getTime()
148
119
onUpdate = function(self, dt)
149
if love.timer.getTime() > self.lastRock + self.rockInterval then
150
local unseenRock = nil
151
while not unseenRock do
152
local rock = Rock:new{
153
x = math.random(the.app.width / 2,
154
the.bg.width - the.app.width / 2),
155
y = math.random(the.app.height / 2,
156
the.bg.height - the.app.height / 2),
158
x = math.random(-300, 300),
159
y = math.random(-300, 300),
160
rotation = math.random(-7, 7)
162
scale = math.random() + 0.5
165
local rockToPlayer = util.shortestVector(rock, the.player)
166
if math.abs(rockToPlayer.x) > the.app.width / 2 + rock.width * rock.scale and
167
math.abs(rockToPlayer.y) > the.app.height / 2 + rock.height * rock.scale then
172
the.rocks:add(unseenRock)
174
self.lastRock = love.timer.getTime()
177
the.bullets:collide(the.rockColliders)
120
the.bullets:collide(the.planets)
121
the.bullets:collide(the.player)
122
the.bullets:collide(the.enemies)
179
124
onEndFrame = function(self)
180
if the.player.active then
181
local t = love.timer.getTime() - self.gameStart
185
the.score.text = string.format('Score: %d:%02d', m, s)
186
the.score.y = the.player.y - the.app.height / 2 + the.player.height
187
the.score.x = the.player.x - the.app.width / 2
190
the.highScore.y = the.player.y - the.app.height / 2 + the.player.height
191
the.highScore.x = the.player.x - the.app.width / 2
125
the.interface.translate.x = the.player.x - the.app.width / 2 + the.player.width / 2
126
the.interface.translate.y = the.player.y - the.app.height / 2 + the.player.height / 2
193
128
draw = function (self, x, y)
194
129
View.draw(self, x, y)
195
love.graphics.print('FPS:' .. love.timer.getFPS(), 20, 20)
130
--love.graphics.print('FPS:' .. love.timer.getFPS(), 20, 20)
199
134
MenuScreen = View:extend {