/spacey : revision 1

1

STRICT = true

2

DEBUG = true

3

4

require 'zoetrope'

5

vector = require 'vector'

6

--inspect = require 'inspect'

7

8

require 'group'

9

10

require 'version'

11

require 'wrap_tile'

12

require 'mirror'

13

require 'player'

14

require 'enemy'

15

require 'cursor'

16

require 'bullet'

17

require 'rock'

18

require 'boom'

19

20

util = {

21

signOf = function(value)

22

if value >= 0 then

23

return 1

24

else

25

return -1

26

end

27

end,

28

shortestVector = function(from, to)

29

if STRICT then

30

if from.x < the.app.width / 2 or

31

from.x > the.bg.width - the.app.width / 2 or

32

from.y < the.app.height / 2 or

33

from.y > the.bg.height - the.app.height / 2 then

34

error('"from" coordinate out of bounds: X='..from.x..' Y='..from.y)

35

end

36

37

if to.x < the.app.width / 2 or

38

to.x > the.bg.width - the.app.width / 2 or

39

to.y < the.app.height / 2 or

40

to.y > the.bg.height - the.app.height / 2 then

41

error('"to" coordinate out of bounds: X='..to.x..' Y='..to.y)

42

end

43

end

44

45

-- normalize grid to account for mirror zones

46

local fx = from.x - the.app.width / 2

47

local fy = from.y - the.app.height / 2

48

local tx = to.x - the.app.width / 2

49

local ty = to.y - the.app.height / 2

50

51

local short = {}

52

53

-- pick shorter x

54

if math.abs(tx - fx) < math.abs(tx - fx - (the.bg.width - the.app.width)) then

55

-- straight path is shorter

56

short.x = tx - fx

57

else

58

short.x = tx - fx - (the.bg.width - the.app.width)

59

end

60

61

-- pick shorter y

62

if math.abs(ty - fy) < math.abs(ty - fy - (the.bg.height - the.app.height)) then

63

-- straight path is shorter

64

short.y = ty - fy

65

else

66

short.y = ty - fy - (the.bg.height - the.app.height)

67

end

68

69

return vector.new(short.x, short.y)

70

end

71

}

72

73

GameView = View:extend {

74

lastRock = 0,

75

rockInterval = 1,

76

gameStart = 0,

77

onNew = function (self)

78

-- for x = 1,30 do

79

-- for y = 1,30 do

80

-- self:add(Fill:new{x=x*400, y=y*400,

81

-- width = 32, height = 32,

82

-- fill = {0,0,255}

83

-- })

84

-- end

85

-- end

86

87

the.storage = Storage:new{filename = 'scores.lua'}

88

the.storage:load()

89

if not the.storage.data.highScore then

90

print('initializing storage')

91

the.storage.data = {highScore = 0}

92

end

93

94

the.rockColliders = Group:new()

95

the.bullets = Group:new()

96

the.mirrors = Group:new()

97

the.rocks = Group:new()

98

the.interface = Group:new()

99

100

the.bg = Tile:new{

101

image = 'data/stars3.png',

102

-- 1366x768 * 3

103

width = 4098,

104

height = 2304

105

}

106

self:add(the.bg)

107

108

--the.player = CrystalPlayer:new{x=400,y=300}

109

the.player = SpacePlayer:new{x=1366,y=768}

110

self:add(the.player)

111

112

--self:add(Enemy:new{x=400, y=300})

113

114

self:add(the.bullets)

115

self:add(the.rockColliders)

116

self:add(the.mirrors)

117

self:add(the.rocks)

118

self:add(the.interface)

119

120

the.cursor = Cursor:new()

121

self:add(the.cursor)

122

123

the.score = Text:new{

124

x = 8,

125

y = 8,

126

width = the.app.width,

127

--align = 'center',

128

font = 25}

129

the.interface:add(the.score)

130

131

local hs = the.storage.data.highScore

132

local m = hs / 60

133

local s = hs % 60

134

135

the.highScore = Text:new{

136

x = -8,

137

y = 8,

138

width = the.app.width,

139

align = 'right',

140

font = 25,

141

text = string.format('High Score: %d:%02d', m, s)

142

}

143

the.interface:add(the.highScore)

144

145

the.over = Text:new{

146

y = the.app.height / 2,

147

width = the.app.width,

148

align = 'center',

149

font = 25,

150

text = "Game Over",

151

visible = false

152

}

153

the.interface:add(the.over)

154

155

156

the.instructions = Text:new{

157

y = the.app.height / 2 + 32,

158

width = the.app.width,

159

align = 'center',

160

font = 12,

161

text = "Press Enter to start a new game\nPress Q to quit",

162

visible = false

163

}

164

the.interface:add(the.instructions)

165

166

love.mouse.setGrab(true)

167

love.mouse.setVisible(false)

168

love.mouse.setPosition(the.app.width / 2, the.app.height / 2)

169

170

--self:loadLayers('data/map.lua')

171

self.focus = the.player

172

--self:clampTo(self.map)

173

174

self.gameStart = love.timer.getTime()

175

end,

176

onUpdate = function(self, dt)

177

if the.player.active and love.timer.getTime() > self.lastRock + self.rockInterval then

178

local unseenRock = nil

179

while not unseenRock do

180

local rock = Rock:new{

181

x = math.random(the.app.width / 2,

182

the.bg.width - the.app.width / 2),

183

y = math.random(the.app.height / 2,

184

the.bg.height - the.app.height / 2),

185

velocity = {

186

x = math.random(-300, 300),

187

y = math.random(-300, 300),

188

rotation = math.random(-7, 7)

189

},

190

scale = math.random() + 0.5

191

}

192

193

local rockToPlayer = util.shortestVector(rock, the.player)

194

if math.abs(rockToPlayer.x) > the.app.width / 2 + rock.width * rock.scale and

195

math.abs(rockToPlayer.y) > the.app.height / 2 + rock.height * rock.scale then

196

unseenRock = rock

197

end

198

end

199

200

the.rocks:add(unseenRock)

201

202

self.lastRock = love.timer.getTime()

203

end

204

205

the.bullets:collide(the.rockColliders)

206

207

-- for _, mirror in ipairs(the.mirrors.sprites) do

208

-- if not mirror.of then

209

-- print('mirror:' .. inspect(mirror))

210

-- error('mirror OF NOTHING')

211

-- end

212

-- end

213

end,

214

onEndFrame = function(self)

215

the.interface.translate.x = the.player.x - the.app.width / 2 + the.player.width / 2

216

the.interface.translate.y = the.player.y - the.app.height / 2 + the.player.height / 2

217

218

if the.player.active then

219

self:updateScore()

220

end

221

end,

222

draw = function (self, x, y)

223

View.draw(self, x, y)

224

--love.graphics.print('FPS:' .. love.timer.getFPS(), 20, 20)

225

end,

226

updateScore = function(self)

227

local t = love.timer.getTime() - self.gameStart

228

local m = t / 60

229

local s = t % 60

230

231

the.score.text = string.format('Score: %d:%02d', m, s)

232

--the.score.y = the.player.y - the.app.height / 2 + the.player.height

233

--the.score.x = the.player.x - the.app.width / 2 + the.player.width

234

235

--the.highScore.y = the.player.y - the.app.height / 2 + the.player.height

236

--the.highScore.x = the.player.x - the.app.width / 2

237

end

238

}

239

240

MenuScreen = View:extend {

241

title = Text:new{text = "Press a key to start", font = 48, wordWrap = false},

242

--title = Tile:new{image = 'data/title.png', x = 0, y = 0},

243

onNew = function(self)

244

self:add(self.title)

245

self.title:centerAround(400, 200)

246

end,

247

onUpdate = function(self, elapsed)

248

if the.keys:allJustPressed() then

249

the.app.view = GameView:new()

250

end

251

end

252

}

253

254

the.app = App:new {

255

onRun = function (self)

256

print('Version: ' .. VERSION)

257

258

math.randomseed(os.time())

259

260

self.view = GameView:new()

261

if DEBUG then

262

self.console:watch('VERSION', 'VERSION')

263

self.console:watch('updateTook', 'the.updateTook')

264

self.console:watch('the.player.x', 'the.player.x')

265

self.console:watch('the.player.y', 'the.player.y')

266

self.console:watch('the.app.width', 'the.app.width')

267

self.console:watch('the.app.height', 'the.app.height')

268

self.console:watch('num mirrors', '#the.mirrors.sprites')

269

self.console:watch('num rocks', '#the.rocks.sprites')

270

--self.console:watch('drawTook', 'the.drawTook')

271

272

-- back off that dark overlay a bit

273

self.console.fill.fill[4] = 75

274

end

275

end,

276

onUpdate = function (self, dt)

277

if the.keys:justPressed('q') then

278

self.quit()

279

elseif the.keys:justPressed('return') then

280

self.view = GameView:new()

281

end

282

end,

283

update = function (self, dt)

284

the.updateStart = love.timer.getMicroTime()

285

App.update(self, dt)

286

if the.updateStart then

287

the.updateTook = love.timer.getMicroTime() - the.updateStart

288

end

289

end

290

}