First commit

main.lua

@@ -0,0 +1,295 @@
+-- Bird metatable
+Bird = {}
+Bird.__index = Bird
+
+function Bird.new(x, y, jump, image, originx, originy)
+
+ local self = setmetatable({}, Bird)
+
+ self.x = x
+ self.y = y
+ self.xspeed = 0
+ self.yspeed = 0
+ self.gravity = 0
+ self.friction = 1
+ self.originx = originx
+ self.originy = originy
+
+ self.image = image
+ self.jump = jump
+
+ self.dead = false
+
+ return self
+
+end
+
+function Bird:update()
+
+ self.yspeed = self.yspeed + self.gravity
+ self.xspeed = self.xspeed * self.friction
+
+ self.x = self.x + self.xspeed
+ self.y = self.y + self.yspeed
+
+ if self.y + self.originy > 200 then
+ self:die()
+ self.xspeed = 0
+ end
+
+ if self.dead and self.y > 200 - 9 then
+ self.y = 200 - 9
+ end
+
+end
+
+function Bird:keypressed(key)
+
+ if key == self.jump and not self.dead then
+ self.yspeed = -3.7 --4.2 before
+ end
+
+end
+
+function Bird:die()
+
+ --do white flash and screen shake
+ self.dead = true
+ self.xspeed = 0
+
+end
+
+function Bird:draw()
+
+ if self.yspeed < 0 then
+ tilt = math.pi / 8
+ --tilt = self.yspeed / (-4.5) * math.pi / 6
+ else
+ tilt = math.pi / 8 - (math.min(1, self.yspeed / 6) * (math.pi / 2 + math.pi / 8))
+ --tilt = math.min(1, self.yspeed / 6) * (-math.pi / 2)
+ end
+
+ if self.xspeed == 0 and not self.dead then
+ tilt = 0
+ end
+
+ quad = love.graphics.newQuad(self.x, self.y, 17, 12, self.image:getWidth(), self.image:getHeight())
+ love.graphics.draw(
+ self.image, self.x, self.y, -tilt, 1, 1, self.originx, self.originy)
+ --love.graphics.drawq(self.image, quad, self.x, self.y)
+
+end
+
+-- Pipe metatable
+Pipe = {}
+Pipe.__index = Pipe
+
+function Pipe.new(x, y, bottomimg, topimg)
+
+ local self = setmetatable({}, Pipe)
+
+ self.x = x
+ self.y = y
+ self.bottomimg = bottomimg
+ self.topimg = topimg
+
+ self.past = false
+
+ return self
+
+end
+
+function Pipe:update()
+
+ if self.x < viewX - 26 then
+ self.x = self.x + 4 * hgap
+ self.y = math.random(12 + vgap, 188)
+ self.past = false
+ end
+
+ if collides(self.x, self.y, 26, 188,
+ bird.x - bird.originx + 1, bird.y - bird.originy + 1, 17 - 2, 12 - 1) or
+ collides (self.x, self.y - vgap - 188, 26, 188,
+ bird.x - bird.originx + 1, bird.y - bird.originy + 1, 17 - 2, 12 - 1) then
+ if not bird.dead then
+ bird:die()
+ end
+ end
+
+ if self.x < bird.x and not self.past then
+ self.past = true
+ score = score + 1
+ end
+
+end
+
+function Pipe:draw()
+
+ love.graphics.draw(self.bottomimg, self.x, self.y)
+ love.graphics.draw(self.topimg, self.x, self.y - vgap, 0, 1, 1, 0, 188)
+
+end
+
+function collides(x1, y1, w1, h1, x2, y2, w2, h2)
+
+ return
+ x1 < x2 + w2 and
+ x2 < x1 + w1 and
+ y1 < y2 + h2 and
+ y2 < y1 + h1
+
+end
+
+function love.load()
+
+ score = 0
+ numbers = {}
+ numbers[0] = love.graphics.newImage("0.png")
+ numbers[1] = love.graphics.newImage("1.png")
+ numbers[2] = love.graphics.newImage("2.png")
+ numbers[3] = love.graphics.newImage("3.png")
+ numbers[4] = love.graphics.newImage("4.png")
+ numbers[5] = love.graphics.newImage("5.png")
+ numbers[6] = love.graphics.newImage("6.png")
+ numbers[7] = love.graphics.newImage("7.png")
+ numbers[8] = love.graphics.newImage("8.png")
+ numbers[9] = love.graphics.newImage("9.png")
+
+ math.randomseed(os.time())
+
+ love.graphics.setCaption("Flappy Bird by PJ")
+
+ -- Initialize viewport
+ love.graphics.setMode(288, 512, false, true, 0)
+ viewX = 0
+
+ -- Initialize background/foreground
+ background = love.graphics.newImage("bcknd.png")
+ ground = love.graphics.newImage("ground.png")
+ getready = love.graphics.newImage("get ready.png")
+ diagram = love.graphics.newImage("diagram.png")
+ pressr = love.graphics.newImage("pressr.png")
+ difficulties = love.graphics.newImage("difficulties.png")
+
+ groundX0 = 0
+ groundX1 = 154
+ groundX2 = 308
+ groundoffset = 0
+
+ bird = Bird.new(50, 128, " ", love.graphics.newImage("bird.png"), 8, 6)
+
+ pipeimg = love.graphics.newImage("pipe.png")
+ toppipe = love.graphics.newImage("top pipe.png")
+ hgap = 84
+ vgap = 60
+
+ pipes = {}
+ npipes = 0
+ for i = 0, 3 do
+ pipes[i] = Pipe.new(200 + (i+1) * hgap, math.random(12 + vgap, 188),
+ pipeimg, toppipe)
+ npipes = npipes + 1
+ end
+
+end
+
+function love.update(dt)
+
+ bird:update()
+
+ for i = 0, npipes - 1 do
+ pipes[i]:update()
+ end
+
+ viewX = bird.x - 50
+
+ if bird.xspeed == 0 and not bird.dead then
+ groundX0 = groundX0 - 1.2
+ groundX1 = groundX1 - 1.2
+ groundX2 = groundX2 - 1.2
+ if groundX0 <= -154 then
+ groundX0 = groundX0 + 308
+ end
+ if groundX1 <= -154 then
+ groundX1 = groundX1 + 308
+ end
+ if groundX2 <= -154 then
+ groundX2 = groundX2 + 308
+ end
+ end
+
+end
+
+function love.keypressed(key)
+
+ if key == "escape" then
+ love.event.quit()
+ end
+
+ if key == " " and bird.xspeed == 0 and not bird.dead then
+ --pick difficulty
+
+ start()
+ end
+
+ if key == "r" and bird.dead then
+ score = 0
+ bird.x = 50
+ bird.y = 128
+ bird.gravity = 0
+ bird.yspeed = 0
+ bird.dead = false
+ for i = 0, 3 do
+ pipes[i] = Pipe.new(200 + (i+1) * hgap, math.random(12 + vgap, 188),
+ pipeimg, toppipe)
+ end
+ end
+
+ bird:keypressed(key)
+
+end
+
+function start()
+ bird.xspeed = 1.2
+ bird.gravity = 0.2 --0.25 before
+
+ groundoffset = groundX0 % 154
+end
+
+function love.draw()
+
+ -- Create viewport
+ love.graphics.scale(2, 2)
+ love.graphics.translate(-viewX, 0)
+
+ love.graphics.draw(background, viewX, 0)
+
+ for i = 0, npipes - 1 do
+ pipes[i]:draw()
+ end
+
+ bird:draw()
+
+ if bird.xspeed == 0 and not bird.dead then
+ love.graphics.draw(ground, groundX0, 200)
+ love.graphics.draw(ground, groundX1, 200)
+ love.graphics.draw(ground, groundX2, 200)
+ else
+ love.graphics.draw(ground, math.floor(viewX / 154) * 154 + groundoffset, 200)
+ love.graphics.draw(ground, (math.floor(viewX / 154) + 1) * 154 + groundoffset, 200)
+ love.graphics.draw(ground, (math.floor(viewX / 154) - 1) * 154 + groundoffset, 200)
+ end
+
+ if bird.xspeed == 0 and not bird.dead then
+ love.graphics.draw(getready, 29, 60)
+ love.graphics.draw(diagram, 50 + 14, 110)
+ end
+
+ if score > 9 then
+ love.graphics.draw(numbers[math.floor(score / 10)], viewX + 72 - 7, 18)
+ love.graphics.draw(numbers[score % 10], viewX + 72 + 1, 18)
+ else
+ love.graphics.draw(numbers[score % 10], viewX + 72 - 3, 18)
+ end
+
+end