From bdab3c9da76d160d7c6e8997fbd43313002e2eeb Mon Sep 17 00:00:00 2001
From: peterthejohnston <peter.johnston.xc@gmail.com>
Date: Mon, 12 Jan 2015 21:37:07 -0700
Subject: [PATCH] First commit

---
 main.lua | 295 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 295 insertions(+)
 create mode 100644 main.lua

diff --git a/main.lua b/main.lua
new file mode 100644
index 0000000..f9f3e41
--- /dev/null
+++ b/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
\ No newline at end of file