Love - Bomberman Concept

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Variables

local size = 9
local space = 5
local width = size * 45 + space
local height = size * 45 + space
local range = 2

Tile Class

function Tile(tiletype)
	local self = {
		tiletype=tiletype,
		timer=0
		}
		
	function self.getimage(tiletype)
		return love.graphics.newImage(tiletype..".png")
	end
	
	function self.setimage()
		self.image=self.getimage(self.tiletype)
	end
	
	self.image=self.getimage(tiletype)
	
	return self
end

Map Class

function Map()
	local self = {}
	
	self.map = {}  -- create the matrix
    for i=0,size do
		self.map[i] = {}     -- create a new row
		for j=0,size do
			if i%2==1 and j%2==1 then
				self.map[i][j] = Tile("wall")
			else
				self.map[i][j] = Tile("ground")
			end
		end
    end
	
	self.map[3][2] = Tile("brick")
	self.map[4][7] = Tile("brick")
	
	function self.draw()
		for i=0,size do
			for j=0,size do
				love.graphics.draw(self.map[i][j].image,i*45+space,j*45+space)
			end
		end
	end

	end
	
	return self
end

Map Update Method

	
	function self.update(dt)
		for i=0,size do
			for j=0,size do
				tile = self.map[i][j]
				if tile.timer > 0 then
					tile.timer=tile.timer-dt
				else
					if tile.tiletype=='explosion' then
						tile.tiletype='ground'
						tile.setimage()
					end
					
					if tile.tiletype=='bomb' then
						tile.tiletype='explosion'
						tile.setimage()
						tile.timer=.5
						
						for a=0, 3 do
							if a == 0 then
								angle=0
							elseif a== 1 then
								angle = 360
							elseif a== 2 then 
								angle=90
							elseif a== 2 then 
								angle=180
							end
							cosa = math.floor(math.cos(math.rad(angle)))
							sina = math.floor(math.sin(math.rad(angle)))
							for r = 1, range do
								xoffset = r * cosa
								yoffset = r * sina

								if i+xoffset >=0 and i+xoffset <=size
								and j+yoffset >=0 and j+yoffset <=size then
									if self.map[i+xoffset][j+yoffset].tiletype ~= "wall" then
										self.map[i+xoffset][j+yoffset].tiletype='explosion'
										self.map[i+xoffset][j+yoffset].setimage()
										self.map[i+xoffset][j+yoffset].timer=.5
									else
										break
									end
								end

								if i-xoffset >=0 and i-xoffset <=size
								and j-yoffset >=0 and j-yoffset <=size then
									if self.map[i-xoffset][j-yoffset].tiletype ~= "wall" then
										self.map[i-xoffset][j-yoffset].tiletype='explosion'
										self.map[i-xoffset][j-yoffset].setimage()
										self.map[i-xoffset][j-yoffset].timer=.5
									else 
										break
									end
								end
								
							end
							
						end
					end					
					
				end
			end
		end

Player Class

function Player(startx, starty)
	local self = {
		x=startx,
		y=starty,
		timer=0,
		interval =.3,
		lives = 3,
		deadtimer = 0
	}
	
	self.image = love.graphics.newImage("player.png")
	
	function self.draw()
		love.graphics.draw(self.image,self.x*45+space,self.y*45+space)
	end
	
	return self
end

Player Update Method

	function self.update(dt, gamemap)
		local x = self.x
		local y = self.y
		
		if self.deadtimer > 0 then
			self.deadtimer = self.deadtimer - dt
		end
		
		if self.timer<=0 then
			if love.keyboard.isDown('a') then 
				self.x = self.x - 1
				self.timer=self.interval				
			elseif love.keyboard.isDown('d') then 
				self.x = self.x + 1
				self.timer=self.interval	
			elseif love.keyboard.isDown('w') then 
				self.y = self.y - 1	
				self.timer=self.interval	
			elseif love.keyboard.isDown('s') then 
				self.y = self.y + 1
				self.timer=self.interval
			end
		else
			self.timer = self.timer - dt
		end
		
		if self.x >= 0 and self.x <= size-1
			and self.y >= 0 and self.y <= size-1 then
			if gamemap.map[self.x][self.y].tiletype~= "ground" then
				self.x=x
				self.y=y
			end
		else
			self.x=x
			self.y=y
		end
		
		if love.keyboard.isDown('b') and gamemap.map[self.x][self.y].tiletype == "ground" then 
			gamemap.map[self.x][self.y].tiletype= "bomb"
			gamemap.map[self.x][self.y].setimage()
			gamemap.map[self.x][self.y].timer=3
		end
		
		if gamemap.map[self.x][self.y].tiletype== "explosion" and self.deadtimer <= 0 then
			self.x=0
			self.y=0
			self.lives = self.lives-1
			self.deadtimer=1
			print ("lives "..self.lives)
		end		
	end

LOVE Load, Update, Draw

function love.load()
	love.window.setMode(width, height)
	gamemap = Map()
	player = Player(0,0)
end

function love.update(dt)
	player.update(dt, gamemap)
	gamemap.update(dt)
end
 
function love.draw()
	gamemap.draw()
	player.draw()
end