littlespacegame/blaster.lua

Blaster = Object:extend()

function Blaster:new(x, y, owner)
	self.x = x
	self.y = y
	self.radius = 10
	self.height = self.radius * 2
	self.width = self.radius * 2
	self.speed = 700
	self.color = { 1, 0, 0 }
	self.destroy = false
	self.owner = owner
end

function Blaster:draw()
	--draw stuff
	love.graphics.circle("fill", self.x, self.y, self.radius)
end

function Blaster:update(dt)
	if self.owner == "player" then
		self.y = self.y - self.speed * dt
	elseif self.owner == "enemy" then
		self.y = self.y + self.speed * dt
	end
end

function Blaster:checkCollision(obj)
	local self_left = self.x
	local self_right = self.x + self.width
	local self_top = self.y
	local self_bottom = self.y + self.height

	local obj_left = obj.x
	local obj_right = obj.x + obj.width
	local obj_top = obj.y
	local obj_bottom = obj.y + obj.height

	if (self_right > obj_left) and (self_left < obj_right) and (self_bottom > obj_top) and (self_top < obj_bottom) then
		self.destroy = true
		obj.health = obj.health - 25
		--other blaster logic here
	end
end