love2d-tank/powerups/powerup.lua

PowerUp = Object:extend()

-- PowerUp is the super class for all power-ups
-- found in the game

function PowerUp:new(name, x, y, image, time, lifetime)
	self.name = name
	self.x = x
	self.y = y
	self.image = love.graphics.newImage(image)
	self.time = time
	self.lifetime = lifetime

	self.width = self.image:getWidth()
	self.height = self.image:getHeight()

	self.rotation = 1
	self.scaleX = 1
	self.scaleY = 1
	self.originX = self.width / 2
	self.originY = self.height / 2

	-- Collider
	self.collider = World:newRectangleCollider(x, y, 20, 20)
	self.collider:setCollisionClass("PowerUp")
	self.collider:setType("static")
	self.collider:setPosition(self.x, self.y)
end
-- TODO: clean up colliosn on reset
-- make image draw
-- more stuff
-- see you later

function PowerUp:apply(player) end

function PowerUp:remove(player) end

function PowerUp:update(dt)
	--check if the power up is past its lifetime

	--spinnnnnn
	self.rotation = self.rotation + 1.5 * dt

	--grown and shrink
	--[[
	if self.scaleX >= 1.0 then
		self.scaleX = self.scaleX - 0.2 * dt
	elseif self.scaleX <= 1.8 then
		self.scaleX = self.scaleX + 0.2 * dt
	end
	]]

	self.x = self.collider:getX()
	self.y = self.collider:getY()
end

function PowerUp:draw()
	for _, _ in ipairs(PowerUps) do
		love.graphics.draw(
			self.image,
			self.x,
			self.y,
			self.rotation,
			self.scaleX,
			self.scaleY,
			self.originX,
			self.originY
		)
	end
end