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love2d-tank/powerups/powerup.lua

70 lines
1.4 KiB

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