local velocity = {x=0,y=0}
local lerpmnt <const> = 0.5
local grav <const> = 0.2
local gfx <const> = playdate.graphics
local active = false

local imgRocket = gfx.image.new("gfx/rocket")
assert(imgRocket)
local sprRocket = gfx.sprite.new(imgRocket)
sprRocket:setCollideRect(7, 7, 14, 14)

function addPlayer(x,y)
    active = true
    sprRocket:moveTo(x,y)
    sprRocket:add()
end

function updatePlayer()
    if active then
        if playdate.buttonIsPressed(playdate.kButtonUp) then
            velocity.x = velocity.x + math.sin(math.rad(playdate.getCrankPosition()))
            velocity.y = velocity.y - math.cos(math.rad(playdate.getCrankPosition()))
        end
        sprRocket:moveBy(velocity.x,velocity.y)

        local cx, cy = gfx.getDrawOffset()
        gfx.setDrawOffset(playdate.math.lerp(cx,(-sprRocket.x + 200), lerpmnt), playdate.math.lerp(cy,(-sprRocket.y + 120), lerpmnt))

        sprRocket:setRotation(0)
        sprRocket:update()
        --print(#sprRocket:overlappingSprites())

        sprRocket:setRotation(playdate.getCrankPosition())

        velocity.y += grav
    end
end