platform = {}
player = {}

function love.load()
    platform.width = love.graphics.getWidth()
    platform.height = love.graphics.getHeight()

    platform.x = 0
    platform.y = platform.height / 2

    player.x = love.graphics.getWidth() / 2
    player.y = love.graphics.getHeight() / 2

    player.speed = 200

    player.img = love.graphics.newImage('purple.png')

    player.ground = player.y

    player.y_velocity = 0

    player.jump_height = -300
    player.gravity = -500
end

function love.update(dt)
    if love.keyboard.isDown('d') then
        if player.x < (love.graphics.getWidth() - player.img:getWidth()) then
            player.x = player.x + (player.speed * dt)
        end
    elseif love.keyboard.isDown('a') then
        if player.x > 0 then
            player.x = player.x - (player.speed * dt)
        end
    end

    if love.keyboard.isDown('space') then
        if player.y_velocity == 0 then
            player.y_velocity = player.jump_height
        end
    end

    if player.y_velocity ~= 0 then
        player.y = player.y + player.y_velocity * dt
        player.y_velocity = player.y_velocity - player.gravity * 0.01
    end

    i=dt

    if player.y > player.ground then
        player.y_velocity = 0
        player.y = player.ground
    end
end

function love.draw()
    love.graphics.setColor(255, 255, 255)
    love.graphics.rectangle('fill', platform.x, platform.y, platform.width, platform.height)

    love.graphics.draw(player.img, player.x, player.y, 0, 1, 1, 0, 32)
    love.graphics.print(i, 100, 100, 0, 10, 10)
end