main.lua

main.lua

function love.load()

	gfx = love.graphics
	playerColor = {255, 242, 109}
	groundColor = {72, 203, 93}
	backgroundColor = {42, 103, 52}

	xPos = 300
	yPos = 300

	playerWidth = 40
	playerHeight = 40

	xVelocity = 0
	yVelocity = 0

	playerState = "jump"

	playerJumpVelocity = -800
	runSpeed = 500

	gravity = 1800

	yFloor = 500

end

function love.update(dt)

	--move
	if love.keyboard.isDown("right") then
		xVelocity = runSpeed
	end

	if love.keyboard.isDown("left") then
		xVelocity = -1 * runSpeed
	end


	--jump
	if not (playerState == "jump") and love.keyboard.isDown("x") then
		--make the player jump
		yVelocity = playerJumpVelocity
		playerState = "jump"
	end


	--update player position
	xPos = xPos + (xVelocity * dt)
	yPos = yPos + (yVelocity * dt)


	--apply gravity
	yVelocity = yVelocity + (gravity * dt)


	--stop player when they hit the ground
	if yPos >= yFloor - playerHeight then
		yPos = yFloor - playerHeight
		yVelocity = 0
		playerState = "stand"
	end

end

function love.draw()

	--draw the player shape and colour
	gfx.setColor(playerColor)
	gfx.rectangle("fill", xPos, yPos, playerWidth, playerHeight)

	--draw the ground and colour
	gfx.setColor(groundColor)
	gfx.rectangle("fill", 0, yFloor, 800, 100)


	--draw the background and colour
	gfx.setBackgroundColor(backgroundColor)

end

function love.keyreleased(key)

	if key == "escape" then
		love.event.push("q") -- quit
	end

	if (key == "right") or (key == "left") then
		xVelocity = 0
	end

end