int SCREENW = 900
int SCREENH = 600

int scoreOne = 0
int scoreTwo = 0

float paddleMoveSpeed = 200

func Main(input, in)
{
	CPP.Graphics.Init("This is a pong game", SCREENW, SCREENH)
}

func Start()
{
	float xPosBall = SCREENW / 2
	float yPosBall = SCREENH / 2
	Vec2 ballPosition = NVec2(xPosBall, yPosBall)
	Vec2 ballScale = NVec2(16, 16)
	
	Vec2 paddleScale = NVec2(16, 70)
	
	float yPosPaddle = yPosBall - paddleScale.y / 2
	
	Vec2 lPaddlePosition = NVec2(15, yPosPaddle)
	global Vec2 lPaddleTargetPosition = NVec2(15, yPosPaddle)
	
	float rOffset = SCREENW - 15
	Vec2 rPaddlePosition = NVec2(rOffset, yPosPaddle)
	global Vec2 rPaddleTargetPosition = NVec2(15, yPosPaddle)
	
	global Sprite ballSprite = CPP.Graphics.Sprite("./square.png", ballPosition, ballScale, 0)
	global Sprite lPaddle = CPP.Graphics.Sprite("./square.png", lPaddlePosition, paddleScale, 0)
	global Sprite rPaddle = CPP.Graphics.Sprite("./square.png", rPaddlePosition, paddleScale, 0)
}

func Update(deltaTime)
{
	//print deltaTime
	if GetKey("W") == true
	{
		float newX = lPaddle.position.x
		// Subtract from Y to move up, because vertical coordinates are reversed
		float newY = lPaddleTargetPosition.y - paddleMoveSpeed * deltaTime
		newY = Clamp(newY, 0, SCREENH - 70)
		lPaddleTargetPosition = NVec2(newX, newY)
	}
	if GetKey("S") == true
	{
		float newX = lPaddle.position.x
		// Add to Y to move down, because vertical coordinates are reversed
		float newY = lPaddleTargetPosition.y + paddleMoveSpeed * deltaTime
		newY = Clamp(newY, 0, SCREENH - 70)
		lPaddleTargetPosition = NVec2(newX, newY)
	}
	// Lerps from old position to destination smoothly
	float oldY = lPaddle.position.y
	float stopSpeed = deltaTime * 15
	float newY = lPaddleTargetPosition.y
	float lerpedY = Lerp(oldY, newY, stopSpeed)
	//print "0 < " + newY + " < " + SCREENH
	lPaddle.position = NVec2(newX, lerpedY)
	
	print "FPS: " + 1 / deltaTime
	
	
	// Finally draws all of the sprites
	CPP.Graphics.Draw(ballSprite)
	CPP.Graphics.Draw(lPaddle)
	CPP.Graphics.Draw(rPaddle)
}