Hello, The error message you're seeing is from Emscripten, the tool that is used to compile Love2D (and many other things) to JavaScript so it can run in a web browser. What it's saying is that you're trying to set up a new game loop while an old one is still running. When you refresh the page, your...

In the love.graphics.draw() function, (self.orientation == 'top' and self.y + PIPE_HEIGHT or self.y) is not returning true or false, but rather it's using Lua's version of a ternary operation. This can be read as: If self.orientation equals 'top', then use self.y + PIPE_HEIGHT, else use self.y. This...