


You can walk backwards and collide with yourself.Apples can be placed ontop of the snake, making them invisible! In placeApple we should prevent this by always finding a free position on the board.Try it out below: View this in a new tab The final game now works!Īfter revelling in your success, we can note there are still bugs to be fixed: function placeApple () Mission successĪnd there you have it, a complete snake game made entirely in simple HTML, JavaScript and CSS.

We then update theīoard at this position with the property apple set to the value 1. This is something we will do many times, so we introduce a new function placeAppleĪpples should be assigned to a random position, so we pick a random cell on theīoard, using the Math.random and Math.floor functions in combination to pickĪn integer (non-decimal) number for the X and Y positions. Placing applesįirst step is placing the apples on the board. Now all that remains is picking up the apples and collision detection with the tail. Last time we made the snake move on the board and added keyboard controls. It’s time to complete our small snake game (long timeout between posts due to work). We will check if the game is over right after the call to process method.You should first read part 1 and part 2 of the tutorial. Let’s compile Rust and finish the JavaScript side! Restarting the Game We declare a self-intersection when the projected head is inside of one of the tail segments, and the distance between the projected point and head is less than half of the cell. If the snake has more than five segments, we want to check for self-intersection. Impl Game įirst, we check if the head of the snake is outside of the game field.
