#Greenfoot counter how to
#Greenfoot counter pdf
#Greenfoot counter code

* Alternate the crab's image between image1 and image2. * Act - do whatever the crab wants to do. Image2 = new GreenfootImage('crab2.png') * Create a crab and initialize its two images. I need to create a counter within the act method that changes the image every time it reaches 3, then resets itself to 0. I am new to Greenfoot and was hoping I could also get some assistance with the mentioned book problem. * Return false if there is no such object here.Īctor Mydog = getOneObjectAtOffset(0, 0, clss) * Animate dog by switching between images. * Check whether a key has been pressed and if so move the dog accordingly.

#Greenfoot counter how to

Learn how to add and subtract points to the counter. * I sleep for a specified length of time and snore too! Learn how to add a counter to Greenfoot to keep track of the score. * This dog gets sleepy when its energy hits 20 and needs to walk slower. Force the player-controlled Dog to fall asleep when its energy reaches 0, and once it wakes up, set its energy to 100.įor (int counter = 0 counter < 1 counter++) Make the player-controlled Dog move more slowly whenever the method isTired returns a value of true.ģ. Write a loop that subtracts one from the Dog’s energy for every 30 steps that the Dog takes. It all compiles but it just won't do what I want.ġ. I also need to make the dog interact with other dogs in the world but I can't get him to. I have a counter but it doesn't seem to count. When he is sleeping I need his energy to replenish. I am trying to make the dog sleep when his energy reaches zero but I can't get his energy to deplete. Hello, I am trying to do the same scenario and I am stuck at the same point that rgadue was at. * Look for stationary dogs and greet (bark) when interacting. * Return true if we can see an object of class where we are.Īctor actor = getOneObjectAtOffset(0, 0, clss) * Dog moves north, south, east, west, northeast, northwest, southeast, and southwest. * This dog gets sleepy when its energy hits 20 or lower. * the 'Act' or 'Run' button gets pressed in the environment. * Act - do whatever the MyDog wants to do. Make the player-controlled Dog move more slowly whenever the method isTired returns a value of true.ġ0.ğorce the player-controlled Dog to fall asleep when its energy reaches 0, and once it wakes up, set its energy to 100. Write a loop that subtracts one from the Dog’s energy for every 30 steps that the Dog takes.ĩ.

I got it to compile and now I'm struggling with my next step.Ĩ.

Create a Scoreboard object, to ask the Turtle how many flowers it has eaten.Davmac - thanks for the help.

Tell the Turtle to count how many flowers it has eaten.

Create a flower for the Turtle to eat.

#Greenfoot counter code

The Turtle has no code inside it to tell it to do anything (right click on Turtle, open editor). It is called TrickAtStart, so you know it is the version of Trick the Turtle at the start of this tutorial (as opposed to, TrickAtEnd).

Open TrickAtStart in Greenfoot – this is the file we will be working from.

#Greenfoot counter pdf

The PDF you are reading should have been supplied with these files. Quick Greenfoot Score Counter For the purposes of this demo, I will be using MIK's Trick The Turtle scenario, as used at the start of Episode 3 of Joy of Code, plus a score counter I have used elsewhere.