Movement, collision detection, and the simplest possible game loop.
Before you start: finish lesson 4.4. That is the last thing this project needs. Starting earlier is allowed and you will hit a method nobody has shown you yet.
Tutorial. Put this window on one side of your screen and Greenfoot on the other, then build along with it.
Every one of these appears in the build. The lesson number is where the
course teaches it, so if a row looks unfamiliar you have not missed anything,
you just have not got there yet.
Method
Taught in
What it does here
Greenfoot.isKeyDown("up")
2.7
true while a key is held
setLocation(getX(), getY() - 5)
1.4
up is a SMALLER y
isTouching(Flower.class)
4.4
am I overlapping a flower
removeTouching(Flower.class)
4.4
eat it
private int score
3.8
a number that survives between frames
public void checkKeyPress()
3.2
act() calls three named methods
getWorld().showText("Score: " + score, 50, 50)
6.7
one line, used early on purpose
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