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Breakout code, very confusing? care to explain

By hamchi, with 3 replies.
Last reply by danpost, over 13 years ago:

The code says the same thing as the following <Code Omitted>which might make more sense. If the objects are closer along the x-axis than half the width of the object (which should be the width of the block or paddle -- not the width of the ball) then the ball must be hitting the top or bottom face of the block or paddle and so the y-direction must reverse; otherwise, the x-direction must be reversing. It would seem, however, that corner bouncing would not simulate natural behavi

How to change the cursor image?

By roronoa, with 1 reply.
Replied to by Gevater_Tod4711, over 13 years ago:

In this scenario by Busch2207 the mouse disappears (like the name already says), because the mouseImage changes to a transparent image. If you use another image the mouse will look like this. You could also look at the world class of this game. There I used an image.

Penguins_and_Orbs

Ending game when eaten

By Penguins_and_Orbs, with 23 replies.
Last reply by davmac, over 13 years ago:

If you actually do have a 'canSee' method, you can write: if (! canSee(Penguin.class) && ! canSee(Bee.class)) { The '!' means 'not'.

Looping through a string

By mickyg, with 4 replies.
Last reply by mickyg, over 13 years ago:

Thanks again! It's very much appreciated as I have spent a fair bit of time trying to figure this out.

@nooby123 Some suggestions

By Upupzealot, with 4 replies.
Last reply by nooby123, over 13 years ago:

Wow thanks! That looks actually pretty cool!

Demon time coming soon!

By Game/maniac, with 5 replies.
Last reply by Game/maniac, over 13 years ago:

Need help with working across classes

By iWin4Poland, with 5 replies.
Last reply by danpost, over 13 years ago:

You can find the methods you can use on String objects here.

Crab scenario question

By mncomic, with 5 replies.
Last reply by Upupzealot, over 13 years ago:

XD you are welcome

Help with Object Interaction

By PoleBro764, with 8 replies.
Last reply by Upupzealot, over 13 years ago:

Gevater_Tod4711

need help with String.replace()

By Gevater_Tod4711, with 4 replies.
Last reply by SPower, over 13 years ago:

O, I always click on the old API :(, I'll keep that in mind next time ;)

Help with delay on backgroundmusic

By Tezuka, with 12 replies.
Last reply by danpost, over 13 years ago:

You just need to call this method from the act method without condition <Code Omitted>

is it possible to insert web page?

By won0c, with 9 replies.
Last reply by Upupzealot, over 13 years ago:

Yes, and davmac saw that also, he said the way I'm using maybe unsafe... Now I was worrying about whether I have caused some trouble here

Display on External Monitor ?

By mattdodo, with 3 replies.
Last reply by SPower, over 13 years ago:

Maybe this helps getting the scenario full screen: http://www.greenfoot.org/topics/find/12042#post_12042

Greenfoot Create Scenario Issue

By AgentGinger149, with 15 replies.
Last reply by davmac, over 13 years ago:

You must supply a name for the scenario before you click create/save in the dialog. The "new scenario" function works perfectly well if you do supply a name.

Help

By Stephon231, with 1 reply.
Replied to by danpost, over 13 years ago:

You cannot execute a non-static method without an object of that type (or, you cannot execute a non-static method with a class name). You need to get a reference of an object of that class and execute the method on that object. I am hoping you only have one Ship object in the world for the following code: <Code Omitted>Again, you must have one, and only one, ship in the world for this code. Otherwise, you need the following check: if (getWorld().getObjects(Ship.class).isEmpty()) Do not use the previous code

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