This site requires JavaScript, please enable it in your browser!
Greenfoot
Username
Password
Remember Me?
Sign Up, Lost Password
Activity
About
Documentation
Download
Discuss
Scenarios
Discussions
You need to login to take part
Current Discussions
Jump Engine Problem
By 8bitorangejuice, with 10 replies.
Last reply by 8bitorangejuice, about 11 years ago:
Managed to solve it, thanks for the help. //closed
NoClassDefFoundError caused by a GreenfootImage array?
By FlyingRabidUnicornPig, with 1 reply.
Replied to by FlyingRabidUnicornPig, about 11 years ago:
Turns out i did have an image problem, for some reason it gave a different error than normally... Line 08, spelled "cherries" like "ccherries" fixed it and problem solved.
How to get only the r value of a color
By JetLennit, with 2 replies.
Last reply by JetLennit, about 11 years ago:
Thanks
How to check the colour of a pixel in an image, then change it?
By K_wow, with 2 replies.
Last reply by K_wow, about 11 years ago:
davmac wrote...
Line 14 uses reference equality (the == operator) to compare the oldColour object with the colour object returned by getColorAt(). Even if the two objects specify the same colour, there's no guarantee that they'll be the same object. You should use .equals(...) for this check rather than the == operator. if (image.getColorAt(currentPixel, y).equals(oldColour)) ...
Thankyou, it works perfectly!
PDF format Book For GREENfoot
By doughauf, with 2 replies.
Last reply by dangjavageek, about 11 years ago:
Safari Books Online appears to carry the Greenfoot Book (http://greenfoot.org/book) and if you have a public library account, some libraries appear to have a relationship with Safari Books Online so that you can use that as a way to read / reference the book as needed. There's also an option to buy the e-book.
Can we display timer in a game?
By Kaiwalya, with 15 replies.
Last reply by danpost, about 11 years ago:
I came up with the following for the CountDown class:
Greenfoot character moves through walls only horizontally?
By brandondamante, with 1 reply.
Replied to by danpost, about 11 years ago:
If you save in a local field (or fields) the original direction of movement, then check for intersecting object, then when intersection found, move back in the opposite direction to move back off the object. Also, using this way you do not needs all those checks.
special attack types
By darkmist002, with 4 replies.
Last reply by darkmist002, about 11 years ago:
thanks, was hesitant about using loops b/c of what i had read. glad i asked you guys about it, otherwise i won't have even tried loops.
getting hp to scale with waves
By darkmist002, with 11 replies.
Last reply by darkmist002, about 11 years ago:
that works, thanks. can't believe i didn't think of something that simple. guess i got so caught up by using modulus division i forgot about regular lol.
Changing colour of a fillRect(x1,y1,x2,y2)
By 8bitorangejuice, with 8 replies.
Last reply by 8bitorangejuice, about 11 years ago:
Oh and as for the question: I am using a static int :)
main menu + keeping the score. help!
By Icecold, with 7 replies.
Last reply by Skylander85, about 11 years ago:
thx
i need help uploading my scenario
By JayWood860, with 15 replies.
Last reply by davmac, about 11 years ago:
How did you fix it? If others have the same problem it will be useful for them to know.
How to erase previous drawn images?
By AceticAcid, with 5 replies.
Last reply by Zamoht, about 11 years ago:
Oh I didn't get that the whole thing was made in one GreenfootImage.
Methods with optional values?
By Entity1037, with 3 replies.
Last reply by Zamoht, about 11 years ago:
Sorry for my late answer. I guess you already found out but yes it is possible and it will work.
CHALLENGE 3 | June 2013
By FlyingRabidUnicornPig, with 59 replies.
Last reply by steved, about 11 years ago:
thanks
801
802
803
804
805
806
807
X