Scratch

jono3814 · 2012-07-18 13:06:09

how would you make a sprite jump with gravity in play? without it landing on a obsticle all the time. so you can walk then jump (realistically) using space bar and carry on walking ?

silvershine · 2012-07-18 13:13:12

Hello!

There's a really good platform base that RHY posted a while ago. If you want, you can download it and take a look at the gravity scripts. Because it's a base for a project, it's perfectly alright if you add your own sprites and levels and upload that!

Here it is: (link)

AtomicBawm3 · 2012-07-18 13:15:43

jono3814 wrote:
how would you make a sprite jump with gravity in play? without it landing on a obsticle all the time. so you can walk then jump (realistically) using space bar and carry on walking ?

Try something like this:

when gf clicked
set [gravity v] to (-0.2) //or whatever you want
set x to (0) //or your start position
set y to (0) //^^
set [Velocity.X v] to (0)
set [Velocity.Y v] to (0) //This is your speed basically
forever
change x by (Velocity.X)
change y by (Velocity.Y)
if <touching [level v]?> //or whatever sensing system you're using
change y by ((Velocity.Y) * (-1))
set [Velocity.Y v] to (0)
else
change [Velocity.Y v] by (gravity)
end
set [Velocity.X v] to ((Velocity.X)*(0.99))
set [Velocity.Y v] to ((Velocity.Y)*(0.99))

Hope that helps!

SciTecCf · 2012-07-18 14:41:39

Simplest method.

when gf clicked
forever
 if <touching [ground v]?> //Your ground.
  set [yvel v] to [0]
  if <key [up arrow v] pressed?>
   set [yvel v] to [5] //You can adjust this number.
   change y by (5) //Same number as above.
  end
 else
  change [yvel v] by (-0.1)
  change y by (yvel)
 end
end

Last edited by SciTecCf (2012-07-18 14:42:01)