Scratch

TorbyFork234 wrote:

Is the circle bigger than the screen? As in is the character walking around a circle and the circle is rotating to the guy on top for the illusion that the character is the one moving?

If you mean scroll, yes it is...

No, I mean... I don't know what you are saying...

TorbyFork234 wrote:

I asked if the game is like this:
You are the person. You sit up there, at the top of a circle hopping around. Whenever you press the right key, you do the running animation but you stay at the top. The whole circle is just turning underneath you. A wall approaches, you need to jump on it, then off of it. You're not up to it yet. When you're there, you jump, and since you can only be at the top, you always meet it at the top. Not at the bottom. So you would program it like anyother walljumping thing.

So, how do  you do the wall jumping?
I'm not a experienced programmer... 

Though I personally have never used this method, you could make what people call a "sensor."  You take your main costume, duplicate it, color it so that all that's left is the silhouette, and add single-pixel dots of different colors at the four corners.  Let's say you're working with a square character.  You could color the top left of the sensor costume red, top right blue, bottom left green, bottom right yellow.  Then, you have a series of "if" conditions.

Basically, you just test the different possibilities.  Important: Put all the if statements under the same loop.  You can change the costume to the sensor at the beginning of the loop and then back to the character at the end (you won't be able to see the sensor).

For instance:

while(playing == true)
{
  switch to costume (sensor)
  if ((color.red isTouching color.black) && (color.green isTouching color.black))
  {
    This is a collision with a left wall.
  }
  switch to costume (player)
}

applejack wrote:

if <<key [up v] pressed?> and <touching [wall sprite v] ?>>
  set [x velocity v] to ((0) - (x velocity))
  set [y velocity v] to (10)
end

You can change around the y velocity thing to suit your needs. 

The script wouldn't work. What if he didn't jump but he's touching the wall?

If you're trying to make a 3D kind of maze using raycaster, you can download this project and see how it works...
http://scratch.mit.edu/projects/aryabtsev/2422387

P.S. Some people prefer to have multiple "sensors" for faster rendering.

Last edited by aryabtsev (2012-04-05 14:06:12)