Newbie question. Simultaneous action and facing?

[DaveyJJ]

Two quick questions.

Code: Select all

on arrowKey theKey
   // move player image
   if theKey is "up" then move image "player" relative 0,-50 in 0.5 seconds
   if theKey is "down" then move image "player" relative 0,50 in 0.5 seconds
   if theKey is "left" then move image "player" relative -50,0 in 0.5 seconds
   if theKey is "right" then move image "player" relative 50,0 in 0.5 seconds
   // move ground slower in a parallax type movement
   if theKey is "up" then move image "ground" relative 0,10 in 0.5 seconds
   if theKey is "down" then move image "ground" relative 0,-10 in 0.5 seconds
end arrowKey

How do I get the player movement, on the up and down keys, for example, and the associated ground movement to work simultaneously? Sort of like ...

Code: Select all

on arrowKey theKey
   // move player image
   if theKey is "up" then move image "player" relative 0,-50 AND move image "ground" relative 0,10 in 0.5 seconds  in 0.5 seconds
   if theKey is "down" then move image "player" relative 0,50 AND AND move image "ground" relative 0,-10 in 0.5 seconds in 0.5 seconds
   if theKey is "left" then move image "player" relative -50,0 in 0.5 seconds
   if theKey is "right" then move image "player" relative 50,0 in 0.5 seconds
end arrowKey

doesn't work. Am I missing brackets to isolate each instruction before the "in 0.5 seconds" or something?

Second question. How do I make a button or image rotate at a variable speed (rotateSpeed) to always point at (track/watch) another image?

Thank you.

[bn]

Dave,
try this

Code: Select all

on arrowKey theKey
   if theKey is up then
      set the lockMoves to true
      move image 1 relative 0,-50 in 0.5 seconds without waiting
      move button 1 relative 0,-50 in 0.5 seconds  without waiting
      set the lockMoves to false
   end if
   if theKey is down then
      set the lockMoves to true
      move image 1 relative 0,50 in 0.5 seconds without waiting
      move button 1 relative 0,50 in 0.5 seconds without waiting
      set the lockMoves to false
   end if
end arrowKey

etc.
look up "lockMoves" and "move without waiting" in the dictionary

Second question. How do I make a button or image rotate at a variable speed (rotateSpeed) to always point at (track/watch) another image?

this is a bit difficult since you can not rotate images in Rev very well, 90 degree steps are ok but if you rotate them repeatedly in smaller increcments they become distorted. What I have seen is that people make multiple images that "look" into the directions you want and then show/hide them accordingly. You would still have to calculate the angle between the two objects.
But maybe someone more into games might have a better idea.
regards
Bernd