How do you change the speed for an object?

Have you ever heard of velocity? It's basically the same thing as speed, but when you turn it into a variable, you can do so much more with it. For example, take a look at this code:

when gf clicked
set [X Velocity v] to (5)
forever
  change x by (X Velocity)

Your velocity is 5, so your speed is 5 pixels. It's like 5 mph or 5 meters per minute, except in pixels. So you move 5 pixels each time the script is run. Now, let's say we want to slow down to a stop. A slight change to your code would do that:

when gf clicked
set [X Velocity v] to (5)
forever
  change x by (X Velocity)
  set [X Velocity v] to ((X Velocity) * (0.98))

Each time the script is run, your velocity is decreased slightly, so you don't move as far. When you run the script enough times, you slow down to a stop. Do you see how it all works?

Anyway, what you'll need is the first script I showed you. Whenever you want to change/set your speed, do it to (X Velocity). You should be able to change your speed now!

Showing,

ErnieParke

You can do the same thing with Y, right?

stop roblox

yes

when green flag clicked
forever
    
glide () secs to x: () y: ()
change x by (X Velocity)
change y by (Y Velocity)
end

Would the glide () secs to x: () y: () script effect the velocity?

Remove the glide block.
You shouldn't have it if you have a platformer.

This is the project I'm using velocity on.. http://scratch.mit.edu/projects/17992027/
I wanted the target to change speeds as it moves around but I didn't really think I was using the scripts the right way..
How could I fix this?

That's all great but i need a code that can make the time spent jumping in the air affected by the speed of an object

when green flag clicked
forever 
if <<key [ up] pressed?>> then
change y by (70)
wait (         ) secs
change y by (-70)

Not sure why that kept putting my response in a scratch block.

Anyway, to VIC6492. You should create your own topic so the original question can be answered and closed. We can certainly help with your question.

how?

hyperpoly67 wrote:

how?

Please don't bump old topics - that's called necroposting. Check the date of the last post. That was a year ago! If you need help, just make a separate topic/thread in the appropriate forum.
Thanks!