Locomule wrote:

I'll try to explain it in text…

When the ball hits a surface, you've got to know 3 things. The speed of the ball, the ball's direction, and the angle or Normal of the surface it hit. That just means which direction it is pointing.
Normals for a brick would be…
0 for the top
90 for the right side
-90 for the left side
180 for the bottom

Makes sense, right? One way to figure normals is when the ball hits an object, have that object set to not rotate but point at the ball. That direction would be the Normal for the object.

ball bounce script…

Forever…
repeat until Move Ball = False
(place all the following in that repeat)
move Ball Speed steps
if on edge, bounce
set Vx to Ball Speed * sin of direction
set Vy to Ball Speed * cos of direction
set Ball Speed to sqrt of ((Vx * Vx) + (Vy * Vy))
set Angle to asin Vx / Ball Speed
…if Vy < 0 then
……if Vx > 0 then
……set Ang to (180 - Ang)
……else
……set Ang to (0 - (Ang + 180))
(end of both If brackets)
point in direction Ang
turn 180 degrees
wait until Point Ball = True
set Local SN to Surface Normal
set Diff to direction - Local SN
…repeat until not Diff < -180
…change Diff by 360
(end of repeat)
…repeat until not Diff > 180
…change Diff by -360
(end of repeat)
…if abs of Diff < 90 then
…point in direction Local SN - Diff
…else
…turn 180 degrees
(end of If/else bracket)
(end of original repeat block)
set Move Ball to True
set Point Ball to False
(end of Forever block)

This will move the ball, bouncing it off the edges of the screen until it hits your object.
When the object touches the ball, it sets Move Ball to False. The ball stops moving and waits for the object to return its Normal via the Surface Normal variable. Once the object sets that variable, it sets the variable Point Ball to True, triggering the ball script to continue. It uses the Normal to figure Diff, a component of the desired bounce angle. Then it turns around makes sure that it is facing the correct direction, offsets its angle again using Diff and taadaa, the bounce is done.

kateg11 wrote:

Hi People I am making a soccer game.
I've been wanting to know how can I make the ball bounce when my SPRITE touches it.
I you know plz send me a message or something that can help or a script. I really need to finish this game so plz help me with this.
THANKS!

bballluke wrote:

Hi, I'm making a game based off of Inkball, a game for Windows Vista and Windows XP. However, I need a script that will make bounces from anywhere look realistic. It's not all 90 degree angles, as the player will be using the pen tool to draw lines for the ball to bounce off of. My friend gave me a sort of bounce script for my first game, Super Marble Challenge, but the ball just bounced backwards, regardless of the angle. This game based off of Inkball is riding on this one script; it would pretty much be the core script. Please help, as I won't be able to make the game any good if I don't get a good script. Thanks in advance. :3

FireyDeath4 wrote:

bballluke wrote:

Hi, I'm making a game based off of Inkball, a game for Windows Vista and Windows XP. However, I need a script that will make bounces from anywhere look realistic. It's not all 90 degree angles, as the player will be using the pen tool to draw lines for the ball to bounce off of. My friend gave me a sort of bounce script for my first game, Super Marble Challenge, but the ball just bounced backwards, regardless of the angle. This game based off of Inkball is riding on this one script; it would pretty much be the core script. Please help, as I won't be able to make the game any good if I don't get a good script. Thanks in advance. :3

Me too!