Flash :: Changing The Direction Of A Ball On Collision Base On Speed
Jan 4, 2010
I am creating a ping pong game. And I want to create the ability to control the direction of the ball based on the impact on the paddle. If the ball is coming down at vy = 4; vx = 4;
and the paddle is moving to the left at vx = -5; I want the ball to slightly change its course depending on how fast the paddle is moving. It would probably reduce the balls vx speed on collision, therefore making the ball move more straight (close to the Y axis) when it is moving back up.
I figure the solution for probably doing this would be to measure how fast the paddle is going. My problem is the paddle is controlled by the mouse and has no certain speed. I am trying to figure out how I can measure the speed of my mouse traveling on the x axis.
I am probably going to create a timer that fires every few seconds to determine where the mouse was and where it is at. figure the difference and that will be the speed
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ball collision inside another ball using gravity.I have one large circle in the middle of the stage (its radius is 150 pixels). I have another circle inside of that one (20 pixels radius), this is the smaller ball that I would like to have bounce around inside of the larger one with gravity. When the small ball hits the edge of the larger circle, I would like it bounce inwards to the center of the larger circle. It keeps doing this until it eventually stops in the center of the larger circle at the bottom.
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Mar 17, 2011
have a ball with the name of mc which can be moved using the keyboard .. when you press the left mouse button shoots the ball, this ball and the other flies in the face where the cursor was in the shot .. but if you move the cursor to another location and shoot a second time then the second ball is also flying in the direction of the cursor and the first ball change direction toward a second shot ..
ActionScript Code:
import flash.display.MovieClip;
import flash.display.DisplayObject;
import flash.events.MouseEvent;
[Code]....
how to make that first ball did not change its direction and continued to fly in the direction of the shot?
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Jul 29, 2010
I have the values (x, y, xSpeed, ySpeed) of the movieclips (Hero and Badguy)Now, when they collide, how will i calculate how hard the collision is?Obviously weight, acceleration, etc. are out of the question, as it just needs to be based on their speeds.
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Mar 17, 2011
I have a ball with the name of mc which can be moved using the keyboard .. when you press the left mouse button shoots the ball, this ball and the other flies in the face where the cursor was in the shot .. but if you move the cursor to another location and shoot a second time then the second ball is also flying in the direction of the cursor and the first ball change direction toward a second shot ..
ActionScript Code:
import flash.display.MovieClip;
import flash.display.DisplayObject;
import flash.events.MouseEvent;
import flash.ui.Keyboard;
var dist:Number = 0;
[Code] .....
How to make that first ball did not change its direction and continued to fly in the direction of the shot?
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Sep 6, 2005
I would like the Ball to move in a random direction 0-360,Then i would like the Ball to richoche off of the BallBoundry in its reflected direction.
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Program Files(x86)/Adobe/Adobe Flash CS4/Common/Configuration/Component Source/ActionScript3.0/User Interface/fl/controls/Slider.as
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ActionScript Code:
override protected function configUI():void {
super.configUI();
thumb = new BaseButton();
thumb.setSize(60, 60);
[Code] .....
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I am having a problem with this actionscript, i post it on my mc but it doesnt work. (except for the turning it just wont go forward or back)
CODE:
onClipEvent (enterFrame) {
//This code will advance the car forward.
if (Key.isDown(Key.UP)) {
speed += 1;
[code]....
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Oct 12, 2004
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collision system -> [URL]
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May 31, 2011
Ok so I have been doing a bunch of flash games for a while now. And it has been fun doing them with some basic physics(euler). But there comes a time when you need to step out onto deep waters. So I decided I would try to learn how to make some sort of more advanced physics engine. So I could do awesome collisions and cool ragdolls! After some googeling I found the �verlet� method. So yesterday and today I have tried to learn how to do that. To implement the motion to a point is as easy as it was with euler. But the collision detection stuff is a bit harder(or is it??). With euler, If I have an object, like the player, and I want him to follow the ground, I would code something like this.
[Code]....
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May 24, 2010
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[Code]...
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May 25, 2010
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Oct 20, 2004
I want to record the highest xspeed the ball reaches to display in the statistics at the end of the game:
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Oct 20, 2004
I want to record the highest xspeed the ball reaches to display in the statistics at the end of the game:
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I've just learned the basics of programmatic animation in Actionscript 3.0 but I can't seem to think of the right solution for this problem.Here is what I'm trying to do: A ball moves at a certain speed from the left of the screen to the right end. If there's a box in the way, it keeps bumping into it until the box breaks and it continues moving forward.The box will have a set weight that will control how much it slides when it is bumped by the ball. The ball will be pushed back a bit when it bumps the box.I have a very specific idea and all I need is a little help starting. How would you tackle this problem?
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I have small popup box which expands from size zero to some size when clicked on the expand button.
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Jan 3, 2011
Would some wonderful person be willing to take a look at this code and tell me what I'm doing wrong?
I'm trying to use ENTER_FRAME method to get a moving movieclip to change direction when it hits certain x and y coordinates. I want the movieclip to move horizontally, then down, then horizontally again. With this code my movieclip starts off moving down at a diagonal and I can't for the life of me figure out why. (probably something simple I'm overlooking?) I'm a beginner at actionscript.
[Code]...
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Jun 27, 2006
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I need my thumbnails to scroll UP and DOWN instead of LEFT and RIGHT, and have been trying to modify the ActionScript that came with the downloadable .fla file for the tutorial, but without complete success yet. (The functionality of the whole thing is still intact except for the scrolling thumbnails.)
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hit_right changed to hit_down
_x changed to _y
[Code].....
Again, this is the ORIGINAL ActionScript, not my modified version. Only the items highlighted in red have been changed in my modified version. Basically when I test the movie now, I get the last two thumbnails of the gallery transposed one over the other, at the point of the movie clip instance, and no scrolling at all. When I use the UP and DOWN keys, I do get to "manually" scroll through the big images, but no change in the thumbnail area.
What have I screwed up or overlooked? I have scanned and scanned and scanned the above section of the AS, and I can't see any other variables that ought to be meddled with.
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May 13, 2008
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Mar 8, 2005
I'm developing a game atm, and I need some help on the mathematics/coding of colliding circles (and their change in x/y speed). What i need to know is how to calculate the direction and speed a circle has after colliding with a static (non-moving) circle. I know how to detect a collision between the two, but I'm not sure about the maths I need to give the circle the right speed and direction after the collision
If i do know how far away the two circle-points (in the middle of each) are to each other (in both x and y coords) would it be easy for me to find the new speed and direction of the large circle in the example above? I know that I somehow should use the angles to pretend the circle hits a flat "wall" (as it only hits one point), and then calculate the new speed/direction. My only problem is that I'm not sure how to decide the angle of this flat "wall" and how x and y speeds should change when colliding with a wall that is angled. Does anyone here have any insight, links or tips on how I can du this?
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Mar 8, 2005
What i need to know is how to calculate the direction and speed a circle has after colliding with a static (non-moving) circle. I know how to detect a collision between the two, but I'm not sure about the maths I need to give the circle the right speed and direction after the collision.If i do know how far away the two circle-points (in the middle of each) are to each other (in both x and y coords) would it be easy for me to find the new speed and direction of the large circle in the example above? I know that I somehow should use the angles to pretend the circle hits a flat "wall" (as it only hits one point), and then calculate the new speed/direction. My only problem is that I'm not sure how to decide the angle of this flat "wall" and how x and y speeds should change when colliding with a wall that is angled.
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Jun 21, 2011
I'm working on code for collision. My question isn't about how to make it work. I have a bizarre problem with a variable that is NOT changing when I want it to.
ActionScript Code:
public function movement(e:KeyboardEvent){
var yesobject:Number = 0;
var thecode:Number = e.keyCode;
if(thecode == Keyboard.LEFT){
[Code] .....
I've had this problem before. the trace(); commands outputs so why does the variable not change even though it's in the same if statement?
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Jan 1, 2011
I am new to Flash and Actionscript and am currently working on some code pulled from another post to try and learn from what others are doing or have done. I have created a star movieclip and am attempting to move it randomly accross the stage in a relatively slow speed. When I run it, it moves randomly but way too fast. I have spent the last 6 hours playing with the code, researching help files and also looking up other discussions but nothing seems to be helping. Here is what I have so far. My apologies if the code looks like a hack. This is being done in CS4 if that matters at all. If anyone could shed some more light on how to handle controlling the speed or rate of random movement with some insight
[CODE]....
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Apr 3, 2009
way to change the speed of my movieclip without changing the frame rate, as it will mess the rest of my animation up. It looks great at 12fps but the rest of my animation is 24fps. I seem to of come across quite a lot of things about gotoAndStop function but I don't know if this would work as the animation is constantly flowing so wouldn't it suddenly jump? I made one petal and applied the following code to it (kindly done by Gu35s) so there are lots of random pretals moving across the screen, it is done in a similar way to how snow is done using actionscript. Here's the code:
var p = 0;
this.onEnterFrame = function() {
mc = this.attachMovie('petal_mc', 'petal' + p, p);
mc._x = tree_mc._x + (Math.random() * tree_mc._width);
[Code].....
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Jul 25, 2011
Just something curious, can I change the datagrid scrolling speed?
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