ActionScript 2.0 :: CS3 Collision Of A Moving And A Static Object?
Jan 2, 2010
I have three objects in the main scene (so far), one of them is draggable (up and down only), then the animated one that moves downwards and the start button (activates the animation). So I've been trying to figure out how to script the collision detection for the first two? The collision should take place not because I dragged the slider onto the animated block, but because the falling piece hits the slider after I pressed the start button.
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Similar Posts:
Feb 22, 2010
As the title says: Stop object from moving further when collision occurs.
Right now I'm trying to make a sliding puzzle. So far I have a block which I can click and drag around, and a few walls which are the boundaries. What I'm trying to do is make an area where the block can slide within the boundaries. So when you try to drag the block into an direction it will stop, whether you got mouse_down or mouse_up. My script so far
Code:
stop();
//Sliding Blocks
MCBlock1.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
[Code]....
Also I need to use a lot of boundaries, so if there's a way to apply this script easily to several objects
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Apr 12, 2011
i am listening contact between dynamic bodies. But cannot listen contact between dynamic and static bodies .
I can handle collision detection on my b2contactListener class with this metod.
public override function BeginContact(contact:b2Contact):void {
// getting the fixtures that collided
var fixtureA:b2Fixture=contact.GetFixtureA();
[Code].....
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Mar 28, 2011
With AS3 I managed to resolve the problem I said in the thread, but now I face a new problem.If you hit the wall, it will register a collision as it should. Goes the same for the exit. But if you look to the upper left, there's a rotating rectangle. If you hit the rotating rectangle, it will register a collision IF YOUR CURSOR MOVED.That's right, if you freeze the cursor in place as the rectangle comes sweeping in, it WILL NOT register a collision, meaning if it were a maze game, people could cheat by just staying still.I forgot, here's the code:
Code:
stop();
stage.addEventListener(MouseEvent.MOUSE_MOVE, detectHits);
[code]......
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Jan 16, 2012
I'm having a little problem with collision detection. I'm currently with very simple game, where the only thing that is off is the collision.I tried with hittestobject and (as I found) it checks for the outer layer (my objects are a circle, and a weird star), so this method was of no use to me. Then I tried with hittestpoint, and I found that it checks for the center of the objects, so game over happens only where the center of an enemy touch the center of my character.I know that I must have something missing and I found a lot of guides but all of them were with squares or with static objects
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May 10, 2011
I am creating a scheduling application that shows projects (wrapped within a canvas) on a 2 week calendar timeline.If the user decides to move a project over by a day, i need to check and see if the moving project would then overlap with any other existing projects. If it does, one of the two projects would need to move down the screen along the y axis until the two projects no longer overlap.I've created a function that loops through a repeater item which is used to create the projects... the end result of this function is an arrayCollection that holds:
0. the id number within the repeater
1. the project title
2. x coordinate
3. y coordinate
4. the width of the project
5. the height of the project
I have also created a function that takes the two objects within the array collection and determines if they're overlapping.I can not, however, figure out a working loop that goes through the array collection, compares each item within it, checks to see if they overlap, moves the project if they do overlap, and then continues onto the next project.
Also, I need to make sure that moving one project will not make it overlap with another.I ended up having to reset each elements y value to 0 each time any project is moved and then re-evaluating whether or not they collide.
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Feb 7, 2010
has anyone found an AS3 source/Maths-lib etc that covers not just simple collision tests but swept collision tests (at least swept AABB/circle tests) for fast moving objects? I had a quick look at flixel but even that does not seem to have sweep tests for fast moving objects.
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Feb 24, 2012
I'm trying to implement a aabb to circle collision.
[Code]...
Somehow the collision does work as expected. Either they never move at all and "collided" was traced, or they'll continue moving and never collide when I tried swapping values around. Is there something i'm missing in my logic??? My box-box and circle-circle collision are working fine.
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Nov 7, 2009
I have 2 classes, Display holds the currently selected Component:
public class Display
{
public static var selectedComponent:Component;
}
Component has an ID string and the selectedComponent variable is set on click:
public class Component extends MovieClip
{
public var id:String;
addEventListener(MouseEvent.CLICK, function() {
[Code]...
Removing the selectedComponent variable type so it reads public static var selectedComponent; removes the conversion error and seems to change the ID variable but it appears to only be a copy of the object.
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Oct 7, 2011
I am currently making a game based on slicing other objects, basiclly when you hold down and drag your mouse and then release it an object that shows the cut will be created.
//Sliceline.as
package
{
import flash.display.Bitmap;
[code]....
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Mar 30, 2010
I am currently creating a game in which the character is stationary in the middle and the world moves in relation to the character. When the character is not moving and not touching anything, I need the world to shift upward to meet the character and stop on collision detection. The problem is I have no idea how to conceptually make this work.
making assets "fall up" and stop when colliding with an object (basically reverse gravity).
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Feb 23, 2012
I am trying to do a apply a tween for the width property on a MovieClip Object but every time it changes the width and the position too, and I don't want that. I want to change the width going to one side without changing the x and y of the object.
I tried both of thes and they gave the same result.
var c:Tween = new Tween(left, "scaleX", Strong.easeOut, 1, 1.5,20,true);
var c:Tween = new Tween(left, "width", Strong.easeOut, 20, 200,20,true);
I think it is applying the transformation according to a center of the movie clip. but I don't know how it can be changed.
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Apr 13, 2011
Im working on a small project and it involves a guy which you move with the arrow keys. The arrow keys add to his x, y velocities and his position is updated accordingly. How can i get this man to grab onto an object and spin around it (like when you grab pole and letting your momentum swing you around) . I can make him grab the object but I dont know how to modify his x,y speeds to simulate the arc.
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Feb 7, 2009
I need to detect collision between my bezier curve (drawn using curveTo method) and a object, the curve is dyanamic and hence the equation changes every frame. I am looking for a efficient method to detect collision between curve and the object.
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May 10, 2010
I have two MC's on the stage. One of them is standing still in one position, the second one is moving towards it. I want the moving mc stop right at the very centre of the first mc. I've tried using hitTestPoint, but I don't know how to set the proper parameters. If I put there just: mc1.hitTestPoint(mc2.width / 2, mc2.height / 2, true), the trace function I use doesn't seem to have even noticed the collision...
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Jan 17, 2012
Is there a way to test collision with a child of an object?eg.
ActionScript Code:
obj1.hitTestObject(obj2.childObj1)
obj1 and obj2 are on the same level of hierarchy.
I am trying to test when an object collides with a particular location of another object so i made a 1x1 movieclip (childObj1) and placed it inside obj2 at that particular position.
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Feb 19, 2008
I read the tutorial about Multiple Object Collision Detection. What I want to do is have there be 3 circles and 3 squares. the circles are moving randomly while the squares are stationary. The actionscript would need to be checking to see whenever the moving circles collide with the stationary squares. However, it doesn't seem to be working. I followed the logic of the tutorial pretty closely, by making a separate list for the instance names. Here is the code for the collision detection.
[Code]...
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Nov 11, 2011
I want to create a function in which I can drag a MovieClip which will bump into other MovieClips on the stage without overlapping them. (i.e. the object cannot be dragged over or through other MovieClips).
function dragHolder01(event:Event):void{
if (mouseDownHolder01 == true) {
for(var m:int = 0;m<blockHolder.numChildren; m++){
[code].....
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Mar 28, 2012
I'm trying to have an enemy's shell hit my player. I have the logic in place that detects a player's bomb hit an enemy, I tried to edit it slightly and apply the same logic to the enemies shell.
Code:
// check for collisionspublic function checkHits(event:Event)
{
[code]......
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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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Oct 13, 2010
my title explains what im need but im using flash cs4 and heres what i have so far:
var centerX:Number;
var centerY:Number;
var centerZ:Number;
[Code].....
ok so RBall is my first moving object and my orbiting object will be called orbit
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Jun 1, 2009
I need to make a dragable button but I need this object to stay clear from other objects on the stage so to act like pushing away other objects on the stage.
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Oct 11, 2009
Assuming, for a rectangle that is controlled by the user using the arrow keys, that I do the following[code]...
Assuming that works in detecting the collision, what would I use to actually stop the rectangle from progressing through the wall?
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Jun 23, 2009
I am creating a game where I have two separate arrays of objects that I need hitTested with each other. I found an old tutorial in AS2 that I modified to come up with this code:
ActionScript Code:
for (var w:Number = 0;w < enemyLaserArray.length;w++) {
for (var R:Number = 0;R < barricade1Array.length-1;R++) {
if (enemyLaserArray[w].hitTestObject(barricade1Array[R])) {
[code]....
This code executes like I believe it should, but along with removing the two objects, and splicing them from their arrays, I get this error
Code:
TypeError: Error #1010: A term is undefined and has no properties.on the line hitTestObject line. I have had similar problems in other areas of my project, but this time no matter what I try using trace statements I cannot fathom quite what the problem is.
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Oct 13, 2005
Right now I'm working on an advanced hitTesting engine, and What I'm trying to do here is create an engine that will detect collision with one object instead of two. That basically means that if any other objects touch this movie clip, the hitTest will return True. Right now the .fla containing the engine has nothing but a circle that can be moved using arrow keys and 8 squares that disappear when touched by the circle. Obviously, I could do something like:
if (circle.hitTest(square1)) {
do so and so
} else if (circle.hitTest(square2)) {
do this and that
} etc...
But that would be too long, since the engine has to be able to contain 100 squares without too much change in the code.
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Feb 28, 2009
so I have a function on the Main Timeline that creates an instance of the class Ball once every 60 frames (1 second). In the class code for Ball I have this:
Code:
package {
import flash.display.MovieClip;
import flash.events.*;
[Code].....
As you can see, I am trying to make it so that if two instances of the class Ball collide, then it should output "STOP". But it isn't working.
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Apr 22, 2009
What is the most efficient way to text for a collision between an elliptical object, and an irregularly shaped object (closely related to a line) that rotates?
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Apr 3, 2012
The scenario: in Main, instances of class Bullet are spawned and added to the stage, and to the array bltarray, instances of class Enemy are spawned, added to the stage, and added to nmearray. This works fine.
The problem comes in seemingly sporadically, i.e. it works, then suddenly doesn't work soon after, when it doesn't work I get spammed with output errors and the score display is constantly rising, note it's the same instance of bullet and enemy. [code]...
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Apr 14, 2011
I'm using sensors in a Box2D project. On a collision with a sensor, I'd like to know the sensor's position in the world. I'm detecting the collision with a contact listener, but the sensor's position is always 0 0.
From my code: (edit, added the whole class)
public class MyContactListener extends b2ContactListener {
public var onSensorEvent:Function;
override public function BeginContact(contact:b2Contact):void {
if(contact.GetFixtureA().IsSensor()) {
var ud1:GameEntity = contact.GetFixtureA().GetBody().GetUserData();
[Code] .....
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Mar 3, 2010
I m working on learning how to bring XML info into Flash. Eventually Im trying to pull a bunch of data about Interstate 80 drug and cash stops for an interactive project to go with a big centerpiece story for the newspaper I work for. I ve been through a [url]..... tutorial three times now.I made a dataset, bound it to a datagrid and attached the datagrid to the xml file. When I run a trace,I can see in the output window that the XML is being pulled in. But I must be doing something wrong nothing is being displayed in the datagrid. It should bring in the first three items in the code:
var myXML:XML = [code]....
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