ActionScript 2.0 :: Collision / HitTest Never Returns True
Mar 10, 2006
For some reason my hitTest in the following function is not working. With each onEnterFrame of the mc being "fired", I am checking to see if it is touching one of the "clouds" I have floating by. My traces tell me that I am targeting everything correctly, but for some reason, hitTest never returns true. Even when I see the mcs colliding. The "clouds" are dynamically attached and pushed into an array (cloudsArr) The clouds and the "fire" mcs are on differnent timelines, but should that matter if I am targeting them correctly?
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Nov 4, 2011
I have a load file and a write to file method. We all know what they do. How ever load always returns true and write always returns false....Right there you know somethings wrong. Because The forums have an issue with me posting code...I posted it here: [URL] Based on this code what is the issue here? why is write always returning false and why is load always returning true? (even for files that do not exist). My understanding is that if flash cannot find the file it should write to it will create it and if it cant load said file, then that method should return false.
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May 12, 2011
Title explains teh problem - anyone ever encountered this issue or have a solution. have tried everything - tearing my brains out
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May 12, 2011
I try, in standalone test environment it always returns true - it should return false -
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Nov 29, 2009
I have six objects which are on the stage when my game loads up. I have stored them in an array in my Document class. Occassionaly I run through this array and check if something has hit these objects and remove them if so. i don't actually remove them from the array though. I'm finding though that even after these objects have been removed from the stage, the hittestpoint still returns true when something crosses the area where these objects once where?! Doesn't the object have to be there for hitTestPoint to return true?
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Sep 5, 2009
Perhaps I should leave well enough alone, but it bugs me that my hitTest gives me an error message even though it seems to work as intended. I have two movieClips running side by side. The second clip, the hitTest object is actually in an array that I keep pushing every second.
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I have tried to trace cars[i].name and it returns "instance XXX" instead of what I would have expected, which would have been something like cars1, cars2, etc... If that is creating the error, I don't know how to fix it. I have thought also that perhaps the array itself is being referenced, but again I wouldn't know how to change it.
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Dec 31, 2010
I have 2 movieclips with instance names: bonus and platform. (and a movieclip inside platform with instance name: hit) I need a sound to play when hitTest is true.
Here is non-working code:
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I dont see why this doesnt work. The sound is in the library with linkage name: snd50Points The trace("hit"); doesnt give an output when they do collide. I have a seperate hitTest that does give an output however, could this mean I cant have a hitTest of the same thing at once? I cant delete the onEnterFrame loops of the other hitTest because it has code that needs repeating. So yeah, I need a sound to play once when they collide and play the sound once again when they collide and so on.
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Oct 20, 2010
i have a hit test point on display object, and if i exit stage over that display object, and then run hit test point it will return true, although my mouse is not over stage area any more, like it remembers the last mousex, mousey coordinates where mouse was and reports that.how do i deal with it?i know i can detect mouse_leave on stage and mouse_out on displayobject.
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Dec 4, 2009
I've found the BitmapData.hitTest() function very handy, but limited for my purposes. I need to figure out at exactly which point the two images collide (in any coords system,really), since their behaviour will change depending on the angle of the surface hit
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Apr 18, 2012
I'm trying to create an animated 'LED style' display. I want to draw/tween/type shapes or text and have the 'LED dots' detect the animation and turn on the relevant dots.'ve been testing the hittests but it slows down pretty quickly and the problem with the hitTestObject is that it obviously just detects the bounding box, NOT the vectors.
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Apr 3, 2004
I'm try to make the Collision Detected with hitTest for long time but it doesn't work. I have two objecct one is the Spaceship and rock. When those two hit each other. I want it to show text "Collision DetectedFrame1 script
var rockCount = 0;
var rockTimeGap = 1;
var nextRockTime = 0;
[code].....
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Aug 26, 2010
I have two png files, a circle and a maze. Basically the maze is a square with some paths carved through it. I want to draw these images, move the circle to the mouse coordinates, and have a text say 'hit' when the circle intersects a wall of the maze and 'miss' when it doesn't. Now I want to do these using the bitmapdata.hittest method. The circle is a 32x32 image and the maze is a 256*256 image. I've gotten everything set up and everything draws on the screen correctly but I can't get the actual collision detection part of it to work, that is it always displays 'miss' rather than 'hit' even when the circle clearly intersects the maze.[code]
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Apr 3, 2004
I'm try to make the Collision Detected with hitTest for long time but it doesn't work. I have two objecct one is the Spaceship and rock. When those two hit each other. I want it to show text "Collision Detected" This is my script
Frame1 script
var rockCount = 0;
var rockTimeGap = 1;
var nextRockTime = 0;
var startTime = getTimer();
[code]...
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Apr 4, 2003
I can't seem to get hitTest to work for the plane in my little game. The code I'm using in the plane MC is:
[AS]if (_root.player.hitTest("_root.badguy"))
playerhealth -= 20;
}
[code]....
I want to the badguy plane to hit the player's plane and take a subtraction from the player's heath. I've fiddled around with using "this" instead of the full path of the playerMC - no success. My hitTest is working fine for the bullets!
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Dec 12, 2002
Does anyone know how to use hitTest with two movieclips so that it would detectthe collision of the visible part of the MC, not the **** bounding box???
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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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Jan 4, 2011
I'm actually working on a multiple collision detection in actionscript 3.0, using pixel collision for a game for my assignment, where an enemy patrols around and searching for the hero. So, i draw a line between the enemy and the hero, to check whether there's some collision happened between those two. if the line colllides with an obstacle such as wall, door, etc. enemy will not be able to see the hero. When i tried a single line collision with a wall (one object only) it works perfectly.
But here's the problem. For the multiple objects collision (several walls and doors included), i added those objects in an arraylist, When i used for loop to check the collision between the line and those objects in the arraylist, none seems to react , except the first object in the arraylist or index 0.
Is there any simpler way to do the multiple collision detection?
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Jun 14, 2010
Important: ActionScript 2.0Flash CS3I have some knowledge in Java and C++ which makes this easier... Im trying to make a game and the collision *** does not stop the character in its spot... if i set _y to 0 then it would go to the top of the screen... if i set _y to -1 each frame that the hitTest is active then the character goes through the platform and the rises by -1 (1 up) _y .... how can i make it so the character is stopped immediatly when touching (hitTest) the platform?
[CODE].....
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Sep 1, 2011
how to use the bitmapData collision method. Now I'm trying to figure out if there is a way to see at what angle or coordinate of the bitmapData the collision happens? I need it in order to figure the accurate bounce angle after the collision occurs.
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Sep 4, 2009
about.buttonMode = true;
about.useHandCursor = true;
I have this on a MC I use for a button - and it works but only on HALF of the object - how can I make so it works on the whole object itself?
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Jun 11, 2004
I know how to do this in other codes, but..if (condition1=true) AND (condition2=true) then... How do you do this in AS?
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Jul 15, 2004
I'm having with a menu navigation system. I'm using Flash MX. I have created a menu system for the site I'm building ([URL]) where one of the buttons "Choose photographer" drops down a list of names. All the other buttons just jump to another page. The drop down is currently using tweens also the logo moves to the left as the dropdown appears and returns when the dropdown returns. All working fine apart from its a bit jerky.
It's I just wanted to get away from tweening and use action scripts instead, as I'm a newbie to all things Flash I trawled the net for tutorials and examples so that I could cobble together the exact same effect. I have managed to get the drop down work and return using the action script and it does seem smoother and works slightly better. But can I get the logo to move to the left and back in time with the drop down...no.
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Oct 16, 2009
In my file (AS2), I have a small square at the middle of the page. Diagonally to the right, I have a vertical wall which is a rectangle. Pasted inside my small square, I have the code:
onClipEvent(enterFrame) {
if (Key.isDown(Key.RIGHT)) {
if (this.hitTest(Wall._x, Wall._y, false)) _x =
[code]......
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Nov 18, 2003
I am pulling the words "true" and "false" from a query, but in flash I need them to be the values of true and false, not strings, is there a way to convert this datatype?
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Jan 15, 2009
i just would like to know how to create an "hitTest" script inside a movieclip that is actually part of that hitTest code?I mean... I have mc A, and mc B. and the current hitTest code im using (that is on the timeline) makes mc A, destroy mc B when collide with it... but there are many mc B on the stage (with the same instance name) so, when mc A collide with one mc B, it destroys ALL mc's B... but i want it to destroy only the mc B that he collides, not all the others... maybe an hitTest script inside a movieclip B would work (somethig like "if MC A hitTest ME = i die" (not all the others)).
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Aug 28, 2010
Selectedcolor, true to the text true or false is false text into print.colorPicker component in, I select Export to a selected color, the color value myMC texte into summer, but accuracy can not control.
var myColorPicker:ColorPicker = new ColorPicker();myColorPicker.editable = false;myColorPicker.visible = false;myMC.visible= false;myColorPicker.addEventListener(MouseEvent.CLICK, clickHandler);myColorPicker.addEventListener(ColorPickerEvent.CHANGE, changeHandler);[code].........
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Feb 8, 2010
i am controlling a tractor mc with right and left keyboard keys and let the user move the tractor till it reach a certain point where it touch a mc i want to go to a certain frame and stop the keyboard event listener and also the hit test listenerso finally the tractor is moved by user till it touches the mc then we will jump to a certain framethis certain frame will not have both of the tractor and the mcPHP Code:
import fl.transitions.Tween;
import fl.transitions.easing.*;
import flash.display.MovieClip;
[code].....
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Apr 6, 2005
I'm trying to use .getDepth() but it returns nothing. :S
Code:
if (this.getDepth() < _root.blocks.getDepth()) {
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Feb 5, 2007
I have a flash file, and in it is a movieclipbutton. When you roll over the button, the button has to grow in size and change color. This animation is 10 frames long. When you roll out, the button goes back to it's original size and color, this animation is also 10 frames. But when you roll out of the button before the 10 frames of roll over animation are finished, the movie jumps to the rollout animation, which starts with the button in grown size; so you see a little jump in size. To fix this, I did the following for the onRollOut:
Code:
this.btn_1.onRollOut = function() {
this.gotoAndPlay(45 - this._currentframe);
}
This however, doesn't work. When I put a trace(this._currentframe) inside, it returns 1. But this isn't right, it should return something between 10 and 20! I have the .fla file on the internet:[URL]
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Feb 19, 2009
My XML looks like this...
<feature title="This is my /n features title"/>
I don't have access to change the schema.
In Flash I load the text content of the title attribute into a text field, problem is -- the prints instead of operating as a carriage return (new line).
Again, no access to the XML so changing the TextField to htmlText and adding a <br/> tag wont work.
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