ActionScript 3.0 :: Using HitTest With BitmapData And The Mouse: Hover Gfx?
Jul 31, 2011
Having used copyPixels to display an image, I'm trying to copy another in it's place when the mouse is hovering.The only way I can copy the new image over the old is by setting the If statement to == false. I know there's something wrong with testing the bitmapData of the loaded .png because the hitTest would apply to anything copied from that tile sheet... but how to designate just the copied area?
ActionScript Code:
package
{
[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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Jul 11, 2009
Im making a simple game with destructable terrain. Therefore i use a bitmap for the ground and a movieClip for the player. When the ground is a bitmap i cant use regular hitTestPoint because of the bitmaps transparent pixels. So i looking i the livedocs for the bitmapData.hitTest but i rly dont understand all the parameters.So my question is. How can i reproduce this with bitmapData.hitTest?
ActionScript Code:
if(ground.hitTestPoint(player.x, player.y, true)) {
//actions
[code]....
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Sep 23, 2009
import flash.display.BitmapData;
import flash.geom.Point;
//
var BitmapA:BitmapData = new BitmapData(550, 400, true, 0x00);
[code]....
This is using the bitmapdata.hittest way to check whether the one bitmap is overlapping the other. Throug pixel-to-pixel detection.But I'm having trouble understanding this line:
Code:
if (BitmapA.hitTest(destPoint, 255, BitmapB, currPoint, 255))
I know that destPoint is the topleft point from which it is determining all opaque pixels. No value is given to destPoint so basically it is checking from 0,0. Having determined all opaque pixels from that bitmap it should compare them with the opaque pixels of the other bitmap. But why does currPoint use the topleft coordinate of its movieclip? Couldn't it just as well use 0,0 too? I mean when determining the opaque pixels of bitmap two it might as well start checking for those from 0,0 as the topleft position as well?
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Aug 23, 2011
I have converted a PNG into a bitmap, then converted that into bitmapData.
I have a object called _player, and I wish to add collision detection, however I can seem to get it to work.
my code is:
if(bmd1.hitTest(new Point(_player.x, _player.y))){
trace("hit");
}
bmd1 is my bitmapData,_player is the object is wish to test against.
I am getting the following error:
1136: Incorrect number of arguments, Expected 3
I have looked around but cannott find what argument I am missing
I have tried
if(bmd1.hitTest(new Point(_player.x, _player.y), 50, _player)){
trace("hit");
}
I should mention that the reason for me taking this approach is that I have a PNG, with transparent areas, I need to test for collisions in the non-transparent areas, which is why I was using this approach
I have a PNG, i import that and convert to bitmap, then convert to bitmapData
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Nov 30, 2010
I am looking for a way to simulate a mouse hover/mouse click. What's happening is a bar is autoscrolling and checking to see if there is an active button 'below' it. Sort of like a bar rolling along a music staff and checking for notes.
What can I use to accomplish this?
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Oct 11, 2010
sometimes I get this extremely nasty bug:
Code:
ArgumentError: Error #2005: Parameter 0 is of the incorrect type. Should be type BitmapData.
[code]....
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Feb 22, 2012
sometimes I get this extremely nasty bug:
Code:
ArgumentError: Error #2005: Parameter 0 is of the incorrect type. Should be type BitmapData.
at flash.display::BitmapData/hitTest()
This is the line where I get this error:
Code: if (player.bitmapData.hitTest(player.point, 255, tempUpgrade.bitmapData, tempUpgrade.point, 255))
I have absolutely no idea what went wrong. My object (tempUpgrade) is generated inside of a manager-class. There I can define the look of it and it gets cached. The image I use is a spritesheet (png) that's embed inside of my library-class. The spritesheet is splitted into appropriate pics via a CacheTileSheet-class.After that process they get thrown inside of an array because I need the bitmapData for pixel-perfect collision detection. Of course this is not the complete code so if someone needs more please let me know.
[Code]...
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Aug 27, 2010
I have two png files. I import them using loaders. The images in the png files each have opaque (solid) and transparent parts. I want to use the bitmapdata.hittest method to detect when their opaque parts have collided.
[Code]...
I've been working on this for a couple of days now and nobody seems to know how to do this. Please don't post the examples on google, I've looked through at least the first five pages of results on google and haven't gotten any of them to work. The problem is that none of them provide an example of using this method with loaders, so I'm guessing the reason I can't get it to work is some gimmick associated with them.
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Jan 3, 2010
I have map of the world (in photoshop) where each continent is in separate layer and separate coloured. How can I make link in flash of each continent. I want mouse hover over the exact colour (continent). My problem is that mouse hover always over the whole selection box of object (whole rectangle).
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Jul 20, 2009
I have a big image (1600x1200) Which obviously doesn't fit in the window. How can i have it so when i hover the mouse the image moves. Basically a Yugop scrolling effect but in all directions
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May 31, 2009
I need to make a resizeable menu like the menu.gif picture I uploaded. For example the menu to have 5 or 6 elements doesnt matter the problem is to make them adjustable on size (will be different movie clips each one) on mouse hover over each one of them but also snap like this.
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May 16, 2011
I'm developing a project in Actionscript 2.0. I have an image that pans. I followed this tutorial: [URL] Now I want the image to pan just when the mouse is hover some movieclip instead of the whole stage. When the mouse is hover of the left limit of the movieclip, the image pans to that limit. Like this one (except I don't want vertical panning): [URL]
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May 31, 2011
I want a LinkButton's style to stay unchanged when the mouse hovers over it. (But I still want the tooltip to work.) How do I do this?
(The mouseOver event seems relevant, and I do a noop() on that event, but my goal is to leave the style unchanged rather than do something specific.)
By the way, I am using a non-default style, defining it with CSS in the MXML.
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Sep 4, 2009
I am working on creating a catalog but need to know how to have it where if the user hovers over a product a larger picture will be displayed.
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Jul 12, 2004
I've made a custom mouse cursor but the cliente wants that little hand when the mouse is over a button and/or links. Is that possible?
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May 17, 2007
I've been pulling my hair out trying to figure this out. I've looked all over here and other websites and can't find the answer. Here's the situation: I have a movieClip that has an animation inside of it. When the movieClip is hovered over, it changes to the hand (indicating it's clickable). What I need to be able to do is change the hand back to the default cursor. Every single article I've read is about how to change your cursor to something else (using mouse.hide() and replacing it with an image), which is not what I want.
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May 16, 2011
I have a flash file that uses Mouse.hide() and sartDrag() to show a custom cursor. The problem is that when the cursor is above a button or movie clip (via level or layer), it doesn't work... sometimes it flickers a bit, but that's it.
This is the weird part:
When I move the custom curser beneath the button or mc, (via level or layer), it works perfectly.
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Oct 12, 2010
I'm using CS5 actionscript 2. I would like to create hovering text when one mouses over an item in the navigation window (please see pic). You know, something that would act like a brief abstract to give the user more info re: whether or not they need to click on that link.At present, the nav_mc is linked to an xml doc FYI (the nav_mc accordians in and out, but doesn't have to). I input what I want the menu and submenu to say in the xml nodes and it shows up. It would be cool if the hover text added could also be xml driven tooI am green to this so the more detail the better. Do I need to create a new xml doc? new .swf? How do I link this? Should I use Flash Builder or Catalyst?
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Mar 30, 2007
[Code]...
i use the above code for the glow effect, i want the effect to load automatically rather than when i hover my mouse over it. how to edit the code to do it?
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Feb 3, 2009
I'm cutting my teeth in actionscript 3 on a game that has a character running through a world. So, I have set up my Hit Testing by using the bitmap data hit test method, since I figured my world is going to be destructible - it'd be nice to update the level and then redraw it and have the character interact with the new change. (That works beautifully) I am however; a bit confused as to how I have my hit Testing set up. I've been messing around with it, and it works for now - but I'm not sure why.. currently, I have a character set up by using a class I built and using a series of animations I created. So, this character has a walking and falling animation, etc. This is a movie clip.
Then there's a bitmap 'emptyBitmap' with bitmap data created - however; I never really added this as a child to the character. This is sized to the dimensions of my character. My level is created as a movielip, then it's drawn to a bitmap - when the level movieclip is changed, the bitmap redraws, and that's how this updates.
[Code]....
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Mar 25, 2011
I am going to be working on a site that has various mechanical products for sale. The customer wants me to make a model and movie of each product to show how the product works. Here is an example product:
Flash Clip The problem I am having is, he wants the movie to only play when a user puts their mouse over the video. I attempted doing this with a mp4 file and it worked using jQuery, but only when in Chrome. Here is that link:
MP4 Clip I want these demos to be viewable by the largest possible audience, so I was trying to stay away from Flash (also because I don't know Flash very well if at all). Does anyone know of a way to get this video to work in other browsers like in the second example? If not, how can I achieve that same idea using Flash?
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Mar 25, 2010
I have a sprite on which I have added two textfields side by side, horizontally. I have set the buttonmode of sprite = true. But the mouse cursor changes from regular to clickable only when I hover it on the textfields. In the empty area between the two textfields, the cursor still appears regular/normal.
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Nov 24, 2003
I am creating a menu with nested MCs, of course, and the parent MC is using a RollOver action. The problem with that is: all other nested MC's RollOver action are not detected. I know you can use a mouse hitTest as a work-around i.e.:
Code:
onEnterFrame = function(){
if(this.hitTest(_xmouse,_ymouse,true)){
//do whatever
}}
But I'd like to avoid using that if possible.
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Nov 24, 2003
im creating a menu with nested MCs, of course, and the parent MC is using a RollOver action. The problem with that is: all other nested MC's RollOver action are not detected. I know you can use a mouse hitTest as a work-around ie:
Code:
onEnterFrame = function(){
if(this.hitTest(_xmouse,_ymouse,true)){
//do whatever
}
}
but i'd like to avoid using that if possible.
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Mar 27, 2011
I've googled for hours and found nothing. I did find a lot but none involved hittesting with a mouse cursor. I'm trying to make a simple maze game, so far it works, I die when I hit squares and rectangles, but I die incorrectly when hitting a rotating rectangle.Because it rotates, the bounding box is larger and a normal hittest sees bounding boxes, meaning it won't work.Make it so that my mouse can go near the rotating rectangle without dying until I actually touch the actual rectangle instead of the bounding box.
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Dec 17, 2009
My first post in Actionscript.org. but I'm a long time visitor / fan. I'm moving a object with mouse but using some easing values. means it will follow the mouse slower.
Here is the file.[URL].. How can i check hitTest in this situation. even if i do it normally...the object is passing the collision object simply before stopping..because its being moved with mouse..
[Code]...
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Jul 16, 2007
I am attempting to build a xml driven drop down menu where everything is taken from xml. now the problem arises with submenues. I have them being created fine, but it's the mouse out that won't work. I want to use a hittest to check if my mouse is over any of the submenues and if not just to trace something so I know it's working.
The problem is when i mouse of one clip onto the next it fails the hittest and traces. There isn't a space between the two MC's so I dunno what would be causing this. I have read sen's guide but I'm not pulling things from the library. Everything is being created at run time so I can't use the attach movie, so I am just positioning them below each other.
[code]...
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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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Jan 21, 2004
Ive got a code to move a MC on the main stage together with the mouse, in the the X axis,. difficult to explain. But now the client wants that this MC movement works only when the Y position of the mouse is over the 300 px. I thought I need a hit test or something elese. Please help. Here is the whole code.
[Code]....
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