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  • How to scroll in the physical world AndEngine?

    - by Esteban Quintero
    I am using andengine to make a game where a sprite (player) is going up across the stage, this is my world. final Rectangle ground = new Rectangle(0, CAMERA_HEIGHT - 2, CAMERA_WIDTH, 2, vertexBufferObjectManager); final Rectangle roof = new Rectangle(0, 0, CAMERA_WIDTH, 2, vertexBufferObjectManager); final Rectangle left = new Rectangle(0, 0, 2, CAMERA_HEIGHT, vertexBufferObjectManager); final Rectangle right = new Rectangle(CAMERA_WIDTH - 2, 0, 2, CAMERA_HEIGHT, vertexBufferObjectManager); final FixtureDef wallFixtureDef = PhysicsFactory.createFixtureDef(0, 0.5f, 0.5f); PhysicsFactory.createBoxBody(this.mPhysicsWorld, ground, BodyType.StaticBody, wallFixtureDef); PhysicsFactory.createBoxBody(this.mPhysicsWorld, roof, BodyType.StaticBody, wallFixtureDef); PhysicsFactory.createBoxBody(this.mPhysicsWorld, left, BodyType.StaticBody, wallFixtureDef); PhysicsFactory.createBoxBody(this.mPhysicsWorld, right, BodyType.StaticBody, wallFixtureDef); /* Create two sprits and add it to the scene. */ this.mScene.setBackground(autoParallaxBackground); this.mScene.attachChild(ground); this.mScene.attachChild(roof); this.mScene.attachChild(left); this.mScene.attachChild(right); this.mScene.registerUpdateHandler(this.mPhysicsWorld); The problem is that if the sprite reaches up and hits the wall, as I scroll here?

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  • How to scroll hex tiles?

    - by Chris Evans
    I don't seem to be able to find an answer to this one. I have a map of hex tiles. I wish to implement scrolling. Code at present: drawTilemap = function() { actualX = Math.floor(viewportX / hexWidth); actualY = Math.floor(viewportY / hexHeight); offsetX = -(viewportX - (actualX * hexWidth)); offsetY = -(viewportY - (actualY * hexHeight)); for(i = 0; i < (10); i++) { for(j = 0; j < 10; j++) { if(i % 2 == 0) { x = (hexOffsetX * i) + offsetX; y = j * sourceHeight; } else { x = (hexOffsetX * i) + offsetX; y = hexOffsetY + (j * sourceHeight); } var tileselected = mapone[actualX + i][j]; drawTile(x, y, tileselected); } } } The code I've written so far only handles X movement. It doesn't yet work the way it should do. If you look at my example on jsfiddle.net below you will see that when moving to the right, when you get to the next hex tile along, there is a problem with the X position and calculations that have taken place. It seems it is a simple bit of maths that is missing. Unfortunately I've been unable to find an example that includes scrolling yet. http://jsfiddle.net/hd87E/1/ Make sure there is no horizontal scroll bar then trying moving right using the - right arrow on the keyboard. You will see the problem as you reach the end of the first tile. Apologies for the horrid code, I'm learning! Cheers

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  • How do I scroll in the physical world?

    - by Esteban Quintero
    I am using andengine to make a game where a sprite (player) is going up across the stage, this is my world. final Rectangle ground = new Rectangle(0, CAMERA_HEIGHT - 2, CAMERA_WIDTH, 2, vertexBufferObjectManager); final Rectangle roof = new Rectangle(0, 0, CAMERA_WIDTH, 2, vertexBufferObjectManager); final Rectangle left = new Rectangle(0, 0, 2, CAMERA_HEIGHT, vertexBufferObjectManager); final Rectangle right = new Rectangle(CAMERA_WIDTH - 2, 0, 2, CAMERA_HEIGHT, vertexBufferObjectManager); final FixtureDef wallFixtureDef = PhysicsFactory.createFixtureDef(0, 0.5f, 0.5f); PhysicsFactory.createBoxBody(this.mPhysicsWorld, ground, BodyType.StaticBody, wallFixtureDef); PhysicsFactory.createBoxBody(this.mPhysicsWorld, roof, BodyType.StaticBody, wallFixtureDef); PhysicsFactory.createBoxBody(this.mPhysicsWorld, left, BodyType.StaticBody, wallFixtureDef); PhysicsFactory.createBoxBody(this.mPhysicsWorld, right, BodyType.StaticBody, wallFixtureDef); /* Create two sprits and add it to the scene. */ this.mScene.setBackground(autoParallaxBackground); this.mScene.attachChild(ground); this.mScene.attachChild(roof); this.mScene.attachChild(left); this.mScene.attachChild(right); this.mScene.registerUpdateHandler(this.mPhysicsWorld); The problem is that if the sprite reaches up and hits the wall, as I scroll here?

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  • Android HorizontalScrollView scroll by page

    - by Ionic Walrus
    Hi all, I have implemented a slideshow in my Android app using . This works well except that I want to scroll to next image on a scroll gesture (now it just scrolls past few images before decelerating). I have couldn't find a appropriate way to do this, should I be using a FrameLayout instead ? How do I scroll to the next (or previous) image on scroll gesture ? Any help is appreciated, thanks.

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  • JCarousel scroll method does not always fire

    - by Scott Faisal
    var carousel = jQuery('#mycarousel').data('jcarousel'); var index = carousel.size() + 1; carousel.size(index); var html = '<li> some html </li>'; carousel.add(index, html); carousel.scroll(index, 1); The very last scroll method fires but not always. Is this a bug in JCarousel? The following is the code for the scroll method in JCarousel: /** * Scrolls the carousel to a certain position. * * @method scroll * @return undefined * @param i {Number} The index of the element to scoll to. * @param a {Boolean} Flag indicating whether to perform animation. */ scroll: function(i, a) { if (this.locked || this.animating) return; this.animate(this.pos(i), a); }

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  • Thoughts about alternatives to barplot-with-error-bars

    - by gd047
    I was thinking of an alternative to the barplot-with-error-bars plot. To get an idea by example, I roughly 'sketched' what I mean using the following code library(plotrix) plot(0:12,type="n",axes=FALSE) gradient.rect(1,0,3,8,col=smoothColors("red",38,"red"),border=NA,gradient="y") gradient.rect(4,0,6,6,col=smoothColors("blue",38,"blue"),border=NA,gradient="y") lines(c(2,2),c(5.5,10.5)) lines(c(2-.5,2+.5),c(10.5,10.5)) lines(c(2-.5,2+.5),c(5.5,5.5)) lines(c(5,5),c(4.5,7.5)) lines(c(5-.5,5+.5),c(7.5,7.5)) lines(c(5-.5,5+.5),c(4.5,4.5)) gradient.rect(7,8,9,10.5,col=smoothColors("red",100,"white"),border=NA,gradient="y") gradient.rect(7,5.5,9,8,col=smoothColors("white",100,"red"),border=NA,gradient="y") lines(c(7,9),c(8,8),lwd=3) gradient.rect(10,6,12,7.5,col=smoothColors("blue",100,"white"),border=NA,gradient="y") gradient.rect(10,4.5,12,6,col=smoothColors("white",100,"blue"),border=NA,gradient="y") lines(c(10,12),c(6,6),lwd=3) The idea was to use bars like the ones in the second pair, instead of those in the first. However, there is something that I would like to change in the colors. Instead of a linear gradient fill, I would like to adjust the color intensity in accordance with the values of the pdf of the mean estimator. Do you think it is possible? A slightly different idea (where gradient fill isn't an issue) was to use one (or 2 back-to-back) bell curve(s) filled with (solid) color, instead of a rectangle. See for example the shape that corresponds to the letter F here. In that case the bell-curve(s) should (ideally) be drawn using something like plot(x, dnorm(x, mean = my.mean, sd = std.error.of.the.mean)) I have no idea though, of a way to draw rotated (and filled with color) bell curves. Of course, all of the above may be freely judged as midnight springtime dreams :-)

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  • Help with WinAPI scroll bars

    - by user146780
    Right now I have a window with horizontal ad vertical scrollbars. I use these parameters to initialize it. //Set OGL Frame scroll bar SCROLLINFO inf; inf.cbSize = sizeof(SCROLLINFO); inf.fMask = SIF_PAGE | SIF_POS; inf.nPage = 20; inf.nPos = 30; It creates them in the center and I like their size, but when I scroll I multiply by 50 which creates chopiness. How could I add more resolution to the bars and still keep the same thumb size. Is there a way I can calculate the size and position of the bar based on the above parameters? Thanks

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  • Scroll Bar - Help

    - by 3gwebtrain
    Hi, any one can help in this?, i want to make a scroll bar to scroll the li underneath a div. in which i made a ui, scroller, but client want the front and back arrow to adjust the slides. like regular scroll bar like browser. please visit ; http://ikeafamilylive.com/stories/60 and you will witness what i request. And please don't recommend me a plug-in, because i need to use this scroll bar across the site with several customization process. please give me the sample code / suggestion to make a scroll bar using jquery+css. with full functionality.

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  • arrow keys stop working to scroll pages

    - by Delirium tremens
    Sometimes, the arrow keys stop working to scroll pages. Sometimes, in Firefox - Tools - Options - Advanced - Accessibility - General, the first checkbox, about using arrow keys to scroll pages, appears checked and some other times, unchecked. When it's unchecked, I check it. When it's checked, I keep it checked. In both times, I click OK. Then, the arrow keys restart working to scroll pages. I'm having to do it all the time. What should I do?

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  • Vim middle mouse click horizontal scroll

    - by vexe
    I'm running Windows 7 x64 with Gvim 7.4 Using my external mouse, I was wondering how to achieve 'horizontal scroll', I read all the documentation about it but still haven't figured out how to achieve it. 'horizontal scroll' to me means holding down the middle mouse button and moving the mouse horizontally. But that's just not working. Essentially what I want to achieve is something like this VS plugin. I know about zl/zh but I want to scroll horizontally from the mouse (by holding MMB and moving horizontally like I said, somehow, maybe?) So when does ScrollWheelLeft/ScrollWheelRight events get fired? Thanks.

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  • jquery click on anchor element forces scroll to top?

    - by Dan.StackOverflow
    http://stackoverflow.com/questions/720970/jquery-hyperlinks-href-value[link text][1] I am running in to a problem using jquery and a click event attached to an anchor element. [1]: http://stackoverflow.com/questions/720970/jquery-hyperlinks-href-value "This" SO question seems to be a duplicate, and the accepted answer doesn't seem to solve the problem. Sorry if this is bad SO etiquette. In my .ready() function I have: jQuery("#id_of_anchor").click(function(event) { //start function when any update link is clicked Function_that_does_ajax(); }); and my anchor looks like this: <a href="#" id="id_of_anchor"> link text </a> but when the link is clicked, the ajax function is performed as desired, but the browser scrolls to the top of the page. not good. I've tried adding: event.preventDefault(); before calling my function that does the ajax, but that doesn't help. What am I missing? Clarification I've used every combination of return false; event.preventDefault(); event.stopPropagation(); before and after my call to my js ajax function. It still scrolls to the top.

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  • jQuery UI sortable issue with helper Y offset value being same as scroll offset on FireFox only

    - by James
    I have a problem with a jQuery UI 1.7.2 sortable list in Firefox, IE7-8 work fine. When I'm scrolled down a bit, the helper element seems to have an offset of the same height that I'm scrolled down from the mouse pointer which makes it impossible to see which item you originally started dragging. How do I fix this or work around the issue? If there is no fix what is a really good alternative drag-able plugin? Here are my initialization parameters for the sortable. $("#sortable").sortable( {placeholder: 'ui-state-highlight' } ); $("#sortable").disableSelection();

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  • which jquery plugin can do the dynamic smooth vertical menu scroll?

    - by helltohigh
    ok i'm new to jquery, but how can i do a feed like the one at twitter.com where they have the "top tweets" update with the latest tweet by scrolling the whole menu down just enough space to allow the new item to fade into the top spot? easy to do? do i need a plugin? i looked around and what i don't want is just a carousal type plugin that just loops in a cirle. i want to add a new news feed item dynamically like in the twitter top tweets. thanks

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  • Iframe always showing scroll bars in IE7

    - by Martin Bacon
    Hi everyone, Having an annoying issue in IE7. I have a website where, at the bottom of every page theres an Iframe, and for the life of me I cannot get the scroll bars to hide. This is only in IE7, every other browser I have tested is fine. I have scrolling="no" and set overflow:hidden; still not working though. If anyones got anything they could suggest I'd be very greatful http://www.keyscape.co.uk is the site Cheers Martin

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  • Do you ever create fake progress bars?

    - by wrongusername
    Do you (and would you) ever create progress bars that are just there to keep the client happy and moves without reflecting the true progress of the program? I remember reading about this somewhere, and am wondering if there are other developers that do it too...

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  • Open new popup window without address bars in firefox & IE

    - by Anbu
    Hi everyone, hope someone can help. just cannot get a new window to open in Firefox without address bars. IE works fine with below code Blockquote window.open('/pageaddress.html','winname',directories=0,titlebar=0,toolbar=0,location=0,status=0,menubar=0,scrollbars=no,resizable=no,width=400,height=350); i need to make for all browser

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  • Trying to keep filled bars in a faceted plot

    - by John Horton
    Not sure what I'm doing wrong here. I have this plot: ggplot(data.PE5, aes(ybands,fill=factor(decide))) + geom_bar(position="dodge") which produces: Then I want to facet by a factor, creating two stacked plots w/ dodged, colored bars ggplot(data.PE5, aes(ybands,fill=factor(decide))) + geom_bar(position="dodge") + facet_grid(~group_label) However, I lose the factor-based coloring, which I want to keep:

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  • CSS Graph- Bars not showing correctly

    - by Olivia
    I'm trying to create a CSS/HTML based graph using this tutorial here. However instead of putting the data directly into the html code I'm importing it from a CSV file using PHP with the following code. <?PHP /* Open CSV file */ $handle = fopen("defects.csv", "r"); $c = 0; /* gets data from csv file */ while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) { /* stores dates as variable $date */ $date[$c] = $data[0]; $c++; /* inserts defect data into html code */ echo "<dd class=\"p" . $data[2] . "\"><span><b>" . $data[2] . "</b></span></dd>"; echo "<dd class=\"sub p" . $data[3] . "\" ><span><b>" . $data[3] . "</b></span></dd>"; } echo "</dl>"; echo "<ul class=\"xAxis\">"; /* X AXIS */ /* inserts date data into html code for x axis */ for ($d=0; $d < $c; $d++) { echo "<li>" . $date[$d] . "</li>"; } ?> The values are being placed correctly on the chart, but the bars aren't appearing. The CSS code I have for the bars is: /* default column styling */ dl#csschart span{ height:50%; background:url(../images/barx.png) repeat-y; } dl#csschart .sub{ margin-left:-33px; } dl#csschart .sub span{ background:url(../images/subBarx.png) repeat-y; } Just in case it helps, I've print screened how the graph should look. You can see it at: http://allured.info/graph/failgraph.png

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  • How to use menu bars with different patterns?

    - by vahini
    I'm using Visual studio 2005, ASP.NET and C#. I want to use menu bars which have an active look to them when their respective target page is the one currently showing. Imagine a user clicks a menu item, navigation to the target page occurs and the menu item they selected is now differing, in say, color to that of the other items in the menu as a means to indicate this is the currently active location. How might one achieve this?

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  • Grid view w/ progress bars?

    - by Mark
    Trying to decide on the best element to use for a grid view, pretty much exactly like the one you'd see in uTorrent or any other upload/download client. Specifically, I want to have a 'progress' column too (with progress bars). Using VS2010/.NET4. What would you recommend?

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  • Tunning scrolling in urxvt

    - by Ivan Petrushev
    Hello, I'm using rxvt-unicode version 9.06 at Ubuntu 9.10. I was used to aterm, where you can use SHIFT + up/down arrow to scroll the printed output with a line up or down. You can also use SHIFT + pgup/pgdown to scroll one screen up or down. In urxvt I can use the pgup/pgdown combination as well, but can't use the up/down arrow combination. It is very useful to be able to scroll by single lines. Do you have any idea how to enable the up/down arrow scrolling? This is my ~/.inputrc: set show-all-if-ambiguous on And this is my ~/.Xdefaults: URxvt*geometry:80x35 URxvt*transparent:true URxvt*shading:40 URxvt*saveLines:12000 URxvt*foreground:White URxvt*background:Blue URxvt*font: -*-terminus-*-*-*-*-14-*-*-*-*-*-*-* URxvt*color4:RoyalBlue URxvt*color12:RoyalBlue URxvt*scrollBar:true URxvt*scrollBar_right:false URxvt*scrollstyle:rxvt

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