as possible because I'm having a competition of some sort of..... In Flash Action Script Language Form the code of Vector Intersection will be in this way:
Code:
v3={vx:v2.p0.x-v1.p0.x, vy:v2.p0.y-v1.p0.y};
var t=perP(v3, v2)/perP(v1, v2);
[code]....
Does Flex CSS selectors support pseudo-classes? I want to use different backgroundColor for a canvas based on mouse over and out. I am currently listening to MOUSE_OVER and MOUSE_OUT events and changing the styleName property in the handler functions.
Is there a way I can specify canvasStyle:hover or something?
I have a IP Camera setup which, when an event is triggered, uploads a bunch of jpegs to my webserver in a timestamped directory. I want to create a flash app which takes images from an individual directory, strings them together and creates a watchable clip as opposed to flicking through each image individually.
View 1 RepliesI'm trying to improve upon the hitTest() function.I have a game in development that involves square robots, rectangular wall shapes, and line segment shots rotating and moving around. Without the rotation, hitTest works fine, but with rotation, problems arise.Walls at rotation 0,and square robots work fine. There is a small amount of funkyness with a rotated robot by a wall corner, but it's not very noticable.The big issue is collision of two rotated square robots.
I can create a function to get the line segments that make up each robot, and the check to see if any intersect. This will mean finding the location of eight points (using height and width and some trig to deal with rotation), finding the slope of eight lines, and then testing lines for intersection up to 16 times. This would be needed to find the intersection of each pair of robots. Those are worst case numbers, some colisions can be detected or ruled out before getting that far in the algorithm, but this check would need to be run every frame against all robots and walls and shots (shots could be a single line segment, though)Right now I'm talking about 8 robots max, maybe 6-20 walls, maybe 5-80 shots on screen @ 30 frames a second.
This is easy enough to create, but before I spend a day coding it all, I'm wondering if the computation requirements are going to make it prohibitive.(If so, I'll probably have to switch to circular robots).I feel like there should be a simple formula to find if two rectangles on a cartesian plane intersect, but I can't find one.
I need to calculate the intersection between two shapes in flash / action script. The problem is I can't access the shape's nodes and segments, and their coordinates, so there's no way I can calculate this. Do you know a way?
edit: further explanation: I imported irregular polygons from an EPS file to a movieclip with shapes in it.The mathematical solution to the problem is trivial, but to do that, I need to access by AS code to the coordinates of the nodes that make up the polygons, which I tried with no success. That is what I'm trying to accomplish.
edit2: dismiss this question. It's not possible. The workaround I'm applying is to save the polygons in SVG and parse them to get a list of nodes. then will feed that list to flash to calculate the intersection and areas on runtime.
I am currently working my way through a book on Game Programming in Actionscript 3, and have gotten to a formula required for collision detection on finding the intersection point of two vectors. Im not sure if the author uses vectors in the strictest definition, but the convention he uses is e.g for a vector V1 :
V1.a is the start point of the vector V1.b is the end point of the vector V1.ln is the vector perpendicular to V1 (its 'left normal') V1.vx is the difference between the x coordinate of V1.b and V1.a V1.vy similar to vx V1.dx is the same as vx , but for V1 scaled down to a unit vector (the direction vector) Now,in the example we have V1 which is the motion vector of the ship, and V2, which is the target vector (i.e the line the ship is going to collide with at some point)
In order to calculate at what point on V2 the ship will collide travelling along motion vector V1, the book gives the following code using the "perpendicular dot product" (Which i have not come across before) and creating a third vector V3 between the start point of V1 and the start point of V2 (V1.a and V2.a):
[Code]...
There is some information but I couldn't figure it out:How can I detect if a line intersects with a triangle ? And how can I detect the point of intersection in AS3 ?
View 1 RepliesI am plotting an AreaSeries and a LineSeries on a AreaChart using Flex 3 in built chart components. I want to code a custom item renderer for LineSeries to be shown at the intersection points where LineSeries crosses AreaSeries.
View 1 RepliesI have an equation for a parabolic curve intersecting a specified point, in my case where the user clicked on a graph.
// this would typically be mouse coords on the graph
var _target:Point = new Point(100, 50);
public static function plot(x:Number, target:Point):Number{
return (x * x) / target.x * (target.y / target.x);
[code]......
I'm getting
ActionScript Code:
1067: Implicit coercion of a value of type
__AS3__.vec:Vector.ie.aro.floorplanviewer.model.buildingVOs:ConfigurationVO>[code]....
which surprises me as ConfigurationVO inherits from NodeVO.Is the compiler really not able to figure out that a Vector of a superclass should be able to hold a reference to a Vector of a subclass?
I need to import a bunch of vector work from Photoshop into Flash. Is there a trick to it. So far, on import, it's converting the layer styles into black.
View 5 RepliesIf I want to pass in a vector to a function, a vector of any object specifed would it be someVetor:Vetor.<T>? beause FB 4.5 sais T is undefined.
View 10 RepliesCreated Vector with the initial length of 100.
var v:Vector. = new Vector.(100);
v[90] = "Ninety"
v[190] ="oneninety" //RangeError: Error #1125: The index 110 is out of range 100.
//How to change the length from 100 to 200 to store a value at index 190
I am currently being confused by the Vector class.I wrote a beautiful XML to TypedClass parser. Works beautifully and without fault. UNTIL a co-worker noticed we got a Conversion Error for Vector.<Number> to Vector.<*>.
Every Vector I've ever tested all extend Vector.<*>.
Vector.<Sprite>, Vector.<String>, Vector.<Point>, Vector.<Boolean>, Vector.<TextField>, Vector.<CustomObject>, etc etc etc. ALL of them.
<type name="__AS3__.vec::Vector.<String>" base="__AS3__.vec::Vector.<*>" isDynamic="true" isFinal="false" isStatic="false">
<extendsClass type="__AS3__.vec::Vector.<*>"/>
[code]...
But then when I use describeType on Vector.<Number>, Vector.<uint> and Vector.<int>.
<type name="__AS3__.vec::Vector.<Number>" base="Object" isDynamic="true" isFinal="true" isStatic="false">
<extendsClass type="Object"/>
<constructor>
[code]....
Now I have accounted for these 3 vectors individually as even uint and int does not extend Vector.<Number> as I would have expected.
And my parsing function works for all types correctly again. But my confusion comes as to WHY this is the case, and why I couldn't find any documentation on the subject.
I am trying to do a simple "pseudo 3D" rotation of a movie clip. The clip would "flip" on to the screen. I have created the effect using PaperVision3D, however, the final SWF is about 64k and my project requires a smaller file size. I tried to create the flip effect manually by creating skewed versions of the clip and tweening between them, except this doesn't work because the shape is not tweaked along the vanishing point as it should be. It looks like perhaps I could accomplish what I want to do using the MatrixTransformer but I've not had much luck so far.
View 3 RepliesFinding the intersection point of 2 line segments is easy enough.
But now I need to test wether a line with thickness intersects another (non-thick) line.
My idea is to actually perform 2 tests, one at the top and bottom of the thickness of the line. Does that make sense? Is there a better way to do it? I dont need the intersection point, just a boolean yes or no.
Class ShootGame implements IGame{
[Code]...
I have a large vector drawing (imagine 5000x5000) that i want to break up into separate pieces. I know that I can convert this vector drawing into a bitmap and then use the copyPixels method to create many separate bitmaps of the different regions of the original vector drawing, but is there any way to subdivide it into movieclips that just contain vector graphics instead of a bitmap?The reason im dividing a big chunk of vector graphics into smaller pieces is for performance reasons, so flash would only render a small part of this big chunk at a time (only certain regions/voxels/subdivisions are rendered at a time). But bitmaps apparently take up a lot of memory and the system im using would take much less memory if these subdivisions could be preserved in their original vector graphics form.
I imagine I could use masks somehow to achieve this effect (for each subdivision, duplicate the huge image and mask only the region that the subdivision represents), but I dont know the performance costs of masking or if this will create other problems.So is there anyway to split up a movieclip of vector graphics into smaller movieclips of vector graphics the same way copyPixels can with bitmaps?
I already Import PSD layers into the Flash CS3 project. But it Imported as a PNG image and not a vector shape.I am using it in a web page and Its size is not suitable for fast loading.
How can I import PSD layers to the flash projects as vector shapse?
I have a simple landing page that im making for a website.The title to the site. Just plain simple static text but its just always edgy and aliased? I even tried making it orginally in a very large font size breaking it up and then reducing it in size. Still no luck.But when i zoom in using the right click menu its starts sharpening up and in real close-up seems razor sharp. But when the page is displayed at 100% size the text which is now much smaller is aliased.
View 21 RepliesThe great thing about vectors is the data typing / autoComplete.. The thing about them that I hate is the numeric index and the resource intensive retrieval methods you need to pull an element.
so with objects:
myObject["myObjectKey"]
is great, fast, etc. BUT there's no data typing myVector[0].myProperty is fantastic for auto complete, but there's no quick index, instead a bunch of for loop logic that can get really messy in more complicated data models where there are a lot of relationships. Does anybody know of an elegant hybrid solution aside from things like
var myProperty:MyFavoriteDataModel = myObject["myProperty"] as MyFavoriteDataModel;
I have seen flash games where the player can actually draw objects. Meaning they have like a pen cursor in the game, and they can just start creating vector art. I have a game in mind where it might be a cool feature to have the user draw a few things. I bet this is a heavy subject so I am not asking for every bit of code I'd need to create something like this, but I have searched quite a lot for anything remotely brushing on this subject and clearly I have no idea what I should be punching into google.
View 3 RepliesI've imported a vector graphic from AI into my stage. When I click on the vector graphic that's been converted to movie clip symbol and drill down to the vector level, as soon as I insert a keyframe in the timeline, I no longer can use an eraser to edit the vector graphic. It automatically move up one level as soon as I insert a keyframe. Does anyone have any idea why I'm getting this behavior? I want to create a hand written effect with this vector grachic.If I draw a vector square on the stage, convert to movie cli, double double click the movie and then I am able to edit or change the vector shap but that's not the case with the imported AI file.
View 2 RepliesI have a main.mxml in a flash builderproject. In some library I have a vector. I need to push that vector and its contents to the ui to use to populate lists and what not. How would that be done?
View 1 RepliesI am trying to use the new Vector class introduced in Flash 10. Tried compiling the code using mxmlc but am getting this error message:
Error: Type was not found or was not a compile-time constant: Vector.
public var selectedRoutes:Vector.<Route>;
What is the general consensus about the viability of using this feature? Can you do introspection of the Vector with describeType and get the type the Vector contains at runtime?
Why would bitmap outperform vector?My Flash is for a large Kiosk, with rich media requirements and must function accurately as a counter. I want to keep everything vector for scalability. When I did a simple FPS test, I noticed my Bitmap version performed perfectly, and the all vector file was noticeably slower.
- only text and bitmap perform well, not vector
- background and clouds OK, but more layers slow it down
I'm looking to build a website that has a flash interface and allows visitors to upload vector art in a number of file formats such as SVG, EPS and AI.
I have two rather large problems...
1) I need to load the original vector art, probably convert it to FLV and display it in my flash application.
2) After the user potentially loads a number of images, adds some text, rotates or transforms some elements, I need to save the resulting composition into a vector art format that I can print.
I'm not much of an AS developer...my experience is mostly in .NET/C# & C++. I'm looking for a good library or API that provides the functionality I will need to convert different image formats and save the results. How much of this can be done using Flash / AS...? How much in C#...?
I have created a new instance of a vector class,
ActionScript Code:
var v:Vector.<String>;
v = new Vector.<String>();
[code].....
im trying to recreate the swf on that page only then in AS 3.0 I'm halfway there but i cant seem to draw the correct line on the normals of the main vector. from point0 to point1 would be vector 1, and from point0 to point2 would be vector 2. Vector2 has been drawn with the normals to its sides. (the blue cross)Vector 1 has also been drawn, its the black line thats running to the green ball.Im trying to visualize the forces of vector1 on vector2. just run the code and you'll see what i mean:
ActionScript Code:
//canvas
var canvas:Sprite = new Sprite();
var point0:Sprite = new Sprite();
var gr0:Graphics=point0.graphics;
[code]....
Code:
var moo : Vector.<SomeClass> = new Vector.<SomeClass>();
moo.splice(0);
[code]......