I've written a small program which detects my mouse movement and draws circles on the x- and y-position of the mouse.
[Code]....
As you can probably see: after drawing a lot of circles the program slows down and the framerate makes the circles be placed with a large gap between them. I would guess that the program draws what is behind the current circle even though the user cannot see it?
i'm developing a game for mobile devices where I need to draw many objects and some lines(1~3 just occasionally).
my problem in short is: Line drawing is too slow for iPhone4
objects are drawn with bitmap, so it's pretty fast with GPU support. drawing lines are slow.
a end point of a line follows mouse cursor, so it changes every frame.
here's how i did it
initialization step:
var img:Shape = new Shape();
addChild( img );
[Code]....
that gives me 47~48 FPS on my iPhone. +2 FPS but still way too slow for a simple line.
without the line, i can maintain my whole game around 30 FPS. with the line, it goes below 20.
It seems the drawing API can quickly slow down a movie, just by drawing a bunch of static (unanimated) lines on the screen. In contrast to movieclips, of which it can handle thousands without slowdown. Makes me wonder why it doesn't just handle drawn lines as movieclips? Why does the linedrawing become slow so quickly, and is there any way to prevent this from happening?I written a quick test, and it appears to slow down, while drawing, after just 300 lines, while only after 2000 mc's the fps start to dip slghtly, while placing them. I also tried drawing every line in it's own layer but it remains much the same.
View 0 RepliesI need to draw on stage about 40,000 4x4 squares each a different color. The color is determined by an xml file. I have this working in as2 and have converted it to as3 the problem is the amount of time it takes to draw is causing cs4 to time out. I have extended the script time out to 60 seconds. In cs3 as2 it would draw the squares in about 15 seconds. I was hoping as3 cs4 would improve performance but seems to be the opposite. I have tried several methods such as adding children and various drawing variations. the bellow seems to work the best, but is still causing flash to crash.
ActionScript Code:
import flash.display.DisplayObject;
import flash.display.Graphics;
import flash.display.Shape;
[Code]...
I have imported a lot of paths from an Adobe Illustrator document right into a flash file. The paths exists as Drawing Objects inside the scene. Using pure actionscript, how can I move a symbol following each of the lines, without using predefined Motion Guides.
EDIT: I've attached the Flash file, full of drawing objects.
http:[url]....
The question is: Are these drawing objects accessible through AS3 or I should convert them to symbols / whatever format necessary.
I have a little problem with counting all elements on stage. Flash, unfortunately is counting all objects on the stage without drawn objects (all shapes, including drawing objects, rectangles etc) all missed. Is there any way to count them?
View 2 RepliesHow can I draw objects relative to one another in AS3? For example I have a small object in the middle of a large object. Then I move the small object to the left (subtract x) but visually I see the large object move to the right and the small object stay still.
View 4 RepliesI am using a custom Flex skin to create an active blur/frosted glass effect on the background of floating Panels, TitleWindows, and other containers (similar to http:url....). There is a background image in the Application skin, and potentially any number of other components above and below the active blur component. Here's some relevant code within the skin:
public static const BLUR_FILTER :BlurFilter = new BlurFilter(16, 16, BitmapFilterQuality.HIGH);
private var _bitmapFill :BitmapFill = new BitmapFill;
private var _matrix :Matrix = new Matrix;[code]....
Unfortunately, the performance of this when the component is being resized, and especially when moved, is poor. There is noticeable drag delay and overall slowdown, and this is with only one popped-up TitleWindow in the test application. There is especially poor performance when components inside the TitleWindow are changed (button hover states, etc.)I've attempted to optimized a little bit by avoiding reinstantiation of the blur filter, bitmap fill, and matrix, but this has had little or no effect. I removed the blur at one point, just drawing the Application to a bitmap, and the performance is still poor, so it's clear that it's mostly the BitmapData.draw() call.
I've read about using scrollRect and cacheAsBitmap, but I'm not sure where to apply these properties (or other optimizations I'm not aware of) within the Application or its components.
So I've got problem with some drawing objects inside movieclip in my flash file... Setting width and height of flash to match browser's w&h got my movie clip to get correct values, but unfortunately drawing objects inside of it are not scaled as movieclip. Those object are just random stripes that got some tween on it acting as somekind of preloader... All graphics are pulled from ai file, so no AS was used to manipulate them, just pure tweening in design mode...So if my stage w & h are lets say 720 x 50, graphics inside movieclip are 1600 x 900 which match my monitor's resolution.
View 1 RepliesI'm building my first Flex custom component, in Flex 3. It is a data table based on the 'Grid' container class, with a simple text Label in each cell. (DataGrid and AdvancedDataGrid were not appropriate starting points for my needs.) The component works quite well using smallish tables, but I tried stress-testing it using a larger table, and have been disappointed by the results.
The component creation process has some slow spots, but those are in my power to optimize and aren't my primary concern. What worry me more are what appear to be limitations in the Flex framework itself.
This 'large' sample table has a bit over 7000 cells in it. This is largish, but still 1-2 orders of magnitude less than the biggest I need to accommodate. In standard Grid structure, the main portion of the component consists of a Grid with 400 GridRows of 16 GridItems each, plus a few other smaller ancillary Grids.
Once the table renders, I find the following:
Mouse-related events are slow to fire. Specifically, I have rollOver/rollOut event handlers registered on each table cell, to let me highlight the cell under the pointer. On a small table, I could move the mouse over the table very quickly, and the highlighting would follow the pointer in real-time. With the larger table, the highlighting is very jerky, changing only about twice per second, skipping over many cells.If I place the mouse cursor over the component and leave it there, my CPU is pegged (one processor core, anyway), and stays that way until I move off of the component, when it drops to idle. My component isn't doing anything at all at this point.
It feels like Flex simply cannot scale to support component trees that are this large. I shudder to imagine how it would behave with 100,000 cells. Perhaps I'm pushing the Grid beyond its intended use, but having an object per table cell doesn't seem like an unreasonable model, and ~14,000 objects in the tree (a GridItem and a Label per cell) seems pretty modest.
I have 500 small objects, I would like for them each to rotate (spin) constantly, I have seen a few methods for doing this, but what would be the best way to do this so performance doesn't slow down?
View 9 Repliesi want to be able to draw and object with just code so the user can draw objects on the stage.
View 1 Repliesi'm drawing objects with the api and for some reason they're coming out upside down.
View 2 Repliesthe first thing I am doing is to draw a shape. Object Drawing is selected. I have clicked the rectangle shape tool, have selected a color and fill. I drag across the stage and a rectangular line appears, but when I let off the keys, it dissapears. No shape, no stroke, no fill.Invisible, gone, disappeared.What the heck am I doing wrong?
View 12 Replieswhen drawing an object and using that objetc to mask another layer im having trouble making more than one object act as the mask. Eg I draw a circle and use the mask function to mask an image, works fine, then i draw some more geometry (in the same layer) and it will not mask as the first object did. Is there any way I can 'Join' them togeter to act as one big mask?
View 2 RepliesI have a vector drawing object inside a parent movieclip.The drawing object is acting as a semi-transparent frame for and image on another layer. the problem is when I scale the parent movieclip the thickness of the drawing object is changing.I know that you can turn off scaling for lines and rectangles, but is there a way to do the equivalent for a vector drawing object?
View 2 RepliesI'm trying to make a short script in AS3 which will simply take some animated lines that are in a movieclip (pre-animated in library) and draw a 15px diameter circle around each vertex / point of the lines.
how to access the vertices of the lines in actionscript!
This seems like it should be fairly simple, but for some reason Im getting caught up when it comes to removing a layer from my drawing app, and when moving the layers up and down in the display list. My first problem is that when I do the (canvas.removeChild(layers[value]); it removes the child of the targeted layer, but it also removes the child of the objects before it? I think anyways.
The second problem is that my layerUp function works, but my layerDown does not, even though they are the same code? Confused I am indeed. I'm sure its fairly messy since Im just learning this stuff, so sorry for that too!
[Code]....
I have a set of small circles(balls) on the stage, contained in an array. The array at different times in times in the program could have ballArray.length=1 or ballArray.length=125 or 48 or 0, etc.The balls float around the stage randomly too.I wish to have a function which will draw a line between all the points(balls or circles) in that array.So for example where there is 0 or 1 balls, there would be 0 lines drawn.Where there is 4 balls there would be 6 interconnections. as there would be six lines linking every object to each other object , exactly once per tick in the animation.[code]
View 3 RepliesI have created some graphics directly in Flash Cs4 using the drawing tools, making them 'drawing objects', yet they are pixelated when viewed in browsers. Within Flash they look crisp, but not when exported.
Here is a screenshot:
And again zoomed-in:
I'm trying to make annotations on an image. I want to store all these annotations into a collection so that I can later remove or edit particular note(annotation).I'm creating a UIComponent instance for example markUp and doing
markUp.graphics.lineStyle(2, drawColor);
markUp.graphics.moveTo(x1, y1);
markUp.graphics.lineTo(x2, y2);
[code].....
I'm trying to draw a line between circles stored in an array. I have a button on the stage which adds another circle to the stage. My issue is I cannot draw a line between the most recent circle added to the array and the one that will be added next.
It is a bit complicated and I'm not an experienced programmer by any stretch of the imagination.
Anyway, here's my code:
[Code]...
When I create drawing shapes I cant see any color or fill. I know there is a setting that need to be changed so I can see them. Here is a pick of what is happening on my screen
View 2 Repliesi've tried to simulate a pencil tool, for drawing above a imagem, but the drawing is below the picture. How fix it?
[Code]....
Basically I've got a reasonably complex drawing object in a fla and I want to reproduce it in a class definition using the drawing api. However obviously this is a tedious task, so is there some trick or automated method of doing this?
Last time I needed to do this it was a drawing of an arrow and I ended up writing down x,y,width,height values for everything but this one has curves in it which I don't have experience with drawing anyway.
I cannot get this to work. Without the "var drawing", "var drawing being true or false" and the "if statement", it works fine. But I need to add the "var drawing" so that you can only draw if you turn it on by pressing the "draw_btn" button. Note, I do not get an error, the script "apparently" contains no errors. Here is the code:
ActionScript Code:
var drawing = false
_root.createEmptyMovieClip("myLine", 0);
[Code].....
I've created a drawing tool which allows the user to draw on the canvas, the problem is that if I try to draw over a movieclip nothing happens. Is there a way I can allow for the user to draw over movieclips? For example if I had a background of paper?
Here's the code I'm using for it:
// This code is for drawing the lines on the page
//1.
var drawingLine:MovieClip = new MovieClip();
addChildAt(drawingLine,0);
[code]....
Internally Flash obviously keeps a list of the primitives drawn using Graphics so I wondered if you have many such primitives in a Sprite, can you re-position/remove/alter individual items rather than clear and re-draw everything? Or is this deeper into the bowels of Flash than you're allowed (or recommended) to go?
View 4 RepliesSome stuff is as fast as before, like scrubbing and playing and applying a tween.But other, simple stuff, like selecting frames, adding frames - regular or key - takes 2-5 seconds each. Really anything with the timeline is slow. This happens especially with long movies (1.5 minutes - 2500 frames). Which shouldn't matter. I had movies 5 minutes long working fine.
View 21 RepliesI have Flash CS3 installed (windows) I have two images, I shape tween from one to the other.
The .fla file is 15MB in size, and the .swf is 800kb,
My problem is that, even though I've set the animation to run at 30fps, I barley manage more than 1.4fps a second, it should take 5seconds to complete, yet its taking 140seconds.
I have a 2GHZ dual core PC, with 2GB RAM,
I want it to be a smooth transition.