ActionScript 3.0 :: Extending A Vector To The Edge Of The Window?
Oct 31, 2011
I'm trying to draw a line from a point, in a direction to whichever edge of the window it hits first.
I've really only come up with the most brute force solutions to this problem (getting the vector, finding intersections with the all edges, choosing the shortest) but I can't help but feel that some much more elegant solution is JUST out of my vision.
A followup:
This one is a similar problem in that I know there's got to be a really nice solution hanging out on the web somewhere that I haven't found, yet.
If I have a series of points along multiple edges of the window (up to all four) how can I sequence them to be connected to each other, and any window corners along the way?
In other words, let's say I have a series of points (generated at runtime, so without any order) along 2 edges of the screen and I want to draw the triangle that they make up. How can I connect them in order (so as not to get any of that ugly intersecting polygon nonsense) AND include the corner?
This one I really have very little insight on. The best I've managed is picking a point at the center of the stage and comparing the angles formed when drawing lines to each point. It's ugly, and requires that one find the largest angle between two of those vectors, first (making two passes necessary). It even breaks when the points extend to three sides as the largest angle is not always between the two outside vectors.
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Mar 16, 2011
I'm trying to extend a line from any given point to the mouse by a certain number of pixels (say, 100). This is the closest I've got: link to SWF. As you can see, the red line is behaving as it should (connecting the "any" point, located at the center of the screen, with the mouse) but the blue line is extending a line from the origin to the mouse by 100 rather than from the "any" point.
The AS3 code on the first frame (shown above, complete below):
Actionscript Code:
import flash.events.Event;
import flash.geom.Point;
function findTermination(
x0:Number,
y0:Number,
[Code] .....
I've expanded the findTermination function as much as I can to make it easier to read (I have a real bad habit of doing everything on as few lines as possible).
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I have found the following registry entry, but am unsure if it applies to what I'm having problems with or what the format of the entry is: HKEY_CURRENT_USERAdobeFlash 9SettingsWindow
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Sep 13, 2011
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?
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Created 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
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Nov 16, 2011
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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]...
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<type name="__AS3__.vec::Vector.<Number>" base="Object" isDynamic="true" isFinal="true" isStatic="false">
<extendsClass type="Object"/>
<constructor>
[code]....
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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.
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Class ShootGame implements IGame{
[Code]...
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