ActionScript 3.0 :: Collision With A Solid Object?
Mar 30, 2010
I am currently creating a game in which the character is stationary in the middle and the world moves in relation to the character. When the character is not moving and not touching anything, I need the world to shift upward to meet the character and stop on collision detection. The problem is I have no idea how to conceptually make this work.
making assets "fall up" and stop when colliding with an object (basically reverse gravity).
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Apr 8, 2011
Is there anyone that can write a really basic physics engine including 1 ball and 1 solid object?
So it should be 1 ball and then 1 solid object like a box. The box should be completely solid, the ball shouldn't be able to go through the box, it should just stop when hitting it at any angle.
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Oct 7, 2011
I am currently making a game based on slicing other objects, basiclly when you hold down and drag your mouse and then release it an object that shows the cut will be created.
//Sliceline.as
package
{
import flash.display.Bitmap;
[code]....
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Jan 2, 2010
I have three objects in the main scene (so far), one of them is draggable (up and down only), then the animated one that moves downwards and the start button (activates the animation). So I've been trying to figure out how to script the collision detection for the first two? The collision should take place not because I dragged the slider onto the animated block, but because the falling piece hits the slider after I pressed the start button.
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Feb 7, 2009
I need to detect collision between my bezier curve (drawn using curveTo method) and a object, the curve is dyanamic and hence the equation changes every frame. I am looking for a efficient method to detect collision between curve and the object.
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May 10, 2010
I have two MC's on the stage. One of them is standing still in one position, the second one is moving towards it. I want the moving mc stop right at the very centre of the first mc. I've tried using hitTestPoint, but I don't know how to set the proper parameters. If I put there just: mc1.hitTestPoint(mc2.width / 2, mc2.height / 2, true), the trace function I use doesn't seem to have even noticed the collision...
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Jan 17, 2012
Is there a way to test collision with a child of an object?eg.
ActionScript Code:
obj1.hitTestObject(obj2.childObj1)
obj1 and obj2 are on the same level of hierarchy.
I am trying to test when an object collides with a particular location of another object so i made a 1x1 movieclip (childObj1) and placed it inside obj2 at that particular position.
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Feb 19, 2008
I read the tutorial about Multiple Object Collision Detection. What I want to do is have there be 3 circles and 3 squares. the circles are moving randomly while the squares are stationary. The actionscript would need to be checking to see whenever the moving circles collide with the stationary squares. However, it doesn't seem to be working. I followed the logic of the tutorial pretty closely, by making a separate list for the instance names. Here is the code for the collision detection.
[Code]...
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Nov 11, 2011
I want to create a function in which I can drag a MovieClip which will bump into other MovieClips on the stage without overlapping them. (i.e. the object cannot be dragged over or through other MovieClips).
function dragHolder01(event:Event):void{
if (mouseDownHolder01 == true) {
for(var m:int = 0;m<blockHolder.numChildren; m++){
[code].....
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Mar 28, 2012
I'm trying to have an enemy's shell hit my player. I have the logic in place that detects a player's bomb hit an enemy, I tried to edit it slightly and apply the same logic to the enemies shell.
Code:
// check for collisionspublic function checkHits(event:Event)
{
[code]......
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Jun 1, 2009
I need to make a dragable button but I need this object to stay clear from other objects on the stage so to act like pushing away other objects on the stage.
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Oct 11, 2009
Assuming, for a rectangle that is controlled by the user using the arrow keys, that I do the following[code]...
Assuming that works in detecting the collision, what would I use to actually stop the rectangle from progressing through the wall?
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Jun 23, 2009
I am creating a game where I have two separate arrays of objects that I need hitTested with each other. I found an old tutorial in AS2 that I modified to come up with this code:
ActionScript Code:
for (var w:Number = 0;w < enemyLaserArray.length;w++) {
for (var R:Number = 0;R < barricade1Array.length-1;R++) {
if (enemyLaserArray[w].hitTestObject(barricade1Array[R])) {
[code]....
This code executes like I believe it should, but along with removing the two objects, and splicing them from their arrays, I get this error
Code:
TypeError: Error #1010: A term is undefined and has no properties.on the line hitTestObject line. I have had similar problems in other areas of my project, but this time no matter what I try using trace statements I cannot fathom quite what the problem is.
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Oct 13, 2005
Right now I'm working on an advanced hitTesting engine, and What I'm trying to do here is create an engine that will detect collision with one object instead of two. That basically means that if any other objects touch this movie clip, the hitTest will return True. Right now the .fla containing the engine has nothing but a circle that can be moved using arrow keys and 8 squares that disappear when touched by the circle. Obviously, I could do something like:
if (circle.hitTest(square1)) {
do so and so
} else if (circle.hitTest(square2)) {
do this and that
} etc...
But that would be too long, since the engine has to be able to contain 100 squares without too much change in the code.
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Feb 28, 2009
so I have a function on the Main Timeline that creates an instance of the class Ball once every 60 frames (1 second). In the class code for Ball I have this:
Code:
package {
import flash.display.MovieClip;
import flash.events.*;
[Code].....
As you can see, I am trying to make it so that if two instances of the class Ball collide, then it should output "STOP". But it isn't working.
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Apr 22, 2009
What is the most efficient way to text for a collision between an elliptical object, and an irregularly shaped object (closely related to a line) that rotates?
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Feb 22, 2010
As the title says: Stop object from moving further when collision occurs.
Right now I'm trying to make a sliding puzzle. So far I have a block which I can click and drag around, and a few walls which are the boundaries. What I'm trying to do is make an area where the block can slide within the boundaries. So when you try to drag the block into an direction it will stop, whether you got mouse_down or mouse_up. My script so far
Code:
stop();
//Sliding Blocks
MCBlock1.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
[Code]....
Also I need to use a lot of boundaries, so if there's a way to apply this script easily to several objects
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Apr 3, 2012
The scenario: in Main, instances of class Bullet are spawned and added to the stage, and to the array bltarray, instances of class Enemy are spawned, added to the stage, and added to nmearray. This works fine.
The problem comes in seemingly sporadically, i.e. it works, then suddenly doesn't work soon after, when it doesn't work I get spammed with output errors and the score display is constantly rising, note it's the same instance of bullet and enemy. [code]...
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Jun 22, 2010
I have almost everything working except for collision with the bricks. This is based heavily off the "Flash Games University" example although several things are changed. When the game starts with brick collection detection in play, and the ball appears the entire thing freezes. I get this error: Error #1009: Cannot access a property or method of a null object reference. It repeats 28 times - the number of bricks. The error seems to be occurring at "var brickRect:Rectangle", according to debug and observing. It may be a scope issue, but what should I change to fix?
[Code]....
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Oct 16, 2009
In my file (AS2), I have a small square at the middle of the page. Diagonally to the right, I have a vertical wall which is a rectangle. Pasted inside my small square, I have the code:
onClipEvent(enterFrame) {
if (Key.isDown(Key.RIGHT)) {
if (this.hitTest(Wall._x, Wall._y, false)) _x =
[code]......
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Apr 5, 2010
I am making a flash video game. You will have control of a spaceship that is going to go to space. I made a 550x30,000 JPG file in photoshop to use in flash as the background for the game. 30,000 pixels is about what I need to make a good scale of the earths atmosphere because earths atmosphere is about 36,000 feet high and I was goign to use a scale of 1 pixel = 1 foot.
When I import the jpg to flash and test the movie instead of my background all I see a a plain red box in the movie window. It fills the whole stage. This led me to think that there could be a pixel limitation. If so what are the limitatoions and how can I get around them?
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Dec 16, 2007
I have a few movieclips that I am fading out alpha with actionscript
The problem is the MC is not a solid shape, it has layered shapes in it, so you can see all the shapes within it fading indivually
Is there a way of fading an MC as if it were a solid (bitmap?)
Is there an easy way of converting a vector mc into a bitmap in actionscript?
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Dec 27, 2010
I've trying to make blocks solid so my character can walk across the blocks and not go straight through it ive looked around for around 12-13 hrs at the moment and im still stuck.
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Feb 15, 2007
I'm trying to simply draw a solid shape consisting of various other shapes, however, when I overlap two shapes, the overlapped area becomes transparent again. For instance:
Code:
var myShape:Shape = new Shape();
myShape.graphics.beginFill(0x000000);
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myShape.graphics.drawCircle(20, 10, 25);
myShape.graphics.endFill();
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The above code is AS3, but I believe the same thing happens for AS2 as well. The overlapping area between the two circles is not clack.
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Feb 2, 2005
How to make this RGB value not a solid black... but rather say a 20% shade of black?
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May 23, 2010
I have buttons that load SWF files. when i test the SWF they have a solid background. However, if i use a button to open the swf they have transparent/no background, yet you can still see the contents of the swf.
How do i get the SWF to have a solid background when opened by buttons?
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I'm building a map editor for a project and need to draw a hexagon and fill it with a solid color. I have the shape correct but for the life of me can't figure out how to fill it. I suspect it may be due to whether the thing is a Shape, Sprite or UIComponent. Here is what I have for the polygon itself:
import com.Polygon;
import mx.core.UIComponent;
public class greenFillOne extends UIComponent {
[Code].....
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Jul 13, 2009
Fairly new to ActionScript 3. I am creating a series of solid rectangles which will be acting as butttons for my site, a new rectangle is created by looping through an XML List, 1 rectangle for each title in my List. They will be displayed 1 above another down the left hand side of my screen.
What I want to do, if possible, is create a vanishing point on the right hand side of my screen which the rectangles will use to alter their perspectives.Obviously the rectangles with a far different Y position to the vanishing points, will display with a greater perspective.
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May 16, 2005
I have in a function a line to be drawn. I want the line to be not solid but like this ------. Can I code for that.line4.lineStyle(2,"0000FF",100);
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Jun 9, 2009
how to make a flash background go from solid to transparent? I know how to make it transparent all of the time, but I want the SWF to play, the background is there, and when it's done I need it to fade away...
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