Help with rotation

Hi, I am creating a basic 2d shoot 'em up in director. I want
to have the gun rotate (in order to follow the crosshair). Can
anyone help me? To give you a better idea heres a screen shot!
Thanks,
Staff, Northern Ireland
[url=http://img441.imageshack.us/my.php?image=ss7bq.png][img=http://img441.imageshack.us/i mg441/4022/ss7bq.th.png][/url]

I wouldn't expect AI to keep track of the rotation of a few points on a path -- that I can understand. But something like a block of text with 3 decks, or a photo, or a group, etc. That should be very easy to keep track of. I'd like to be able to create a new element and let it join a group of rotated objects with the same degree of rotation. It seems very odd to me that a vector program can't do that. Corel DRAW did all of this for me and it also gave me the option to "clear transformations" which is handy when things get out of hand and you want to revert to what you started with.
But thanks for your response. At least now I know I have to take notes on how I rotate things and avoid the free rotation tool.

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2. everything works fine when i just put the monitors in their normal 1280x1024 side by side
3. when i put Option "Rotate" "CCW" in the device section (as seen in the config below), i get my left monitor rotated nicely and my right monitor is rotated as well but it is setup as if it is below my left monitor.
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im kind of thinking now that i cant do this
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Except I need to add a lightning that will point toward the center whenever a button is activated. Much like picture below:
Everything I've tried so far has produced unexpected results
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I'll probably have to leave you to minds greater than mine for a solution to this. To have things arranged with long rectangles and a flattened oval shaped path around the center as you show complicates matters in terms of how the _x/_y properties need to vary in order to not be hitting the inner or outer buttons.
If it were mine to solve I would probably bend towards making the buttons circular shapes that follow a truly circular path around the center. Then I would only have to manage the _rotation value of the lightning bolt which would have its registration at the center of the central button--essentially going around like the hand of a clock.

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Let me know if i need to be a little more clear or you want a snap shot of my work, Another individual suggested that I use this code in the action layer:
var newXA:Array=[0,600,1200,1800];
var index:Number=1;
setInterval(newXF,9000);
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It seems to work in the sense after a little bit it does change the banner auto and after you stayed on a banner for a while, but it always changes to the same banner.
PLEASE HELP SOMEONE!!!!!!

Incognito mode is a Google Chrome setting when you open a new window (Cmd+Shift+N on a Mac Ctrl+Shift+N on Windows) It opens a "private" window with no cookies and no tracking. The problem with it is that when you disable cookies, your license files are not sent to the site (whetehr it's YouTube or xFinity or any other that uses license files for paid content) and it treats you as if you're a first time visitor. Paid videos won't play wihtout the cookies sending the license file info.
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My question...
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Sorry to say, but I don't think you will be able to do that.
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There may be some way with some pre-rendered images and the
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I need help with rotation interpolators

I draw a big sphere which represents the earth and distribute on this big sphere small spheres represent countries.
Now I want draw cone move between 2 small sphere.
I have used rotation path interpolator but the motion of the cone not appear to me since the cone motion is within the big sphere.
I want the cone start from first small sphere then turn around big sphere ti go to second small sphere.
could you help me please?
this is the code I used to make the motion
float[] knots = {0.0f, 1.0f};
        Quat4f[] quats = new Quat4f[2];
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            quats[1] = new Quat4f(1.0f,1.0f, 0.0f,(float)(-Math.toRadians(180)));
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*creating the interpolator and give for this interpolator the highest priority to begin*
motion now and then adding the interpolator to the branch group
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I promise you that you cannot learn how to use After Effects efficiently without going through some training. I've been teaching AE for a little more than 20 years and I've never seen a single person successfully stumble through the app and produce anything other than a direct copy of someone else's project. Start here: Basic Workflow

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Hi, I am trying to write an asteroids remake and I have gotten pretty far, but I'm stuck when I try to rotate my ship object. I have googled various formula's etc. but the code doesn't work as expected. I have posted the relevant ship.class below:
import java.awt.Polygon;
import java.awt.Graphics;
import java.awt.Shape;
import java.awt.*;
public class Ship extends MyShape {
     Polygon body;
     //line2D.Double base;
     //line2D.Double lside;
     //line2D.Double rside;
     double dx;
     double dy;
     double angle;
     double dAngle;
     Graphics2D gg;
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    x=a;
    y=b;
    //base=new line2D.Double(x,y,x+10,y);
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    //rside=new line2D.Double(x+10,y,x-5,y-10);
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    body.addPoint((int)x+20,(int)y);
    body.addPoint((int)x+10,(int)y-30);
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    public double getX(){
         return x;
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         return y;
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         this.y=y;
    public void setX(int x){
         this.x=x;
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      body.translate(0,delta);
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       // body.addPoint(x+20,y);
       // body.addPoint(x+10,y-30);
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         //body=new Polygon();
         theta=theta*(Math.PI/180);
         x=((x-(x+10))*Math.cos(theta)-y*Math.sin(theta)+(x+10));
         y=(y*Math.cos(theta)+(x-(x+10))*Math.sin(theta)+y);
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}If you could help me I would appreciate it,
Sincerely,
LJ
P.s. I know its a little rough, I wanted to clean it up soon.
Message was edited by:
nipponman21

Ok, I have officially given up on trying to get it to work via the mathematical definitions of a rotational transform. I decided to use the affine transform and it was MUCH easier than I thought to implement; however, the results are still unexpected, the ship actually turns and moves in a circle which is not what I want, here is the source (its a standalone app so you can compile and run it if you want) import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
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             while(true){
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    public static void main(String[] args) {
        new BouncingBall();
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               else{
               dy=MAXSPEED;
               ship.move(0,dy);
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               case KeyEvent.VK_LEFT:
                    theta++;
                    break;
               case KeyEvent.VK_RIGHT:
                    theta--;
                    break;
    repaint();
    public void keyReleased(KeyEvent e){
        switch(e.getKeyCode()){
               case KeyEvent.VK_UP:
               case KeyEvent.VK_DOWN:
               dy=0;
               break;
    repaint();
    public void keyTyped(KeyEvent e){
    class Ball{
          double x;
          double y;
         private Arc2D.Double body;
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              x=600.0;
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              body=new Arc2D.Double();
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              body=new Arc2D.Double(x,y,30.0,30.0,0.0,360.0,Arc2D.OPEN);
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         return this.x;
         public double getY(){
         return this.y;
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          double y;
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}Can you guys maybe run this and look over the code and tell me what I'm doing wrong? I would definitely appreciate it Thanks.

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I think you are giving the rotation value more than it can handle. After a while, many of the values in AE will stop increasing because the math can't go any further. Here are two things for you to try.
1) Use this simple expression for increasing the value of something.
THE BIG PICTURE: ([Amount of Change] / [Number of Seconds]) * time
ROTATION EXAMPLE: (360 / 5) * time;   <----- This will rotate a layer 360º over 5 seconds. It will also continue to rotate until the end of the comp or you run out of math.
POSITION EXAMPLE: delta = (500 / 2) * time; // This changes the value of "delta" 500 units over 2 seconds and continues.
                                   x = value[0] + delta; // Uses the x value from frame 0 and adds the delta to provide movement
                                   y = value[1]; // Uses the y value
                                   [x, y] // sends the values back to the layer
2) Modulus will recycle the numbers. Using your current expression, you can add modulus, and use it to recycle your math.
EXPRESSION: (time * 321) % 360
The % is the modulus, and it resets the count every 360º.
Good luck!
Trent

Help with rotation

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