How to stop an image returning to its starting poi

In order to get a ball moving in 3D I have created a new container to contain the image and rotated the container.

The java code is:

//Run the play when the "Play Ball" button is selected.
        runButton.addClickHandler(new ClickHandler()
        {
            public void onClick(ClickEvent event) {   

                if (play == 1) {

                    //play1();
                    moveBallContainer.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT);
                    moveBallContainer.setVerticalAlignment(HasVerticalAlignment.ALIGN_BOTTOM);

                    moveBallContainer.add(img);
                    absolutePanel.add(moveBallContainer, 5, 200);
                    moveBallContainer.addStyleName("roundBall3DMove");
                    answerTextBox1.setCursorPos(0);

                }  
            }
        });

The CSS3 is:

.roundBall3DMove {
    width: 295px;
    height: 220px;
    position: relative;
    background: grey; /* So I can see what is happening - remove */
    border-radius: 0px;
    perspective: 500px;
    -webkit-animation-name: roundBall3DMove;
    -webkit-animation-timing-function: linear;
    -webkit-animation-iteration-count: 1;
    -webkit-animation-duration: 2s;

    -webkit-animation-fill-mode: forwards; /* Chrome, Safari, Opera */
    animation-fill-mode: forwards;

    animation-name: roundBall3DMove;
    animation-timing-function: linear;
    animation-iteration-count: 1;
    animation-duration: 2s;

    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    -ms-transform-style: preserve-3d;
    transform-style: preserve-3d;
  }

  .roundBall3DMove:hover {
    -webkit-animation-play-state: paused;
    animation-play-state: paused;
  }

/* Chrome, Safari, Opera */
@-webkit-keyframes roundBall3DMove {
    from { -webkit-transform: rotate3d(1, 0, 0, 0deg) rotate3d(0, 1, 0, 0deg) rotate3d(0, 0, 1, 0deg); }
    to   { -webkit-transform: rotate3d(1, 0, 0, 180deg) rotate3d(0, 1, 0, 180deg) rotate3d(0, 0, 1, 180deg); }
 }

 /* all other browsers */
  @keyframes roundBall3DMove {
    from {
      -moz-transform: rotate3d(1, 0, 0, 0deg) rotate3d(0, 1, 0, 0deg) rotate3d(0, 0, 1, 0deg);
      -ms-transform: rotate3d(1, 0, 0, 0deg) rotate3d(0, 1, 0, 0deg) rotate3d(0, 0, 1, 0deg);
      transform: rotate3d(1, 0, 0, 0deg) rotate3d(0, 1, 0, 0deg) rotate3d(0, 0, 1, 0deg);
    }
    to {
      -moz-transform: rotate3d(1, 0, 0, 180deg) rotate3d(0, 1, 0, 180deg) rotate3d(0, 0, 1, 180deg);
      -ms-transform: rotate3d(1, 0, 0, 180deg) rotate3d(0, 1, 0, 180deg) rotate3d(0, 0, 1, 180deg);
      transform: rotate3d(1, 0, 0, 180deg) rotate3d(0, 1, 0, 180deg) rotate3d(0, 0, 1, 180deg);
    }
  }

This gets a movement in 3D. However, at the end of the animation the ball returns to where it started. I do not want this. The ball starts in the lower right of the container and I want to rotate the container in x, y, z axis so the ball ends up in the top left corner and then keep it there.

Regards,

Glyn

回答1:

You'll want to add the animation-fill-mode property and set it to forwards. The animation-fill-mode property accepts: forwards where the animation will apply the property values for the time the animation ended; backwards applies the property values defined in the keyframe that will start the first iteration of the animation; and both, which will honor rules for both forwards and backwards.

-webkit-animation-fill-mode:forwards;
-moz-animation-fill-mode:forwards;
animation-fill-mode:forwards;

Note that this property is not supported in Android browsers below 2.3. For more information about support see: http://caniuse.com/#feat=css-animation

回答2:

After a lot of fiddling around with it I found that if I adjust the x axis "rotate3d(0, 0, 1, 180deg);" to, for example, "rotate3d(0, 0, 1, 45deg); then it does not return to the original position.

Regards, Glyn