User Guide - NetObjects Fusion

Examples
552
8. Preview the page to test your rollover. Mouse over the button to see it
highlighted, and click it to see it pushed in.
Colliding One Object with Another
This example demonstrates a drag action, collision detection, and custom
messages, where dragging one object into another makes the second object fly off
the page.
1. In Page view, add two objects to the page.
2. Make sure the first object (the one you plan to drag) is in front of the second
object.
3. Make a note of each object’s ID as it appears on the Action tab of the Properties
panel.
4. Select the first object and create a custom message named FlyAway, as
described in “Tailoring Actions with Custom Messages” on page 542. Create an
action to use in creating the custom message and then delete it.
Your message becomes available in
the When and Message menus
5. Add an action to the first object (as described in “Adding Actions to Objects
and Pages” on page 535) so that mousing down on it makes it stick to the
pointer until you mouse up.
In the Set Action dialog, enter Mouse, Mouse Down in the When field; the first
object in the Target field; Drag, Start Drag in the Message field; and Until
Mouse Up in the Parameters field.
6. Add a collision detection action to the first object like this:
In the Set Action dialog, enter Page, Page Loaded in the When field; the first
object in the Target field; and Drag, Set Collision Detection in the Message
field. Then open the Values dialog from the Parameters menu and specify the
second object for the Object ID value (type the object’s ID exactly as it appears