Wired Movies and Sprites

Sprite Spatial Concepts

This section explains sprite spatial concepts, which you may need to understand in order to work with sprites both on the desktop (outside a QuickTime movie) and within QuickTime movies. These concepts include

a sprite track's local coordinate system
the source box of a sprite image
bounding box
a sprite's "four corners"
registration points
display space

Sprite Track's Local Coordinate System

Source Box

Sprite's Bounding Box

Sprites' Four Corners

Registration Points

Display Space