User Guide

695

union()

Syntax

rect(1).union(rect(2))

union (rect1, rect2)

Description

Function; returns the smallest rectangle that encloses the two rectangles rect1 and rect2.

Example

This statement returns the rectangle that encloses the specified rectangles:

put union (rect (0, 0, 10, 10), rect (15, 15, 20, 20))

-- rect (0, 0, 20, 20)

put rect(0, 0, 10, 10).union(rect(15, 15, 20, 20))

--rect (0, 0, 20, 20)

See also

map(), rect()

unLoad

Syntax

unLoad

unLoad theFrameNum

unLoad fromFrameNum, toFrameNum

Description

Command; forces Director to clear the cast members used in a specified frame from memory.

Director automatically unloads the least recently used cast members to accommodate

preLoad

commands or normal cast loading.

• When used without an argument, the unLoad command clears from memory the cast

members in all the frames of a movie.

• When used with one argument, theFrameNum, the unLoad command clears from memory the

cast members in that frame.

• When used with two arguments, fromFrameNum and toFrameNum, the unLoad command

unloads all cast members in the range specified. You can specify a range of frames by frame

numbers or frame labels.

Examples

This statement clears the cast members used in frame 10 from memory:

unLoad 10

This statement clears the cast members used from the frame labeled first to the frame labeled last:

unLoad "first", "last"