When a Face is Detected

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When a Face is Detected
when a face is detected::extension hat
Category	Face Sensing
Type	Hat
Introduced in	3.0

The "when a face is detected" block is a hat block and a Face Sensing block. The block activates when a face appears in the frame, after not having previously been visible.

Example Uses

• Triggering a sprite to stay on your nose forever.

when a face is detected:: extension hat 
forever
go to [nose v]:: extension

• Triggering a specific action for the sprite to do/say.

when a face is detected:: extension hat 
say [Wow! You look handsome!]
glide (1) secs to x: [276] y: [28]
switch costume to (Wow! v)