3 Types of Conditional Statements (If statements) NXT-G Programming
1. Wait Block:
Do a one block command until a condition is met.
|
Wait Block Example: Go forward
unlimited until touch sensor activated. Stop after Touch sensor
activated.
 |
2. Switch Block (If
- Else Statement): If one condition is true, do one set of
commands. Else, do another set of commands.
Step by Step Directions for Switch
Block Basic Line Follow Sample
|
Switch Block Example: Line
following: If too dark, C motor runs and B motor
stops. If too light (else) B motor runs and C motor stops.
 |
3. Loop Conditional:
Repeat what is inside the loop until a condition is met.
|
Loop Conditional Example: Do
the "Line Follow Program"  |