The Art of LEGO MINDSTORMS NXT-G Programming

conclusion

This chapter has covered using numbers and logic in your programs. The Math block is used for operating on numbers, and in most cases will behave exactly as you’d expect. Knowing how integer or floating-point math works (depending on which version of NXT-G you’re using) will help you avoid the most common problems encountered with computer math.

The Logic block lets you write programs that make complex decisions, such as combining the input from multiple sensors. The Range block gives you a convenient way to perform the common operation of testing a value to see whether it’s in a certain range. The other block introduced in this chapter was the Random block, which you can use to add a little unpredictability to your programs and personality ...