Game Development Reference
In-Depth Information
Figure 3.2
Distance without direction involves absolute values.
Figure 3.3
The number line depicts the absolute value.
The absolute value of a positive number is the number itself. The absolute
value of a negative number is the additive inverse of the number. Consider the
following operations with respect to absolute values:
j
7
3
j¼j
7
jj
3
j¼
7
3
¼
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