Reverse Z Perspective Projection Demonstration | Desmos

Expression 3: "z" equals 1

"n"

"f"

3

Expression 4: StartFraction, "z" StartNestedFraction, "f" NestedOver "f" minus "n" , EndNestedFraction positive StartNestedFraction, "f" "n" NestedOver "n" minus "f" , EndNestedFraction Over "z" , EndFraction

equals

0

4

Expression 5: StartFraction, negative "z" StartNestedFraction, "n" NestedOver "f" minus "n" , EndNestedFraction plus StartNestedFraction, "f" "n" NestedOver "f" minus "n" , EndNestedFraction Over "z" , EndFraction

equals

1

5

Expression 6: 1 minus StartFraction, "z" StartNestedFraction, "f" NestedOver "f" minus "n" , EndNestedFraction positive StartNestedFraction, "f" "n" NestedOver "n" minus "f" , EndNestedFraction Over "z" , EndFraction

equals

1

6

7

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