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QB64-PE/tests/qbasic_testcases/misc/rotozoom.bas
Matthew Kilgore 9ee89d6ff4 Add QBasic tests
These tests use a variety of sample code (with some of the larger files
removed, so they are not complete!) and verifies that they all compile
successfully.
2022-04-28 23:00:07 -04:00

15 lines
464 B
QBasic

' OPTIMIZED :) rotozoomer in 9 lines by Antoni Gual
'for Rel's 9 LINER contest at QBASICNEWS.COM 1/2003
'------------------------------------------------------------------------
1 SCREEN 13
2 ANG = ANG + .08
3 CS% = COS(ANG) * ABS(SIN(ANG)) * 128
4 ss% = SIN(ANG) * ABS(SIN(ANG)) * 128
5 FOR Y% = -100 TO 99
6 FOR X% = -160 TO 159
7 PSET (X% + 160, Y% + 100), (((X% * CS% - Y% * ss%) AND (Y% * CS% + X% * ss%)) \ 128)
8 NEXT X%, Y%
9 IF LEN(INKEY$) = 0 THEN 2