apple2a/examples/stars.bas
Lawrence Kesteloot 184262ca3e Add examples.
2018-08-06 00:25:27 -07:00

44 lines
742 B
QBasic

10 GR
20 TS = 40
30 DIM DX(9),DY(9),C(9),X(9),Y(9)
1000 DX(0) = 14
1005 DY(0) = 13
1010 C(0) = 14
1100 DX(1) = 18
1105 DY(1) = 8
1110 C(1) = 5
1200 DX(2) = 7
1205 DY(2) = -18
1210 C(2) = 12
1300 DX(3) = 9
1305 DY(3) = 17
1310 C(3) = 3
1400 DX(4) = 19
1405 DY(4) = 2
1410 C(4) = 12
1500 DX(5) = -19
1505 DY(5) = 0
1510 C(5) = 4
1600 DX(6) = -2
1605 DY(6) = 19
1610 C(6) = 14
1700 DX(7) = 0
1705 DY(7) = -19
1710 C(7) = 4
1800 DX(8) = -18
1805 DY(8) = -7
1810 C(8) = 4
1900 DX(9) = 14
1905 DY(9) = 13
1910 C(9) = 11
2100 FOR T = 0 TO TS
2200 FOR I = 0 TO 9
2210 OX = X(I) : OY = Y(I)
2220 X(I) = 20 + DX(I) * T / TS
2230 Y(I) = 20 + DY(I) * T / TS
2240 COLOR=0 : PLOT OX, OY
2250 COLOR=C(I) : PLOT X(I), Y(I)
2260 NEXT
2300 NEXT
2310 GOTO 2100