Category : Science and Education
Archive   : CHAOS.ZIP
Filename : CHAOS3.BAS

1000 KEY OFF: SCREEN 9: CLS : PALETTE
1010 PALETTE 1, 10
1020 PALETTE 2, 18
1030 PALETTE 3, 23
1040 PALETTE 4, 63
1050 DEFINT A-X
1060 DIM VX(900), VY(900)
1070 '
1080 PRINT "Chaos III - R.C.Williford 2/89"
1090 PRINT "Program to demonstrate the behavior of chaotic"
1100 PRINT "relationships between multiple points on a CIRCULAR plane."
1110 PRINT " "
1120 INPUT "Enter the number of initial points (3 min.) "; P
1130 CLS
1140 '
1150 FOR Z = 1 TO 900: VX(Z) = 0: VY(Z) = 0: NEXT Z
1160 ZPI = 3.141593: I = 0
1170 FOR ZP1 = 0 TO ZPI * 2 STEP (ZPI * 2) / P
1180 I = I + 1
1190 VX(I) = 320 + (SIN(ZP1) * 240)
1200 VY(I) = 175 + (COS(ZP1) * 170)
1210 NEXT ZP1
1220 FOR I = 1 TO P
1230 IF VX(I) > 0 THEN PSET (VX(I), VY(I)), 15
1240 NEXT I
1250 '
1260 RVX1 = RND(4) * 640
1270 RVY1 = RND(8) * 350
1280 '
1290 FOR C = 1 TO 4
1300 FOR Z = 1 TO 10000
1310 I = 1 + (RND(4) * (P - 1))
1320 RVX = (RVX1 + VX(I)) / 2
1330 RVY = (RVY1 + VY(I)) / 2
1340 PSET (RVX, RVY), C
1350 RVX1 = RVX: RVY1 = RVY

1360 NEXT Z
1370 N$ = INKEY$: IF N$ = CHR$(27) THEN CLS : END
1380 IF N$ > "" THEN C = 4
1390 NEXT C
1400 GOTO 1120