Generates amazing images, then applies a series of effects that dramatically alter the image before restoring to original.
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Source Code
5 REM CLOVER
500 REM
542 BRIGHT 1: LET L=6
545 CLS : OVER 1: RANDOMIZE 0
546 LET A1=INT (RND*8)
547 IF A1=3 OR A1=4 OR A1=5 THEN GO TO 546
548 PAPER A1
550 INK 9: BORDER RND*7
551 LET U=INT (RND*3)+1
552 REM SET U = 1 OR 2 OR 3
553 LET R=INT (RND*35)+5
555 CLS : LET B=2
560 LET G=100: LET V=42
565 LET W=0
566 LET F=INT (RND*6)+1
567 DRAW 0,175: DRAW 255,0: DRAW 0,-175: DRAW -255,0
570 REM MAIN ROUTINE
580 FOR T=1 TO L
585 LET V=42
590 LET A=T/(L/2)*PI
595 LET X=127+42*COS A
600 LET Y=87+42*SIN A
605 FOR V=R TO 42 STEP F
606 IF U<3 THEN GO TO 610
607 FOR V=42 TO 42
610 PLOT X,Y+V: DRAW V,-V,W: DRAW -V,-V,W: DRAW -V,V,W: DRAW V,V,W
615 IF U=2 THEN PLOT X,Y+V: DRAW V,0: DRAW 0,-2*V: DRAW 2*-V,0: DRAW 0,2*V: DRAW V,0
616 LET V=V+1: PLOT X,Y+V: DRAW V,-V,W: DRAW -V,-V,W: DRAW -V,V,W: DRAW V,V,W
617 IF U=2 THEN PLOT X,Y+V: DRAW V,0: DRAW 0,-2*V: DRAW 2*-V,0: DRAW 0,2*V: DRAW V,0
620 NEXT V
625 NEXT T: PAUSE G:
630 LET L=L+2
635 REM FILL LINES
640 INK 9: FOR J=1 TO 255 STEP B: PLOT J,0: DRAW 0,175: NEXT J
645 PAUSE G
650 FOR J=175 TO 1 STEP -B: PLOT 0,J: DRAW 255,0: NEXT J
655 PAUSE G
660 FOR J=255 TO 1 STEP -B: PLOT J,0: DRAW 0,175: NEXT J
665 PAUSE G
670 FOR J=0 TO 175 STEP B: PLOT 0,J: DRAW 255,0: NEXT J
680 PAUSE 150: GO TO 545
999 SAVE "clover" LINE 1