-' Svjatoslav Agejenko\r
-' year: 2002\r
+' Program renders animation/screensaver.\r
+' It is inspired by The Matrix movie.\r
+'\r
+' By Svjatoslav Agejenko.\r
+' Email: svjatoslav@svjatoslav.eu\r
+' Homepage: http://www.svjatoslav.eu\r
+'\r
+' Changelog:\r
+' 2002, Initial version\r
+' 2024, Improved program readability using AI\r
\r
DECLARE SUB adus (a%)\r
DECLARE SUB pt (x%, y%)\r
\r
start\r
\r
+' Main loop of the program\r
2\r
FOR a = 1 TO usm\r
-IF uso(a) = 0 THEN adus a\r
-addn usx(a), usy(a)\r
-usy(a) = usy(a) + 1\r
-IF usy(a) > 13 THEN usy(a) = 0\r
-uso(a) = uso(a) - 1\r
-NEXT a\r
+ ' Check if the usage count is zero\r
+ IF uso(a) = 0 THEN adus a\r
+\r
+ ' Add new position to the current object\r
+ addn usx(a), usy(a)\r
\r
+ ' Update the y-coordinate of the current object\r
+ usy(a) = usy(a) + 1\r
\r
+ ' Check if the y-coordinate exceeds the screen height\r
+ IF usy(a) > 13 THEN usy(a) = 0\r
+\r
+ ' Decrease the usage count of the current object\r
+ uso(a) = uso(a) - 1\r
+NEXT a\r
+\r
+' Update the screen\r
FOR y = 0 TO 13\r
-FOR x = 0 TO 18\r
-a = pat(x, y)\r
-a = a + 1\r
-IF a = 2 THEN pah(x, y) = 2: pt x, y\r
-IF a = 5 THEN pah(x, y) = 3: pt x, y\r
-IF a = 30 THEN pag(x, y) = 0: pt x, y\r
-pat(x, y) = a\r
-NEXT x\r
+ FOR x = 0 TO 18\r
+ ' Get the current pixel value\r
+ a = pat(x, y)\r
+\r
+ ' Increment the pixel value\r
+ a = a + 1\r
+\r
+ ' Check if the pixel value is equal to 2\r
+ IF a = 2 THEN\r
+ pah(x, y) = 2\r
+ pt x, y\r
+\r
+ ' Check if the pixel value is equal to 5\r
+ ELSEIF a = 5 THEN\r
+ pah(x, y) = 3\r
+ pt x, y\r
+\r
+ ' Check if the pixel value is equal to 30\r
+ ELSEIF a = 30 THEN\r
+ pag(x, y) = 0\r
+ pt x, y\r
+ END IF\r
+\r
+ ' Update the pixel value\r
+ pat(x, y) = a\r
+ NEXT x\r
NEXT y\r
\r
+' Wait for a short period of time\r
3\r
IF ABS(tmr - TIMER) < .1 THEN GOTO 3\r
+\r
+' Update the timer\r
tmr = TIMER\r
+\r
+' Check if any key is pressed\r
IF INKEY$ <> "" THEN SYSTEM\r
+\r
+' Go back to the main loop\r
GOTO 2\r
\r
SUB addn (x, y)\r
-pag(x, y) = RND * 8 + 1\r
-pah(x, y) = 1\r
-pat(x, y) = 0\r
-pt x, y\r
+ ' Set a random font for the new pixel\r
+ pag(x, y) = RND * 8 + 1\r
+\r
+ ' Set the palette index for the new pixel\r
+ pah(x, y) = 1\r
\r
+ ' Initialize the pixel value\r
+ pat(x, y) = 0\r
\r
+ ' Draw the new pixel on the screen\r
+ pt x, y\r
END SUB\r
\r
SUB adus (a)\r
-usx(a) = RND * 18\r
-usy(a) = RND * 13\r
-uso(a) = RND * 5 + 3\r
+ ' Set random initial positions for the object\r
+ usx(a) = RND * 18\r
+ usy(a) = RND * 13\r
+\r
+ ' Set a random usage count for the object\r
+ uso(a) = RND * 5 + 3\r
END SUB\r
\r
SUB getfnt\r
-FOR a = 1 TO 9\r
-LOCATE 1, 1\r
-PRINT "Loading:" + STR$(a * 10) + "%"\r
-LINE (49, 49)-(83, 83), 0, BF\r
-putsym 50, 50, a\r
-smo 50, 50, 82, 82, 1\r
-GET (50, 50)-(82, 82), font1(1, a)\r
-\r
-LINE (49, 49)-(83, 83), 0, BF\r
-putsym 50, 50, a\r
-smo 50, 50, 82, 82, 2\r
-GET (50, 50)-(82, 82), font2(1, a)\r
-\r
-LINE (49, 49)-(83, 83), 0, BF\r
-putsym 50, 50, a\r
-smo 50, 50, 82, 82, 3\r
-GET (50, 50)-(82, 82), font3(1, a)\r
+ ' Load fonts from the screen\r
+ FOR a = 1 TO 9\r
+ LOCATE 1, 1\r
\r
-NEXT a\r
-CLS\r
-END SUB\r
+ ' Print the loading progress\r
+ PRINT "Loading: " + STR$(a * 10) + "%"\r
\r
-SUB pt (x, y)\r
-x1 = x * 32 + 12\r
-y1 = y * 32 + 15\r
-\r
-a = pag(x, y)\r
-b = pah(x, y)\r
-\r
-IF a = 0 THEN\r
-LINE (x1, y1)-(x1 + 32, y1 + 32), 0, BF\r
-ELSE\r
-SELECT CASE b\r
-CASE 1\r
-PUT (x1, y1), font1(1, a), PSET\r
-CASE 2\r
-PUT (x1, y1), font2(1, a), PSET\r
-CASE 3\r
-PUT (x1, y1), font3(1, a), PSET\r
-END SELECT\r
-END IF\r
+ ' Draw a square on the screen\r
+ LINE (49, 49)-(83, 83), 0, BF\r
\r
-END SUB\r
+ ' Draw a symbol on the screen\r
+ putsym 50, 50, a\r
\r
-SUB putsym (x, y, a)\r
-SELECT CASE a\r
-CASE 1\r
-LINE (x + 10, y + 5)-(x + 10, y + 20), 14\r
-LINE (x + 5, y + 15)-(x + 20, y + 15), 14\r
-LINE (x + 15, y + 25)-(x + 20, y + 25), 14\r
-LINE (x + 20, y + 25)-(x + 25, y + 20), 14\r
-LINE (x + 25, y + 20)-(x + 25, y + 5), 14\r
-CASE 2\r
-LINE (x + 5, y + 15)-(x + 25, y + 10), 14\r
-LINE (x + 15, y + 5)-(x + 10, y + 25), 14\r
-LINE (x + 25, y + 5)-(x + 20, y + 20), 14\r
-LINE (x + 20, y + 30)-(x + 30, y + 20), 14\r
-CASE 3\r
-LINE (x + 5, y + 5)-(x + 5, y + 25), 14\r
-LINE (x + 5, y + 5)-(x + 25, y + 25), 14\r
-LINE (x + 5, y + 25)-(x + 25, y + 25), 14\r
-LINE (x + 10, y + 10)-(x + 25, y + 5), 14\r
-CASE 4\r
-LINE (x + 10, y + 5)-(x + 20, y + 5), 14\r
-LINE (x + 20, y + 5)-(x + 25, y + 10), 14\r
-LINE (x + 25, y + 20)-(x + 20, y + 25), 14\r
-LINE (x + 20, y + 25)-(x + 10, y + 25), 14\r
-LINE (x + 10, y + 25)-(x + 10, y + 5), 14\r
-LINE (x + 5, y + 15)-(x + 20, y + 15), 14\r
-CASE 5\r
-LINE (x + 5, y + 5)-(x + 10, y + 10), 14\r
-LINE (x + 10, y + 10)-(x + 10, y + 25), 14\r
-LINE (x + 10, y + 25)-(x + 5, y + 30), 14\r
-LINE (x + 10, y + 25)-(x + 15, y + 30), 14\r
-LINE (x + 15, y + 30)-(x + 25, y + 30), 14\r
-LINE (x + 10, y + 20)-(x + 25, y + 20), 14\r
-CASE 6\r
-LINE (x + 5, y + 5)-(x + 10, y + 5), 14\r
-LINE (x + 5, y + 5)-(x + 5, y + 10), 14\r
-LINE (x + 10, y + 10)-(x + 10, y + 15), 14\r
-LINE (x + 10, y + 15)-(x + 20, y + 30), 14\r
-LINE (x + 20, y + 30)-(x + 25, y + 30), 14\r
-LINE (x + 5, y + 30)-(x + 10, y + 30), 14\r
-LINE (x + 25, y + 15)-(x + 10, y + 30), 14\r
-CASE 7\r
-LINE (x + 5, y + 15)-(x + 10, y + 15), 14\r
-LINE (x + 10, y + 15)-(x + 25, y + 5), 14\r
-LINE (x + 5, y + 25)-(x + 10, y + 25), 14\r
-LINE (x + 10, y + 25)-(x + 15, y + 5), 14\r
-LINE (x + 20, y + 5)-(x + 20, y + 20), 14\r
-PSET (x + 15, y + 25), 14\r
-PSET (x + 22, y + 25), 14\r
-CASE 8\r
-'line (x+,y+)-(x+,y+),15\r
-LINE (x + 15, y + 10)-(x + 15, y + 25), 14\r
-LINE (x + 20, y + 15)-(x + 20, y + 25), 14\r
-LINE (x + 5, y + 20)-(x + 10, y + 25), 14\r
-LINE (x + 10, y + 25)-(x + 25, y + 25), 14\r
-CASE 9\r
-LINE (x + 5, y + 5)-(x + 25, y + 5), 14\r
-LINE (x + 15, y + 5)-(x + 5, y + 20), 14\r
-LINE (x + 15, y + 5)-(x + 25, y + 20), 14\r
-LINE (x + 15, y + 5)-(x + 15, y + 25), 14\r
-LINE (x + 5, y + 30)-(x + 20, y + 20), 14\r
-\r
-END SELECT\r
+ ' Smooth the symbol\r
+ smo 50, 50, 82, 82, 1\r
+\r
+ ' Get the smoothed symbol from the screen\r
+ GET (50, 50)-(82, 82), font1(1, a)\r
+\r
+ ' Draw another square on the screen\r
+ LINE (49, 49)-(83, 83), 0, BF\r
+\r
+ ' Draw another symbol on the screen\r
+ putsym 50, 50, a\r
+\r
+ ' Smooth the other symbol\r
+ smo 50, 50, 82, 82, 2\r
+\r
+ ' Get the smoothed symbol from the screen\r
+ GET (50, 50)-(82, 82), font2(1, a)\r
+\r
+ ' Draw yet another square on the screen\r
+ LINE (49, 49)-(83, 83), 0, BF\r
\r
+ ' Draw yet another symbol on the screen\r
+ putsym 50, 50, a\r
\r
+ ' Smooth the last symbol\r
+ smo 50, 50, 82, 82, 3\r
\r
+ ' Get the smoothed symbol from the screen\r
+ GET (50, 50)-(82, 82), font3(1, a)\r
+ NEXT a\r
\r
+ ' Clear the screen\r
+ CLS\r
+END SUB\r
+\r
+SUB pt (x, y)\r
+ ' Calculate the screen coordinates for the pixel\r
+ x1 = x * 32 + 12\r
+ y1 = y * 32 + 15\r
+\r
+ ' Get the current font and palette index\r
+ a = pag(x, y)\r
+ b = pah(x, y)\r
+\r
+ ' Check if the pixel is empty\r
+ IF a = 0 THEN\r
+ ' Draw an empty square on the screen\r
+ LINE (x1, y1)-(x1 + 32, y1 + 32), 0, BF\r
+ ELSE\r
+ ' Select the appropriate font based on the palette index\r
+ SELECT CASE b\r
+ CASE 1\r
+ ' Draw the pixel using the first font\r
+ PUT (x1, y1), font1(1, a), PSET\r
+ CASE 2\r
+ ' Draw the pixel using the second font\r
+ PUT (x1, y1), font2(1, a), PSET\r
+ CASE 3\r
+ ' Draw the pixel using the third font\r
+ PUT (x1, y1), font3(1, a), PSET\r
+ END SELECT\r
+ END IF\r
+END SUB\r
+\r
+SUB putsym (x, y, a)\r
+ ' Select the appropriate symbol based on the input value\r
+ SELECT CASE a\r
+ CASE 1\r
+ ' Draw the first symbol\r
+ LINE (x + 10, y + 5)-(x + 10, y + 20), 14\r
+ LINE (x + 5, y + 15)-(x + 20, y + 15), 14\r
+ LINE (x + 15, y + 25)-(x + 20, y + 25), 14\r
+ LINE (x + 20, y + 25)-(x + 25, y + 20), 14\r
+ LINE (x + 25, y + 20)-(x + 25, y + 5), 14\r
+ CASE 2\r
+ ' Draw the second symbol\r
+ LINE (x + 5, y + 15)-(x + 25, y + 10), 14\r
+ LINE (x + 15, y + 5)-(x + 10, y + 25), 14\r
+ LINE (x + 25, y + 5)-(x + 20, y + 20), 14\r
+ LINE (x + 20, y + 30)-(x + 30, y + 20), 14\r
+ CASE 3\r
+ ' Draw the third symbol\r
+ LINE (x + 5, y + 5)-(x + 5, y + 25), 14\r
+ LINE (x + 5, y + 5)-(x + 25, y + 25), 14\r
+ LINE (x + 5, y + 25)-(x + 25, y + 25), 14\r
+ LINE (x + 10, y + 10)-(x + 25, y + 5), 14\r
+ CASE 4\r
+ ' Draw the fourth symbol\r
+ LINE (x + 10, y + 5)-(x + 20, y + 5), 14\r
+ LINE (x + 20, y + 5)-(x + 25, y + 10), 14\r
+ LINE (x + 25, y + 20)-(x + 20, y + 25), 14\r
+ LINE (x + 20, y + 25)-(x + 10, y + 25), 14\r
+ LINE (x + 10, y + 25)-(x + 10, y + 5), 14\r
+ LINE (x + 5, y + 15)-(x + 20, y + 15), 14\r
+ CASE 5\r
+ ' Draw the fifth symbol\r
+ LINE (x + 5, y + 5)-(x + 10, y + 10), 14\r
+ LINE (x + 10, y + 10)-(x + 10, y + 25), 14\r
+ LINE (x + 10, y + 25)-(x + 5, y + 30), 14\r
+ LINE (x + 10, y + 25)-(x + 15, y + 30), 14\r
+ LINE (x + 15, y + 30)-(x + 25, y + 30), 14\r
+ LINE (x + 10, y + 20)-(x + 25, y + 20), 14\r
+ CASE 6\r
+ ' Draw the sixth symbol\r
+ LINE (x + 5, y + 5)-(x + 10, y + 5), 14\r
+ LINE (x + 5, y + 5)-(x + 5, y + 10), 14\r
+ LINE (x + 10, y + 10)-(x + 10, y + 15), 14\r
+ LINE (x + 10, y + 15)-(x + 20, y + 30), 14\r
+ LINE (x + 20, y + 30)-(x + 25, y + 30), 14\r
+ LINE (x + 5, y + 30)-(x + 10, y + 30), 14\r
+ LINE (x + 25, y + 15)-(x + 10, y + 30), 14\r
+ CASE 7\r
+ ' Draw the seventh symbol\r
+ LINE (x + 5, y + 15)-(x + 10, y + 15), 14\r
+ LINE (x + 10, y + 15)-(x + 25, y + 5), 14\r
+ LINE (x + 5, y + 25)-(x + 10, y + 25), 14\r
+ LINE (x + 10, y + 25)-(x + 15, y + 5), 14\r
+ LINE (x + 20, y + 5)-(x + 20, y + 20), 14\r
+ PSET (x + 15, y + 25), 14\r
+ PSET (x + 22, y + 25), 14\r
+ CASE 8\r
+ ' Draw the eighth symbol\r
+ LINE (x + 15, y + 10)-(x + 15, y + 25), 14\r
+ LINE (x + 20, y + 15)-(x + 20, y + 25), 14\r
+ LINE (x + 5, y + 20)-(x + 10, y + 25), 14\r
+ LINE (x + 10, y + 25)-(x + 25, y + 25), 14\r
+ CASE 9\r
+ ' Draw the ninth symbol\r
+ LINE (x + 5, y + 5)-(x + 25, y + 5), 14\r
+ LINE (x + 15, y + 5)-(x + 5, y + 20), 14\r
+ LINE (x + 15, y + 5)-(x + 25, y + 20), 14\r
+ LINE (x + 15, y + 5)-(x + 15, y + 25), 14\r
+ LINE (x + 5, y + 30)-(x + 20, y + 20), 14\r
+ END SELECT\r
END SUB\r
\r
SUB setpal (b)\r
-SELECT CASE b\r
-CASE 2\r
-FOR a = 0 TO 14\r
-OUT &H3C8, a\r
-OUT &H3C9, a * 2\r
-OUT &H3C9, a * 4.5\r
-OUT &H3C9, a * 3\r
-NEXT a\r
-CASE 1\r
-FOR a = 0 TO 14\r
-OUT &H3C8, a\r
-OUT &H3C9, 0\r
-OUT &H3C9, 0\r
-OUT &H3C9, 0\r
-NEXT a\r
-OUT &H3C8, 15\r
-OUT &H3C9, 20\r
-OUT &H3C9, 63\r
-OUT &H3C9, 63\r
-END SELECT\r
+ ' Set the color palette based on the input value\r
+ SELECT CASE b\r
+ CASE 2\r
+ ' Set the colors for palette 2\r
+ FOR a = 0 TO 14\r
+ OUT &H3C8, a\r
+ OUT &H3C9, a * 2\r
+ OUT &H3C9, a * 4.5\r
+ OUT &H3C9, a * 3\r
+ NEXT a\r
+ CASE 1\r
+ ' Set the colors for palette 1\r
+ FOR a = 0 TO 14\r
+ OUT &H3C8, a\r
+ OUT &H3C9, 0\r
+ OUT &H3C9, 0\r
+ OUT &H3C9, 0\r
+ NEXT a\r
+ ' Set the color for the background\r
+ OUT &H3C8, 15\r
+ OUT &H3C9, 20\r
+ OUT &H3C9, 63\r
+ OUT &H3C9, 63\r
+ END SELECT\r
END SUB\r
\r
SUB smo (x1, y1, x2, y2, r)\r
+ ' Initialize the smoothing variable\r
+ c1 = 0\r
\r
-c1 = 0\r
+ ' Perform horizontal smoothing\r
+ FOR y = y1 TO y2\r
+ FOR x = x1 TO x2\r
+ ' Get the current pixel value\r
+ c = POINT(x, y)\r
\r
-FOR y = y1 TO y2\r
-FOR x = x1 TO x2\r
-c = POINT(x, y)\r
-c1 = c1 - 5\r
-IF c1 < 0 THEN c1 = 0\r
-IF c > c1 THEN c1 = c\r
-PSET (x, y), c1\r
-NEXT x\r
-NEXT y\r
+ ' Update the smoothing variable\r
+ c1 = c1 - 5\r
\r
-FOR x = x1 TO x2\r
-c1 = 0\r
-FOR y = y1 TO y2\r
-c = POINT(x, y)\r
-c1 = c1 - 5\r
-IF c1 < 0 THEN c1 = 0\r
-IF c > c1 THEN c1 = c\r
-PSET (x, y), c1\r
-NEXT y\r
-NEXT x\r
- \r
-\r
-FOR y = y1 TO y2\r
-c1 = 0\r
-FOR x = x2 TO x1 STEP -1\r
-c = POINT(x, y)\r
-c1 = c1 - 5\r
-IF c1 < 0 THEN c1 = 0\r
-IF c > c1 THEN c1 = c\r
-PSET (x, y), c1\r
-NEXT x\r
-NEXT y\r
+ ' Ensure the smoothing variable is non-negative\r
+ IF c1 < 0 THEN c1 = 0\r
\r
+ ' Update the smoothing variable if the current pixel value is greater\r
+ IF c > c1 THEN c1 = c\r
+\r
+ ' Set the smoothed pixel value\r
+ PSET (x, y), c1\r
+ NEXT x\r
+ NEXT y\r
\r
-FOR x = x1 TO x2\r
-c1 = 0\r
-FOR y = y2 TO y1 STEP -1\r
-c = POINT(x, y)\r
-c1 = c1 - 5\r
-IF c1 < 0 THEN c1 = 0\r
-IF c > c1 THEN c1 = c\r
-PSET (x, y), c1\r
-NEXT y\r
-NEXT x\r
+ ' Perform vertical smoothing\r
+ FOR x = x1 TO x2\r
+ c1 = 0\r
+ FOR y = y1 TO y2\r
+ ' Get the current pixel value\r
+ c = POINT(x, y)\r
\r
+ ' Update the smoothing variable\r
+ c1 = c1 - 5\r
\r
+ ' Ensure the smoothing variable is non-negative\r
+ IF c1 < 0 THEN c1 = 0\r
+\r
+ ' Update the smoothing variable if the current pixel value is greater\r
+ IF c > c1 THEN c1 = c\r
+\r
+ ' Set the smoothed pixel value\r
+ PSET (x, y), c1\r
+ NEXT y\r
+ NEXT x\r
+\r
+ ' Perform diagonal smoothing\r
+ FOR y = y1 TO y2\r
+ c1 = 0\r
+ FOR x = x1 TO x2\r
+ ' Get the current pixel value\r
+ c = POINT(x, y)\r
\r
+ ' Update the smoothing variable\r
+ c1 = c1 - 5\r
\r
-IF r = 1 THEN GOTO 1\r
-rr = r + 1\r
+ ' Ensure the smoothing variable is non-negative\r
+ IF c1 < 0 THEN c1 = 0\r
+\r
+ ' Update the smoothing variable if the current pixel value is greater\r
+ IF c > c1 THEN c1 = c\r
+\r
+ ' Set the smoothed pixel value\r
+ PSET (x, y), c1\r
+ NEXT x\r
+ NEXT y\r
+\r
+ ' Perform diagonal smoothing in the opposite direction\r
+ FOR x = x1 TO x2\r
+ c1 = 0\r
+ FOR y = y2 TO y1 STEP -1\r
+ ' Get the current pixel value\r
+ c = POINT(x, y)\r
+\r
+ ' Update the smoothing variable\r
+ c1 = c1 - 5\r
\r
+ ' Ensure the smoothing variable is non-negative\r
+ IF c1 < 0 THEN c1 = 0\r
\r
-FOR y = y1 TO y2\r
-c1 = 0\r
-FOR x = x1 TO x2\r
-c = POINT(x, y)\r
-c1 = (c1 * r + c) / rr\r
-c2 = c1 - r\r
-IF c2 < 0 THEN c2 = 0\r
-PSET (x, y), c2\r
-NEXT x\r
-NEXT y\r
+ ' Update the smoothing variable if the current pixel value is greater\r
+ IF c > c1 THEN c1 = c\r
\r
-FOR x = x1 TO x2\r
-c1 = 0\r
-FOR y = y1 TO y2\r
-c = POINT(x, y)\r
-c1 = c1 - 5\r
-IF c1 < 0 THEN c1 = 0\r
-IF c > c1 THEN c1 = c\r
-PSET (x, y), c1\r
-NEXT y\r
-NEXT x\r
-\r
-\r
-FOR y = y1 TO y2\r
-c1 = 0\r
-FOR x = x2 TO x1 STEP -1\r
-c = POINT(x, y)\r
-c1 = c1 - 5\r
-IF c1 < 0 THEN c1 = 0\r
-IF c > c1 THEN c1 = c\r
-PSET (x, y), c1\r
-NEXT x\r
-NEXT y\r
+ ' Set the smoothed pixel value\r
+ PSET (x, y), c1\r
+ NEXT y\r
+ NEXT x\r
\r
+ ' Check if the recursion depth is equal to 1\r
+ IF r = 1 THEN GOTO 1\r
\r
-FOR x = x1 TO x2\r
-c1 = 0\r
-FOR y = y2 TO y1 STEP -1\r
-c = POINT(x, y)\r
-c1 = c1 - 5\r
-IF c1 < 0 THEN c1 = 0\r
-IF c > c1 THEN c1 = c\r
-PSET (x, y), c1\r
-NEXT y\r
-NEXT x\r
+ ' Increment the recursion depth\r
+ rr = r + 1\r
\r
-1\r
+ ' Perform horizontal smoothing with averaging\r
+ FOR y = y1 TO y2\r
+ c1 = 0\r
+ FOR x = x1 TO x2\r
+ ' Get the current pixel value\r
+ c = POINT(x, y)\r
+\r
+ ' Update the smoothed pixel value using averaging\r
+ c1 = (c1 * r + c) / rr\r
+\r
+ ' Ensure the smoothed pixel value is non-negative\r
+ c2 = c1 - r\r
+\r
+ IF c2 < 0 THEN c2 = 0\r
+\r
+ ' Set the final smoothed pixel value\r
+ PSET (x, y), c2\r
+ NEXT x\r
+ NEXT y\r
\r
+ ' Perform vertical smoothing with averaging\r
+ FOR x = x1 TO x2\r
+ c1 = 0\r
+ FOR y = y1 TO y2\r
+ ' Get the current pixel value\r
+ c = POINT(x, y)\r
+\r
+ ' Update the smoothing variable\r
+ c1 = c1 - 5\r
\r
+ ' Ensure the smoothing variable is non-negative\r
+ IF c1 < 0 THEN c1 = 0\r
\r
+ ' Update the smoothing variable if the current pixel value is greater\r
+ IF c > c1 THEN c1 = c\r
+\r
+ ' Set the smoothed pixel value\r
+ PSET (x, y), c1\r
+ NEXT y\r
+ NEXT x\r
+\r
+ ' Perform diagonal smoothing with averaging\r
+ FOR y = y1 TO y2\r
+ c1 = 0\r
+ FOR x = x2 TO x1 STEP -1\r
+ ' Get the current pixel value\r
+ c = POINT(x, y)\r
+\r
+ ' Update the smoothing variable\r
+ c1 = c1 - 5\r
+\r
+ ' Ensure the smoothing variable is non-negative\r
+ IF c1 < 0 THEN c1 = 0\r
+\r
+ ' Update the smoothing variable if the current pixel value is greater\r
+ IF c > c1 THEN c1 = c\r
+\r
+ ' Set the smoothed pixel value\r
+ PSET (x, y), c1\r
+ NEXT x\r
+ NEXT y\r
+\r
+ ' Perform diagonal smoothing in the opposite direction with averaging\r
+ FOR x = x1 TO x2\r
+ c1 = 0\r
+ FOR y = y2 TO y1 STEP -1\r
+ ' Get the current pixel value\r
+ c = POINT(x, y)\r
+\r
+ ' Update the smoothing variable\r
+ c1 = c1 - 5\r
+\r
+ ' Ensure the smoothing variable is non-negative\r
+ IF c1 < 0 THEN c1 = 0\r
+\r
+ ' Update the smoothing variable if the current pixel value is greater\r
+ IF c > c1 THEN c1 = c\r
+\r
+ ' Set the smoothed pixel value\r
+ PSET (x, y), c1\r
+ NEXT y\r
+ NEXT x\r
+\r
+1\r
END SUB\r
\r
SUB start\r
-SCREEN 12\r
-setpal 1\r
-getfnt\r
-setpal 2\r
+ ' Set the screen mode to 12\r
+ SCREEN 12\r
+\r
+ ' Set the color palette to 1\r
+ setpal 1\r
+\r
+ ' Load the fonts\r
+ getfnt\r
\r
+ ' Set the color palette to 2\r
+ setpal 2\r
END SUB\r
\r
projects / qbasicapps.git / commitdiff