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| ts=0.07;ps=0.02;A=B=0; | |
| while(1){ j=i=0;z=rep(0,1760); | |
| b=rep(' ',1760); while(j < 6.28){ | |
| j=j+ts;i=0;while(i<6.28){i=i+ps;c= | |
| sin(i);l=cos(i); d=cos(j);f=sin(j); | |
| e=sin(A);g=cos(A );h=d+2;D=1/(c*h*e+ | |
| f*g+5);m=cos(B) ;n=sin(B);t=c*h*g- | |
| f*e;x=as.integer (40+30*D*(l*h*m-t*n)); | |
| y=as.integer(12+ 15*D*(l*h*n+t*m)); | |
| o=as.integer(x+( 80*y));N=as.integer( | |
| 8*((f*e-c*d*g)*m- c*d*e-f*g-l*d*n));st= | |
| c('.',',','-','~', ':',';','=','!','*', | |
| '#','$','@');if(22> y&&y>0&&80 >x&&x>0&& | |
| D>z[o]){z[o]=D;b[o]=st[ifelse(N>0,N,1)]}}}; | |
| lines=apply(matrix(b,ncol=80,byrow=T),1, | |
| paste,collapse="");cat("\014");cat( | |
| '\x1b[H');for(ll in seq_along( | |
| lines)){cat(lines[ll],"\n")} | |
| A=A+0.04;B=B+0.02} |
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| donut <- function(frames=Inf) { | |
| ts <- 0.07 | |
| ps <- 0.02 | |
| A <- 0 | |
| B <- 0 | |
| ff <- 0 | |
| while (ff <= frames) { | |
| ff <- ff + 1 | |
| j <- i <- 0 | |
| z <- rep(0, 1760) | |
| b <- rep(' ', 1760) | |
| while (j < 6.28) { | |
| j <- j + ts | |
| i <- 0 | |
| while (i < 6.28) { | |
| i <- i + ps | |
| c <- sin(i) | |
| l <- cos(i) | |
| d <- cos(j) | |
| f <- sin(j) | |
| e <- sin(A) | |
| g <- cos(A) | |
| h <- d+2 | |
| D <- 1/(c*h*e+f*g+5) | |
| m <- cos(B) | |
| n <- sin(B) | |
| t <- c*h*g-f*e | |
| x <- as.integer(40+30*D*(l*h*m-t*n)) | |
| y <- as.integer(12+15*D*(l*h*n+t*m)) | |
| o <- as.integer(x+(80*y)) | |
| N <- as.integer(8*((f*e-c*d*g)*m-c*d*e-f*g-l*d*n)) | |
| st <- c('.',',','-','~',':',';','=','!','*','#','$','@') | |
| if (22 > y && y > 0 && 80 > x && x > 0 && D > z[o]) { | |
| z[o] <- D | |
| b[o] <- st[ifelse(N > 0, N, 1)] | |
| } | |
| } | |
| } | |
| lines <- apply(matrix(b, ncol=80, byrow = T), 1, paste, collapse = "") | |
| cat("\014") | |
| cat('\x1b[H') | |
| for (ll in seq_along(lines)) { | |
| cat(lines[ll], "\n") | |
| } | |
| A <- A + 0.04 | |
| B <- B + 0.02 | |
| } | |
| } | |
| donut() |
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