Add alt code for 2000/thadgavin
This version allows for delaying between the writing of characters (for curses) or pixels (for SDL). I explained how to reconfigure it in the README.md file. This is useful for more modern systems as well as if you're sensitive to rapid swirling. Typo fixes in README.md.
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Cody Boone Ferguson committed
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@@ -1,2 +1,4 @@
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thadgavin
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thadgavin_sdl
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thadgavin.alt
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thadgavin.alt_sdl
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+11
-4
@@ -57,11 +57,11 @@ ARCH=
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# Defines that are needed to compile
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#
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CDEFINE=
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CDEFINE= -DZ=30 -DZS=150000
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# Include files that are needed to compile
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#
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CINCLUDE=
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CINCLUDE= -include unistd.h
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# Optimization
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#
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@@ -113,8 +113,8 @@ OBJ= ${PROG}.o
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DATA=
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TARGET= ${PROG}
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#
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ALT_OBJ=
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ALT_TARGET=
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ALT_OBJ= ${PROG}.alt.o
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ALT_TARGET= ${PROG}.alt
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#################
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@@ -140,6 +140,13 @@ ${PROG}_sdl: ${PROG}.c
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alt: data ${ALT_TARGET}
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@${TRUE}
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${PROG}.alt: ${PROG}.alt.c
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${CC} ${CFLAGS} $< -o $@ ${LIBS}
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${PROG}.alt_sdl: ${PROG}.alt.c
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${CC} ${CFLAGS} -DSDL `${SDL1_CONFIG} --cflags` $< -o $@ ${LIBS} `${SDL1_CONFIG} --libs`
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# data files
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#
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data: ${DATA}
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@@ -22,7 +22,7 @@ make
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NOTE: the author suggested `-O6` but at least some gcc versions support no more
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than level 3 which is what the Makefile has.
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To use the SDL version works independentlt from the cueses version:
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To use the SDL version that works independently from the curses version:
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```sh
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make thadgavin_sdl
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@@ -37,8 +37,8 @@ Use `thadgavin_sdl` as you would `thadgavin` below.
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./thadgavin
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```
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WARNING: if you are sensitive to rapid movement you should probably avoid
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this entry, both the SDL version and the curses version.
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WARNING: if you are sensitive to rapid movement or if you want to see better
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what is going on then please see the Alternate code section.
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NOTE: in curses mode you might want to type `reset` after execution of this
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program as the program does not call `endwin()`. Using `reset` will clear the
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@@ -51,6 +51,38 @@ screen.
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echo "Do or do not. There is no try."
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```
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## Alternate code:
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An alternate version exists which allows you to slow down the printing of the
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characters, useful for those with modern systems or those who are sensitive to
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rapid moving swirling. To use:
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```sh
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make alt
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```
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To make the SDL version:
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```sh
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make thadgavin.alt_sdl
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```
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If you wish to reconfigure the delay you can do so like:
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```sh
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make -DZ=50 clobber alt
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make -DZS=5000 clobber thadgavin.alt_sdl
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```
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Use `thadgavin.alt` and `thadgavin.alt_sdl` as you would `thadgavin` and
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`thadgavin_sdl` above.
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The default for the curses alt version is 30 and for SDL it is 150000. The
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different macros is because the curses version is already slower but it's better
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to not tie the two values together. The reason for such drastically different
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numbers is because curses is already slower than SDL.
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## Judges' remarks:
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@@ -0,0 +1,93 @@
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int
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X=320 ,Y=200,
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n=0,m, x,y, j=1024;
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double T=44.0 /7,P[
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333333 ],C[5] ={ 0,3,
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0,0,8} ,p=1, B=11.0
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/630, f=0,r = 3,g
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=7,b =13,*q=P, D,*J;
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unsigned char
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U[66666],*v=U,*h,l[5555]
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,c=0,*e,*a,*z;
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#include <math.h>
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#define R1(t) t=(int)(t\
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*123456789 )%j; t/=j;
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#define Rl(C,t)\
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n++[C] = t*n/12;
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#define RI(C) B=-B; R1\
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(r)R1(g )R1(b )for(n\
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=0; n<j; ){ Rl(C ,r)Rl\
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(C,g)Rl(C ,b)++n; }
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#ifdef __DJGPP__
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#include <sys/movedata.h>
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#include <dpmi.h>
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#include <pc.h>
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#define Q(u,v) u##portb(0x3##v
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#define W ; Q(out,C9),*h++/4)
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void F(int i){ __dpmi_regs r
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; if(i){ for(; i>=0; i-=8)while(
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~Q(in,DA)
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)&8^i); for(m=0,z
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=h+j; h <z; m ++){ Q(
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out,C8),m )W W W; ++h; } dosmemput
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(v,X*Y,0xA0000 ); } else{ r.x.ax=
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0x13; __dpmi_int( 0x10,&r); } }
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#elif defined(SDL)
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#include <SDL.h>
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SDL_Surface *s; void
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F(int i){ if (i){ SDL_SetColors(
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s,h,0,256); SDL_UpdateRect
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(s,0,0,0, 0); usleep(ZS); } else { SDL_Init(
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SDL_INIT_VIDEO); s=SDL_SetVideoMode
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(X,Y,8,0); v=s->pixels; } }
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#else
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#include "curses.h"
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void F(i){ if(i){ for(y=0;
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y<X*Y ; y++)
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{ move (y/X,y%X); addch
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((*(v +y)/ 32) [" ."
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",:+" "=@#" ]); usleep(Z); } ; refresh
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(); } else{ initscr
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(),x= COLS&~1,X=x<X?x:X,y=
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LINES &~1,Y=y<Y?y:Y; } }
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#endif
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main(int argc, char **argv)
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{
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F(0);
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for (x=-X/2,y=-Y/2;y<Y/2;++x>=X/2?x=-X/2,y++:4)
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{*q++ = sqrt(x*x+y*y);
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*q++ = atan2(x,y);
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}for (;n<j*2;l[n++]=0);
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for(;;)
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{
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a=l;z=l+j;e=l+j*2;
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if ((p+=B)>1){p=2-p;RI(l+j)}
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else if (p<0){p=-p;RI(l)}
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while(a<l+j) D=p**a+++(1-p)**z++,*e++=D;
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h=l+j*2;
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for (J=P,z=v; z<v+X*Y;){
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D = *J++;
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*z++=fabs(sin((*J+++C[1])*1.5+D*C[0]+C[2]*sin(C[3]+D/C[4]))*255);
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}F(8);
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C[2]+=B; f+=T/360; C[3]+=f;
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if (f>T)
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{C[1] += (f-T)/8;
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if (f>T*2)
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C[0]=sin(f)+sin(f*2)/2;
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}
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}
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}
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@@ -777,6 +777,12 @@ To see the craziness of the SDL fix (because of a terrible design choice of the
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SDL1 developers) see the log for commit
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dd0b26b5d6325e8b6fdef1232156c8bb8c66613f. Be prepared for a surprise!
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Cody also added an alternate version to help see what is going on in more modern
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systems and in case you're sensitive to rapidly moving swirling. See the
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README.md for details on that. Note that this alternate version only will impact
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the curses and the SDL versions as Cody does not have a DOS system to test the
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other version in.
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## [2001/anonymous](2001/anonymous/anonymous.c) ([README.md](2001/anonymous/README.md]))
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