Cody Boone Ferguson
ff201b7a76
Because of the Makefile improvements I made not too long ago the code does not need #ifndef..#endif to set the values to sleep.
100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
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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void E(void){}
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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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void E(void){}
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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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nodelay(stdscr,1);}}
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void E(void){if(getch()=='q')
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{endwin();exit(0);}}
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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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E();
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}
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}
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