mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-01 01:06:33 +00:00
122 lines
1.5 KiB
C
122 lines
1.5 KiB
C
/* Based on code from "32 BASIC Programs for the Apple Computer" */
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/* by Tom Rugg and Phil Feldman */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "gr-sim.h"
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static int r[11];
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static int xx,yy,j,aa,b,x2,y2,n;
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static void tooo(void) {
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color_equals(r[n]);
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basic_plot(x2,y2);
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grsim_update();
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return;
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}
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static void noo(void) {
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//int t;
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int w;
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// 900
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color_equals(r[0]);
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basic_plot(xx,yy);
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grsim_update();
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if (j==1) return;
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// 920
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w=j/2;
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//t=j-w-1;
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// 930
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for(n=1;n<=w;n++) {
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if (xx==aa) {
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y2=yy; x2=xx+n; tooo();
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x2=xx-n; tooo();
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continue;
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}
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if (yy==b) {
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x2=xx; y2=yy+n; tooo();
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y2=yy-n; tooo();
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continue;
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}
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y2=yy;
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if (xx<aa) {
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x2=xx+n; tooo();
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}
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else {
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x2=xx-n; tooo();
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}
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// 990
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x2=xx;
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if (yy<b) {
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y2=yy+n; tooo();
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}
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else {
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y2=yy-n; tooo();
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}
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}
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return;
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}
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int main(int argc, char **argv) {
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int ch;
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int p,d,m,k,l;
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grsim_init();
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// 120
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gr();
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// 125
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p=19;
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// 130
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aa=p; b=p; d=-1;
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// 135
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m=15;
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label150:
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// 150
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for(j=0;j<=10;j++) {
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r[j]=rand()%m;
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}
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// 180
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d=-d; k=1; l=p;
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if (d<=0) {
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k=p;l=1;
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}
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// 200
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for(j=k;j<=l;j+=d) {
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xx=aa+j; yy=b; noo();
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xx=aa-j; noo();
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xx=aa; yy=b+j; noo();
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yy=b-j; noo();
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xx=aa+j;yy=b+j; noo();
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xx=aa-j;yy=b-j; noo();
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yy=b+j; noo();
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xx=aa+j; yy=b-j; noo();
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}
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for(j=1;j<10;j++) {
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ch=grsim_input();
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if (ch=='q') exit(0);
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if (ch==' ') {
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while(grsim_input()!=' ') usleep(10000);
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}
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usleep(10000);
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}
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goto label150;
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return 0;
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}
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