mirror of
https://github.com/deater/dos33fsprogs.git
synced 2025-10-30 17:16:14 +00:00
151 lines
2.9 KiB
C
151 lines
2.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <math.h>
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#include "gr-sim.h"
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static int row_color[40];
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#define ELEMENTS 64
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static int fixed_sin[ELEMENTS][2]={
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{0x00,0x00}, // 0.000000
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{0x00,0x19}, // 0.098017
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{0x00,0x31}, // 0.195090
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{0x00,0x4A}, // 0.290285
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{0x00,0x61}, // 0.382683
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{0x00,0x78}, // 0.471397
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{0x00,0x8E}, // 0.555570
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{0x00,0xA2}, // 0.634393
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{0x00,0xB5}, // 0.707107
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{0x00,0xC5}, // 0.773010
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{0x00,0xD4}, // 0.831470
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{0x00,0xE1}, // 0.881921
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{0x00,0xEC}, // 0.923880
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{0x00,0xF4}, // 0.956940
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{0x00,0xFB}, // 0.980785
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{0x00,0xFE}, // 0.995185
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{0x00,0xFF}, // 1.000000
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{0x00,0xFE}, // 0.995185
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{0x00,0xFB}, // 0.980785
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{0x00,0xF4}, // 0.956940
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{0x00,0xEC}, // 0.923880
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{0x00,0xE1}, // 0.881921
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{0x00,0xD4}, // 0.831470
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{0x00,0xC5}, // 0.773010
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{0x00,0xB5}, // 0.707107
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{0x00,0xA2}, // 0.634393
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{0x00,0x8E}, // 0.555570
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{0x00,0x78}, // 0.471397
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{0x00,0x61}, // 0.382683
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{0x00,0x4A}, // 0.290285
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{0x00,0x31}, // 0.195090
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{0x00,0x19}, // 0.098017
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{0x00,0x00}, // 0.000000
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{0xFF,0xE7}, // -0.098017
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{0xFF,0xCF}, // -0.195090
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{0xFF,0xB6}, // -0.290285
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{0xFF,0x9F}, // -0.382683
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{0xFF,0x88}, // -0.471397
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{0xFF,0x72}, // -0.555570
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{0xFF,0x5E}, // -0.634393
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{0xFF,0x4B}, // -0.707107
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{0xFF,0x3B}, // -0.773010
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{0xFF,0x2C}, // -0.831470
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{0xFF,0x1F}, // -0.881921
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{0xFF,0x14}, // -0.923880
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{0xFF,0x0C}, // -0.956940
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{0xFF,0x05}, // -0.980785
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{0xFF,0x02}, // -0.995185
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{0xFF,0x00}, // -1.000000
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{0xFF,0x02}, // -0.995185
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{0xFF,0x05}, // -0.980785
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{0xFF,0x0C}, // -0.956940
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{0xFF,0x14}, // -0.923880
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{0xFF,0x1F}, // -0.881921
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{0xFF,0x2C}, // -0.831470
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{0xFF,0x3B}, // -0.773010
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{0xFF,0x4B}, // -0.707107
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{0xFF,0x5E}, // -0.634393
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{0xFF,0x72}, // -0.555570
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{0xFF,0x88}, // -0.471397
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{0xFF,0x9F}, // -0.382683
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{0xFF,0xB6}, // -0.290285
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{0xFF,0xCF}, // -0.195090
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{0xFF,0xE7}, // -0.098017
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};
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static int set_row_color(int offset, int color) {
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int y=0,s=0;
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short x;
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offset&=(ELEMENTS-1);
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x=(fixed_sin[offset][0]<<8) | (fixed_sin[offset][1]&0xff);
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y=x>>4;
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if (y<0) s=-1; else if (y==0) s=0; else s=1;
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// printf("Offset=%d Result=%hd y=%d,%d s=%d\n",offset,x,y,y-s,s);
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row_color[y+18]=color;
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row_color[y-s+18]=color;
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return 0;
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}
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int main(int argc, char **argv) {
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int ch,i=0,j,end=3;
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grsim_init();
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gr();
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clear_screens();
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while(1) {
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/* clear old colors */
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for(j=0;j<40;j++) row_color[j]=0;
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gr();
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set_row_color(i+0,14); // aqua
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set_row_color(i+1,6); // med-blue
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set_row_color(i+2,12); // light-green
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set_row_color(i+3,4); // green
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set_row_color(i+4,13); // yellow
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set_row_color(i+5,9); // orange
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set_row_color(i+6,11); // pink
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set_row_color(i+7,1); // red
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for(j=0;j<40;j++) {
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if (row_color[j]) {
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color_equals(row_color[j]);
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hlin(0,0,40,j);
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}
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}
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grsim_update();
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ch=grsim_input();
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if (ch=='q') exit(0);
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usleep(100000);
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i++;
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if (i>(ELEMENTS-1)) {
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i=0;
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end--;
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if (end==0) break;
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}
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// printf("\n");
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}
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return 0;
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}
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