mirror of https://github.com/nmlgc/ReC98.git
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/* ReC98
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* -----
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* Code segment #5 of TH02's MAINE.EXE
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*/
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#include "th02\th02.h"
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void pascal near rotrect_draw(int rad, unsigned char angle)
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{
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int x[4], y[4];
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int i;
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for(i = 0; i < 4; i++) {
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x[i] = ((rad * (long)CosTable8[angle]) >> 8) + 192;
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y[i] = ((rad * (long)SinTable8[angle]) >> 8) + 200;
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if(i & 1) {
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angle += 81;
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} else {
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angle += 47;
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}
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}
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grcg_line(x[0], y[0], x[1], y[1]);
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grcg_line(x[1], y[1], x[2], y[2]);
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grcg_line(x[2], y[2], x[3], y[3]);
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grcg_line(x[3], y[3], x[0], y[0]);
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}
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#include "th01\hardware\egccopyr.c"
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void pascal rotrect_animate(char rot_speed, char start_angle)
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{
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int rads[] = {256, 256, 256, 256, 256};
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char angles[] = {41, 41, 41, 41, 41};
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int i, j;
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for(i = 0; i < 5; i++) {
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angles[i] = start_angle;
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}
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grcg_setcolor(GC_RMW, 0);
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grcg_boxfill(0, 0, 384, 399);
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for(i = 0; i < 20; i++) {
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grcg_setcolor(GC_RMW, 0);
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rotrect_draw(rads[0], angles[0]);
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angles[0] = angles[1];
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rads[0] = rads[1];
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grcg_setcolor(GC_RMW, 4);
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for(j = 1; j < 4; j++) {
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rotrect_draw(rads[j], angles[j]);
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angles[j] = angles[j+1];
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rads[j] = rads[j+1];
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}
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grcg_setcolor(GC_RMW, 15);
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if(i < 16) {
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rads[4] -= 4;
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angles[4] += rot_speed;
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}
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rotrect_draw(rads[4], angles[4]);
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frame_delay(1);
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}
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grcg_setcolor(GC_RMW, 0);
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grcg_boxfill(0, 0, 384, 399);
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grcg_setcolor(GC_RMW, 15);
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grcg_line(356, 96, 356, 304);
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grcg_line(356, 304, 28, 304);
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grcg_line( 28, 304, 28, 96);
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grcg_line( 28, 96, 356, 96);
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grcg_off();
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palette_white();
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}
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