32 lines
776 B
C
32 lines
776 B
C
#include "radar.h"
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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double compute_distance(struct point a, struct point b){
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return sqrt( pow((b.x - a.x),2) + pow((b.y - a.y),2) );
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}
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int is_in_area(struct point center, double radius, struct point point){
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int rslt = compute_distance(center, point);
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if(rslt > radius) return 0;
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return 1;
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}
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size_t detect_points(struct point center, double range, struct point *interesting_points, size_t nb_points){
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size_t found = 0;
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for(size_t i = 0; i < nb_points; i++){
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if(is_in_area(center, range,interesting_points[i]) == 1){
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printf("{%f, %f}\n",interesting_points[i].x, interesting_points[i].y);
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found ++;
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}
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}
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return found;
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}
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