110 lines
1.9 KiB
C
110 lines
1.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <graph.h>
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#include <math.h>
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#include "graph_sup.h"
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struct vertex {
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double x;
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double y;
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struct vertex* next;
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};
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typedef struct vertex vert;
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typedef vert* poly;
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double rad(double deg) {
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return deg/180 * M_PI;
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}
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poly makeTri(double x, double y, double r) {
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vert* p1 = malloc(sizeof(vert));
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p1->x = x + cos(rad(30)) * r;
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p1->y = y + sin(rad(30)) * r;
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vert* p2 = malloc(sizeof(vert));
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p2->x = x + cos(rad(150)) * r;
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p2->y = y + sin(rad(150)) * r;
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vert* p3 = malloc(sizeof(vert));
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p3->x = x + cos(rad(270)) * r;
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p3->y = y + sin(rad(270)) * r;
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p1->next = p2;
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p2->next = p3;
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p3->next = p1;
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return p1;
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}
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void incPoly(poly* tri_add) {
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poly tri = *tri_add;
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vert* start = tri;
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int has_started = 0;
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while (tri != start || has_started == 0) {
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has_started = 1;
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int x = tri->x;
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int y = tri->y;
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vert* next = tri->next;
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int xx = next->x;
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int yy = next->y;
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vert* p1 = malloc(sizeof(vert));
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vert* p2 = malloc(sizeof(vert));
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vert* p3 = malloc(sizeof(vert));
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double tx = (xx - x) / 3;
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double ty = (yy - y) / 3;
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p1->x = x + tx;
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p1->y = y + ty;
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p3->x = x + tx * 2;
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p3->y = y + ty * 2;
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p2->x = p1->x + (cos(rad(-60)) * tx - sin(rad(-60)) * ty);
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p2->y = p1->y + (sin(rad(-60)) * tx + cos(rad(-60)) * ty);
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tri->next = p1;
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p1->next = p2;
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p2->next = p3;
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p3->next = next;
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tri = tri->next->next->next->next;
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}
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}
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void drawPoly(poly tri) {
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vert* start = tri;
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int has_started = 0;
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while (tri != start || has_started == 0) {
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has_started = 1;
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int x = tri->x;
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int y = tri->y;
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vert* next = tri->next;
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int xx = next->x;
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int yy = next->y;
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tri = tri->next;
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DessinerSegment(x, y, xx, yy);
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}
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}
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int main(int argc, char * argv[]) {
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poly tri = makeTri(1920/2, 1080/2, 550);
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InitialiserGraphique();
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CreerFenetre(100, 100, 1920, 1080);
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SetColor(255, 0, 0);
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for (int i = 0; i < 10; i++) incPoly(&tri);
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drawPoly(tri);
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Touche();
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FermerGraphique();
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return EXIT_SUCCESS;
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}
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