79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
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#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 vec2_ {
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double x;
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double y;
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};
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typedef struct vec2_ vec2;
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struct tri_ {
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vec2 p1;
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vec2 p2;
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vec2 p3;
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};
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typedef struct tri_ tri;
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int level;
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void drawTri(tri trig) {
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vec2 p1 = trig.p1;
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vec2 p2 = trig.p2;
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vec2 p3 = trig.p3;
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DessinerSegment(p1.x, p1.y, p2.x, p2.y);
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DessinerSegment(p2.x, p2.y, p3.x, p3.y);
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DessinerSegment(p3.x, p3.y, p1.x, p1.y);
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}
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tri makeTri(vec2 pos, double size) {
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vec2 p1 = pos;
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vec2 p2 = pos;
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vec2 p3 = pos;
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p2.x += size / 2;
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p3.x -= size / 2;
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p2.y += sqrt((3 * pow(size, 2)) / 4);
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p3.y += sqrt((3 * pow(size, 2)) / 4);
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tri trig = {p1, p2, p3};
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return trig;
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}
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vec2 makeFractal(vec2 pos, double size, int n) {
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if (n == 0) {
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drawTri(makeTri(pos, size));
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makeFractal(pos, size/2, n+1);
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} else if (n < level) {
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tri trig1 = makeTri(pos, size);
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tri trig2 = makeTri(trig1.p2, size);
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tri trig3 = makeTri(trig1.p3, size);
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drawTri(trig1);
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drawTri(trig2);
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drawTri(trig3);
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makeFractal(trig1.p1, size / 2, n+1);
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makeFractal(trig2.p1, size / 2, n+1);
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makeFractal(trig3.p1, size / 2, n+1);
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}
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}
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int main(int argc, char* argv) {
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printf("Niveau de complexité : ");
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scanf("%d", &level);
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vec2 vec = {WIDTH/2, 100};
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InitialiserGraphique();
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CreerFenetre(100, 100, WIDTH, HEIGHT);
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SetColor(0, 0, 0);
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makeFractal(vec, HEIGHT-200, 0);
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Touche();
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FermerGraphique();
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}
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