main.c

#include "graphmath.h"

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#ifndef __WIN32
	#define __USE_XOPEN /* required for useconds_t */
	#include <unistd.h>
	int usleep(useconds_t usec);
	#define CROSS_SLEEP(ms) usleep(ms * 1000)
	#define CLEAR_CONSOLE() system("clear")
#else
	#include <windows.h>
	#define CROSS_SLEEP(ms) Sleep(ms)
	#define CLEAR_CONSOLE() system("cls")
#endif

int main(void){
	const size_t s_points = 8;
	const float cl = 5.0f;
	vec3 points[8] = {
		(vec3){cl, cl, cl},//CUBE
		(vec3){cl, -cl, cl},
		(vec3){cl, -cl, -cl},
		(vec3){cl, cl, -cl},
		(vec3){-cl, cl, cl},
		(vec3){-cl, -cl, cl},
		(vec3){-cl, -cl, -cl},
		(vec3){-cl, cl, -cl},
		/*(vec3){0.0f, cl, 0.0f},//TRIANGLE
		(vec3){0.0f, -cl, -cl},
		(vec3){0.0f, -cl, cl},*/
		/*(vec3){cl, cl, 0.0f},//TETRAHEDRON
		(vec3){cl, -cl, -cl},
		(vec3){cl, -cl, cl},
		(vec3){-cl, 0.0f, 0.0f},*/
	};

	vec3 theta = (vec3){0.0f, 0.0f, 0.0f};

	vec2 v2;
	vec3 v3;
	char c;
	const int width = 20*2;
	const int height = 20*2;
	while(1){
	for(int y = height/2; y >= -height/2; --y){
		for(int x = -width/2; x <= width/2; ++x){
			c = ' ';
			for(size_t i = 0; i < s_points; ++i){
				v3 = rotate(points[i], theta);
				v2 = point_projection(v3);
				if(
					lroundf(v2.x) == x &&
					lroundf(v2.y) == y
					) c = '#';
				}
			putchar(c);
			}
		putchar('\n');
	}
//	while(getchar() != '\n');
	CROSS_SLEEP(40);
	CLEAR_CONSOLE();
	theta.z += 3.1415926535f / 24.0f;
	theta.y += 3.1415926535f / 24.0f;
	theta.x += 3.1415926535f / 24.0f;
	if(theta.z >= 3.1415926535f * 2.0f) theta.z = 0.0f;
	if(theta.y >= 3.1415926535f * 2.0f) theta.y = 0.0f;
	if(theta.x >= 3.1415926535f * 2.0f) theta.x = 0.0f;
	}

	return 0;
}