1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
#include <cini.h>
#define WIDTH 400
#define HEIGHT 400
int position(int a, int b, int x, int y){
// t(z) = az+b
// y(x) = alpha x + beta
int straight_line_y = a*x+b;
if (straight_line_y > y) return 1;
if (straight_line_y < y) return -1;
return 0;
}
void affiche(int a, int b, int width, int height){
for (int x = 0; x < width; x++){
for (int y = 0; y < height; y++){
int pos = position(a, b, x, y);
char* color;
if (pos == 1) color = "red";
else if (pos == -1) color = "blue";
else color = "black";
CINI_draw_pixel(x, y, color);
}
}
}
int main(){
CINI_open_window(WIDTH, HEIGHT, "Hello");
CINI_fill_window("white");
affiche(1, 0, WIDTH, HEIGHT);
CINI_loop();
return 0;
}
|
