-
Notifications
You must be signed in to change notification settings - Fork 0
/
gallery.c
60 lines (48 loc) · 1.26 KB
/
gallery.c
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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include "gfx4.h"
void circularlace(int x1, int y1, int radius, int R, int G, int B);
int main() {
int i;
int x, y, R, G, B, radius;
char c;
gfx_open(700, 700, "Emily Gallery of Fractals");
for (i=0; i<=16; i++) {
x = (rand()%500)+100;
y = (rand()%500)+100;
radius = rand()%80;
R = rand()%200;
G = rand()%200;
B = rand()%200;
circularlace(x, y, radius, R, G, B);
}
while(1){
gfx_event_waiting();
if (gfx_event_waiting()) {
c = gfx_wait();
if (c == 'q') break;
}
}
return 0;
}
//Circular Lace
void circularlace(int x1, int y1, int radius, int R, int G, int B) {
int x2, y2;
//Base case
if (radius <= 2) return;
//draw the circles
gfx_color(R, G, B);
gfx_circle(x1, y1, radius);
x2 = (cos(M_PI/3))*radius;
y2 = (sin(M_PI/3))*radius;
//new radius
int radius2 = radius/4;
//Recursive calls
circularlace(x1+radius, y1, radius2, R, G, B); //circle 1 - starting from x=0
circularlace((x1+x2), (y1-y2), radius2, R, G, B); //circle 2
circularlace((x1-x2), (y1-y2), radius2, R, G, B); //circle 3
circularlace(x1-radius, y1, radius2, R, G, B); //circle 4
circularlace((x1-x2), (y1+y2), radius2, R, G, B); //circle 5
circularlace((x1+x2), (y1+y2), radius2, R, G, B); //circle 6
}