Repository navigation
Expand file tree
/
Copy pathfinal_question_solution.c
More file actions
199 lines (192 loc) · 3.13 KB
/
Copy pathfinal_question_solution.c
File metadata and controls
199 lines (192 loc) · 3.13 KB
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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
/* Author: Syed Alfran Ali
Implementation of: final_task_question.pdf */
#include<stdio.h>
#include<graphics.h>
#include<math.h>
#define PI 3.14
double a[1000],b[1000],an[1000],bn[1000],pk,pk1,x,y,x_1,y_1, lx[1000],ly[1000],ddx[1000],ddy[1000];
int x_ref = 350, y_ref = 300,flag=0,xo=300,yo= 300,r=50,x_new = 300,y_new=300,x_new2 = 300,y_new2=300;
void semi()
{
int i;
x = 0;
y = r;
pk = 1-r;
a[flag] = x;
b[flag] = y;
flag++;
if(pk>=0)
{
x_1 = x + 1;
y_1 = y - 1;
}
else if(pk<0)
{
x_1 = x + 1;
y_1 = y;
}
a[flag] = x_1;
b[flag] = y_1;
flag++;
while(x_1<=y_1+1)
{
pk1 =pk + 2*(x+1) + (y_1*y_1 - y*y) - (y_1 - y) + 1;
if(pk1>=0)
{
x_1 = x_1 + 1;
y_1 = y_1 - 1;
}
else if(pk1<0)
{
x_1 = x_1 + 1;
y_1 = y_1;
}
x = a[flag-1];
y = b[flag -1];
a[flag] = x_1;
b[flag] = y_1;
flag++;
pk = pk1;
}
flag--;
int m = flag;
for(i=0;i<m;i++)
{
a[flag] = b[i];
b[flag] = a[i];
flag++;
}
flag--;
m = flag;
for(i=0;i<m;i++)
{
a[flag] = -a[i];
b[flag] = b[i];
flag++;
}
flag--;
m = flag;
for(i=0;i<m;i++)
{
a[flag] = a[i];
b[flag] = -b[i];
flag++;
}
}
void draw()
{
int i;
for(i=0;i<flag;i++)
{
putpixel(xo+a[i],yo+b[i],WHITE);
}
}
void fill()
{
setcolor(GREEN);
sector(xo,yo,330,360,100,100);
setcolor(BLUE);
sector(xo,yo,270,300,150,150);
setcolor(MAGENTA);
sector(xo,yo,210,240,100,100);
setcolor(YELLOW);
sector(xo,yo,150,180,150,150);
setcolor(CYAN);
sector(xo,yo,90,120,100,100);
setcolor(RED);
sector(xo,yo,30,60,150,150);
setcolor(LIGHTGREEN);
sector(xo,yo,300,330,50,50);
sector(xo,yo,240,270,50,50);
sector(xo,yo,180,210,50,50);
sector(xo,yo,120,150,50,50);
sector(xo,yo,60,90,50,50);
sector(xo,yo,0,30,50,50);
}
void dda(int x1, int y1, int x2, int y2)
{
double m = (y2 - y1)/(x2-x1);
int i=0;
i++;
putpixel(x1,y1,WHITE);
while(y1<=y2 && x1<=x2)
{
if(m>1)
{
y1++;
x1 = x1+(1/m);
}
if(m<1)
{
x1++;
y1 = y1 + m;
}
else
{
x1++;
y1++;
}
putpixel(x1,y1,WHITE);
}
}
void rotate(int x, int y)
{
x_new = x*cos(PI/6) + y*sin(PI/6);
y_new = y*cos(PI/6) - x*sin(PI/6);
}
void filler(int x, int y, int b, int f)
{
int c= getpixel(x,y);
while(c!=b&&c!=f)
{
putpixel(x,y,f);
filler(x+1,y,b,f);
filler(x-1,y,b,f);
filler(x,y+1,b,f);
filler(x,y-1,b,f);
}
}
int main(void)
{
int gd=DETECT,gm;
initgraph(&gd,&gm,NULL);
semi();
draw();
r = 100;
x_ref = 400;
y_ref = 400;
flag =0;
semi();
draw();
r = 150;
x_ref = 450;
y_ref = 450;
flag =0;
semi();
draw();
dda(xo-150,yo,xo+100,yo);
//rotate(xo-150+xo,yo);
x_new2= x_new;
y_new2 = y_new;
//rotate(xo+100,yo);
//line(x_new,y_new,x_new2,y_new2);
line(xo,yo+100,xo,yo-150);
//line(xo,yo+100,xo,yo-150);
//rotate(xo,yo+100);
x_new2= x_new;
y_new2 = y_new;
//rotate(xo,yo-150);
//line(x_new,y_new,x_new2,y_new2);
rotate(xo-150,yo);
x_new2= x_new;
y_new2 = y_new;
rotate(xo+150,yo);
line(x_new-xo,y_new-yo,x_new2-xo,y_new2-yo);
line(xo-(100/sqrt(2)),yo-(100/sqrt(2)),xo+(150/sqrt(2)),yo+(150/sqrt(2)));
//line(xo-(100/sqrt(2)/2),yo-(100/sqrt(2)/2),xo+(150/sqrt(2)/2),yo+(150/sqrt(2)/2));
fill();
delay(500000);
closegraph();
}
cg_xam.c
Displaying cg_xam.c.