#include <stdio.h>
#include <conio.h>
#include <math.h>
#include <graphics.h>
#include <dos.h>
/* clears/creates snow based on the given color */
void whitePixel(int color) {
int i, j = 0, x, y;
setlinestyle(SOLID_LINE, 1, 3);
setcolor(color);
for (i = 50; i < 600; i = i + 50) {
x = i;
y = 50 + j;
/* put pixel at the given position */
putpixel(x, y, color);
/* moving the snow(pixels) towards moutain */
if (i % 100 == 0) {
y = y + 90;
x = x + 35;
j = 20;
} else {
y = y + 130;
x = x + 25;
if (i > 450) {
j = 160;
} else {
j = 30;
}
}
/* put pixel at the given position */
putpixel(x, y, color);
}
return;
}
void snowFall(int color) {
int i, j, x, y;
setlinestyle(SOLID_LINE, 1, 3);
setcolor(color);
for (i = 25; i < 600; i = i + 25) {
x = i;
y = 100 + j;
putpixel(x, y, color);
if (i % 100 == 0) {
y = y + 90;
x = x + 35;
j = 20;
} else {
y = y + 130;
x = x + 25;
j = 30;
}
putpixel(x, y, color);
}
return;
}
int main() {
/* request auto detection */
int gdriver = DETECT, gmode, err;
int i = 0, fq, amp;
double x, y;
/* initialize graphic mode */
initgraph(&gdriver, &gmode, "C:/TURBOC3/BGI");
err = graphresult();
if (err != grOk) {
/* error occurred */
printf("Graphics Error: %s\n",
grapherrormsg(err));
return 0;
}
x = 0;
fq = 2;
amp = 100;
setcolor(WHITE);
/* drawing the moutain using sine wave */
while (x <= getmaxx()) {
y = amp * sin((3.14 * fq * x) / 180);
y = y + getmaxy() / 2 + 100;
putpixel(x, y, 15);
line(x, y, x, y - 12);
line(x, y, x, y + 12);
delay(10);
x = x + 1;
}
/* color the mountain with white(snow) */
setfillstyle(SOLID_FILL, WHITE);
floodfill(2, getmaxy(), WHITE);
/* draw the moon */
x = getmaxx() - 50;
y = 40;
setcolor(LIGHTRED);
setfillstyle(SOLID_FILL, LIGHTRED);
circle(x, y, 25);
floodfill(x, y, LIGHTRED);
/* drawing birds */
setlinestyle(SOLID_LINE, 1, 3);
setcolor(WHITE);
arc(50, 50, 0, 160, 10);
arc(70, 50, 20, 180, 10);
arc(150, 100, 0, 150, 10);
arc(170, 100, 10, 180, 10);
arc(250, 125, 0, 160, 10);
arc(270, 125, 20, 180, 10);
/* snowfall */
for (i = 0; i < 100; i++) {
whitePixel(WHITE);
snowFall(BLACK);
delay(100);
whitePixel(BLACK);
snowFall(WHITE);
delay(100);
}
whitePixel(WHITE);
getch();
/* deallocate memory allocated for graphic screen */
closegraph();
return 0;
}
0 comments:
Post a Comment