main.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 |
#include <conio.h> #include <math.h> #include <graphics.h> #include <dos.h> int main() { int gd = DETECT, gm; int angle = 0; double x, y; initgraph(&gd, &gm, "C:\\TC\\BGI"); line(0, getmaxy() / 2, getmaxx(), getmaxy() / 2); /* generate a sine wave */ for(x = 0; x < getmaxx(); x+=3) { /* calculate y value given x */ y = 50*sin(angle*3.141/180); y = getmaxy()/2 - y; /* color a pixel at the given position */ putpixel(x, y, 15); delay(100); /* increment angle */ angle+=5; } getch(); /* deallocate memory allocated for graphics screen */ closegraph(); return 0; } |
