Created
February 10, 2022 18:10
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| #include <iostream.h> | |
| #include <graphics.h> | |
| #include <dos.h> | |
| void calculate(int *pk, int dx, int dy, int *x, int *y) { | |
| ++(*x); | |
| if(*pk < 0) { | |
| *pk = *pk + (2*dy); | |
| } else if(*pk > 0) { | |
| *pk = *pk + (2*dy) - (2*dx); | |
| ++(*y); | |
| } | |
| }; | |
| int main() { | |
| int x, y, x1=200, y1=100, x2=300, y2=180, gdriver=DETECT, gdm; | |
| int pk, dx, dy; | |
| initgraph(&gdriver, &gdm, "c:\\tc\\bgi"); | |
| dx = x2 - x1; | |
| dy = y2 - y1; | |
| pk = (2*dy) - dx; | |
| x = x1; | |
| y = y1; | |
| while(x<=x2 && y<=y2) { | |
| putpixel(x, y, 5); | |
| calculate(&pk, dx, dy, &x, &y); | |
| delay(100); | |
| } | |
| closegraph(); | |
| } |
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