Traffic_light.cpp

#include<graphics.h>
#include<conio.h>
#include<dos.h>
#include<stdlib.h>
//void light()
int midx,midy;
int main()
{
    int gd = DETECT, gm, mid;
    initgraph(&gd,&gm, "C:\\TC\\BGI");

    midx = getmaxx()/2;
    midy = getmaxy()/2;
    //intro
    setcolor(CYAN);
    settextstyle(TRIPLEX_FONT,HORIZ_DIR, 4);
    settextjustify(CENTER_TEXT, CENTER_TEXT);
    outtextxy(midx, midy+10, "Press any key to start");
    getch();
    cleardevice();
    //used for red light
    setcolor(WHITE);
    settextstyle(DEFAULT_FONT, HORIZ_DIR,1);
    rectangle(midx+200,midy-180,midx+260,midy-20);
    circle(midx+230,midy-150,22);
    setfillstyle(SOLID_FILL,RED);
    floodfill(midx+230, midy-150,WHITE);
    outtextxy(midx+230,midy-150,"STOP");
    delay(2000);
    graphdefaults();
    cleardevice();
    //used for yellow light
    setcolor(WHITE);
    rectangle(midx+200,midy-180,midx+260,midy-20);
    circle(midx+230,midy-100,20);
    setfillstyle(SOLID_FILL,YELLOW);
    floodfill(midx+230,midy-100,WHITE);
    outtextxy(midx+230-18,midy-103,"READY");

    delay(2000);
    cleardevice();
    //used for green light
    rectangle(midx+200,midy-180,midx+260,midy-20);
    circle(midx+230,midy-50,22);
    setfillstyle(SOLID_FILL,GREEN);
    floodfill(midx+230, midy-50,WHITE);
    outtextxy(midx+230-7,midy-52,"GO");
    delay(2000);
    cleardevice();
    outtextxy(mid-7,mid+48,"Go");
    setcolor(WHITE);

    for(int i=0; i<600; i++)
    {
        cleardevice();
        //green light stay
        rectangle(midx+200,midy-180,midx+260,midy-20);
        circle(midx+230,midy-50,22);
        setfillstyle(SOLID_FILL,GREEN);
        floodfill(midx+230, midy-50,WHITE);
        outtextxy(midx+230-7,midy-52,"GO");
        line(0,390,650,390);  //ROAD

        /**car body**/
        line(50+i,370,90+i,370);
        arc(110+i,370,0,180,20);
        line(130+i,370,220+i,370);
        arc(240+i,370,0,180,20);
        line(260+i,370,300+i,370);
        line(300+i,370,300+i,350);
        line(300+i,350,240+i,330);
        line(240+i,330,200+i,300);
        line(200+i,300,110+i,300);
        line(110+i,300,80+i,330);
        line(80+i,330,50+i,340);
        line(50+i,340,50+i,370);

        /***car windows**/
        line(165+i,305,165+i,330);
        line(165+i,330,230+i,330);
        line(230+i,330,195+i,305);
        line(195+i,305,165+i,305);

        line(160+i,305,160+i,330);
        line(160+i,330,95+i,330);
        line(95+i,330,120+i,305);
        line(120+i,305,160+i,305);

        /**wheels**/
        circle(110+i,370,17);
        circle(240+i,370,17);

        delay(20);


    }
    getch();
}