Car movement during Traffic Signal

By Dipin Krishna 
#include<conio.h>  
#include<dos.h>  
#include<graphics.h>  

void car(int x,int c)  
{  
    setcolor(c);  
    line(x+150,100,x+242,100);  
    ellipse(x+242,105,0,90,10,5);  
    line(x+150,100,x+120,150);  
    line(x+252,105,x+280,150);  
    line(x+100,150,x+320,150);  
    line(x+100,150,x+100,200);  
    line(x+320,150,x+320,200);  
    line(x+100,200,x+110,200);  
    line(x+320,200,x+310,200);  
    arc(x+130,200,0,180,20);  
    arc(x+290,200,0,180,20);  
    line(x+270,200,x+150,200);  
    circle(x+130,200,17);  
    circle(x+290,200,17);  

}  


void main()  
{  
    int gd=DETECT,gm=DETECT,i=-200;  
    int ch='g';  
    initgraph(&gd,&gm,"");  

    line(0,70,300,70);  
    line(450,70,630,70);  
    line(300,70,300,0);  
    line(450,70,450,0);  
    line(0,230,300,230);  
    line(450,230,630,230);  
    line(300,230,300,500);  
    line(450,230,450,500);  
    circle(280,50,10);  
    setfillstyle(SOLID_FILL,GREEN);  
    floodfill(280,50,15);  
    car(i,15);  
    while(1)  
    {  
        while(!kbhit())  
        {  
            if(ch=='r')  
            {  
                setfillstyle(SOLID_FILL,RED);  
                floodfill(280,50,15);  
                do{  
                    while(!kbhit())  
                    {  
                        if(i<-20 || i>-10)  
                        {  
                            car(i++,0);  
                            car(i,15);  
                            delay(50);  
                        }  
                    }  
                    ch=getch();  
                    if(ch=='y')  
                    {  
                        setfillstyle(SOLID_FILL,YELLOW);  
                        floodfill(280,50,15);  
                    }  
                    if(ch=='g')  
                    {  
                        setfillstyle(SOLID_FILL,GREEN);  
                        floodfill(280,50,15);  
                    }  
                }while(ch!='g'&&ch!=13);  
            }  
            else  
            {  
                car(i++,0);  
                car(i,15);  
                delay(50);  
            }  
        }  
        ch=getch();  
        if(ch==13)  
            break;  
    }  


    getch();  
}

Comments

  1. Celia PhilipsMay 8, 2009 at 10:46 PM

    Wow! Dipin! You blog has helped me a lot!Keep up the good work! Could you please upload a simple C++ program demonstrating 2d transformations: scaling, translation and rotation.? Thanks!

    ReplyDelete
  2. ejas91October 17, 2010 at 7:44 AM

    # include
    # include
    # include
    # include

    char IncFlag;
    int PolygonPoints[4][2] =
    {{10,100},{110,100},{110,200},{10,200}};

    int RefX = 10;
    int RefY = 100;

    void PolyLine()
    {
    int iCnt;
    cleardevice();
    line(0,240,640,240);
    line(320,0,320,480);
    for (iCnt=0; iCnt<4; iCnt++)
    {
    line(PolygonPoints[iCnt][0],PolygonPoints[iCnt][1],
    PolygonPoints[(iCnt+1)%4][0],PolygonPoints[(iCnt+1)%4][1]);
    }
    }

    void Translate(int Direction)
    {
    int iCnt;
    for (iCnt=0; iCnt<4; iCnt++)
    {
    PolygonPoints[iCnt][0] += Direction*RefX;
    PolygonPoints[iCnt][1] -= Direction*RefY;
    }
    }

    void Rotate()
    {
    float Angle;
    int iCnt;
    int Tx,Ty;
    Translate(-1);
    cout<<endl;
    Angle = 30.0*(22.0/7.0)/180.0;
    for (iCnt=0; iCnt<4; iCnt++)
    {
    Tx = PolygonPoints[iCnt][0];
    Ty = PolygonPoints[iCnt][1];
    PolygonPoints[iCnt][0] = (Tx - 320)*cos(Angle) -
    (Ty - 240)*sin(Angle) + 320;
    PolygonPoints[iCnt][1] = (Tx - 320)*sin(Angle) +
    (Ty - 240)*cos(Angle) + 240;
    }
    Translate(1);
    }

    void main()
    {
    int gDriver = DETECT, gMode;
    int iCnt;
    initgraph(&gDriver, &gMode, "C:\\TC\\BGI");
    for (iCnt=0; iCnt<4; iCnt++)
    {
    PolygonPoints[iCnt][0] += 320;
    PolygonPoints[iCnt][1] = 240 - PolygonPoints[iCnt][1];
    }
    PolyLine();
    getch();
    Rotate();
    PolyLine();
    getch();
    }

    ReplyDelete
  3. AnonymousNovember 2, 2010 at 2:38 PM

    we need explanation for programs

    ReplyDelete
  4. UnknownMarch 22, 2011 at 8:16 PM

    it's a nice program please do more programs

    ReplyDelete
  5. SonaDecember 6, 2011 at 8:34 AM

    please uplod a c program to show the rocket populsion and also upload a c program to show ripples in a pond

    ReplyDelete

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