Comments on Computer Graphics Lab: Car movement during Traffic Signal

please uplod a c program to show the rocket populs...

2011-12-05T19:04:45.635-08:00

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

it's a nice program please do more programs

2011-03-22T07:46:02.755-07:00

it's a nice program please do more programs

we need explanation for programs

2010-11-02T02:08:17.922-07:00

we need explanation for programs

# include # include # include # include char ...

2010-10-16T19:14:22.111-07:00

# 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();
}

Wow! Dipin! You blog has helped me a lot!Keep up t...

2009-05-08T10:16:00.000-07:00

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!