//display function
void display()
{
glMatrixMode(GL_PROJECTION); //sets current matrix mode to projection matrix
glLoadIdentity(); //replaces current matrix with identity matrix
glMatrixMode(GL_MODELVIEW); //sets current matrix mode to model view matrix
glScalef(1.2,1.2,1.2); //scaling
table(0.85,0.15,0.15,0.45);
glTranslatef(-0.2,0.07,0); //translation
glColor3f(0.4,0,0.7);
drawwall();
glColor3f(1,0,0.15); //draw chair
drawchair(0.15,0.35);
glColor3f(0.0,1,0.0); //set color to green
drawWorm(); //draw worm
glColor3f(0.8,0.1,0.5); //set color to blue
drawteapot(0.25,0.55); //draw teapot
glPushMatrix();
glColor3f(1,0.95,0.8); //set color
glTranslated(0,0,0.15);
drawbook1(0.25,0.25); //draw book1
glPopMatrix();
glPushMatrix(); //drawbook2
glColor3f(0.93,0.86,0.51);
glTranslated(0,0,0.15);
drawbook2(0.25,0.25);
glPopMatrix();
glColor3f(0.7,0.7,0.7); //set color to white
drawglass(); //draw glass
glColor3f(0,0,0);
drawlamp();
glColor3f(1,1,1); //set color to white
glTranslatef(0.2,-0.07,0);
glTranslatef(-0.0,0.45+0.09,-0.25);
glRotated(90,0,1,0);
glRotated(-90,0,1,0);
glTranslatef(0.0,-0.45-0.09,0.25);
glScalef(1/1.2,1/1.2,1/1.2);
glEnd();
glFlush(); //forces execution of opengl functions in finite time
}
int main()
{
double L,h;
double x,y=0;
printf("24-780 Engineering Computation Problem Set 2-2 – Mass-Spring System Enter L and h:");
scanf("%lf %lf",&L,&h);
FsOpenWindow(100,100,800,600,0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
transform(x,y,L,h);
drawwall(x,y);
drawspring(x,y,L,h);
drawbox(x,y,L,h);
glEnd();
glFlush();
while(FSKEY_ESC!=FsInkey())
{
FsPollDevice();
FsSleep(25);
}
return 0;
}