// reset vector from rectangular coordinates if form is
// RECT (the default) or else from polar coordinates if
// form is POL
void Vector:: reset(double n1, double n2, Mode form)
{
mode = form;
if (form == RECT)
{
x = n1;
y = n2;
set_mag();
set_ang();
}
else if (form == POL)
{
mag = n1;
ang = n2 / Rad_to_deg;
set_x();
set_y();
}
else
{
cout << "Incorrect 3rd argument to Vector() -- ";
cout << "vector set to 0\n";
x = y = mag = ang = 0.0;
mode = RECT;
}
}
void Vector::set(double n1, double n2, char form)
{
mode = form;
if ( form == 'r')
{
x = n1;
y = n2;
set_mag();
set_ang();
}
else if (form = 'p')
{
mag = n1;
ang = n2 / Rad_to_deg;
set_x();
set_y();
}
else
{
cout << "Incorrect form\n";
cout << "vector set to 0\n";
x = y = mag = ang = 0.0;
mode = 'r';
}
}
void Vector::reset(double n1, double n2, Mode form = RECT)
{
mode = form;
if (form == RECT)
{
x = n1;
y = n2;
set_mag();
set_ang();
}
else if (form == POL)
{
mag = n1;
ang = n2 / Rad_to_deg;
set_x();
set_y();
}
else
{
cout << "Niepoprawny trzci argument set() -- zeruję wektor" << endl;
x = y = mag = ang = 0.0;
mode = RECT;
}
}
Vector::Vector(double n1, double n2, Mode form = RECT)
{
mode = form;
if (form == RECT)
{
x = n1;
y = n2;
set_mag();
set_ang();
}
else if (form == POL)
{
mag = n1;
ang = n2 / Rad_to_deg;
set_x();
set_y();
}
else
{
cout << "Niepoprawna wartość trzeciego argumentu Vector() -- zeruję wektor" << endl;
x = y = mag = ang = 0.0;
mode = RECT;
}
}
void CPyramidModel::Init ( trVertex3D rPos, trVertex3D rScale, float fRot)
{
if (iGLListID != -1)
glDeleteLists(iGLListID,1);
iGLListID = glGenLists(1);
float fTexureUnits = 4.0f;
glNewList(iGLListID,GL_COMPILE);
glPushMatrix();
glTranslatef(rPos.x, rPos.y, rPos.z);
glRotatef(fRot, 0, 0, 1);
glBegin(GL_QUADS); // lets hope they make them quads into strips
// z+ side
glNormal3f(0,0,-1);
glTexCoord2f(0,0);
glVertex3f(-rScale.x,-rScale.y,0);
glTexCoord2f(0,rScale.y/fTexureUnits*2);
glVertex3f(-rScale.x,rScale.y,0);
glTexCoord2f(rScale.x/fTexureUnits*2,rScale.y/fTexureUnits*2);
glVertex3f(rScale.x,rScale.y,0);
glTexCoord2f(rScale.x/fTexureUnits*2,0);
glVertex3f(rScale.x,-rScale.y,0);
glEnd();
trVertex3D rVec1,rVec2,rNorm;
glBegin(GL_TRIANGLES);
// y+ Side
// compute a normal
rVec1.x = rScale.x; rVec1.y = -rScale.y; rVec1.z = rScale.z;
rVec2.x = rScale.x*2; rVec2.y = 0; rVec2.z = 0;
cross(rVec1,rVec2,rNorm);
set_mag(rNorm,1.0f);
glNormal3f(rNorm.x,rNorm.y,rNorm.z);
glTexCoord2f(0,0);
glVertex3f(-rScale.x,rScale.y,0);
glTexCoord2f(rScale.x/fTexureUnits,rScale.z/fTexureUnits);
glVertex3f(0,0,rScale.z);
glTexCoord2f(rScale.x/fTexureUnits*2,0);
glVertex3f(rScale.x,rScale.y,0);
// x+ Side
// compute a normal
rVec1.x = rScale.x; rVec1.y = -rScale.y; rVec1.z = rScale.z;
rVec2.x = 0; rVec2.y = -rScale.y*2; rVec2.z = 0;
cross(rVec2,rVec1,rNorm);
set_mag(rNorm,1.0f);
glNormal3f(rNorm.x,rNorm.y,rNorm.z);
glTexCoord2f(0,0);
glVertex3f(rScale.x,rScale.y,0);
glTexCoord2f(rScale.x/fTexureUnits,rScale.z/fTexureUnits);
glVertex3f(0,0,rScale.z);
glTexCoord2f(rScale.x/fTexureUnits*2,0);
glVertex3f(rScale.x,-rScale.y,0);
// y- Side
// compute a normal
rVec1.x = -rScale.x; rVec1.y = rScale.y; rVec1.z = rScale.z;
rVec2.x = -rScale.x*2; rVec2.y = 0; rVec2.z = 0;
cross(rVec1,rVec2,rNorm);
set_mag(rNorm,1.0f);
glNormal3f(rNorm.x,rNorm.y,rNorm.z);
glTexCoord2f(0,0);
glVertex3f(rScale.x,-rScale.y,0);
glTexCoord2f(rScale.x/fTexureUnits,rScale.z/fTexureUnits);
glVertex3f(0,0,rScale.z);
glTexCoord2f(rScale.x/fTexureUnits*2,0);
glVertex3f(-rScale.x,-rScale.y,0);
// x- Side
// compute a normal
rVec1.x = -rScale.x; rVec1.y = rScale.y; rVec1.z = rScale.z;
rVec2.x = 0; rVec2.y = rScale.y*2; rVec2.z = 0;
cross(rVec2,rVec1,rNorm);
set_mag(rNorm,1.0f);
glNormal3f(rNorm.x,rNorm.y,rNorm.z);
glTexCoord2f(0,0);
glVertex3f(-rScale.x,-rScale.y,0);
glTexCoord2f(rScale.x/fTexureUnits,rScale.z/fTexureUnits);
glVertex3f(0,0,rScale.z);
glTexCoord2f(rScale.x/fTexureUnits*2,0);
glVertex3f(-rScale.x,rScale.y,0);
glEnd();
glPopMatrix();
glEndList();
if (iSelList != -1)
glDeleteLists(iSelList,1);
iSelList = glGenLists(1);
glNewList(iSelList,GL_COMPILE);
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
glPushMatrix();
glTranslatef(rPos.x, rPos.y, rPos.z);
glRotatef(fRot, 0, 0, 1);
float fOffset = 2.5f;
float fLen = 5.0f;
glBegin(GL_LINES);
DrawSelectGrid(fOffset,fLen,rScale);
glEnd();
glPopMatrix();
glEnable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);
glEndList();
}
