bool Cylinder::SetData(const std::string &strDataType, const std::string &strValue, bool bThrowError)
{
std::string strType = Std_CheckString(strDataType);
if(RigidBody::SetData(strType, strValue, false))
return true;
if(strType == "RADIUS")
{
Radius((float) atof(strValue.c_str()));
return true;
}
if(strType == "HEIGHT")
{
Height((float) atof(strValue.c_str()));
return true;
}
if(strType == "SIDES")
{
Sides(atoi(strValue.c_str()));
return true;
}
//If it was not one of those above then we have a problem.
if(bThrowError)
THROW_PARAM_ERROR(Al_Err_lInvalidDataType, Al_Err_strInvalidDataType, "Data Type", strDataType);
return false;
}
//--------------------------------------------------------------------
Real ZFace::Area (const ZVectorCacheArray& v)
// Returns the area of the face
{
Real* ss = Sides(v);
Real p = Perimeter(v)/2;
// Heron's formula
return sqrt (p*(p-ss[0])*(p-ss[1])*(p-ss[2]));
}
//--------------------------------------------------------------------
Real ZFace::Perimeter (const ZVectorCacheArray& v)
// Returns the perimeter of the face
{
Real out = 0;
Real* ss = Sides(v);
for (int i=0; i<=3-1; ++i)
out += ss[i];
return out;
}
void Cylinder::Load(CStdXml &oXml)
{
RigidBody::Load(oXml);
oXml.IntoElem(); //Into RigidBody Element
Radius(oXml.GetChildFloat("Radius", m_fltRadius));
Height(oXml.GetChildFloat("Height"), m_fltHeight);
Sides(oXml.GetChildInt("Sides", m_iSides));
oXml.OutOfElem(); //OutOf RigidBody Element
}
void VScroller::Update() {
IntCoord oldbottom, oldtop, newbottom, newtop;
int oldheight, newheight;
Perspective* p;
if (canvas == nil) {
return;
}
p = view;
GetBarInfo(shown, oldbottom, oldheight);
GetBarInfo(p, newbottom, newheight);
if (oldbottom != newbottom || oldheight != newheight) {
oldtop = oldbottom+oldheight-1;
newtop = newbottom+newheight-1;
if (oldtop >= newbottom && newtop >= oldbottom) {
if (oldtop > newtop) {
Background(inset, newtop+1, xmax-inset, oldtop);
Border(newtop);
} else if (oldtop < newtop) {
Bar(oldtop, newtop-oldtop);
Sides(oldtop, newtop);
Border(newtop);
}
if (oldbottom > newbottom) {
Bar(newbottom+1, oldbottom-newbottom);
Sides(newbottom, oldbottom);
Border(newbottom);
} else if (oldbottom < newbottom) {
Background(inset, oldbottom, xmax-inset, newbottom-1);
Border(newbottom);
}
} else {
Background(inset, oldbottom, xmax-inset, oldtop);
Bar(newbottom, newheight);
Outline(newbottom, newheight);
}
}
*shown = *p;
}
void HScroller::Update() {
IntCoord oldleft, oldright, newleft, newright;
int oldwidth, newwidth;
Perspective* p;
if (canvas == nil) {
return;
}
p = view;
GetBarInfo(shown, oldleft, oldwidth);
GetBarInfo(p, newleft, newwidth);
if (oldleft != newleft || oldwidth != newwidth) {
oldright = oldleft+oldwidth-1;
newright = newleft+newwidth-1;
if (oldright >= newleft && newright >= oldleft) {
if (oldright > newright) {
Background(newright+1, inset, oldright, ymax-inset);
Border(newright);
} else if (oldright < newright) {
Bar(oldright, newright-oldright);
Sides(oldright, newright);
Border(newright);
}
if (oldleft > newleft) {
Bar(newleft+1, oldleft-newleft);
Sides(newleft, oldleft);
Border(newleft);
} else if (oldleft < newleft) {
Background(oldleft, inset, newleft-1, ymax-inset);
Border(newleft);
}
} else {
Background(oldleft, inset, oldright, ymax-inset);
Bar(newleft, newwidth);
Outline(newleft, newwidth);
}
}
*shown = *p;
}
void Cone::Load(CStdXml &oXml)
{
RigidBody::Load(oXml);
oXml.IntoElem(); //Into RigidBody Element
LowerRadius(oXml.GetChildFloat("LowerRadius", m_fltLowerRadius));
UpperRadius(oXml.GetChildFloat("UpperRadius", m_fltUpperRadius));
Height(oXml.GetChildFloat("Height"), m_fltHeight);
Sides(oXml.GetChildInt("Sides", m_iSides));
oXml.OutOfElem(); //OutOf RigidBody Element
}
