void EllipseObject::BuildShape(TimeValue t, BezierShape& ashape)
{
// Start the validity interval at forever and whittle it down.
ivalid = FOREVER;
float length;
float width;
float thickness;
BOOL build_outine = FALSE;
myParamBlock->GetValue(PB_LENGTH, t, length, ivalid);
myParamBlock->GetValue(PB_WIDTH, t, width, ivalid);
myParamBlock->GetValue(PB_THICKNESS, t, thickness, ivalid);
myParamBlock->GetValue(PB_OUTLINE, t, build_outine, ivalid);
LimitValue( length, MIN_LENGTH, MAX_LENGTH );
LimitValue( width, MIN_WIDTH, MAX_WIDTH );
LimitValue(thickness, MIN_THICK, MAX_THICK );
// Delete the existing shape and create a new spline in it
ashape.NewShape();
// Get parameters from SimpleSpline and place them in the BezierShape
int steps;
BOOL optimize,adaptive;
ipblock->GetValue(IPB_STEPS, t, steps, ivalid);
ipblock->GetValue(IPB_OPTIMIZE, t, optimize, ivalid);
ipblock->GetValue(IPB_ADAPTIVE, t, adaptive, ivalid);
ashape.steps = adaptive ? -1 : steps;
ashape.optimize = optimize;
float radius, xmult, ymult;
if(length < width)
{
radius = width;
xmult = 1.0f;
ymult = length / width;
}
else
if(width < length)
{
radius = length;
xmult = width / length;
ymult = 1.0f;
}
else
{
radius = length;
xmult = ymult = 1.0f;
}
MakeCircle(ashape, radius / 2.0f, xmult, ymult);
if(build_outine)
{
length += 2*thickness;
width += 2*thickness;
LimitValue( length, MIN_LENGTH, MAX_LENGTH );
LimitValue( width, MIN_WIDTH, MAX_WIDTH );
if(length < width)
{
radius = width;
xmult = 1.0f;
ymult = length / width;
}
else if(width < length)
{
radius = length;
xmult = width / length;
ymult = 1.0f;
}
else
{
radius = length;
xmult = ymult = 1.0f;
}
MakeCircle(ashape, radius / 2.0f, xmult, ymult);
}
ashape.UpdateSels(); // Make sure it readies the selection set info
ashape.InvalidateGeomCache();
}
void RectangleObject::BuildShape(TimeValue t, BezierShape& ashape) {
// Start the validity interval at forever and whittle it down.
ivalid = FOREVER;
float length,fillet;
float width;
pblock->GetValue(PB_LENGTH, t, length, ivalid);
pblock->GetValue(PB_WIDTH, t, width, ivalid);
pblock->GetValue(PB_FILLET, t, fillet, ivalid);
LimitValue( length, MIN_LENGTH, MAX_LENGTH );
LimitValue( width, MIN_WIDTH, MAX_WIDTH );
LimitValue( fillet, MIN_WIDTH, MAX_WIDTH );
// Delete the existing shape and create a new spline in it
ashape.NewShape();
// Get parameters from SimpleSpline and place them in the BezierShape
int steps;
BOOL optimize,adaptive;
ipblock->GetValue(IPB_STEPS, t, steps, ivalid);
ipblock->GetValue(IPB_OPTIMIZE, t, optimize, ivalid);
ipblock->GetValue(IPB_ADAPTIVE, t, adaptive, ivalid);
ashape.steps = adaptive ? -1 : steps;
ashape.optimize = optimize;
Spline3D *spline = ashape.NewSpline();
// Now add all the necessary points
// We'll add 'em as auto corners initially, have the spline package compute some vectors (because
// I'm basically lazy and it does a great job, besides) then turn 'em into bezier corners!
float l2 = length / 2.0f;
float w2 = width / 2.0f;
Point3 p = Point3(w2, l2, 0.0f);
int pts=4;
if (fillet>0)
{ pts=8;
float cf=fillet*CIRCLE_VECTOR_LENGTH;
Point3 wvec=Point3(fillet,0.0f,0.0f),lvec=Point3(0.0f,fillet,0.0f);
Point3 cwvec=Point3(cf,0.0f,0.0f),clvec=Point3(0.0f,cf,0.0f);
Point3 p3=p-lvec,p2;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p3,p3-clvec,p3+clvec));
p=p-wvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p,p+cwvec,p-cwvec));
p=Point3(-w2,l2,0.0f);p2=p+wvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p2,p2+cwvec,p2-cwvec));
p=p-lvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p,p+clvec,p-clvec));
p=Point3(-w2,-l2,0.0f);p3=p+lvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p3,p3+clvec,p3-clvec));
p=p+wvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p,p-cwvec,p+cwvec));
p = Point3(w2, -l2, 0.0f);p3=p-wvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p3,p3-cwvec,p3+cwvec));
p=p+lvec;
spline->AddKnot(SplineKnot(KTYPE_BEZIER,LTYPE_CURVE,p,p-clvec,p+clvec));
spline->SetClosed();
spline->ComputeBezPoints();
}
else
{spline->AddKnot(SplineKnot(KTYPE_CORNER,LTYPE_CURVE,p,p,p));
p = Point3(-w2, l2, 0.0f);
spline->AddKnot(SplineKnot(KTYPE_CORNER,LTYPE_CURVE,p,p,p));
p = Point3(-w2, -l2, 0.0f);
spline->AddKnot(SplineKnot(KTYPE_CORNER,LTYPE_CURVE,p,p,p));
p = Point3(w2, -l2, 0.0f);
spline->AddKnot(SplineKnot(KTYPE_CORNER,LTYPE_CURVE,p,p,p));
spline->SetClosed();
spline->ComputeBezPoints();
for(int i = 0; i < 4; ++i)
spline->SetKnotType(i, KTYPE_BEZIER_CORNER);
}
spline->SetClosed();
spline->ComputeBezPoints();
for(int i = 0; i < pts; ++i)
spline->SetKnotType(i, KTYPE_BEZIER_CORNER);
ashape.UpdateSels(); // Make sure it readies the selection set info
ashape.InvalidateGeomCache();
}