/*!
@function BoxV2ToObject
@abstract Attempt to convert a VRML 2 Box node to a Quesa object.
@param ioNode Node to convert.
@result An object reference, or NULL on failure.
*/
CQ3ObjectRef BoxV2ToObject( PolyValue& ioNode )
{
TQ3Vector3D sizes = {
2.0f, 2.0f, 2.0f
};
PolyValue::Dictionary& theDict( ioNode.GetDictionary() );
if (IsKeyPresent( theDict, "size" ))
{
PolyValue& sizeField( theDict["size"] );
if ( (sizeField.GetType() == PolyValue::kDataTypeArrayOfFloat) or
(sizeField.GetType() == PolyValue::kDataTypeArrayOfInt) )
{
PolyValue::FloatVec& theFloats( sizeField.GetFloatVec() );
if (theFloats.size() == 3)
{
sizes.x = theFloats[0];
sizes.y = theFloats[1];
sizes.z = theFloats[2];
}
}
}
TQ3BoxData boxData = {
{ -sizes.x/2, -sizes.y/2, -sizes.z/2 },
{ 0.0f, sizes.y, 0.0f },
{ 0.0f, 0.0f, sizes.z },
{ sizes.x, 0.0f, 0.0f },
NULL, NULL
};
CQ3ObjectRef theObject( Q3Box_New( &boxData ) );
return theObject;
}
TQ3GroupObject MyNewModel()
{
TQ3GroupObject myGroup = NULL;
TQ3GeometryObject myBox;
TQ3BoxData myBoxData;
TQ3ShaderObject myIlluminationShader ;
TQ3SetObject faces[6] ;
short face ;
// Create a group for the complete model.
// do not use Q3OrderedDisplayGroup_New since in this
// type of group all of the translations are applied before
// the objects in the group are drawn, in this instance we
// dont want this.
if ((myGroup = Q3DisplayGroup_New()) != NULL )
{
// Define a shading type for the group
// and add the shader to the group
myIlluminationShader = Q3PhongIllumination_New();
Q3Group_AddObject(myGroup, myIlluminationShader);
// set up the colored faces for the box data
myBoxData.faceAttributeSet = faces;
myBoxData.boxAttributeSet = NULL;
MyColorBoxFaces( &myBoxData ) ;
#define kBoxSide 0.8F
#define kBoxSidePlusGap 0.1F
// create the box itself
Q3Point3D_Set(&myBoxData.origin, 0.0F, 0.0F, 0.0F);
Q3Vector3D_Set(&myBoxData.orientation, 0.0F, kBoxSide, 0.0F);
Q3Vector3D_Set(&myBoxData.majorAxis, 0.0F, 0.0F, kBoxSide);
Q3Vector3D_Set(&myBoxData.minorAxis, kBoxSide, 0.0F, 0.0F);
myBox = Q3Box_New(&myBoxData);
#if 0 // one box
Q3Group_AddObject(myGroup, myBox);
#else // 4 boxes
{
TQ3Vector3D translation;
translation.x = 0.0F;
translation.y = kBoxSidePlusGap;
translation.z = 0.0F;
MyAddTransformedObjectToGroup( myGroup, myBox, &translation ) ;
translation.x = 2 * kBoxSide;
translation.y = kBoxSidePlusGap;
translation.z = 0.0F;
MyAddTransformedObjectToGroup( myGroup, myBox, &translation ) ;
translation.x = 0.0F;
translation.y = kBoxSidePlusGap;
translation.z = -2 * kBoxSide;
MyAddTransformedObjectToGroup( myGroup, myBox, &translation ) ;
translation.x = -2 * kBoxSide;
translation.y = kBoxSidePlusGap;
translation.z = 0.0F;
MyAddTransformedObjectToGroup( myGroup, myBox, &translation ) ;
}
#endif
for( face = 0; face < 6; face++) {
if( myBoxData.faceAttributeSet[face] != NULL )
Q3Object_Dispose(myBoxData.faceAttributeSet[face]);
}
if( myBox )
Q3Object_Dispose( myBox );
}
// dispose of the objects we created here
if( myIlluminationShader )
Q3Object_Dispose(myIlluminationShader);
// Done!
return ( myGroup );
}
