internal void Pack(Model model, SU.EntitiesRef entitiesRef)
{
CompDef componentDefinition =
model.components[ComponentName];
// We might be making a forward reference, so guarantee
// that the ComponentDefinition has a SketchUp pointer.
componentDefinition.GuaranteeReference();
SU.ComponentDefinitionRef componentDefinitionRef =
componentDefinition.componentDefinitionRef;
SU.ComponentInstanceRef componentInstanceRef =
new SU.ComponentInstanceRef();
SU.ComponentDefinitionCreateInstance(
componentDefinitionRef,
componentInstanceRef);
SU.EntitiesAddInstance(
entitiesRef,
componentInstanceRef,
null);
SU.ComponentInstanceSetName(
componentInstanceRef,
InstanceName);
SU.ComponentInstanceSetTransform(
componentInstanceRef,
Transform.SUTransformation);
if (MaterialName != null)
{
Material material = null;
try
{
material = model.materials[MaterialName];
}
catch (Exception e)
{
string msg = "\nCould not find a material named " + MaterialName;
throw new Exception(e.Message + msg);
}
SU.DrawingElementRef drawingElementRef =
SU.ComponentInstanceToDrawingElement(componentInstanceRef);
SU.DrawingElementSetMaterial(
drawingElementRef,
material.suMaterialRef);
}
}
void AddBlade(
int n,
SU.ComponentDefinitionRef parent,
SU.ComponentDefinitionRef child,
double twist,
double spin)
{
// Instance the child.
SU.ComponentInstanceRef ci = new SU.ComponentInstanceRef();
SU.ComponentDefinitionCreateInstance(child, ci);
// Set its transform.
SU.Transformation twistTrans = new SU.Transformation();
SU.TransformationRotation(
ref twistTrans,
new SU.Point3D {
x = 0, y = 0, z = 0
},
new SU.Vector3D {
x = 0, y = 0, z = 1
},
twist);
SU.Transformation spinTrans = new SU.Transformation();
SU.TransformationRotation(
ref spinTrans,
new SU.Point3D {
x = 0, y = 0, z = 0
},
new SU.Vector3D {
x = 0, y = 1, z = 0
},
spin);
SU.Transformation trans = new SU.Transformation();
SU.TransformationMultiply(ref spinTrans, ref twistTrans, ref trans);
SU.ComponentInstanceSetTransform(ci, trans);
SU.ComponentInstanceSetName(ci, $"Blade #{n}");
SU.EntitiesRef parentEnts = new SU.EntitiesRef();
SU.ComponentDefinitionGetEntities(parent, parentEnts);
SU.EntitiesAddInstance(parentEnts, ci, null);
}