internal CompDef( SU.ComponentDefinitionRef componentDefinitionRef) { // Get the name. SU.StringRef stringRef = new SU.StringRef(); SU.StringCreate(stringRef); SU.ComponentDefinitionGetName(componentDefinitionRef, stringRef); Name = Convert.ToStringAndRelease(stringRef); // Get the description. stringRef = new SU.StringRef(); SU.StringCreate(stringRef); SU.ComponentDefinitionGetDescription(componentDefinitionRef, stringRef); Description = Convert.ToStringAndRelease(stringRef); // Get the entities. SU.EntitiesRef entitiesRef = new SU.EntitiesRef(); SU.ComponentDefinitionGetEntities(componentDefinitionRef, entitiesRef); //entities = new Entities(entitiesRef); UnpackEntities(entitiesRef); }
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); }
internal void Pack(Model model, SU.ModelRef modelRef) { // The SketchUp API appears to add a "persistent ID" to vertices, // edges, and faces, as they are added to definitions and groups. // But it also appears not to do this unless the definition or // group reference has already been added to the model. If you // add those references to the model after creating their contents, // SketchUp will detect the missing IDs on load and "fix" them, // causing SketchUp to ask if you want to save the changes when // you close (even though you won't think you've made any). // // You can see this in the "Edit / Undo Check Validity" menu item // when it happens. Undo it, and then use the "Window / Model info" // dialog, under "Statistics" by pressing the "Fix Problems" // button. You'll get a report on the missing persistent IDs. // // To prevent all this from happening, we add the reference first. GuaranteeReference(); SU.ComponentDefinitionRef[] componentDefinitionsArray = new SU.ComponentDefinitionRef[1]; componentDefinitionsArray[0] = componentDefinitionRef; SU.ModelAddComponentDefinitions( modelRef, 1, componentDefinitionsArray); SU.ComponentDefinitionSetName( componentDefinitionRef, Name); SU.ComponentDefinitionSetDescription( componentDefinitionRef, Description); SU.EntitiesRef myEntitiesRef = new SU.EntitiesRef(); SU.ComponentDefinitionGetEntities(componentDefinitionRef, myEntitiesRef); //entities.Pack(model, myEntitiesRef); Pack(model, myEntitiesRef); }
public override void Run(string path) { SU.EntitiesRef entities = SUHelper.Initialize(); // Create two Component Definitions. SU.ComponentDefinitionRef fanCD = new SU.ComponentDefinitionRef(); SU.ComponentDefinitionCreate(fanCD); SU.ComponentDefinitionSetName(fanCD, "Fan"); SU.ComponentDefinitionSetDescription(fanCD, "A six-bladed fan on the Y axis"); SU.ComponentDefinitionRef bladeCD = new SU.ComponentDefinitionRef(); SU.ComponentDefinitionCreate(bladeCD); SU.ComponentDefinitionSetName(bladeCD, "Fan Blade"); SU.ComponentDefinitionSetDescription(bladeCD, "Trapezoidal blade offset from axis"); // Add CDs to the model.) SU.ComponentDefinitionRef[] defs = new SU.ComponentDefinitionRef[2]; defs[0] = fanCD; defs[1] = bladeCD; SUHelper.ModelAddComponentDefinitions(defs); // The Fan CD only has instances of the blade, and no // geometry of its own. Create the blade geometry and // put it into the blade's entities. SU.GeometryInputRef bladeGeo = new SU.GeometryInputRef(); SU.GeometryInputCreate(bladeGeo); foreach (SU.Point3D p in bladePoints) { SU.Point3D pc; pc = p; pc.x *= SU.MetersToInches; pc.y *= SU.MetersToInches; pc.z *= SU.MetersToInches; SU.GeometryInputAddVertex(bladeGeo, pc); } SU.LoopInputRef loop = new SU.LoopInputRef(); SU.LoopInputCreate(loop); SU.LoopInputAddVertexIndex(loop, 0); SU.LoopInputAddVertexIndex(loop, 1); SU.LoopInputAddVertexIndex(loop, 2); SU.LoopInputAddVertexIndex(loop, 3); long faceIndex; SU.GeometryInputAddFace(bladeGeo, loop, out faceIndex); SU.EntitiesRef bladeEnts = new SU.EntitiesRef(); SU.ComponentDefinitionGetEntities(bladeCD, bladeEnts); SU.EntitiesFill(bladeEnts, bladeGeo, true); // Add six instances of the blade to the fan definition. for (int i = 0; i < 6; ++i) { AddBlade( i, fanCD, bladeCD, (15.0 / 360.0) * 2 * Math.PI, 2 * i * Math.PI / 6); } // Add one instance of the fan to the model. SU.ComponentInstanceRef fi = new SU.ComponentInstanceRef(); SU.ComponentDefinitionCreateInstance(fanCD, fi); SU.EntitiesAddInstance(entities, fi, null); SUHelper.Finalize(path + @"\SixQuadFan.skp"); }
public override void Run(string path) { SU.EntitiesRef entities = SUHelper.Initialize(); SU.GeometryInputRef geometry = new SU.GeometryInputRef(); SU.GeometryInputCreate(geometry); foreach (SU.Point3D p in parentPoints) { SU.Point3D pc = p; pc.x *= SU.MetersToInches; pc.y *= SU.MetersToInches; pc.z *= SU.MetersToInches; SU.GeometryInputAddVertex(geometry, pc); } SU.LoopInputRef loop = new SU.LoopInputRef(); SU.LoopInputCreate(loop); SU.LoopInputAddVertexIndex(loop, 0); SU.LoopInputAddVertexIndex(loop, 1); SU.LoopInputAddVertexIndex(loop, 2); SU.LoopInputAddVertexIndex(loop, 3); long faceIndex; SU.GeometryInputAddFace(geometry, loop, out faceIndex); SU.EntitiesFill(entities, geometry, false); // Now the child. SU.ComponentDefinitionRef cd = new SU.ComponentDefinitionRef(); SU.ComponentDefinitionCreate(cd); // Add CD to the model.) SU.ComponentDefinitionRef[] defs = new SU.ComponentDefinitionRef[1]; defs[0] = cd; // You leave this out and SketchUp will add the definitions to the model // itself when it opens the model. But it will prompt you on close to save // the "changes" it thinks that adding the definitions made. SUHelper.ModelAddComponentDefinitions(defs); // Get the CD's Entities. SU.EntitiesRef cdEnts = new SU.EntitiesRef(); SU.ComponentDefinitionGetEntities(cd, cdEnts); // Define a Geometry for the CD. geometry = new SU.GeometryInputRef(); SU.GeometryInputCreate(geometry); foreach (SU.Point3D p in childPoints) { SU.Point3D pc = p; pc.x *= SU.MetersToInches; pc.y *= SU.MetersToInches; pc.z *= SU.MetersToInches; SU.GeometryInputAddVertex(geometry, pc); } loop = new SU.LoopInputRef(); SU.LoopInputCreate(loop); SU.LoopInputAddVertexIndex(loop, 0); SU.LoopInputAddVertexIndex(loop, 1); SU.LoopInputAddVertexIndex(loop, 2); SU.LoopInputAddVertexIndex(loop, 3); SU.GeometryInputAddFace(geometry, loop, out faceIndex); // Fill the CD's Entities with the Geometry. SU.EntitiesFill(cdEnts, geometry, true); SU.ComponentDefinitionSetName(cd, "Quad in XY"); SU.ComponentDefinitionSetDescription(cd, "A flat square with normal on positive Z"); // Create an instance of the CD. SU.ComponentInstanceRef ci = new SU.ComponentInstanceRef(); SU.ComponentDefinitionCreateInstance(cd, ci); SU.ComponentInstanceSetName(ci, "Child Quad"); SU.EntitiesAddInstance(entities, ci, null); SUHelper.Finalize(path + @"\TwoQuadsParentChild.skp"); }