text: /*
   *  MaplyGeomModel.h
   *  WhirlyGlobe-MaplyComponent
   *
   *  Created by Steve Gifford on 11/26/14.
   *  Copyright 2011-2017 mousebird consulting
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *  http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   */
  
  #import <UIKit/UIKit.h>
  #import "MaplyCoordinate.h"
  #import "MaplyMatrix.h"
  #import "MaplyShape.h"
  
  /** 
      Contains a big pile of geometry and textures (e.g. a model).
      
      The geometry model
   */
  @interface MaplyGeomModel : NSObject
  
  /** 
      Initialize with the full path to a Wavefront OBJ model file.
      
      This creates a model from a Wavefront OBJ file, a standard, simple file format for models.  You can then instance and place this model where you might like.
    */
  - (nullable instancetype)initWithObj:(NSString *__nonnull)fullPath;
  
  /** 
      Initialize with a shape.
      
      The given shape will be turned into a geometry model so it can be instanced.
    */
  - (nonnull instancetype)initWithShape:(MaplyShape *__nonnull)shape;
  
  @end
  
  
  /** 
      Place a geometry model at a given location
      
      Geometry models tend to be expensive so we load and place them in a two step process.  First you create the MaplyGeomModel and then you place it in one or more spots with this MaplyGeomModelInstance.
    */
  @interface MaplyGeomModelInstance : NSObject
  
  /** 
      User data object for selection
   
      When the user selects a feature and the developer gets it in their delegate, this is an object they can use to figure out what the model instance means to them.
   */
  @property (nonatomic,strong,nullable) id userObject;
  
  /// The model to instance
  @property (nonatomic,strong,nullable) MaplyGeomModel *model;
  
  /** 
      Where we'd like to place the instanced model.
      
      This is the center of the object in geographic radians.
   */
  @property (nonatomic) MaplyCoordinate3d center;
  
  /// Transform used to oriented the model instance
  @property (nonatomic,strong,nullable) MaplyMatrix *transform;
  
  /// Color to force all polygons to use.
  /// If set, this will force all polygons to use this color.  nil by default.
  @property (nonatomic,strong,nullable) UIColor *colorOverride;
  
  /// Set if you want to select these
  @property (nonatomic) bool selectable;
  
  @end
  
  /** 
      A version of the geometry model instance that moves.
      
      This version of the geometry model instance can move in a limited way over time.
    */
  @interface MaplyMovingGeomModelInstance : MaplyGeomModelInstance
  
  /// The end point for animation
  @property (nonatomic,assign) MaplyCoordinate3d endCenter;
  
  /// How long it will take to get to the endCenter
  @property (nonatomic,assign) NSTimeInterval duration;
  
  @end
  
  