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/* MaplySun.h
* WhirlyGlobe-MaplyComponent
*
* Created by Steve Gifford on 6/24/15.
* Copyright 2011-2022 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 <WhirlyGlobe/MaplyComponentObject.h>
#import <WhirlyGlobe/WhirlyGlobeViewController.h>
#import <WhirlyGlobe/MaplyLight.h>
/**
Utility for calculating sun position and shading info.
This is a utility class that figures out where the sun is at a given date and provides positional information for lighting calculations.
*/
@interface MaplySun : NSObject
/**
Initialize with a date.
Initialize with the given date. The sun position will correspond to that.
*/
- (nonnull instancetype)initWithDate:(NSDate *__nonnull)date;
/// Return the vector corresponding to the sun location from the earth.
- (MaplyCoordinate3d)getDirection;
/// Makes up a light that corresponds to the sun's location at a given time
- (nonnull MaplyLight *)makeLight;
/// Returns the location above the globe in lon/lat. Yay geocentrism!
- (MaplyCoordinate3d)asPosition;
@end
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