using?UnityEngine;
using?System.Collections;
using?System.Collections.Generic;

namespace?LOS?{

	///?

	///?LOS?camera.?
	///?Needs?to?be?placed?in?a?camera?for?the?system?to?work.
	///?

	[RequireComponent?（typeof（Camera））]
	public?class?LOSCamera?:?LOSobjectbase?{

		[HideInInspector]
		public?Vector2?halfViewboxSize;

		private?List?_viewbox;
		private?Camera?_camera;


		public?List?viewbox?{
			get?{
				if?（_viewbox?==?null）?{
					_viewbox?=?new?List（）;
					for?（int?i=0;?i<4;?i++）?{
						_viewbox.Add（new?ViewBoxLine（））;
					}
					UpdateViewingBox（）;
				}
				return?_viewbox;
			}
		}

		public?List?viewboxCorners?{
			get?{
				List?result?=?new?List（）;
				foreach?（var?line?in?viewbox）?{
					result.Add（line.end）;
				}
				return?result;
			}
		}

		public?void?UpdateViewingBox?（）?{
			Vector2?screenSize?=?SHelper.GetScreenSizeInWorld（unityCamera）;
			halfViewboxSize?=?screenSize?/?2?*?LOSManager.instance.viewboxExtension;
			
			Vector2?upperRight?=?new?Vector2（halfViewboxSize.x?halfViewboxSize.y）?+?SMath.Vec3ToVec2（_trans.position）;
			Vector2?upperLeft?=?new?Vector2（-halfViewboxSize.x?halfViewboxSize.y）?+?SMath.Vec3ToVec2（_trans.position）;
			Vector2?lowerLeft?=?new?Vector2（-halfViewboxSize.x?-halfViewboxSize.y）?+?SMath.Vec3ToVec2（_trans.position）;
			Vector2?lowerRight?=?new?Vector2（halfViewboxSize.x?-halfViewboxSize.y）?+?SMath.Vec3ToVec2（_trans.position）;
			
			viewbox[0].SetStartEnd（lowerRight?upperRight）;		//?right
			viewbox[1].SetStartEnd（upperRight?upperLeft）;		//?up
			viewbox[2].SetStartEnd（upperLeft?lowerLeft）;	//?left
			viewbox[3].SetStartEnd（lowerLeft?lowerRight）;	//?down
		}

		public?Camera?unityCamera?{
			get?{
				if?（_camera?==?null）?{
					_camera?=?GetComponent（）;
				}
				return?_camera;
			}
		}


		public?Vector3?GetCollisionPointWithViewBox?（Vector3?origin?Vector3?direction）?{
			Vector3?point?=?Vector3.zero;
			foreach?（var?line?in?viewbox）?{
				Vector2?q?=?line.start;
				Vector2?s?=?line.end?-?line.start;
				
				Vector2?p?=?SMath.Vec3ToVec2（origin）;
				Vector2?r?=?SMath.Vec3ToVec2（direction）;
				
				//?The?intersection?is?where?q?+?u*s?==?p?+?t*r?and?0?<=?u?<=?1?&&?0?<=?t
				//?t?=?（q???p）?×?s?/?（r?×?s）
				//?u?=?（q???p）?×?r?/?（r?×?s）
				
				float?crossRS?=?SMath.CrossProduct2D（r?s）;
				float?crossQP_S?=?SMath.CrossProduct2D（q?-?p?s）;
				float?crossQP_R?=?SMath.CrossProduct2D（q?-?p?r）;
				
				if?（crossRS?==?0）?{
					//?TODO:?other?situations
				}
				else?{
					float?t?=?crossQP_S?/?crossRS;
					float?u?=?crossQP_R?/?crossRS;
					
					if?（0?<=?u?&&?u?<=?1?&&?0?<=?t）?{
						point?=?q?+?u?*?s;
						break;
					}
				}
			}
			return?point;
		}
		
		//?Works?in?counter-clock?wise?pointA?is?the?one?with?smaller?angle?against?vector?（1?0）
		public?List?GetViewboxCornersBetweenPoints?（Vector3?pointA?Vector3?pointB?Vector3?origin?bool?give4CornersWhenAEqualB）?{
			poin

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\
?????文件?????????107??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core.meta
?????目錄???????????0??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\
?????文件?????????107??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\Event.meta
?????目錄???????????0??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\Event\
?????文件????????2571??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\Event\LOSEventManager.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\Event\LOSEventManager.cs.meta
?????文件????????3586??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\Event\LOSEventSource.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\Event\LOSEventSource.cs.meta
?????文件????????2015??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\Event\LOSEventTrigger.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\Event\LOSEventTrigger.cs.meta
?????文件????????4879??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSCamera.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSCamera.cs.meta
?????文件???????20743??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSFullScreenLight.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSFullScreenLight.cs.meta
?????文件???????11749??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSLightbase.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSLightbase.cs.meta
?????文件????????5532??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSManager.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSManager.cs.meta
?????文件?????????882??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSobjectbase.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSobjectbase.cs.meta
?????文件????????1369??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSObstacle.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSObstacle.cs.meta
?????文件????????7345??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSRadialLight.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Core\LOSRadialLight.cs.meta
?????文件?????????107??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Editor.meta
?????目錄???????????0??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Editor\
?????文件?????????942??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Editor\LOSFullScreenLightEditor.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Editor\LOSFullScreenLightEditor.cs.meta
?????文件????????2011??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Editor\LOSLightbaseEditor.cs
?????文件?????????178??2015-06-18?12:09??2D-Light-of-Sight-Unity-master\Editor\LOSLightbaseEditor.cs.meta
............此處省略103個文件信息