using?System.Collections;
using?System.Collections.Generic;
using?UnityEngine;
using?UnityEngine.UI;
public?class?Mspaint?:?MonoBehaviour?
{

????private?Color?paintColor?=?Color.red;
	private?float?paintSize?=?0.3F;
	private?LineRenderer?currentLine;	
	private?List?positions=new?List（）;
????private?Listject>?lines?=?new?Listject>（）;
	private?bool?isMouseDown?=?false;
	private?Vector3?lastMousePostion?=?Vector3.zero;
	private?float?lineDistance?=?0.1F;


????public?Material?m_LineMaterial;
????public?Text?m_SizeValue;

	void?Update（）
????{
		if?（Input.GetMouseButtonDown?（0））
????????{
			Gameobject?go?=?new?Gameobject?（）;
???????????
			go.transform.SetParent?（this.transform）;
			currentLine?=?go.AddComponent?（）;
????????????currentLine.material?=?m_LineMaterial;
			currentLine.startWidth?=?paintSize;
			currentLine.endWidth?=?paintSize;
			currentLine.startColor?=?paintColor;
			currentLine.endColor?=?paintColor;
			currentLine.numCornerVertices?=?10;
			currentLine.numCapVertices?=?10;
			Vector3?position?=?GetMousePoint?（）;
			AddPosition?（position）;
			isMouseDown?=?true;
			lineDistance?+=?0.1F;
????????????lines.Add（go）;
		}
		if?（isMouseDown）?
????????{
			Vector3?position?=?GetMousePoint?（）;
????????????if?（Vector3.Distance（position?lastMousePostion）?>?0.05F）
????????????{
????????????????AddPosition（position）;
????????????}				
		}

		if?（Input.GetMouseButtonUp?（0））?
????????{
			currentLine?=?null;
			positions.Clear?（）;
			isMouseDown?=?false;
		}
	}

????///?

????///?添加要的畫線包含的點
????///?

????///?
	void?AddPosition（Vector3?position）
????{
		position.z?-=?lineDistance;
		positions.Add?（position）;?
		currentLine.positionCount?=?positions.Count;
		currentLine.SetPositions?（positions.ToArray?（））;
		lastMousePostion?=?position;
	}

????///?

????///?將鼠標的屏幕坐標投影到世界空間中
????///?

????///?
	Vector3?GetMousePoint（）
????{
		Ray?ray?=?Camera.main.ScreenPointToRay?（Input.mousePosition）;
		RaycastHit?hit;
		bool?isCollider?=?Physics.Raycast?（ray?out?hit）;
		if?（isCollider）?{
			return?hit.point;
		}
		return?Vector3.zero;
	}

	#region?設置線條的顏色及粗細
	public?void?OnRedColorChanged（bool?isOn?）
????{
		if?（isOn）
????????{
			paintColor?=?Color.red;
		}
	}
	public?void?OnGreenColorChanged（bool?isOn）
????{
		if?（isOn）?
????????{
			paintColor?=?Color.green;
		}
	}
	public?void?OnBlueColorChanged（bool?isOn）
????{
		if?（isOn）
????????{
			paintColor?=?Color.blue;
		}
	}

????public?void?OnSizeChanged（float?value）
????{
????????paintSize?=?value;
????????m_SizeValue.text?=?value.ToString（）;
????}

????public?void?OnClearBtnClick（）
????{
????????for?（int?i?=?0;?i?????????{
????????????Destroy（lines[i]）;
????????}
????????lines.Clear（）;
????????lineDistance?=?0.1F;
????}

	#endregion
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????10351??2020-03-31?15:52??LineRenderer\Assembly-CSharp.csproj

?????文件???????5180??2017-12-23?18:03??LineRenderer\Assets\EmptyMaterial.mat

?????文件????????207??2017-12-23?17:34??LineRenderer\Assets\EmptyMaterial.mat.meta

?????文件??????66264??2017-12-23?20:00??LineRenderer\Assets\Scenes\Main.unity

?????文件????????174??2017-12-23?17:22??LineRenderer\Assets\Scenes\Main.unity.meta

?????文件????????191??2017-12-23?17:22??LineRenderer\Assets\Scenes.meta

?????文件???????3072??2017-12-23?19:51??LineRenderer\Assets\scripts\Mspaint.cs

?????文件????????262??2017-12-23?17:26??LineRenderer\Assets\scripts\Mspaint.cs.meta

?????文件????????191??2017-12-23?17:27??LineRenderer\Assets\scripts.meta

????I.A....??????4116??2017-12-23?17:20??LineRenderer\Library\AnnotationManager

????I.A....???4028024??2020-03-31?15:52??LineRenderer\Library\assetDatabase3

????I.A....?????????9??2020-03-31?15:52??LineRenderer\Library\AssetImportState

????I.A....??????4756??2017-12-23?20:01??LineRenderer\Library\AssetServerCacheV3

????I.A....?????14336??2017-12-23?17:27??LineRenderer\Library\AssetVersioning.db

????I.A....?????????0??2017-12-23?17:20??LineRenderer\Library\BuildPlayer.prefs

????I.A....??????4152??2017-12-23?17:20??LineRenderer\Library\BuildSettings.asset

????I.A....?????14428??2017-12-23?20:01??LineRenderer\Library\CurrentLayout.dwlt

????I.A....????????52??2020-03-31?15:52??LineRenderer\Library\EditorInstance.json

????I.A....??????4384??2017-12-23?19:07??LineRenderer\Library\EditorUserBuildSettings.asset

????I.A....??????4152??2017-12-23?17:20??LineRenderer\Library\EditorUserSettings.asset

????I.A....??????4152??2017-12-23?18:06??LineRenderer\Library\expandedItems

????I.A....??????4152??2017-12-23?19:51??LineRenderer\Library\InspectorExpandedItems.asset

????I.A....?????23896??2017-12-23?20:01??LineRenderer\Library\LastBuild.buildreport

????I.A....????????74??2017-12-23?20:01??LineRenderer\Library\LastSceneManagerSetup.txt

????I.A....????????65??2017-12-23?17:20??LineRenderer\Library\LibraryFormatVersion.txt

????I.A....??????4253??2020-03-31?15:52??LineRenderer\Library\metadata\00\00000000000000001000000000000000

????I.A....???????581??2020-03-31?15:52??LineRenderer\Library\metadata\00\00000000000000001000000000000000.info

????I.A....??????4232??2020-03-31?15:51??LineRenderer\Library\metadata\00\00000000000000002000000000000000

????I.A....???????577??2020-03-31?15:51??LineRenderer\Library\metadata\00\00000000000000002000000000000000.info

????I.A....??????4232??2020-03-31?15:51??LineRenderer\Library\metadata\00\00000000000000003000000000000000

............此處省略1344個文件信息