试过可用unity2017 和5.6执行
可以在选项进行改变颜色 和条形选项改变笔的粗细
可以取消清除
可以在选项进行改变颜色 和条形选项改变笔的粗细
可以取消清除
代码片段和文件信息
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 10351 2020-03-31 15:52 LineRendererAssembly-CSharp.csproj
文件 5180 2017-12-23 18:03 LineRendererAssetsEmptyMaterial.mat
文件 207 2017-12-23 17:34 LineRendererAssetsEmptyMaterial.mat.meta
文件 66264 2017-12-23 20:00 LineRendererAssetsScenesMain.unity
文件 174 2017-12-23 17:22 LineRendererAssetsScenesMain.unity.meta
文件 191 2017-12-23 17:22 LineRendererAssetsScenes.meta
文件 3072 2017-12-23 19:51 LineRendererAssetsscriptsMspaint.cs
文件 262 2017-12-23 17:26 LineRendererAssetsscriptsMspaint.cs.meta
文件 191 2017-12-23 17:27 LineRendererAssetsscripts.meta
I.A.... 4116 2017-12-23 17:20 LineRendererLibraryAnnotationManager
I.A.... 4028024 2020-03-31 15:52 LineRendererLibraryassetDatabase3
I.A.... 9 2020-03-31 15:52 LineRendererLibraryAssetImportState
I.A.... 4756 2017-12-23 20:01 LineRendererLibraryAssetServerCacheV3
I.A.... 14336 2017-12-23 17:27 LineRendererLibraryAssetVersioning.db
I.A.... 0 2017-12-23 17:20 LineRendererLibraryBuildPlayer.prefs
I.A.... 4152 2017-12-23 17:20 LineRendererLibraryBuildSettings.asset
I.A.... 14428 2017-12-23 20:01 LineRendererLibraryCurrentLayout.dwlt
I.A.... 52 2020-03-31 15:52 LineRendererLibraryEditorInstance.json
I.A.... 4384 2017-12-23 19:07 LineRendererLibraryEditorUserBuildSettings.asset
I.A.... 4152 2017-12-23 17:20 LineRendererLibraryEditorUserSettings.asset
I.A.... 4152 2017-12-23 18:06 LineRendererLibraryexpandedItems
I.A.... 4152 2017-12-23 19:51 LineRendererLibraryInspectorExpandedItems.asset
I.A.... 23896 2017-12-23 20:01 LineRendererLibraryLastBuild.buildreport
I.A.... 74 2017-12-23 20:01 LineRendererLibraryLastSceneManagerSetup.txt
I.A.... 65 2017-12-23 17:20 LineRendererLibraryLibraryFormatVersion.txt
I.A.... 4253 2020-03-31 15:52 LineRendererLibrarymetadata 0 0000000000000001000000000000000
I.A.... 581 2020-03-31 15:52 LineRendererLibrarymetadata 0 0000000000000001000000000000000.info
I.A.... 4232 2020-03-31 15:51 LineRendererLibrarymetadata 0 0000000000000002000000000000000
I.A.... 577 2020-03-31 15:51 LineRendererLibrarymetadata 0 0000000000000002000000000000000.info
I.A.... 4232 2020-03-31 15:51 LineRendererLibrarymetadata 0 0000000000000003000000000000000
............此处省略1344个文件信息
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;
}
}
///
/// 添加要的画线包含的点
///
///
void AddPosition(Vector3 position)
{
position.z -= lineDistance;
positions.Add (position);
currentLine.positionCount = positions.Count;
currentLine.SetPositions (positions.ToArray ());
lastMousePostion = position;
}
///
/// 将鼠标的屏幕坐标投影到世界空间中
///
///
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 设置线条的颜色及粗细
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 < lines.Count; i++)
{
Destroy(lines[i]);
}
lines.Clear();
lineDistance = 0.1F;
}
#endregion
}
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 10351 2020-03-31 15:52 LineRendererAssembly-CSharp.csproj
文件 5180 2017-12-23 18:03 LineRendererAssetsEmptyMaterial.mat
文件 207 2017-12-23 17:34 LineRendererAssetsEmptyMaterial.mat.me
文件 66264 2017-12-23 20:00 LineRendererAssetsScenesMain.unity
文件 174 2017-12-23 17:22 LineRendererAssetsScenesMain.unity.me
文件 191 2017-12-23 17:22 LineRendererAssetsScenes.me
文件 3072 2017-12-23 19:51 LineRendererAssetssc
文件 262 2017-12-23 17:26 LineRendererAssetssc
文件 191 2017-12-23 17:27 LineRendererAssetssc
I.A.... 4116 2017-12-23 17:20 LineRendererLibraryAnnotationManager
I.A.... 4028024 2020-03-31 15:52 LineRendererLibraryassetDataba
I.A.... 9 2020-03-31 15:52 LineRendererLibraryAssetImportState
I.A.... 4756 2017-12-23 20:01 LineRendererLibraryAssetServerCacheV3
I.A.... 14336 2017-12-23 17:27 LineRendererLibraryAssetVersioning.db
I.A.... 0 2017-12-23 17:20 LineRendererLibraryBuildPla
I.A.... 4152 2017-12-23 17:20 LineRendererLibraryBuildSettings.asset
I.A.... 14428 2017-12-23 20:01 LineRendererLibraryCurrentLayout.dwlt
I.A.... 52 2020-03-31 15:52 LineRendererLibraryEditorInstance.json
I.A.... 4384 2017-12-23 19:07 LineRendererLibraryEditorUserBuildSettings.asset
I.A.... 4152 2017-12-23 17:20 LineRendererLibraryEditorUserSettings.asset
I.A.... 4152 2017-12-23 18:06 LineRendererLibraryexpandedItems
I.A.... 4152 2017-12-23 19:51 LineRendererLibraryInspectorExpandedItems.asset
I.A.... 23896 2017-12-23 20:01 LineRendererLibraryLastBuild.buildreport
I.A.... 74 2017-12-23 20:01 LineRendererLibraryLastSceneManagerSetup.txt
I.A.... 65 2017-12-23 17:20 LineRendererLibraryLibraryFormatVersion.txt
I.A.... 4253 2020-03-31 15:52 LineRendererLibraryme
I.A.... 581 2020-03-31 15:52 LineRendererLibraryme
I.A.... 4232 2020-03-31 15:51 LineRendererLibraryme
I.A.... 577 2020-03-31 15:51 LineRendererLibraryme
I.A.... 4232 2020-03-31 15:51 LineRendererLibraryme
............此处省略1344个文件信息
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