FirstCommit

Author: divide-by-zero

Diff for: .gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto
+
+# Custom for Visual Studio
+*.cs     diff=csharp
+
+# Standard to msysgit
+*.doc	 diff=astextplain
+*.DOC	 diff=astextplain
+*.docx diff=astextplain
+*.DOCX diff=astextplain
+*.dot  diff=astextplain
+*.DOT  diff=astextplain
+*.pdf  diff=astextplain
+*.PDF	 diff=astextplain
+*.rtf	 diff=astextplain
+*.RTF	 diff=astextplain

Diff for: .gitignore

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+[Ll]ibrary/
+[Tt]emp/
+[Oo]bj/
+[Bb]uild/
+[Ww]eb/
+
+# Autogenerated VS/MD solution and project files
+/*.csproj
+/*.unityproj
+/*.sln
+/*.suo
+/*.user
+/*.userprefs
+/*.pidb
+/*.booproj
+*.apk
+
+#Unity3D Generated File On Crash Reports
+sysinfo.txt
+
+# =========================
+# Operating System Files
+# =========================
+
+# OSX
+# =========================
+
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Thumbnails
+._*
+
+# Files that might appear on external disk
+.Spotlight-V100
+.Trashes
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows
+# =========================
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+TenMinutes/TenMinutes.html
+*.apk
+TenMinutes/TenMinutes.unity3d

Diff for: Assets/DrawLine.cs

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+using System;
+using UnityEngine;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using GameUtil;
+
+public class DrawLine : MonoBehaviour
+{
+    [SerializeField] private float width;
+    [SerializeField] private GameObject linePrefab;
+
+    private GameObject targetObject;
+    private Mesh mesh;
+    private List<Vector2> l = new List<Vector2>();
+
+    private void CreateMesh(Mesh mesh,IEnumerable<Vector2> vlist)
+    {
+        mesh.Clear();
+        var vCnt = vlist.Count();
+        var vertices = new List<Vector3>();
+        var indices = new List<int>();
+        for (int i = 0; i < vCnt; i++)
+        {
+            var prevPos = vlist.ElementAt(Mathf.Max(0, i - 1));
+            var currentPos = vlist.ElementAt(i);
+            var nextPos = vlist.ElementAt(Mathf.Min(vCnt - 1, i + 1));
+            //一つ手前と、一つ先のベクトルから、向いている方向を得る
+            var vec = prevPos - nextPos;
+            if(vec.magnitude < 0.05f)continue;  //あまり頂点の間が空いてないのであればスキップする
+            var v = vec.normalized * width;
+
+            //指定した横幅に広げる
+            vertices.Add(new Vector3(currentPos.x + v.y,currentPos.y - v.x));
+            vertices.Add(new Vector3(currentPos.x - v.y,currentPos.y + v.x));
+        }
+
+        for (int index = 0; index < vertices.Count-2; index+=2)
+        {
+            indices.Add(index);
+            indices.Add(index+2);
+            indices.Add(index+1);
+
+            indices.Add(index+1);
+            indices.Add(index+2);
+            indices.Add(index+3);
+        }
+
+        mesh.SetVertices(vertices);
+        mesh.SetIndices(indices.ToArray(),MeshTopology.Triangles,0);
+    }
+
+    public void Update()
+    {
+        if (Input.GetMouseButtonDown(0))
+        {
+            targetObject = Instantiate(linePrefab);
+            mesh = null;
+            l.Clear();
+        }
+        if (Input.GetMouseButton(0))
+        {
+            Vector3 pos;
+            MouseUtil.UnprojectMousePositionXY(out pos, Input.mousePosition);
+
+            //既にあるオブジェクトに当たりそうならそこで生成を辞める
+            if (Physics2D.CircleCast(pos, 0.2f, Vector2.zero))
+            {
+                Debug.Log("Hit");
+            }
+
+            l.Add(pos);
+            targetObject.GetComponent<MeshFilter>().mesh = mesh ?? (mesh = new Mesh());
+            CreateMesh(mesh,l);
+        }
+        if (Input.GetMouseButtonUp(0) && targetObject != null)
+        {
+            var rigibody = targetObject.AddComponent<Rigidbody2D>();
+            rigibody.useAutoMass = true;
+            var polyColliderPos = CreateMeshToPolyCollider(mesh);
+            var polyCollider = targetObject.AddComponent<PolygonCollider2D>();
+            polyCollider.SetPath(0,polyColliderPos.ToArray());
+        }
+    }
+
+    private List<Vector2> CreateMeshToPolyCollider(Mesh mesh)
+    {
+        var polyColliderPos = new List<Vector2>();
+        for (int index = 0; index < mesh.vertices.Length; index+=2)
+        {
+            var pos = mesh.vertices[index];
+            polyColliderPos.Add(pos);
+        }
+        for (int index = mesh.vertices.Length-1; index > 0; index-=2)
+        {
+            var pos = mesh.vertices[index];
+            polyColliderPos.Add(pos);
+        }
+        return polyColliderPos;
+    }
+}

Diff for: Assets/DrawLine.cs.meta

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+using UnityEngine;
+
+namespace GameUtil
+{
+	public class MouseUtil{
+		public static bool UnprojectMousePosition(out Vector3 worldPos, Vector2 mousePos,Plane plane) {
+			float depth;
+			Camera cam = Camera.main;
+			if (cam == null) cam = Camera.current;
+			if (cam == null) {
+				worldPos = Vector3.zero;
+				return false;
+			}
+			Ray ray = cam.ScreenPointToRay(mousePos);
+
+			if (plane.Raycast(ray, out depth)) {
+				worldPos = ray.origin + ray.direction * depth;
+				return true;
+			} else {
+				worldPos = Vector3.zero;
+				return false;
+			}
+		}
+
+        public static bool UnprojectMousePositionXZ(out Vector3 worldPos, Vector2 mousePos)
+        {
+            return UnprojectMousePosition(out worldPos, mousePos, new Plane(Vector3.up, new Vector3(0, 0, 0)));  //原点の位置にある、無限に広がるXZ平面//
+        }
+
+        public static bool UnprojectMousePositionXY(out Vector3 worldPos, Vector2 mousePos)
+        {
+            return UnprojectMousePosition(out worldPos, mousePos, new Plane(Vector3.forward, new Vector3(0, 0, 0)));  //原点の位置にある、無限に広がるXY平面//
+        }
+
+        public static Vector3 ClampToScreen(Vector3 worldPos) {
+			Camera cam = Camera.main;
+			if (cam == null) cam = Camera.current;
+			if (cam == null) {
+				return Vector3.zero;
+			}
+			return cam.WorldToViewportPoint(worldPos);
+		}		
+	}
+}

Diff for: Assets/DrawLine.prefab

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+m_EditorVersion: 5.3.4p5
+m_StandardAssetsVersion: 0