//EDITOR CLASS TO CREATE QUAD MESH WITH SPECIFIED ANCHOR //Created by Alan Thorn on 23.01.2013 //------------------------------------------------ using UnityEngine; using UnityEditor; using System.IO; //------------------------------------------------ //Run from unity editor. This class should be placed in Editor folder public class CreateQuad : ScriptableWizard { //Anchor point for created quad public enum AnchorPoint { TopLeft, TopMiddle, TopRight, RightMiddle, BottomRight, BottomMiddle, BottomLeft, LeftMiddle, Center, Custom } //Name of Quad Asset public string MeshName = "Quad"; //Game Object Name public string GameObjectName = "Plane_Object"; //Name of asset folder to contain quad asset when created public string AssetFolder = "Assets"; //Width of quad in world units (pixels) public float Width = 1.0f; //Height of quad in world units (pixels) public float Height = 1.0f; //Position of Anchor public AnchorPoint Anchor = AnchorPoint.Center; //Horz Position of Anchor on Plane public float AnchorX = 0.5f; //Vert Position of Anchor on Plane public float AnchorY = 0.5f; //------------------------------------------------ [MenuItem("GameObject/Create Other/Custom Plane")] static void CreateWizard() { ScriptableWizard.DisplayWizard("Create Plane",typeof(CreateQuad)); } //------------------------------------------------ //Function called when window is created void OnEnable() { //Call selection change to load asset path from selected, if any OnSelectionChange(); } //------------------------------------------------ //Called 10 times per second void OnInspectorUpdate() { switch(Anchor) { //Anchor is set to top-left case AnchorPoint.TopLeft: AnchorX = 0.0f * Width; AnchorY = 1.0f * Height; break; //Anchor is set to top-middle case AnchorPoint.TopMiddle: AnchorX = 0.5f * Width; AnchorY = 1.0f * Height; break; //Anchor is set to top-right case AnchorPoint.TopRight: AnchorX = 1.0f * Width; AnchorY = 1.0f * Height; break; //Anchor is set to right-middle case AnchorPoint.RightMiddle: AnchorX = 1.0f * Width; AnchorY = 0.5f * Height; break; //Anchor is set to Bottom-Right case AnchorPoint.BottomRight: AnchorX = 1.0f * Width; AnchorY = 0.0f * Height; break; //Anchor is set to Bottom-Middle case AnchorPoint.BottomMiddle: AnchorX = 0.5f * Width; AnchorY = 0.0f * Height; break; //Anchor is set to Bottom-Left case AnchorPoint.BottomLeft: AnchorX = 0.0f * Width; AnchorY = 0.0f * Height; break; //Anchor is set to Left-Middle case AnchorPoint.LeftMiddle: AnchorX = 0.0f * Width; AnchorY = 0.5f * Height; break; //Anchor is set to center case AnchorPoint.Center: AnchorX = 0.5f * Width; AnchorY = 0.5f * Height; break; case AnchorPoint.Custom: default: break; } } //------------------------------------------------ //Function called when window is updated void OnSelectionChange() { //Check user selection in editor - check for folder selection if (Selection.objects != null && Selection.objects.Length == 1) { //Get path from selected asset AssetFolder = Path.GetDirectoryName(AssetDatabase.GetAssetPath(Selection.objects[0])); } } //------------------------------------------------ //Function to create quad mesh void OnWizardCreate() { //Create Vertices Vector3[] Vertices = new Vector3[4]; //Create UVs Vector2[] UVs = new Vector2[4]; //Two triangles of quad int[] Triangles = new int[6]; //Assign vertices based on pivot //Bottom-left Vertices[0].x = -AnchorX; Vertices[0].y = -AnchorY; //Bottom-right Vertices[1].x = Vertices[0].x+Width; Vertices[1].y = Vertices[0].y; //Top-left Vertices[2].x = Vertices[0].x; Vertices[2].y = Vertices[0].y+Height; //Top-right Vertices[3].x = Vertices[0].x+Width; Vertices[3].y = Vertices[0].y+Height; //Assign UVs //Bottom-left UVs[0].x=0.0f; UVs[0].y=0.0f; //Bottom-right UVs[1].x=1.0f; UVs[1].y=0.0f; //Top-left UVs[2].x=0.0f; UVs[2].y=1.0f; //Top-right UVs[3].x=1.0f; UVs[3].y=1.0f; //Assign triangles Triangles[0]=3; Triangles[1]=1; Triangles[2]=2; Triangles[3]=2; Triangles[4]=1; Triangles[5]=0; //Generate mesh Mesh mesh = new Mesh(); mesh.name = MeshName; mesh.vertices = Vertices; mesh.uv = UVs; mesh.triangles = Triangles; mesh.RecalculateNormals(); //Create asset in database AssetDatabase.CreateAsset(mesh, AssetDatabase.GenerateUniqueAssetPath(AssetFolder + "/" + MeshName) + ".asset"); AssetDatabase.SaveAssets(); //Create plane game object GameObject plane = new GameObject(GameObjectName); MeshFilter meshFilter = (MeshFilter)plane.AddComponent(typeof(MeshFilter)); plane.AddComponent(typeof(MeshRenderer)); //Assign mesh to mesh filter meshFilter.sharedMesh = mesh; mesh.RecalculateBounds(); //Add a box collider component plane.AddComponent(typeof(BoxCollider)); } //------------------------------------------------ }