Added a default material for generated meshes. Added a ShapeEditorTar…

…get MonoBehaviour that can receive built meshes.

.gitignore

@@ -34,3 +34,6 @@ sysinfo.txt
 # Builds
 *.apk
 *.unitypackage
+
+# Substance
+.autosave/

Materials/ShapeEditorDefault.mat

@@ -0,0 +1,78 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: ShapeEditorDefault
+  m_Shader: {fileID: 46, guid: 0000000000000000f000000000000000, type: 0}
+  m_ShaderKeywords: _METALLICGLOSSMAP _NORMALMAP
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - _BumpMap:
+        m_Texture: {fileID: 2800000, guid: 785f3fb21ee25d643b81d536fcf61951, type: 3}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailAlbedoMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailMask:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailNormalMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _EmissionMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _MainTex:
+        m_Texture: {fileID: 2800000, guid: 7a723bf287be9ea47801680e62258c8e, type: 3}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _MetallicGlossMap:
+        m_Texture: {fileID: 2800000, guid: 2178d4ef43869dc4b8916febd5b2b3d1, type: 3}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _OcclusionMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _ParallaxMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - _BumpScale: 1
+    - _Cutoff: 0.5
+    - _DetailNormalMapScale: 1
+    - _DstBlend: 0
+    - _GlossMapScale: 1
+    - _Glossiness: 0.5
+    - _GlossyReflections: 1
+    - _Metallic: 0
+    - _Mode: 0
+    - _OcclusionStrength: 1
+    - _Parallax: 0.02
+    - _SmoothnessTextureChannel: 0
+    - _SpecularHighlights: 1
+    - _SrcBlend: 1
+    - _UVSec: 0
+    - _ZWrite: 1
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+  m_BuildTextureStacks: []

Resources/ShapeEditorResources.asset

@@ -45,5 +45,6 @@ MonoBehaviour:
   shapeEditorZoomOut: {fileID: 2800000, guid: 62299d3e26649b442aed157a222ab744, type: 3}
   shapeEditorFontSegoeUI14Xml: {fileID: 4900000, guid: 96c44120173bdb24081e0676c015daee, type: 3}
   shapeEditorFontSegoeUI14: {fileID: 2800000, guid: 4c29aef198600c443825fa46c0b76761, type: 3}
+  shapeEditorDefaultMaterial: {fileID: 2100000, guid: 10af3fe77d7a84a4d951b38b54533f7a, type: 2}
   shapeEditorGridMaterial: {fileID: 2100000, guid: 021e83c5ba89e754d8fb2194fde8819e, type: 2}
   shapeEditorGuiMaterial: {fileID: 2100000, guid: d1dffd627a249ca498ba91dd9d46daf2, type: 2}

Scripts/Editor/ShapeEditorTarget.cs

@@ -0,0 +1,27 @@
+#if UNITY_EDITOR
+
+using UnityEngine;
+
+namespace AeternumGames.ShapeEditor
+{
+    /// <summary>
+    /// Represents a mesh target that, when selected, can receive meshes created by the 2D Shape Editor.
+    /// </summary>
+    [RequireComponent(typeof(MeshFilter))]
+    [RequireComponent(typeof(MeshRenderer))]
+    public class ShapeEditorTarget : MonoBehaviour
+    {
+        public void OnShapeEditorMesh(Mesh mesh)
+        {
+            var meshFilter = GetComponent<MeshFilter>();
+            var meshRenderer = GetComponent<MeshRenderer>();
+            meshFilter.mesh = mesh;
+            if (!meshRenderer.sharedMaterial)
+            {
+                meshRenderer.sharedMaterial = ShapeEditorResources.Instance.shapeEditorDefaultMaterial;
+            }
+        }
+    }
+}
+
+#endif

Scripts/Editor/ShapeEditorWindow.cs

@@ -386,9 +386,15 @@ internal void OnCreatePolygonMeshTest()
                 // generate a mesh.
                 var mesh = MeshGenerator.CreatePolygonMesh(convexPolygons);
 
-                var go = new GameObject("2D Shape Editor Polygon");
-                go.AddComponent<MeshFilter>().sharedMesh = mesh;
-                go.AddComponent<MeshRenderer>();//.material = ???
+                var transform = Selection.activeTransform;
+                if (transform)
+                {
+                    var target = transform.GetComponent<ShapeEditorTarget>();
+                    if (target)
+                    {
+                        target.OnShapeEditorMesh(mesh);
+                    }
+                }
             }
         }
     }

Scripts/ShapeEditor/Generators/MeshGenerator.cs

@@ -24,8 +24,6 @@ public static Mesh CreatePolygonMesh(List<Vertices> convexPolygons)
             foreach (var polygon in convexPolygons)
             {
                 var vertexCount = polygon.Count;
-                Debug.Log(vertexCount);
-
                 for (int i = 0; i < vertexCount; i++)
                 {
                     vertices.Add(new Vector3(polygon[i].x, -polygon[i].y));
@@ -44,9 +42,32 @@ public static Mesh CreatePolygonMesh(List<Vertices> convexPolygons)
 
             mesh.SetVertices(vertices);
             mesh.SetTriangles(triangles, 0);
+            mesh.SetUVs(0, GenerateUV0_SabreCSG(vertices));
+
+            mesh.RecalculateNormals();
+            mesh.RecalculateTangents();
 
             return mesh;
         }
+
+        private static Vector2[] GenerateUV0_SabreCSG(List<Vector3> vertices)
+        {
+            var results = new Vector2[vertices.Count];
+
+            var plane = new Plane(vertices[0], vertices[1], vertices[2]);
+
+            Vector3 planeNormal = plane.normal;
+            Quaternion cancellingRotation = Quaternion.Inverse(Quaternion.LookRotation(-planeNormal));
+            // Sets the UV at each point to the position on the plane
+            for (int i = 0; i < results.Length; i++)
+            {
+                Vector3 position = vertices[i];
+                Vector2 uv = new Vector3(0.5f, 0.5f, 0f) + (cancellingRotation * position);
+                results[i] = uv;
+            }
+
+            return results;
+        }
     }
 }
 

Scripts/Utilities/ShapeEditorResources.cs

@@ -74,6 +74,7 @@ private static void LoadResources()
         public TextAsset shapeEditorFontSegoeUI14Xml;
         public Texture2D shapeEditorFontSegoeUI14;
 
+        public Material shapeEditorDefaultMaterial;
         public Material shapeEditorGridMaterial;
         public Material shapeEditorGuiMaterial;