Initial Commit

Assets/Imstk/Scripts/Geometry/ImstkMesh.cs

@@ -0,0 +1,81 @@
+/*=========================================================================
+
+   Library: iMSTK-Unity
+
+   Copyright (c) Kitware, Inc. 
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0.txt
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+=========================================================================*/
+
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace ImstkUnity
+{
+    /// <summary>
+    /// Roles all meshes into one class. ie: PointSet, LineMesh, SurfaceMesh,
+    /// TetMesh, HexMesh
+    /// </summary>
+    public class ImstkMesh : Geometry
+    {
+        /// <summary>
+        /// Map of some geometry types to number of cell points
+        /// </summary>
+        public static Dictionary<GeometryType, int> typeToNumPts = new Dictionary<GeometryType, int>()
+        {
+            { GeometryType.PointSet, 1 },
+            { GeometryType.LineMesh, 2 },
+            { GeometryType.SurfaceMesh, 3 },
+            { GeometryType.TetrahedralMesh, 4 },
+            { GeometryType.HexahedralMesh, 8 }
+        };
+
+        public int[] indices = new int[0];
+        public Vector3[] vertices = new Vector3[0];
+        public Vector2[] texCoords = new Vector2[0];
+
+        //public void CopyTo(ImstkMesh geometry)
+        //{
+        //    geometry.type = type;
+        //    geometry.vertices = new Vector3[vertices.Length];
+        //    vertices.CopyTo(geometry.vertices, 0);
+        //    geometry.texCoords = new Vector2[texCoords.Length];
+        //    texCoords.CopyTo(geometry.texCoords, 0);
+        //    geometry.indices = new int[indices.Length];
+        //    indices.CopyTo(geometry.indices, 0);
+        //}
+
+        public void SetVertices(Vector3[] vertices, Matrix4x4 transform)
+        {
+            this.vertices = new Vector3[vertices.Length];
+            for (int i = 0; i < vertices.Length; i++)
+            {
+                this.vertices[i] = transform.MultiplyPoint(vertices[i]);
+            }
+        }
+        public void SetVertices(Vector3[] vertices) { this.vertices = vertices; }
+
+        public void SetTexCoords(Vector2[] texCoords) { this.texCoords = texCoords; }
+
+        public void SetIndices(int[] indices) { this.indices = indices; }
+
+        public void Transform(Matrix4x4 transform)
+        {
+            for (int i = 0; i < vertices.Length; i++)
+            {
+                vertices[i] = transform.MultiplyPoint(vertices[i]);
+            }
+        }
+    }
+}