daily update on 20240528 by nitload youmu

2024-05-28 17:45:54 +08:00
parent de399e22c2
commit 70890e3e33
88 changed files with 10678 additions and 5761 deletions
@@ -0,0 +1,58 @@
+using StgSharp.Geometries;
+using StgSharp.Math;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace StgSharp.Graphics
+{
+    public class PlainGeometryMesh
+    {
+        private IGeometry _shape;
+        private Image _texture;
+        private vec2d[] textureCoord;
+
+        public PlainGeometryMesh(
+            IGeometry shape, Image texture, IEnumerable<vec2d> texCoord
+            )
+        {
+            if (shape==null)
+            {
+                throw new ArgumentNullException(nameof(shape));
+            }
+            if (texCoord == null)
+            {
+                throw new ArgumentNullException(nameof(texCoord));
+            }
+
+            _shape = shape;
+            textureCoord = new vec2d[shape.VertexCount];
+            _texture = texture;
+            if (texCoord is not vec2d[] source)
+            {
+                source = texCoord.ToArray();
+            }
+            if (textureCoord.Length > source.Length)
+            {
+                throw new ArgumentException(paramName: nameof(texCoord), message: "Amount of texture coordination is too less");
+            }
+            Array.Copy(sourceArray: source, textureCoord, textureCoord.Length);
+            return;
+
+        }
+
+        public ReadOnlySpan<int> MeshIndices => _shape.VertexIndices;
+
+        public vec4d[] VertexArray => _shape.VertexStream;
+
+        public Image Texture 
+        {
+            get => _texture;
+            internal set => _texture = value;
+        }
+        
+        public vec2d[] TextureCoord => textureCoord;
+    }
+}