switch root namespace name to NITLOAD

2026-09-02 18:15:03 +08:00
parent 4218baad48
commit 7c7101ee48
502 changed files with 710 additions and 721 deletions
@@ -0,0 +1,60 @@
+// -----------------------------------------------------------------------------
+// file="PlainGeometryMesh"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using Nitload.Geometries;
+using Nitload.Mathematics;
+using Nitload.Mathematics.Numeric.Graphics;
+using System;
+using System.Runtime.InteropServices;
+
+namespace Nitload.Graphics
+{
+    public class PlainGeometryMesh
+    {
+
+        private readonly PlainGeometry _shape;
+        private readonly Vec2[] _textureCoordinates;
+        private readonly Image<Rgba8> _textureImage;
+
+        public PlainGeometryMesh(
+               PlainGeometry shape,
+               Image<Rgba8> texture,
+               Vec2[] texCoord
+        )
+        {
+            ArgumentNullException.ThrowIfNull(shape);
+            ArgumentNullException.ThrowIfNull(texture);
+            ArgumentNullException.ThrowIfNull(texCoord);
+
+            if (shape.VertexCount > texCoord.Length) {
+                throw new ArgumentException(
+                    paramName:nameof(texCoord),
+                    message:"Amount of texture coordination is too less");
+            }
+            _shape = shape;
+            _textureImage = texture;
+            _textureCoordinates = texCoord;
+        }
+
+        public Vec4[] VertexArray => _shape.VertexStream;
+
+        public Image<Rgba8> TextureImage => _textureImage;
+
+        public ReadOnlySpan<int> MeshIndices => _shape.VertexIndices;
+
+        public ReadOnlySpan<Vec4> TextureCoord => MemoryMarshal.Cast<Vec2, Vec4>(
+            _textureCoordinates);
+
+        public PlainGeometryMesh Resize(
+                                 PlainGeometry newShape
+        )
+        {
+            return new PlainGeometryMesh(newShape, _textureImage, _textureCoordinates);
+        }
+
+    }
+}