61 lines
1.8 KiB
C#
61 lines
1.8 KiB
C#
// -----------------------------------------------------------------------------
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// file="PlainGeometryMesh"
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// Project: StgSharp
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// Copyright (c) Nitload.
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// SPDX-License-Identifier: MIT
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// -----------------------------------------------------------------------------
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using Nitload.Geometries;
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using Nitload.Mathematics;
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using Nitload.Mathematics.Numeric.Graphics;
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using System;
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using System.Runtime.InteropServices;
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namespace Nitload.Graphics
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{
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public class PlainGeometryMesh
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{
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private readonly Vec2<float>[] _textureCoordinates;
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private readonly Image<Rgba8> _textureImage;
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private readonly PlainGeometry _shape;
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public PlainGeometryMesh(
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PlainGeometry shape,
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Image<Rgba8> texture,
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Vec2<float>[] texCoord
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)
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{
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ArgumentNullException.ThrowIfNull(shape);
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ArgumentNullException.ThrowIfNull(texture);
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ArgumentNullException.ThrowIfNull(texCoord);
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if (shape.VertexCount > texCoord.Length) {
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throw new ArgumentException(
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paramName:nameof(texCoord),
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message:"Amount of texture coordination is too less");
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}
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_shape = shape;
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_textureImage = texture;
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_textureCoordinates = texCoord;
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}
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public Vec3<float>[] VertexArray => _shape.VertexStream;
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public Image<Rgba8> TextureImage => _textureImage;
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public ReadOnlySpan<int> MeshIndices => _shape.VertexIndices;
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public ReadOnlySpan<Vec2<float>> TextureCoord => _textureCoordinates;
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public PlainGeometryMesh Resize(
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PlainGeometry newShape
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)
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{
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return new PlainGeometryMesh(newShape, _textureImage, _textureCoordinates);
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}
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}
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}
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