67 lines
2.0 KiB
C#
67 lines
2.0 KiB
C#
using StgSharp.Geometries;
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using StgSharp.Math;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace StgSharp.Graphics
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{
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public class PlainGeometryMesh
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{
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private PlainGeometry _shape;
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private TextureProvider _texture;
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//private Image _texture;
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public PlainGeometryMesh(
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PlainGeometry shape, Image texture, vec2d[] texCoord
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)
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{
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if (shape==null)
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{
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throw new ArgumentNullException(nameof(shape));
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}
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if (texCoord == null)
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{
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throw new ArgumentNullException(nameof(texCoord));
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}
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if (shape.VertexCount > texCoord.Length)
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{
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throw new ArgumentException(paramName: nameof(texCoord), message: "Amount of texture coordination is too less");
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}
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_texture = new TextureProvider(texture,texCoord);
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}
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public PlainGeometryMesh([NotNull]PlainGeometry shape, [NotNull]TextureProvider texture)
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{
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if (shape.VertexCount > texture.TextureCoordinate.Length)
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{
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throw new ArgumentException(paramName: nameof(texture), message: "Amount of texture coordination is too less");
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}
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_texture = texture;
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_shape = shape;
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}
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public PlainGeometryMesh Resize(PlainGeometry newShape)
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{
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return new PlainGeometryMesh(newShape, _texture);
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}
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public ReadOnlySpan<int> MeshIndices => _shape.VertexIndices;
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public vec4d[] VertexArray => _shape.VertexStream;
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public Image TextureImage
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{
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get => _texture.ProvideImage();
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internal set => _texture.ReadImage( value);
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}
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public ReadOnlySpan<vec4d> TextureCoord => MemoryMarshal.Cast<vec2d,vec4d>( _texture.TextureCoordinate);
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}
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}
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