namespace Yw.WpfUI.Hydro
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{
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/// <summary>
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/// 材质辅助类
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/// </summary>
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internal static class MaterialHelper
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{
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/// <summary>
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/// 创建标准材质（漫反射+高光）
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/// </summary>
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public static Material CreateMaterial
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(
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Color color,
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double ambient = 0.1,
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double specular = 0.5,
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double specularPower = 100
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)
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{
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var group = new MaterialGroup();
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// 环境光
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if (ambient > 0)
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{
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group.Children.Add(new EmissiveMaterial(
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new SolidColorBrush(ScaleColor(color, ambient))));
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}
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// 漫反射
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group.Children.Add(new DiffuseMaterial(
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new SolidColorBrush(color)));
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// 高光
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if (specular > 0)
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{
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group.Children.Add(new SpecularMaterial(
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new SolidColorBrush(Colors.White),
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specularPower * specular));
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}
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return group;
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}
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/// <summary>
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/// 创建纹理材质
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/// </summary>
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public static Material CreateMaterial
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(
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Brush brush,
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double specularPower = 100,
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double specularStrength = 0.2
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)
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{
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var group = new MaterialGroup();
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// 漫反射
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group.Children.Add(new DiffuseMaterial(brush));
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// 高光
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if (specularStrength > 0)
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{
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group.Children.Add(new SpecularMaterial(
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new SolidColorBrush(Colors.White),
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specularPower * specularStrength));
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}
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return group;
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}
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/// <summary>
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/// 创建纯色材质（性能最优）
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/// </summary>
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public static Material CreateSimpleMaterial(Color color)
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{
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return new DiffuseMaterial(new SolidColorBrush(color));
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}
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/// <summary>
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/// 创建发光材质
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/// </summary>
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public static Material CreateEmissiveMaterial(Color color, double strength = 1.0)
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{
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return new EmissiveMaterial(new SolidColorBrush(
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ScaleColor(color, strength)));
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}
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//缩放颜色
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private static Color ScaleColor(Color color, double factor)
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{
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return Color.FromArgb(
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color.A,
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(byte)(color.R * factor),
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(byte)(color.G * factor),
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(byte)(color.B * factor));
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}
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}
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}
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