/* * The MIT License * * Copyright 2023 akava. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package ptjava; public class Material { Colour Color; ITexture Texture; ITexture NormalTexture; ITexture BumpTexture; ITexture GlossTexture; double BumpMultiplier; double Emittance; double Index; double Gloss; double Tint; double Reflectivity; Boolean Transparent; Material() { } Material(Colour color, ITexture texture, ITexture normaltexture, ITexture bumptexture, ITexture glosstexture, double b, double e, double i, double g, double tint, double r, Boolean t) { Color = color; Texture = texture; NormalTexture = normaltexture; BumpTexture = bumptexture; GlossTexture = glosstexture; BumpMultiplier = b; Emittance = e; Index = i; Gloss = g; Tint = tint; Reflectivity = r; Transparent = t; } public static Material DiffuseMaterial(Colour color) { return new Material(color, null, null, null, null, 1, 0, 1, 0, 0, -1, false); } public static Material SpecularMaterial(Colour color, double index) { return new Material(color, null, null, null, null, 1, 0, index, 0, 0, -1, false); } public static Material GlossyMaterial(Colour color, double index, double gloss) { return new Material(color, null, null, null, null, 1, 0, index, gloss, 0, -1, false); } public static Material ClearMaterial(double index, double gloss) { return new Material(new Colour(0, 0, 0), null, null, null, null, 1, 0, index, gloss, 0, -1, true); } public static Material TransparentMaterial(Colour color, double index, double gloss, double tint) { return new Material(color, null, null, null, null, 1, 0, index, gloss, tint, -1, true); } public static Material MetallicMaterial(Colour color, double gloss, double tint) { return new Material(color, null, null, null, null, 1, 0, 1, gloss, tint, 1, false); } public static Material LightMaterial(Colour color, double emittance) { return new Material(color, null, null, null, null, 1, emittance, 1, 0, 0, -1, false); } static Material MaterialAt(IShape shape, Vector point) { Material material = shape.MaterialAt(point); Vector uv = shape.UV(point); if (material.Texture != null || material.GlossTexture != null) { material = new Material(material.Color, material.Texture, material.NormalTexture, material.BumpTexture, material.GlossTexture, material.BumpMultiplier, material.Emittance, material.Index, material.Gloss, material.Tint, material.Reflectivity, material.Transparent); if (material.Texture != null) { material.Color = material.Texture.Sample(uv.getX(), uv.getY()); } if (material.GlossTexture != null) { var c = material.GlossTexture.Sample(uv.getX(), uv.getY()); material.Gloss = (c.r + c.g + c.b) / 3; } } return material; } }