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Copy pathMaterial.java
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117 lines (100 loc) · 4.23 KB
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/*
* 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;
}
}