/* Copyright (c) 2013 Jesper Öqvist <jesper@llbit.se>
*
* This file is part of Chunky.
*
* Chunky is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chunky is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Chunky. If not, see <http://www.gnu.org/licenses/>.
*/
package se.llbit.chunky.model;
import se.llbit.chunky.resources.Texture;
import se.llbit.math.AABB;
import se.llbit.math.Ray;
public class CarpetModel {
private static AABB aabb = new AABB(0, 1, 0, 1 / 16., 0, 1);
public static boolean intersect(Ray ray, Texture texture) {
ray.t = Double.POSITIVE_INFINITY;
if (aabb.intersect(ray)) {
texture.getColor(ray);
ray.color.w = 1;
ray.distance += ray.tNext;
ray.o.scaleAdd(ray.tNext, ray.d);
return true;
}
return false;
}
}