/* Copyright (c) 2012 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 DragonEggModel {
private static final AABB[] egg =
new AABB[] {new AABB(5 / 16., 11 / 16., 0, 1 / 16., 5 / 16., 11 / 16.),
new AABB(2 / 16., 14 / 16., 1 / 16., 3 / 16., 2 / 16., 14 / 16.),
new AABB(1 / 16., 15 / 16., 3 / 16., 8 / 16., 1 / 16., 15 / 16.),
new AABB(2 / 16., 14 / 16., 8 / 16., 11 / 16., 2 / 16., 14 / 16.),
new AABB(3 / 16., 13 / 16., 11 / 16., 13 / 16., 3 / 16., 13 / 16.),
new AABB(4 / 16., 12 / 16., 13 / 16., 14 / 16., 4 / 16., 12 / 16.),
new AABB(5 / 16., 11 / 16., 14 / 16., 15 / 16., 5 / 16., 11 / 16.),
new AABB(6 / 16., 10 / 16., 15 / 16., 16 / 16., 6 / 16., 10 / 16.),};
public static boolean intersect(Ray ray) {
boolean hit = false;
ray.t = Double.POSITIVE_INFINITY;
for (AABB eggPart : egg) {
if (eggPart.intersect(ray)) {
Texture.dragonEgg.getColor(ray);
ray.t = ray.tNext;
hit = true;
}
}
if (hit) {
ray.color.w = 1;
ray.distance += ray.t;
ray.o.scaleAdd(ray.t, ray.d);
}
return hit;
}
}