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Copy pathPlane.java
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89 lines (73 loc) · 2.56 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;
class Plane extends TransformedShape {
Vector Point;
Vector Normal;
Material Material;
Box box;
Plane() {
}
Plane(Vector point, Vector normal, Material mat) {
Point = point;
Normal = normal;
Material = mat;
box = new Box(new Vector(-Util.INF, -Util.INF, -Util.INF), new Vector(Util.INF, Util.INF, Util.INF));
}
public static Plane NewPlane(Vector point, Vector normal, Material material) {
return new Plane(point, normal.Normalize(), material);
}
@Override
public Box BoundingBox() {
return new Box(new Vector(-Util.INF, -Util.INF, -Util.INF), new Vector(Util.INF, Util.INF, Util.INF));
}
@Override
public Hit Intersect(Ray ray) {
double d = this.Normal.Dot(ray.Direction);
if (Math.abs(d) < Util.EPS) {
return Hit.NoHit;
}
Vector a = this.Point.Sub(ray.Origin);
double t = a.Dot(this.Normal) / d;
if (t < Util.EPS) {
return Hit.NoHit;
}
return new Hit(this, t, null);
}
@Override
public Vector NormalAt(Vector a) {
return Normal;
}
@Override
public Vector UV(Vector a) {
return new Vector();
}
@Override
public Material MaterialAt(Vector a) {
return Material;
}
@Override
public void Compile() {
}
}