/*******************************************************************************
* Copyright 2012 Geoscience Australia
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package au.gov.ga.earthsci.common.math.vector;
/**
* {@link Vector} implementation that represents a 3-dimensional vector.
*
* @author Michael de Hoog (michael.dehoog@ga.gov.au)
*/
@SuppressWarnings("serial")
public class Vector3 implements Vector<Vector3>
{
public final static Vector3 ZERO = new Vector3(0, 0, 0);
public final static Vector3 UNIT_X = new Vector3(1, 0, 0);
public final static Vector3 UNIT_Y = new Vector3(0, 1, 0);
public final static Vector3 UNIT_Z = new Vector3(0, 0, 1);
public double x;
public double y;
public double z;
public Vector3()
{
}
public Vector3(Vector3 v)
{
set(v);
}
public Vector3(double x, double y, double z)
{
set(x, y, z);
}
@Override
public Vector3 createNew()
{
return new Vector3();
}
@Override
public Vector3 clone()
{
return new Vector3(this);
}
@Override
public Vector3 set(Vector3 v)
{
return set(v.x, v.y, v.z);
}
public Vector3 set(double x, double y, double z)
{
this.x = x;
this.y = y;
this.z = z;
return this;
}
@Override
public Vector3 mult(Vector3 v)
{
return mult(v, null);
}
@Override
public Vector3 mult(Vector3 v, Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.x = x * v.x;
store.y = y * v.y;
store.z = z * v.z;
return store;
}
@Override
public Vector3 multLocal(Vector3 v)
{
x *= v.x;
y *= v.y;
z *= v.z;
return this;
}
@Override
public Vector3 mult(double s)
{
return mult(s, null);
}
@Override
public Vector3 mult(double s, Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.x = x * s;
store.y = y * s;
store.z = z * s;
return store;
}
@Override
public Vector3 multLocal(double s)
{
x *= s;
y *= s;
z *= s;
return this;
}
@Override
public Vector3 divide(Vector3 v)
{
return divide(v, null);
}
@Override
public Vector3 divide(Vector3 v, Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.x = x / v.x;
store.y = y / v.y;
store.z = z / v.z;
return store;
}
@Override
public Vector3 divideLocal(Vector3 v)
{
x /= v.x;
y /= v.y;
z /= v.z;
return this;
}
@Override
public Vector3 divide(double s)
{
return divide(s, null);
}
@Override
public Vector3 divide(double s, Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.x = x / s;
store.y = y / s;
store.z = z / s;
return store;
}
@Override
public Vector3 divideLocal(double s)
{
x /= s;
y /= s;
z /= s;
return this;
}
@Override
public Vector3 add(Vector3 v)
{
return add(v, null);
}
@Override
public Vector3 add(Vector3 v, Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.x = x + v.x;
store.y = y + v.y;
store.z = z + v.z;
return store;
}
@Override
public Vector3 addLocal(Vector3 v)
{
x += v.x;
y += v.y;
z += v.z;
return this;
}
@Override
public Vector3 subtract(Vector3 v)
{
return subtract(v, null);
}
@Override
public Vector3 subtract(Vector3 v, Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.x = x - v.x;
store.y = y - v.y;
store.z = z - v.z;
return store;
}
@Override
public Vector3 subtractLocal(Vector3 v)
{
x -= v.x;
y -= v.y;
z -= v.z;
return this;
}
@Override
public Vector3 max(Vector3 v)
{
return max(v, null);
}
@Override
public Vector3 max(Vector3 v, Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.x = Math.max(x, v.x);
store.y = Math.max(y, v.y);
store.z = Math.max(z, v.z);
return store;
}
@Override
public Vector3 maxLocal(Vector3 v)
{
x = Math.max(x, v.x);
y = Math.max(y, v.y);
z = Math.max(z, v.z);
return this;
}
@Override
public Vector3 min(Vector3 v)
{
return min(v, null);
}
@Override
public Vector3 min(Vector3 v, Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.x = Math.min(x, v.x);
store.y = Math.min(y, v.y);
store.z = Math.min(z, v.z);
return store;
}
@Override
public Vector3 minLocal(Vector3 v)
{
x = Math.min(x, v.x);
y = Math.min(y, v.y);
z = Math.min(z, v.z);
return this;
}
@Override
public double distanceSquared()
{
return x * x + y * y + z * z;
}
@Override
public double distance()
{
return Math.sqrt(distanceSquared());
}
@Override
public Vector3 zeroLocal()
{
x = 0d;
y = 0d;
z = 0d;
return this;
}
@Override
public Vector3 negate()
{
return negate(null);
}
@Override
public Vector3 negate(Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.x = -x;
store.y = -y;
store.z = -z;
return store;
}
@Override
public Vector3 negateLocal()
{
x = -x;
y = -y;
z = -z;
return this;
}
@Override
public Vector3 interpolate(Vector3 v, double percent)
{
return interpolate(v, percent, null);
}
@Override
public Vector3 interpolate(Vector3 v, double percent, Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.x = interpolate(x, v.x, percent);
store.y = interpolate(y, v.y, percent);
store.z = interpolate(z, v.z, percent);
return store;
}
@Override
public Vector3 interpolateLocal(Vector3 v, double percent)
{
x = interpolate(x, v.x, percent);
y = interpolate(y, v.y, percent);
z = interpolate(z, v.z, percent);
return this;
}
public static double interpolate(double d1, double d2, double percent)
{
return d1 * (1 - percent) + d2 * percent;
}
@Override
public Vector3 normalize()
{
return normalize(null);
}
@Override
public Vector3 normalize(Vector3 store)
{
if (store == null)
{
store = new Vector3();
}
store.divide(distance());
return store;
}
@Override
public Vector3 normalizeLocal()
{
return divideLocal(distance());
}
@Override
public boolean equals(Object other)
{
return (other instanceof Vector3) && other != null && this.x == ((Vector3) other).x
&& this.y == ((Vector3) other).y && this.z == ((Vector3) other).z;
}
@SuppressWarnings("nls")
@Override
public String toString()
{
return this.getClass().getName() + " (" + x + ", " + y + ", " + z + ")";
}
}