Java Array Cross Product cross(double v0x, double v0y, double v1x, double v1y)

Description

Calculates the 'cross product' of two vectors.

License

Apache License

Parameter

Parameter	Description
v0x	a parameter
v0y	a parameter
v1x	a parameter
v1y	a parameter

Declaration

public static double cross(double v0x, double v0y, double v1x, double v1y) 

Method Source Code

//package com.java2s;
/*/*from  w w  w .j a  va 2  s. co  m*/
 * Copyright 2011 Mark McKay
 * 
 * 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.
 */

public class Main {
    /**
     * Calculates the 'cross product' of two vectors.  This is the same as the
     * 3D version with the assumption that the vectors lie in the XY plane.  The
     * Z component of the cross product is returned.
     *
     * @param v0x
     * @param v0y
     * @param v1x
     * @param v1y
     * @return
     */
    public static double cross(double v0x, double v0y, double v1x, double v1y) {
        return v0x * v1y - v0y * v1x;
    }

    public static int cross(int v0x, int v0y, int v1x, int v1y) {
        return v0x * v1y - v0y * v1x;
    }
}

Related

1. cross(double v1[], double v2[])
2. cross(double[] p, double[] q)
3. cross(double[] vec1, double[] vec2, double[] outvec)
4. cross(final double[] a, final double[] b, final double[] c)