Java Geometry Algorithm dot(Point a, Point b, Point c)

Description

Help function:

This function calculates the dot product of vector ab and bc.

License

Open Source License

Parameter

Parameter	Description
a	- one of the given point
b	- one of the given point
c	- one of the given point

Return

the dot product of ab and bc

Declaration

static int dot(Point a, Point b, Point c) 

Method Source Code

//package com.java2s;
import java.awt.Point;

public class Main {
    /**//from  w  w w  .j a v  a  2s . c  om
     * <p>
     * <strong>Help function:</strong>
     * </p><p>
     * This function calculates the dot product of vector ab and bc.
     * </p>
     *
     * @return the dot product of ab and bc
     *
     * @param a - one of the given point
     * @param b - one of the given point
     * @param c - one of the given point
     */
    static int dot(Point a, Point b, Point c) {
        return (b.x - a.x) * (c.x - b.x) + (b.y - a.y) * (c.y - b.y);
    }
}

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4. dot(@Nonnull Point2D pA, @Nonnull Point2D pB)
5. dot(final Point2D a, final Point2D b)
6. dotNorm(final Point2D a, final Point2D b)
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8. dx(Point a, Point b)
9. edge(Collection points)