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package mightypork.utils.math.coord;
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import java.util.Random;
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import mightypork.utils.math.Calc;
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/**
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* Coordinate class, object with three or two double coordinates.<br>
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*
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* @author MightyPork
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*/
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public class Coord {
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/** RNG */
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protected static Random rand = new Random();
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/**
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* Get distance to other point
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*
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* @param a point a
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* @param b point b
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* @return distance in units
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*/
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public static double dist(Coord a, Coord b)
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{
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return a.distTo(b);
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}
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/**
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* Generate random coord (gaussian)
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*
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* @param max max distance from 0
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* @return new coord
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*/
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public static Coord random(double max)
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{
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return new Coord(Calc.clampd(rand.nextGaussian() * max, -max * 2, max * 2), Calc.clampd(rand.nextGaussian() * max, -max * 2, max * 2),
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Calc.clampd(rand.nextGaussian() * max, -max * 2, max * 2));
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}
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/**
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* Generate random coord (min-max)
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*
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* @param min min offset
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* @param max max offset
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* @return new coord
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*/
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public static Coord random(double min, double max)
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{
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return new Coord((rand.nextBoolean() ? -1 : 1) * (min + rand.nextDouble() * (max - min)), (rand.nextBoolean() ? -1 : 1) * (min + rand.nextDouble() * (max - min)),
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(rand.nextBoolean() ? -1 : 1) * (min + rand.nextDouble() * (max - min)));
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}
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/** X coordinate */
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public double x = 0;
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/** Y coordinate */
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public double y = 0;
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/** Z coordinate */
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public double z = 0;
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/**
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* Create zero coord
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*/
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public Coord() {}
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/**
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* Create coord as a copy of another
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*
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* @param copied copied coord
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*/
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public Coord(Coord copied) {
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this.x = copied.x;
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this.y = copied.y;
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this.z = copied.z;
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}
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/**
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* Create 2D coord
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*
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* @param x x coordinate
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* @param y y coordinate
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*/
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public Coord(Number x, Number y) {
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setTo(x, y);
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}
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/**
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* Create 3D coord
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*
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* @param x x coordinate
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* @param y y coordinate
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* @param z z coordinate
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*/
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public Coord(Number x, Number y, Number z) {
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setTo(x, y, z);
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}
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/**
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* Get a copy offset by vector
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*
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* @param vec offset
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* @return the offset copy
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*/
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public Coord add(Coord vec)
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{
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return getCopy().add_ip(vec);
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}
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/**
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* Get a copy offset by 2D coordinate
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*
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* @param x x offset
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* @param y y offset
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* @return the offset copy
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*/
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public Coord add(Number x, Number y)
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{
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return getCopy().add_ip(x, y);
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}
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/**
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* Get a copy offset by 3D coordinate
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*
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* @param x x offset
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* @param y y offset
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* @param z z offset
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* @return the offset copy
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*/
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public Coord add(Number x, Number y, Number z)
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{
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return getCopy().add_ip(x, y, z);
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}
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/**
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* Offset by vector in place
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*
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* @param vec offset
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* @return this
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*/
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public Coord add_ip(Coord vec)
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{
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this.x += vec.x;
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this.y += vec.y;
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this.z += vec.z;
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return this;
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}
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/**
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* Offset by 2D coordinate in place
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*
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* @param x x offset
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* @param y y offset
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* @return this
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*/
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public Coord add_ip(Number x, Number y)
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{
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this.x += x.doubleValue();
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this.y += y.doubleValue();
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return this;
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}
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/**
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* Offset by 3D coordinate in place
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*
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* @param x x offset
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* @param y y offset
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* @param z z offset
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* @return this
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*/
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public Coord add_ip(Number x, Number y, Number z)
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{
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this.x += x.doubleValue();
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this.y += y.doubleValue();
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this.z += z.doubleValue();
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return this;
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}
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/**
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* @return copy of this vector
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*/
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public Coord getCopy()
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{
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return new Coord(x, y, z);
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}
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/**
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* Get distance to other point
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*
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* @param point other point
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* @return distance in units
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*/
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public double distTo(Coord point)
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{
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return Math.sqrt((point.x - x) * (point.x - x) + (point.y - y) * (point.y - y) + (point.z - z) * (point.z - z));
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}
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/**
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* Get copy divided by number
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*
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* @param d number to divide by
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* @return divided copy
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*/
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public Coord div(double d)
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{
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return getCopy().div_ip(d);
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}
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/**
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* Divide by number in place
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*
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* @param d number to divide by
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* @return this
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*/
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public Coord div_ip(double d)
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{
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if (d == 0) return this;
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x /= d;
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y /= d;
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z /= d;
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return this;
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}
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/**
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* Check if this rectangle in inside a rectangular zone
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*
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* @param min min coord
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* @param max max coord
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* @return is inside
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*/
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public boolean isInRect(Coord min, Coord max)
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{
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return (x >= min.x && x <= max.x) && (y >= min.y && y <= max.y) && (z >= min.z && z <= max.z);
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}
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/**
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* Check if this rectangle in inside a rectangular zone
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*
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* @param rect checked rect.
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* @return is inside
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*/
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public boolean isInRect(Rect rect)
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{
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return isInRect(rect.min, rect.max);
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}
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/**
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* Get middle of line to other point
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*
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* @param other other point
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* @return middle
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*/
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public Coord midTo(Coord other)
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{
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return add(vecTo(other).mul_ip(0.5));
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}
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/**
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* Multiply by number
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*
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* @param d number
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* @return multiplied copy
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*/
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public Coord mul(double d)
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{
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return getCopy().mul_ip(d);
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}
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/**
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* Multiply coords by number
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*
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* @param xd x multiplier
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* @param yd y multiplier
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* @param zd z multiplier
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* @return multiplied copy
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*/
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public Coord mul(double xd, double yd, double zd)
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{
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return getCopy().mul_ip(xd, yd, zd);
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}
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/**
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* Multiply by number in place
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*
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* @param d multiplier
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* @return this
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*/
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public Coord mul_ip(double d)
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{
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x *= d;
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y *= d;
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z *= d;
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return this;
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}
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/**
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* Multiply coords by number in place
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*
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* @param xd x multiplier
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* @param yd y multiplier
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* @param zd z multiplier
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* @return this
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*/
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public Coord mul_ip(double xd, double yd, double zd)
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{
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x *= xd;
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y *= yd;
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z *= zd;
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return this;
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}
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/**
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* offset randomly
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*
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* @param max max +- offset
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* @return offset coord
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*/
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public Coord random_offset(double max)
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{
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Coord v = random(1).norm_ip(0.00001 + rand.nextDouble() * max);
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return getCopy().add_ip(v);
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}
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/**
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* offset randomly
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*
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* @param min min offset
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* @param max max offset
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* @return offset coord
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*/
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public Coord random_offset(double min, double max)
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{
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return getCopy().add_ip(random(min, max));
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}
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/**
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* offset randomly in place
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*
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* @param max max +- offset
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* @return this
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*/
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public Coord random_offset_ip(double max)
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{
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return add(random(max));
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}
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/**
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* offset randomly in place
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*
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* @param min min offset
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* @param max max offset
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* @return this
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*/
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public Coord random_offset_ip(double min, double max)
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{
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add(random(min, max));
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return this;
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}
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/**
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* Get a copy with rounded coords
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*
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* @return rounded copy
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*/
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public Coord round()
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{
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return getCopy().round_ip();
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}
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/**
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* Round in place
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*
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* @return this
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*/
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public Coord round_ip()
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{
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x = Math.round(x);
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y = Math.round(y);
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z = Math.round(z);
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return this;
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}
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/**
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* Set to max values of this and other coord
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*
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* @param other other coord
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*/
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public void setMax(Coord other)
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{
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x = Math.max(x, other.x);
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y = Math.max(y, other.y);
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z = Math.max(z, other.z);
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}
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/**
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* Set to min values of this and other coord
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*
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* @param other other coord
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*/
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public void setMin(Coord other)
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{
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x = Math.min(x, other.x);
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y = Math.min(y, other.y);
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z = Math.min(z, other.z);
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}
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/**
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* Set coordinates to match other coord
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*
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* @param copied coord whose coordinates are used
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* @return this
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*/
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public Coord setTo(Coord copied)
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{
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setTo(copied.x, copied.y, copied.z);
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return this;
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}
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|
|
|
|
|
|
/**
|
|
|
|
* Set 2D coordinates to
|
|
|
|
*
|
|
|
|
* @param x x coordinate
|
|
|
|
* @param y y coordinate
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord setTo(Number x, Number y)
|
|
|
|
{
|
|
|
|
setTo(x, y, 0);
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Set 3D coordinates to
|
|
|
|
*
|
|
|
|
* @param x x coordinate
|
|
|
|
* @param y y coordinate
|
|
|
|
* @param z z coordinate
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord setTo(Number x, Number y, Number z)
|
|
|
|
{
|
|
|
|
this.x = x.doubleValue();
|
|
|
|
this.y = y.doubleValue();
|
|
|
|
this.z = z.doubleValue();
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Set X coordinate in a copy
|
|
|
|
*
|
|
|
|
* @param x x coordinate
|
|
|
|
* @return copy with set coordinate
|
|
|
|
*/
|
|
|
|
public Coord setX(Number x)
|
|
|
|
{
|
|
|
|
return getCopy().setX_ip(x);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Set X coordinate in place
|
|
|
|
*
|
|
|
|
* @param x x coordinate
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord setX_ip(Number x)
|
|
|
|
{
|
|
|
|
this.x = x.doubleValue();
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Set Y coordinate in a copy
|
|
|
|
*
|
|
|
|
* @param y y coordinate
|
|
|
|
* @return copy with set coordinate
|
|
|
|
*/
|
|
|
|
public Coord setY(Number y)
|
|
|
|
{
|
|
|
|
return getCopy().setY_ip(y);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Set Y coordinate in place
|
|
|
|
*
|
|
|
|
* @param y y coordinate
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord setY_ip(Number y)
|
|
|
|
{
|
|
|
|
this.y = y.doubleValue();
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Set Z coordinate in a copy
|
|
|
|
*
|
|
|
|
* @param z z coordinate
|
|
|
|
* @return copy with set coordinate
|
|
|
|
*/
|
|
|
|
public Coord setZ(Number z)
|
|
|
|
{
|
|
|
|
return getCopy().setZ_ip(z);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Set Z coordinate in place
|
|
|
|
*
|
|
|
|
* @param z z coordinate
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord setZ_ip(Number z)
|
|
|
|
{
|
|
|
|
this.z = z.doubleValue();
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get a copy subtracted by vector
|
|
|
|
*
|
|
|
|
* @param vec offset
|
|
|
|
* @return the offset copy
|
|
|
|
*/
|
|
|
|
public Coord sub(Coord vec)
|
|
|
|
{
|
|
|
|
return getCopy().sub_ip(vec);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get a copy subtracted by 2D coordinate
|
|
|
|
*
|
|
|
|
* @param x x offset
|
|
|
|
* @param y y offset
|
|
|
|
* @return the offset copy
|
|
|
|
*/
|
|
|
|
public Coord sub(Number x, Number y)
|
|
|
|
{
|
|
|
|
return getCopy().sub_ip(x, y);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get a copy subtracted by 3D coordinate
|
|
|
|
*
|
|
|
|
* @param x x offset
|
|
|
|
* @param y y offset
|
|
|
|
* @param z z offset
|
|
|
|
* @return the offset copy
|
|
|
|
*/
|
|
|
|
public Coord sub(Number x, Number y, Number z)
|
|
|
|
{
|
|
|
|
return getCopy().sub_ip(x, y, z);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Offset by vector in place
|
|
|
|
*
|
|
|
|
* @param vec offset
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord sub_ip(Coord vec)
|
|
|
|
{
|
|
|
|
this.x -= vec.x;
|
|
|
|
this.y -= vec.y;
|
|
|
|
this.z -= vec.z;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Offset by 2D coordinate in place
|
|
|
|
*
|
|
|
|
* @param x x offset
|
|
|
|
* @param y y offset
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord sub_ip(Number x, Number y)
|
|
|
|
{
|
|
|
|
this.x -= x.doubleValue();
|
|
|
|
this.y -= y.doubleValue();
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Offset by 3D coordinate in place
|
|
|
|
*
|
|
|
|
* @param x x offset
|
|
|
|
* @param y y offset
|
|
|
|
* @param z z offset
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord sub_ip(Number x, Number y, Number z)
|
|
|
|
{
|
|
|
|
this.x -= x.doubleValue();
|
|
|
|
this.y -= y.doubleValue();
|
|
|
|
this.z -= z.doubleValue();
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Create vector from this point to other point
|
|
|
|
*
|
|
|
|
* @param point second point
|
|
|
|
* @return vector
|
|
|
|
*/
|
|
|
|
public Coord vecTo(Coord point)
|
|
|
|
{
|
|
|
|
return point.sub(this);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return X as double
|
|
|
|
*/
|
|
|
|
public double x()
|
|
|
|
{
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return X as double
|
|
|
|
*/
|
|
|
|
public double xd()
|
|
|
|
{
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return X as float
|
|
|
|
*/
|
|
|
|
public float xf()
|
|
|
|
{
|
|
|
|
return (float) x;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return X as int
|
|
|
|
*/
|
|
|
|
public int xi()
|
|
|
|
{
|
|
|
|
return (int) Math.round(x);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return Y as double
|
|
|
|
*/
|
|
|
|
public double y()
|
|
|
|
{
|
|
|
|
return y;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return Y as double
|
|
|
|
*/
|
|
|
|
public double yd()
|
|
|
|
{
|
|
|
|
return y;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return Y as float
|
|
|
|
*/
|
|
|
|
public float yf()
|
|
|
|
{
|
|
|
|
return (float) y;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return Y as int
|
|
|
|
*/
|
|
|
|
public int yi()
|
|
|
|
{
|
|
|
|
return (int) Math.round(y);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return Z as double
|
|
|
|
*/
|
|
|
|
public double z()
|
|
|
|
{
|
|
|
|
return z;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return Z as double
|
|
|
|
*/
|
|
|
|
public double zd()
|
|
|
|
{
|
|
|
|
return z;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return Z as float
|
|
|
|
*/
|
|
|
|
public float zf()
|
|
|
|
{
|
|
|
|
return (float) z;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return Z as int
|
|
|
|
*/
|
|
|
|
public int zi()
|
|
|
|
{
|
|
|
|
return (int) Math.round(z);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get cross product of two vectors
|
|
|
|
*
|
|
|
|
* @param a 1st vector
|
|
|
|
* @param b 2nd vector
|
|
|
|
* @return cross product
|
|
|
|
*/
|
|
|
|
public static Coord cross(Coord a, Coord b)
|
|
|
|
{
|
|
|
|
return a.cross(b);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get dot product of two vectors
|
|
|
|
*
|
|
|
|
* @param a 1st vector
|
|
|
|
* @param b 2nd vector
|
|
|
|
* @return dot product
|
|
|
|
*/
|
|
|
|
public static double dot(Coord a, Coord b)
|
|
|
|
{
|
|
|
|
return a.dot(b);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Multiply by other vector, vector multiplication
|
|
|
|
*
|
|
|
|
* @param vec other vector
|
|
|
|
* @return copy multiplied
|
|
|
|
*/
|
|
|
|
public Coord cross(Coord vec)
|
|
|
|
{
|
|
|
|
return getCopy().cross_ip(vec);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Multiply by other vector, vector multiplication; in place
|
|
|
|
*
|
|
|
|
* @param vec other vector
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord cross_ip(Coord vec)
|
|
|
|
{
|
|
|
|
setTo(y * vec.z - z * vec.y, z * vec.x - x * vec.z, x * vec.y - y * vec.x);
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get dot product
|
|
|
|
*
|
|
|
|
* @param vec other vector
|
|
|
|
* @return dot product
|
|
|
|
*/
|
|
|
|
public double dot(Coord vec)
|
|
|
|
{
|
|
|
|
return x * vec.x + y * vec.y + z * vec.z;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Negate all coordinates (* -1)
|
|
|
|
*
|
|
|
|
* @return negated coordinate
|
|
|
|
*/
|
|
|
|
public Coord neg()
|
|
|
|
{
|
|
|
|
return getCopy().neg_ip();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Negate all coordinates (* -1), in place
|
|
|
|
*
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord neg_ip()
|
|
|
|
{
|
|
|
|
mul_ip(-1);
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Scale vector to given size
|
|
|
|
*
|
|
|
|
* @param size size we need
|
|
|
|
* @return scaled vector
|
|
|
|
*/
|
|
|
|
public Coord norm(double size)
|
|
|
|
{
|
|
|
|
return getCopy().norm_ip(size);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Scale vector to given size, in place
|
|
|
|
*
|
|
|
|
* @param size size we need
|
|
|
|
* @return scaled vector
|
|
|
|
*/
|
|
|
|
public Coord norm_ip(double size)
|
|
|
|
{
|
|
|
|
if (size() == 0) {
|
|
|
|
z = -1;
|
|
|
|
}
|
|
|
|
if (size == 0) {
|
|
|
|
setTo(0, 0, 0);
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
double k = size / size();
|
|
|
|
mul_ip(k);
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get vector size
|
|
|
|
*
|
|
|
|
* @return vector size in units
|
|
|
|
*/
|
|
|
|
public double size()
|
|
|
|
{
|
|
|
|
return Math.sqrt(x * x + y * y + z * z);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get copy divided by two
|
|
|
|
* @return copy halved
|
|
|
|
*/
|
|
|
|
public Coord half()
|
|
|
|
{
|
|
|
|
return getCopy().half_ip();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Divide in place by two
|
|
|
|
* @return this
|
|
|
|
*/
|
|
|
|
public Coord half_ip()
|
|
|
|
{
|
|
|
|
mul_ip(0.5);
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public String toString()
|
|
|
|
{
|
|
|
|
return "[" + x + ", " + y + ", " + z + "]";
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public int hashCode()
|
|
|
|
{
|
|
|
|
final int prime = 31;
|
|
|
|
int result = 1;
|
|
|
|
long temp;
|
|
|
|
temp = Double.doubleToLongBits(x);
|
|
|
|
result = prime * result + (int) (temp ^ (temp >>> 32));
|
|
|
|
temp = Double.doubleToLongBits(y);
|
|
|
|
result = prime * result + (int) (temp ^ (temp >>> 32));
|
|
|
|
temp = Double.doubleToLongBits(z);
|
|
|
|
result = prime * result + (int) (temp ^ (temp >>> 32));
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public boolean equals(Object obj)
|
|
|
|
{
|
|
|
|
if (this == obj) return true;
|
|
|
|
if (obj == null) return false;
|
|
|
|
if (!(obj instanceof Coord)) return false;
|
|
|
|
Coord other = (Coord) obj;
|
|
|
|
if (Double.doubleToLongBits(x) != Double.doubleToLongBits(other.x)) return false;
|
|
|
|
if (Double.doubleToLongBits(y) != Double.doubleToLongBits(other.y)) return false;
|
|
|
|
if (Double.doubleToLongBits(z) != Double.doubleToLongBits(other.z)) return false;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return true if this coord is a zero coord
|
|
|
|
*/
|
|
|
|
public boolean isZero()
|
|
|
|
{
|
|
|
|
return x == 0 && y == 0 && z == 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public static Coord zero()
|
|
|
|
{
|
|
|
|
return new Coord(0, 0, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public static Coord one()
|
|
|
|
{
|
|
|
|
return new Coord(1, 1, 1);
|
|
|
|
}
|
|
|
|
}
|