com.harium.etyl.commons.math.Vector2i Maven / Gradle / Ivy

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Etyl's common core

There is a newer version: 1.4.2

package com.harium.etyl.commons.math;

public class Vector2i {

	protected int x = 0;
	protected int y = 0;

	public Vector2i() {
		super();
	}

	public Vector2i(int x, int y) {
		super();

		setLocation(x, y);
	}

	public int getX() {
		return x;
	}

	public void setX(int x) {
		this.x = x;
	}

	public void setLocation(int x, int y) {
		setX(x);
		setY(y);
	}

	public int getY() {
		return y;
	}

	public void setY(int y) {
		this.y = y;
	}

	public double angle(double px, double py) {
		double deltaX = px - x;
		double deltaY = py - y;

		double angleInDegrees = Math.atan2(deltaY, deltaX) * 180 / Math.PI;
		return angleInDegrees;
	}

	public void rotate(double cx, double cy, double degreeAngle) {
		double angle = Math.toRadians(degreeAngle);
		double nx = cx + (x - cx) * Math.cos(angle) - (y - cy) * Math.sin(angle);
		double ny = cy + (x - cx) * Math.sin(angle) + (y - cy) * Math.cos(angle);

		x = (int) nx;
		y = (int) ny;
	}

	public double distance(Vector2i vector) {
		return distance(this.x, this.y, vector.x, vector.y);
	}

	public double distance(double px, double py) {
		return distance(px, py, this.x, this.y);
	}

	public static double distance(double px, double py, double qx, double qy) {
		double difX = px - qx;
		double difY = py - qy;

		double dist = Math.sqrt(Math.pow(difX, 2) + Math.pow(difY, 2));

		return dist;
	}

	@Override
	public String toString() {
		return "(" + x + ", " + y + ")";
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + x;
		result = prime * result + y;
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Vector2i other = (Vector2i) obj;
		if (x != other.x)
			return false;
		if (y != other.y)
			return false;
		return true;
	}
}