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package io.github.palexdev.mfxeffects.beans;

import io.github.palexdev.mfxeffects.beans.base.OffsetBase;

public class Offset extends OffsetBase {
	public static final Offset ZERO = new Offset(0, 0);
	public static final Offset INFINITE = new Offset(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY);

	public Offset(double dx, double dy) {
		super(dx, dy);
	}

	public static Offset fromDirection(double direction) {
		return fromDirection(direction, 1.0);
	}

	public static Offset fromDirection(double direction, double distance) {
		return new Offset(distance * Math.cos(direction), distance * Math.sin(direction));
	}

	public static Offset lerp(Offset a, Offset b, double t) {
		if (b == null) {
			if (a == null) {
				return null;
			} else {
				return a.mul(1.0 - t);
			}
		} else {
			if (a == null) {
				return b.mul(t);
			} else {
				return new Offset(lerpDouble(a.dx, b.dx, t), lerpDouble(a.dy, b.dy, t));
			}
		}
	}

	private static double lerpDouble(double a, double b, double t) {
		return a * (1.0 - t) + b * t;
	}

	public double getDistance() {
		return Math.sqrt(dx * dx + dy * dy);
	}

	public double getDistanceSquared() {
		return dx * dx + dy * dy;
	}

	public double getDirection() {
		return Math.atan2(dy, dx);
	}

	public Offset scale(double scaleX, double scaleY) {
		return new Offset(dx * scaleX, dy * scaleY);
	}

	public Offset translate(double translateX, double translateY) {
		return new Offset(dx + translateX, dy + translateY);
	}

	public Offset inverse() {
		return new Offset(-dx, -dy);
	}

	public Offset minus(Offset other) {
		return new Offset(dx - other.dx, dy - other.dy);
	}

	public Offset plus(Offset other) {
		return new Offset(dx + other.dx, dy + other.dy);
	}

	public Offset mul(double operand) {
		return new Offset(dx * operand, dy * operand);
	}

	public Offset div(double operand) {
		return new Offset(dx / operand, dy / operand);
	}

	public Offset divTruncate(double operand) {
		return new Offset((int) dx / operand, (int) dy / operand);
	}

	public Offset mod(double operand) {
		return new Offset(dx % operand, dy % operand);
	}
}