Rotate#

using System;
using UnityEngine;
using VisualScript.Icons;

namespace VisualScript.Runtime
{
    [Get]

    [Title("Rotate")]
    [Category("Math/Rotate")]

    [Description("Rotates a vector counterclockwise by an angle in degrees")]
    [Image(typeof(IconRotation), ColorTheme.Type.Yellow, typeof(Badge2D))]

    [Parameter("Vector", "The vector that is rotated")]
    [Parameter("Degrees", "How much the vector turns counterclockwise")]

    [Keywords("Vector", "Turn", "Spin", "Angle", "Degrees", "Direction")]

    [Serializable]
    public class TypeVector2MathRotate : TypeVector2
    {
        [SerializeField] private GetVector2 m_Vector = new GetVector2();
        [SerializeField] private GetNumber m_Degrees = new GetNumber(90f);

        public override Vector2 GetPreview(GameObject source) => Rotate(
            this.m_Vector.GetPreview(source),
            this.m_Degrees.GetPreview(source)
        );

        public override Vector2 Get(Args args) => Rotate(this.m_Vector.Get(args), this.m_Degrees.Get(args));

        private static Vector2 Rotate(Vector2 vector, double degrees)
        {
            float radians = (float) degrees * Mathf.Deg2Rad;

            float sin = Mathf.Sin(radians);
            float cos = Mathf.Cos(radians);

            return new Vector2(
                vector.x * cos - vector.y * sin,
                vector.x * sin + vector.y * cos
            );
        }

        public override string ToString()
        {
            return $"Rotate {this.m_Vector} by {this.m_Degrees}";
        }

        protected override SubscriptionMode Subscription => SubscriptionMode.OnChange;
    }
}