Engine-Pong/Game/Behaviours/MovementBallBehaviour.cs

46 lines
1.7 KiB
C#

using System;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Input;
using Syntriax.Engine.Core;
using Syntriax.Engine.Input;
namespace Pong.Behaviours;
public class MovementBallBehaviour(Vector2 StartDirection, PlayAreaBehaviour PlayAreaBehaviour, float Speed) : BehaviourOverride
{
public Vector2 StartDirection { get; private set; } = StartDirection;
public PlayAreaBehaviour PlayAreaBehaviour { get; } = PlayAreaBehaviour;
public float Speed { get; set; } = Speed;
protected override void OnInitialize() => StartDirection.Normalize();
protected override void OnUpdate(GameTime time)
{
GameObject.Transform.Position += StartDirection * (time.ElapsedGameTime.Nanoseconds * .001f) * Speed;
float absY = MathF.Abs(GameObject.Transform.Position.Y);
float differenceY = absY - PlayAreaBehaviour.PlayArea.Y * 0.5f;
if (differenceY > 0f)
{
if (GameObject.Transform.Position.Y > 0f)
GameObject.Transform.Position -= Vector2.UnitY * differenceY * 2f;
else
GameObject.Transform.Position += Vector2.UnitY * differenceY * 2f;
StartDirection = new(StartDirection.X, -StartDirection.Y);
}
float absX = MathF.Abs(GameObject.Transform.Position.X);
float differenceX = absX - PlayAreaBehaviour.PlayArea.X * 0.5f;
if (differenceX > 0f)
{
if (GameObject.Transform.Position.X > 0f)
GameObject.Transform.Position -= Vector2.UnitX * differenceX * 2f;
else
GameObject.Transform.Position += Vector2.UnitX * differenceX * 2f;
StartDirection = new(-StartDirection.X, StartDirection.Y);
}
}
}