TankBattleCore/Objects/Bullet.cs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

using System;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;

namespace TankBattleCore.Objects;

struct BulletData
{
    public Vector2 Position;
    public float Angle;
    public float Speed;
}

class Bullet
{
    public const float SlowSpeed = 250f;
    public const float FastSpeed = 400f;

    private Vector2 _position;
    private Texture2D _bulletTexture;
    float _speed;
    float _angle;

    public Vector2 Position { get => _position; }

    public Bullet(Vector2 position, Texture2D bulletTexture, float speed, float angle)
    {
        _position = position;
        _bulletTexture = bulletTexture;
        _speed = speed;
        _angle = angle;
    }

    public void Update(float dt)
    {
        _position += new Vector2(MathF.Cos(_angle), MathF.Sin(_angle)) * _speed * dt;
    }

    public void Draw(SpriteBatch spriteBatch)
    {
        spriteBatch.Draw(
            _bulletTexture,
            _position,
            Color.White
        );
    }
}