Files
alien-attack/AlientAttack.MonoGame/Things/Enemies/Enemy02Green.cs

72 lines
2.5 KiB
C#

using AlienAttack.MonoGame.Things.Bullets;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
namespace AlienAttack.MonoGame.Things.Enemies;
public class Enemy02Green : EnemyShip
{
public const int Width = 64;
public const int Height = 64;
protected int FireThreshold => 20;
protected int CurrentFireThreshold { get; set; } = 20;
protected override int Health { get; set; } = 5;
public Enemy02Green(int x, int y) : base(x, y)
{
BoundBox = new(0, 0, Width, Height);
YVelocity = 2;
XVelocity = 0;
}
public override void Draw(SpriteDrawArgs args)
{
int frame = XVelocity > 0 ? 2 : XVelocity < 0 ? 3 : 1;
SpriteEffects spriteEffects = XVelocity > 0 ? SpriteEffects.FlipHorizontally : SpriteEffects.None;
Texture2D texture = args.Content.Load<Texture2D>(@$"Sprites\Enemy02Green_Frame_{frame}_png_processed");
//SpriteEffects spriteEffects = SpriteEffects.None;
args.SpriteBatch.Draw(texture, Position, null, DrawColor, 0, new Vector2(0, 0), 1, spriteEffects, 1);
base.Draw(args);
}
protected override void TryMove(SpriteUpdateContext context)
{
if (XPosition + BoundBox.Width >= context.ViewTransform.ScreenWidth)
{
XPosition = context.ViewTransform.ScreenWidth - BoundBox.Width;
XVelocity *= -1;
}
else if (XPosition <= 0)
{
XPosition = 0;
XVelocity *= -1;
}
}
protected override void TryFire(SpriteUpdateContext context)
{
if (CurrentFireThreshold > 0)
{
CurrentFireThreshold--;
}
if (CurrentFireThreshold == 0 && context.Random.Next(0, 30) == 1)
{
float originX = XPosition + (BoundBox.Width / 2) - (7 / 2);
//context.SpawnSprite(new MinigunBulletSmall(originX - 9, YPosition + BoundBox.Height - 12, 0, 2 + YVelocity, this));
//context.SpawnSprite(new MinigunBulletSmall(originX + 14, YPosition + BoundBox.Height - 12, 0, 2 + YVelocity, this));
context.SpawnSprite(new MinigunBulletSmall(originX - 9, YPosition + BoundBox.Height - 12, -1, 2 + YVelocity, this));
context.SpawnSprite(new MinigunBulletSmall(originX + 3, YPosition + BoundBox.Height - 12, 0, 2 + YVelocity, this));
context.SpawnSprite(new MinigunBulletSmall(originX + 14, YPosition + BoundBox.Height - 12, 1, 2 + YVelocity, this));
CurrentFireThreshold = FireThreshold;
context.AudioManager.PlayEnemyFire();
}
}
}