add beam wand (thanks lexy)

Content/Projectiles/BeamAttackWandBeam.cs

@@ -0,0 +1,94 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using Terraria;
+using Terraria.ID;
+using Terraria.ModLoader;
+using Terraria.GameContent;
+
+namespace ForgottenWawiTech.Content.Projectiles
+{
+    // Short-lived beam projectile emitted rapidly by BeamAttackWand.
+    // Simple straight projectile with minor dust and fade-out.
+    public class BeamAttackWandBeam : ModProjectile
+    {
+        private const int FrameCount = 3;
+        public override void SetStaticDefaults()
+        {
+            Main.projFrames[Type] = FrameCount; // 3 vertical frames
+        }
+
+        public override void SetDefaults()
+        {
+            Projectile.width = 28; // frame width
+            Projectile.height = 28; // frame height
+            Projectile.friendly = true;
+            Projectile.penetrate = 1; // single hit per beam
+            Projectile.timeLeft = 15; // very short duration
+            Projectile.DamageType = DamageClass.Melee;
+            Projectile.tileCollide = true;
+            Projectile.light = 0.4f;
+            Projectile.alpha = 40;
+        }
+
+        public override void AI()
+        {
+            // Frame animation: advance every 4 ticks for subtle flicker
+            Projectile.frameCounter++;
+            if (Projectile.frameCounter >= 4)
+            {
+                Projectile.frameCounter = 0;
+                Projectile.frame = (Projectile.frame + 1) % FrameCount;
+            }
+
+            // Slight acceleration forward for a snappy feel
+            Projectile.velocity *= 1.02f;
+
+            // Simple fade: become more transparent near end
+            if (Projectile.timeLeft < 6)
+                Projectile.alpha += 25;
+
+            // Spawn light dust
+            if (Main.rand.NextBool(3))
+            {
+                int d = Dust.NewDust(Projectile.position, Projectile.width, Projectile.height, DustID.PurpleTorch,
+                    Projectile.velocity.X * 0.2f, Projectile.velocity.Y * 0.2f, 150, default, 0.9f);
+                Main.dust[d].noGravity = true;
+            }
+        }
+
+        public override bool OnTileCollide(Vector2 oldVelocity)
+        {
+            // So beams feel crisp: slight bounce spark then die
+            Projectile.timeLeft = 5;
+            Projectile.velocity *= 0.4f;
+            return false; // don't kill immediately; fade
+        }
+
+        public override bool PreDraw(ref Color lightColor)
+        {
+            Texture2D tex = TextureAssets.Projectile[Type].Value;
+            int frameHeight = tex.Height / FrameCount;
+            Rectangle frameRect = new(0, frameHeight * Projectile.frame, tex.Width, frameHeight);
+            Vector2 origin = new(tex.Width / 2f, frameHeight / 2f);
+            float baseScale = 1f;
+            float stretchX = 0.6f + Projectile.velocity.Length() / 30f; // elongate horizontally
+            Color drawColor = Color.White * (1f - Projectile.alpha / 255f);
+
+            // Slight additive trail effect: draw faint previous frame positions
+            for (int i = 0; i < 3; i++)
+            {
+                Vector2 trailPos = Projectile.Center - Projectile.velocity * i * 0.8f;
+                float trailAlpha = (0.4f - i * 0.12f) * (1f - Projectile.alpha / 255f);
+                Main.EntitySpriteDraw(tex, trailPos - Main.screenPosition, frameRect,
+                    drawColor * trailAlpha, Projectile.rotation, origin,
+                    new Vector2(stretchX, baseScale), SpriteEffects.None);
+            }
+
+            // Main frame (bright)
+            Main.EntitySpriteDraw(tex, Projectile.Center - Main.screenPosition, frameRect,
+                drawColor, Projectile.rotation, origin,
+                new Vector2(stretchX, baseScale), SpriteEffects.None);
+            return false;
+        }
+    }
+}