Commit of decompiled and "updated" code.

Projectiles/RainbowOrb.cs

@@ -0,0 +1,109 @@
+using System;
+using Microsoft.Xna.Framework;
+using Terraria;
+using Terraria.ModLoader;
+
+namespace FabusMod.Projectiles;
+
+public class RainbowOrb : ModProjectile
+{
+	public override void SetStaticDefaults()
+	{
+		//Sets.Homing[Projectile.type] = true;
+		Main.projFrames[Projectile.type] = 4;
+	}
+
+	public override void SetDefaults()
+	{
+		Projectile.width = 40;
+		Projectile.height = 42;
+		Projectile.alpha = 255;
+		Projectile.friendly = true;
+		Projectile.tileCollide = false;
+		Projectile.ignoreWater = true;
+		Projectile.timeLeft = 300;
+	}
+
+	public override void AI()
+	{
+		if (Projectile.alpha > 70)
+		{
+			Projectile projectile = Projectile;
+			projectile.alpha -= 15;
+			if (Projectile.alpha < 70)
+			{
+				Projectile.alpha = 70;
+			}
+		}
+		if (Projectile.localAI[0] == 0f)
+		{
+			AdjustMagnitude(ref Projectile.velocity);
+			Projectile.localAI[0] = 1f;
+		}
+		Vector2 move = Vector2.Zero;
+		float distance = 200f;
+		bool target = false;
+		for (int i = 0; i < 200; i++)
+		{
+			if (Main.npc[i].active && !Main.npc[i].dontTakeDamage && !Main.npc[i].friendly && Main.npc[i].lifeMax > 5)
+			{
+				Vector2 newMove = Main.npc[i].Center - Projectile.Center;
+				float distanceTo = (float)Math.Sqrt(newMove.X * newMove.X + newMove.Y * newMove.Y);
+				if (distanceTo < distance)
+				{
+					move = newMove;
+					distance = distanceTo;
+					target = true;
+				}
+			}
+		}
+		if (target)
+		{
+			AdjustMagnitude(ref move);
+			Projectile.velocity = (10f * Projectile.velocity + move) / 11f;
+			AdjustMagnitude(ref Projectile.velocity);
+		}
+		if (Utils.NextFloat(Main.rand) < 0.1f && Projectile.alpha <= 100)
+		{
+			int dust1 = Dust.NewDust(Projectile.position, Projectile.width, Projectile.height, ModContent.DustType<Dusts.RainbowDust>(), 0f, 0f, 0, default, 1f);
+			int dust2 = Dust.NewDust(Projectile.position, Projectile.width, Projectile.height, ModContent.DustType<Dusts.RainbowDust2>(), 0f, 0f, 0, default, 1f);
+			int dust3 = Dust.NewDust(Projectile.position, Projectile.width, Projectile.height, ModContent.DustType<Dusts.RainbowDust3>(), 0f, 0f, 0, default, 1f);
+			Main.dust[dust1].scale = 0.9f;
+			Dust obj = Main.dust[dust1];
+			obj.velocity *= 0.1f;
+			Main.dust[dust1].noGravity = true;
+			Main.dust[dust2].scale = 0.9f;
+			Dust obj2 = Main.dust[dust2];
+			obj2.velocity *= 0.1f;
+			Main.dust[dust2].noGravity = true;
+			Main.dust[dust3].scale = 0.9f;
+			Dust obj3 = Main.dust[dust3];
+			obj3.velocity *= 0.1f;
+			Main.dust[dust3].noGravity = true;
+		}
+		AnimateProjectile();
+	}
+
+	private void AdjustMagnitude(ref Vector2 vector)
+	{
+		float magnitude = (float)Math.Sqrt(vector.X * vector.X + vector.Y * vector.Y);
+		if (magnitude > 6f)
+		{
+			vector *= 6f / magnitude;
+		}
+	}
+
+	public void AnimateProjectile()
+	{
+		Projectile projectile = Projectile;
+		projectile.frameCounter++;
+		if (Projectile.frameCounter >= 5)
+		{
+			Projectile projectile2 = Projectile;
+			projectile2.frame++;
+			Projectile projectile3 = Projectile;
+			projectile3.frame %= 3;
+			Projectile.frameCounter = 0;
+		}
+	}
+}