feat(utils): drawParticleLine method uses Vec3

src/main/java/org/auioc/mcmod/arnicalib/utils/game/ParticleUtils.java

@@ -2,25 +2,27 @@
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.core.particles.ParticleTypes;
-import net.minecraft.util.Mth;
+import net.minecraft.world.phys.Vec3;
 
 public class ParticleUtils {
 
     private static final Minecraft MC = Minecraft.getInstance();
 
     public static void drawLine(double x1, double y1, double z1, double x2, double y2, double z2, double stepLength) {
-        double lineLength = Mth.length((x2 - x1), (y2 - y1), (z2 - z1));
+        drawLine(new Vec3(x1, y1, z1), new Vec3(x2, y2, z2), stepLength);
+    }
+
+    public static void drawLine(Vec3 startPoint, Vec3 endPoint, double stepLength) {
+        Vec3 line = startPoint.vectorTo(endPoint);
+
+        double lineLength = line.length();
         long pointCount = Math.round(lineLength / stepLength);
 
-        double projectedStepLengthX = (x2 - x1) / pointCount;
-        double projectedStepLengthY = (y2 - y1) / pointCount;
-        double projectedStepLengthZ = (z2 - z1) / pointCount;
+        Vec3 unit = line.normalize();
 
         for (long i = 0; i < pointCount; i++) {
-            double x = x1 + projectedStepLengthX * i;
-            double y = y1 + projectedStepLengthY * i;
-            double z = z1 + projectedStepLengthZ * i;
-            MC.level.addParticle(ParticleTypes.ELECTRIC_SPARK, x, y, z, 0.0D, 0.0D, 0.0D);
+            Vec3 n = startPoint.add(unit.scale(i * stepLength));
+            MC.level.addParticle(ParticleTypes.ELECTRIC_SPARK, n.x, n.y, n.z, 0.0D, 0.0D, 0.0D);
         }
     }