meow

src/main/java/me/kawaiizenbo/moonlight/util/MathUtils.java

@@ -0,0 +1,25 @@
+package me.kawaiizenbo.moonlight.util;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.util.math.MathHelper;
+import net.minecraft.util.math.Vec3d;
+
+public class MathUtils 
+{
+    public static double round(double value, int places) 
+    {
+        if (places < 0) throw new IllegalArgumentException();
+    
+        BigDecimal bd = new BigDecimal(Double.toString(value));
+        bd = bd.setScale(places, RoundingMode.HALF_UP);
+        return bd.doubleValue();
+    }
+
+    public static double length2D(Vec3d vec3d) 
+    {
+        return MathHelper.sqrt((float)(vec3d.x * vec3d.x + vec3d.z * vec3d.z));
+    }
+}