Add useful methods & constructors to Position

src/main/java/com/gtnewhorizon/structurelib/coords/Position.java

@@ -1,12 +1,14 @@
 package com.gtnewhorizon.structurelib.coords;
 
 import net.minecraft.util.MathHelper;
+import net.minecraft.util.Vec3;
 import net.minecraft.world.ChunkPosition;
 
 import org.joml.Vector3f;
 import org.joml.Vector3i;
 
 import com.gtnewhorizon.gtnhlib.blockpos.BlockPos;
+import com.gtnewhorizon.structurelib.util.Vec3Impl;
 
 /**
  * A {@link BlockPos} with a statically-checked coordinate system.
@@ -21,6 +23,14 @@ public class Position<C extends CoordinateSystem<C, ?>> extends BlockPos {
         super(x, y, z);
     }
 
+    public Position(float x, float y, float z) {
+        super(MathHelper.floor_float(x), MathHelper.floor_float(y), MathHelper.floor_float(z));
+    }
+
+    public Position(double x, double y, double z) {
+        super(MathHelper.floor_double(x), MathHelper.floor_double(y), MathHelper.floor_double(z));
+    }
+
     public Position(ChunkPosition chunkPosition) {
         super(chunkPosition);
     }
@@ -30,10 +40,34 @@ public class Position<C extends CoordinateSystem<C, ?>> extends BlockPos {
     }
 
     public Position(Vector3f v) {
-        super(MathHelper.floor_float(v.x), MathHelper.floor_float(v.y), MathHelper.floor_float(v.z));
+        this(v.x, v.y, v.z);
+    }
+
+    public Position(Vec3 v) {
+        this(v.xCoord, v.yCoord, v.zCoord);
+    }
+
+    public Position(Vec3Impl v) {
+        this(v.get0(), v.get1(), v.get2());
     }
 
     public Position<C> copy() {
         return new Position<>(x, y, z);
     }
+
+    public Vector3i toVector3i() {
+        return new Vector3i(x, y, z);
+    }
+
+    public Vector3f toVector3f() {
+        return new Vector3f(x, y, z);
+    }
+
+    public Vec3 toVec3() {
+        return Vec3.createVectorHelper(x, y, z);
+    }
+
+    public Vec3Impl toVec3Impl() {
+        return new Vec3Impl(x, y, z);
+    }
 }