Changed length check to 0 to be approximate.

MeltyPlayer · Jan 5, 2025 · 300dee9 · 300dee9
1 parent 539ba4f
commit 300dee9
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Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/FinModelUtility/Formats/Vrml/Vrml/src/util/Misc.cs b/FinModelUtility/Formats/Vrml/Vrml/src/util/Misc.cs
@@ -1,15 +1,20 @@
 using System.Numerics;
 
+using fin.math.floats;
+using fin.math.matrix.three;
+
 namespace vrml.util;
 
 class Misc {
   public static int GetOrientation(Vector3m v0,
                                    Vector3m v1,
                                    Vector3m v2,
                                    Vector3 normal) {
-    var res = (v0 - v1).Cross(v2 - v1);
-    if (res.LengthSquared().ToDouble() == 0)
+    var res = (Vector3) ((v0 - v1).Cross(v2 - v1));
+    if (res.Length().IsRoughly0()) {
       return 0;
+    }
+
     if (Math.Sign(res.X) != Math.Sign(normal.X) ||
         Math.Sign(res.Y) != Math.Sign(normal.Y) ||
         Math.Sign(res.Z) != Math.Sign(normal.Z))

diff --git a/FinModelUtility/Formats/Vrml/Vrml/src/util/Vector3m.cs b/FinModelUtility/Formats/Vrml/Vrml/src/util/Vector3m.cs
@@ -5,6 +5,12 @@
 namespace vrml.util;
 
 public class Vector3m {
+  public static implicit operator Vector3(Vector3m vec)
+    => new(vec.X, vec.Y, vec.Z);
+
+  public static implicit operator Vector3m(Vector3 vec)
+    => new(vec.X, vec.Y, vec.Z);
+
   public Vector3m(float x, float y, float z) {
     this.X = x;
     this.Y = y;