Implement Geometric Class Definitions (round 2)

2024-01-26 00:14:28 -05:00
parent 4152b0d2aa
commit 256fe730cd
11 changed files with 139 additions and 11 deletions
--- a/include/J3ML/Geometry/OBB.h
+++ b/include/J3ML/Geometry/OBB.h
@@ -1,8 +1,45 @@
-//
-// Created by dawsh on 1/25/24.
-//
+#pragma once

-#ifndef J3ML_OBB_H
-#define J3ML_OBB_H
+#include "AABB.h"

-#endif //J3ML_OBB_H
+namespace Geometry {
+    class OBB
+    {
+    public:
+        // The center position of this OBB
+        Vector3 pos;
+        // Stores half-sizes to x, y, and z directions in the local space of this OBB.
+        Vector3 r;
+        // Specifies normalized direc tion vectors for the local axes
+        Vector3 axis[3];
+
+        OBB() {}
+        OBB(const Vector3& pos, const Vector3& radii, const Vector3& axis0, const Vector3& axis1, const Vector3& axis2);
+        OBB(const AABB& aabb);
+        inline static int NumFaces() { return 6;  }
+        inline static int NumEdges() { return 12; }
+        inline static int NumVertices() { return 8; }
+
+        Polyhedron ToPolyhedron() const;
+
+        AABB MinimalEnclosingAABB() const;
+
+        Sphere MinimalEnclosingSphere() const;
+        Sphere MaximalContainedSphere() const;
+        Vector3 Size() const;
+        Vector3 HalfSize() const;
+        Vector3 Diagonal() const;
+        Vector3 HalfDiagonal() const;
+        bool IsFinite() const;
+        bool IsDegenerate() const;
+        Vector3 CenterPoint() const;
+        Vector3 Centroid() const;
+
+        Vector3 AnyPointFast() const;
+
+        float Volume();
+        float SurfaceArea();
+        LineSegment Edge(int edgeIndex) const;
+        Vector3 CornerPoint(int cornerIndex) const;
+    };
+}