added box

CMakeLists.txt

@@ -18,8 +18,7 @@ option(OMATH_SUPRESS_SAFETY_CHECKS "Supress some safety checks in release build
 if (OMATH_BUILD_AS_SHARED_LIBRARY)
     add_library(omath SHARED source/matrix.cpp)
 else()
-    add_library(omath STATIC source/matrix.cpp
-            source/matrix.cpp)
+    add_library(omath STATIC source/matrix.cpp)
 endif()
 
 message(STATUS "Building on ${CMAKE_HOST_SYSTEM_NAME}")

include/omath/3d_primitives/box.hpp

@@ -0,0 +1,14 @@
+//
+// Created by Vlad on 4/18/2025.
+//
+
+#pragma once
+#include <array>
+
+
+namespace omath::primitives
+{
+    [[nodiscard]]
+    std::array<Vector3<float>, 8> CreateBox(const Vector3<float>& top, const Vector3<float>& bottom,
+                                            const Vector3<float>& dirForward, const Vector3<float>& dirRight);
+}

source/3d_primitives/CMakeLists.txt

@@ -0,0 +1 @@
+target_sources(omath PRIVATE box.cpp)

source/3d_primitives/box.cpp

@@ -0,0 +1,32 @@
+//
+// Created by Vlad on 4/18/2025.
+//
+#include "omath/3d_primitives/box.hpp"
+
+namespace omath::primitives
+{
+
+    std::array<Vector3<float>, 8> CreateBox(const Vector3<float>& top, const Vector3<float>& bottom,
+                                            const Vector3<float>& dirForward,
+                                            const Vector3<float>& dirRight)
+    {
+        const auto height = top.DistTo(bottom);
+        const auto sideSize = height / 6.f;
+
+        std::array<Vector3<float>, 8> points;
+
+        points[0] = bottom + (dirForward + dirRight) * sideSize;
+        points[1] = bottom + (dirForward - dirRight) * sideSize;
+
+        points[2] = bottom + (-dirForward + dirRight) * sideSize;
+        points[3] = bottom + (-dirForward - dirRight) * sideSize;
+
+        points[4] = top + (dirForward + dirRight) * sideSize;
+        points[5] = top + (dirForward - dirRight) * sideSize;
+
+        points[6] = top + (-dirForward + dirRight) * sideSize;
+        points[7] = top + (-dirForward - dirRight) * sideSize;
+
+        return points;
+    }
+}

source/CMakeLists.txt

@@ -7,4 +7,5 @@ add_subdirectory(projectile_prediction)
 add_subdirectory(pathfinding)
 add_subdirectory(projection)
 add_subdirectory(collision)
-add_subdirectory(engines)
+add_subdirectory(engines)
+add_subdirectory(3d_primitives)

tests/CMakeLists.txt

@@ -18,6 +18,7 @@ add_executable(unit-tests
         general/unit_test_view_angles.cpp
         general/unit_test_angle.cpp
         general/unit_test_triangle.cpp
+        general/unit_test_box_primitive.cpp
 
         engines/unit_test_open_gl.cpp
         engines/unit_test_unity_engine.cpp

tests/general/unit_test_box_primitive.cpp

@@ -0,0 +1,4 @@
+//
+// Created by Vlad on 4/18/2025.
+//
+#include <omath/3d_primitives/box.hpp>