utility functions

engine/inc/renderer/core/3d/bbox/core_bbox.hpp

@@ -21,17 +21,31 @@ namespace Tyra {
 /** Bounding box */
 class CoreBBox {
  public:
-  explicit CoreBBox();
+  CoreBBox();
+  CoreBBox(const CoreBBox& t_bbox);
   explicit CoreBBox(Vec4* t_vertices, u32* faces, u32 t_count);
   explicit CoreBBox(Vec4* t_vertices, u32 t_count);
   explicit CoreBBox(Vec4* t_vertices);
-  explicit CoreBBox(const CoreBBox& t_bbox);
   explicit CoreBBox(CoreBBox** t_bboxes, const u32& count);
   explicit CoreBBox(const std::vector<CoreBBox>& t_bboxes,
                     const u32& startIndex, const u32& stopIndex);
 
+  static CoreBBox create(const Vec4& center, const float& size);
+
+  /**
+   * 0 - lowX, lowY, lowZ
+   * 1 - lowX, lowY, hiZ
+   * 2 - lowX, hiY, lowZ
+   * 3 - lowX, hiY, hiZ
+   * 4 - hiX, lowY, lowZ
+   * 5 - hiX, lowY, hiZ
+   * 6 - hiX, hiY, lowZ
+   * 7 - hiX, hiY, hiZ
+   */
   Vec4 vertices[8];
 
+  void operator=(const CoreBBox& v);
+
   const Vec4& operator[](const u8& i) const { return vertices[i]; }
 
   const u8 getVertexCount() const { return 8; }
@@ -41,13 +55,14 @@ class CoreBBox {
   void print(const std::string& name) const { print(name.c_str()); }
   std::string getPrint(const char* name = nullptr) const;
 
-/**
- * @brief Check if bbox is in view frustum
- * 
- * @param frustumPlanes Available in engine.renderer.core.renderer3D.frustumPlanes
- * @param model Model matrix
- * @param margins Optional margins
- */
+  /**
+   * @brief Check if bbox is in view frustum
+   *
+   * @param frustumPlanes Available in
+   * engine.renderer.core.renderer3D.frustumPlanes
+   * @param model Model matrix
+   * @param margins Optional margins
+   */
   CoreBBoxFrustum isInFrustum(const Plane* frustumPlanes, const M4x4& model,
                               const float* margins = nullptr) const;
 };

engine/inc/renderer/core/3d/clipper/planes_clip_algorithm.hpp

@@ -11,7 +11,7 @@
 #pragma once
 
 #include <vector>
-#include "./ee_clip_vertex.hpp"
+#include "./planes_clip_vertex.hpp"
 #include "debug/debug.hpp"
 #include "renderer/renderer_settings.hpp"
 
@@ -21,30 +21,30 @@ struct EEClipAlgorithmSettings {
   bool lerpNormals, lerpTexCoords, lerpColors;
 };
 
-class EEClipAlgorithm {
+class PlanesClipAlgorithm {
  public:
-  EEClipAlgorithm();
-  ~EEClipAlgorithm();
+  PlanesClipAlgorithm();
+  ~PlanesClipAlgorithm();
 
   void init(const RendererSettings& settings);
 
-  u8 clip(EEClipVertex* o_vertices, EEClipVertexPtrs* i_vertices,
+  u8 clip(PlanesClipVertex* o_vertices, PlanesClipVertexPtrs* i_vertices,
           const EEClipAlgorithmSettings& settings);
 
   static float clipMargin;
 
  private:
   float halfWidth, halfHeight, near, far;
-  EEClipVertex* tempVertices;
+  PlanesClipVertex* tempVertices;
 
-  float getValueByPlane(const EEClipVertex& v, const int& plane);
+  float getValueByPlane(const PlanesClipVertex& v, const int& plane);
 
   bool isInside(const int& plane, const float& v, const float& w,
                 const float& planeLimitValue);
 
   /** @return clipped size */
-  u8 clipAgainstPlane(EEClipVertex* original, const u8& originalSize,
-                      EEClipVertex* clipped, const int& plane,
+  u8 clipAgainstPlane(PlanesClipVertex* original, const u8& originalSize,
+                      PlanesClipVertex* clipped, const int& plane,
                       const float& planeLimitValue,
                       const EEClipAlgorithmSettings& settings);
 };

engine/inc/renderer/core/3d/clipper/planes_clip_vertex.hpp

@@ -14,11 +14,11 @@
 
 namespace Tyra {
 
-struct EEClipVertex {
+struct PlanesClipVertex {
   Vec4 position, normal, st, color;
 };
 
-struct EEClipVertexPtrs {
+struct PlanesClipVertexPtrs {
   Vec4 *position, *normal, *st, *color;
 };