tyrav2 init

engine/src/renderer/3d/bbox/bbox.cpp

@@ -0,0 +1,53 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2020, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "renderer/3d/bbox/bbox.hpp"
+
+namespace Tyra {
+
+BBox::BBox(CoreBBox** t_bboxes, const u32& count) : CoreBBox(t_bboxes, count) {
+  setData();
+}
+
+BBox::BBox(Vec4* t_vertices, u32 count) : CoreBBox(t_vertices, count) {
+  setData();
+}
+
+BBox::BBox(Vec4* t_vertices, u32* faces, u32 count)
+    : CoreBBox(t_vertices, faces, count) {
+  setData();
+}
+
+BBox::BBox(Vec4* t_vertices) : CoreBBox(t_vertices) { setData(); }
+
+void BBox::setData() {
+  // This might be shortened with Vec4 operator overloading, but current
+  // implementation is more human readable.
+  _height = _vertices[0].y - _vertices[2].y;
+  _width = _vertices[0].x - _vertices[4].x;
+  _depth = _vertices[0].z - _vertices[1].z;
+
+  _centerVector = _vertices[0];
+  _centerVector.x += (_width / 2);
+  _centerVector.y += (_height / 2);
+  _centerVector.z += (_depth / 2);
+
+  // Z-Axis faces
+  _frontFace = BBoxFace(_vertices[1], _vertices[7], _vertices[1].z);
+  _backFace = BBoxFace(_vertices[0], _vertices[6], _vertices[0].z);
+  // X-Axis faces
+  _leftFace = BBoxFace(_vertices[0], _vertices[3], _vertices[0].x);
+  _rightFace = BBoxFace(_vertices[4], _vertices[7], _vertices[4].x);
+  // Y-Axis faces
+  _topFace = BBoxFace(_vertices[2], _vertices[7], _vertices[2].y);
+  _bottomFace = BBoxFace(_vertices[0], _vertices[5], _vertices[0].y);
+}
+
+}  // namespace Tyra