From bf240d7eeaa89657462b705849fde56e54e237db Mon Sep 17 00:00:00 2001
From: Frederico Linhares <fred@linhares.blue>
Date: Tue, 6 Feb 2024 17:37:20 -0300
Subject: refa Use quaternion for orientation

---
 src/rotation_3d.cpp | 115 ----------------------------------------------------
 1 file changed, 115 deletions(-)
 delete mode 100644 src/rotation_3d.cpp

(limited to 'src/rotation_3d.cpp')

diff --git a/src/rotation_3d.cpp b/src/rotation_3d.cpp
deleted file mode 100644
index 0795859..0000000
--- a/src/rotation_3d.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright 2022 Frederico de Oliveira Linhares
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _USE_MATH_DEFINES
-
-#include "rotation_3d.hpp"
-
-#include "vector_3d.hpp"
-
-namespace
-{
-inline float
-pitch_limit(float pitch)
-{
-  if(pitch > M_PI/2) pitch = M_PI/2;
-  else if (pitch < -(M_PI/2)) pitch = -(M_PI/2);
-
-  return pitch;
-}
-
-}
-
-void
-cg_free_rotation_3d(mrb_state *mrb, void* obj)
-{
-  auto ptr = static_cast<std::shared_ptr<glm::vec3>*>(obj);
-
-  ptr->~shared_ptr();
-  mrb_free(mrb, ptr);
-}
-
-const struct mrb_data_type cg_rotation_3d_type = {
-  "CG_Rotation3D", cg_free_rotation_3d};
-
-static mrb_value
-cg_cRotation3D_initialize(mrb_state *mrb, mrb_value self)
-{
-  mrb_float pitch, yaw, roll;
-  std::shared_ptr<glm::vec3> *ptr;
-
-  mrb_get_args(mrb, "fff", &pitch, &yaw, &roll);
-  ptr = (std::shared_ptr<glm::vec3>*)DATA_PTR(self);
-  if(ptr) mrb_free(mrb, ptr);
-  ptr = (std::shared_ptr<glm::vec3>*)mrb_malloc(
-    mrb, sizeof(std::shared_ptr<glm::vec3>));
-
-  new(ptr)std::shared_ptr<glm::vec3>(
-    std::make_shared<glm::vec3>(pitch_limit(pitch), yaw, roll));
-
-  mrb_data_init(self, ptr, &cg_rotation_3d_type);
-  return self;
-}
-
-// Rotation when there is a up direction (ex.: Earth).
-static mrb_value
-cg_cRotation3D_rotate(mrb_state *mrb, mrb_value self)
-{
-  mrb_float pitch, yaw;
-  auto *ptr = (std::shared_ptr<glm::vec3>*)DATA_PTR(self);
-
-  mrb_get_args(mrb, "ff", &pitch, &yaw);
-
-  (*ptr)->x = pitch_limit((*ptr)->x + pitch);
-  (*ptr)->y += yaw;
-
-  return self;
-}
-
-// Rotation when there is a up direction (ex.: space without gravity).
-static mrb_value
-cg_cRotation3D_baseless_rotation(mrb_state *mrb, mrb_value self)
-{
-  mrb_float x, y;
-
-  // TODO
-
-  return self;
-}
-
-void
-cg_rotation_3d_init(mrb_state *mrb)
-{
-  struct RClass *cg_m, *cg_cRotation3D;
-
-  cg_m = mrb_module_get(mrb, "CandyGear");
-  cg_cRotation3D = mrb_define_class_under(
-    mrb, cg_m, "Rotation3D", mrb->object_class);
-  MRB_SET_INSTANCE_TT(cg_cRotation3D, MRB_TT_DATA);
-  mrb_define_method(
-    mrb, cg_cRotation3D, "initialize", cg_cRotation3D_initialize,
-    MRB_ARGS_REQ(3));
-
-  mrb_define_method(
-    mrb, cg_cRotation3D, "pitch", cg_cVector3D_get_x, MRB_ARGS_NONE());
-  mrb_define_method(
-    mrb, cg_cRotation3D, "yaw", cg_cVector3D_get_y, MRB_ARGS_NONE());
-  mrb_define_method(
-    mrb, cg_cRotation3D, "roll", cg_cVector3D_get_z, MRB_ARGS_NONE());
-
-  mrb_define_method(
-    mrb, cg_cRotation3D, "rotate", cg_cRotation3D_rotate, MRB_ARGS_REQ(2));
-}
-- 
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