tyrav2 init

engine/src/math/vec2.cpp

@@ -0,0 +1,78 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "math/vec2.hpp"
+
+namespace Tyra {
+
+Vec2::Vec2(const float& t_x, const float& t_y) {
+  x = t_x;
+  y = t_y;
+}
+
+Vec2::Vec2(const Vec2& v) {
+  x = v.x;
+  y = v.y;
+}
+
+Vec2::Vec2() {
+  x = 0;
+  y = 0;
+}
+
+Vec2::~Vec2() {}
+
+void Vec2::set(const float& t_x, const float& t_y) {
+  x = t_x;
+  y = t_y;
+}
+
+void Vec2::set(const Vec2& v) {
+  x = v.x;
+  y = v.y;
+}
+
+void Vec2::rotate(const float& t_angle, const float& t_x, const float& t_y) {
+  float s = Math::sin(t_angle);
+  float c = Math::cos(t_angle);
+
+  x -= t_x;
+  y -= t_y;
+
+  float xnew = x * c - y * s;
+  float ynew = x * s + y * c;
+
+  x = xnew + t_x;
+  y = ynew + t_y;
+}
+
+void Vec2::print() const {
+  auto text = getPrint(nullptr);
+  printf("%s\n", text.c_str());
+}
+
+void Vec2::print(const char* name) const {
+  auto text = getPrint(name);
+  printf("%s\n", text.c_str());
+}
+
+std::string Vec2::getPrint(const char* name) const {
+  std::stringstream res;
+  if (name) {
+    res << name << "(";
+  } else {
+    res << "Vec2(";
+  }
+  res << std::fixed << std::setprecision(4);
+  res << x << ", " << y << ")";
+  return res.str();
+}
+
+}  // namespace Tyra