demo map and weapon

demo/src/states/game/player/camera.cpp

@@ -0,0 +1,49 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#include "states/game/player/camera.hpp"
+#include "debug/debug.hpp"
+
+namespace Demo {
+
+Camera::Camera(Pad* t_pad) : lookAt(0.0F), position(0.0F), pad(t_pad) {
+  lengthFromOrigin = 30.0F;
+  circleRotation = -3.5F;
+  height = 1.5F;
+}
+
+Camera::~Camera() {}
+
+void Camera::update(const Vec4& playerPosition) {
+  const float rotationOffset = 0.03F;
+  const float heightOffset = 0.5F;
+
+  const auto& rightJoy = pad->getRightJoyPad();
+
+  if (rightJoy.h <= 100) {
+    circleRotation -= rotationOffset;
+  } else if (rightJoy.h >= 200) {
+    circleRotation += rotationOffset;
+  }
+
+  if (rightJoy.v <= 100) {
+    height -= heightOffset;
+  } else if (rightJoy.v >= 200) {
+    height += heightOffset;
+  }
+
+  unitCircle.x = (sin(circleRotation) * lengthFromOrigin);
+  unitCircle.y = height + playerPosition.y;
+  unitCircle.z = (cos(circleRotation) * lengthFromOrigin);
+
+  lookAt = unitCircle + playerPosition;
+}
+
+}  // namespace Demo