tutorial 04

tutorials/04-de_dust2/inc/camera.hpp

@@ -0,0 +1,44 @@
+/*
+# _____        ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2022, tyra - https://github.com/h4570/tyra
+# Licensed under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#pragma once
+
+#include <tyra>
+
+namespace Tyra {
+
+class Camera {
+ public:
+  Camera(Pad* pad);
+  ~Camera();
+
+  Vec4 lookAt;
+  Vec4 position;
+
+  /**
+   * Result variable of unit circle calculation
+   * This is needed for rotation about the camera lookAt
+   * https://www.geogebra.org/m/cNEtsbvC
+   */
+  Vec4 unitCircle;
+
+  CameraInfo3D getCameraInfo() { return CameraInfo3D(&position, &lookAt); }
+
+  void update();
+
+ private:
+  void updatePosition();
+  void updateLookAt();
+
+  Pad* pad;
+  float circleRotation, circleLength, speed, lookAtHeight;
+};
+
+}  // namespace Tyra

tutorials/04-de_dust2/inc/tutorial_04.hpp

@@ -12,6 +12,7 @@
 
 #include <tyra>
 #include <memory.h>
+#include "./camera.hpp"
 
 namespace Tyra {
 
@@ -28,8 +29,16 @@ class Tutorial04 : public Game {
 
   Engine* engine;
 
-  std::unique_ptr<StaticMesh> mesh;
+  Camera camera;
+
+  /** 3D pipeline used for rendering static meshes */
+  StaticPipeline stapip;
+
+  /** Options for static pipeline */
   StaPipOptions renderOptions;
+
+  /** Mesh with de_dust2 */
+  std::unique_ptr<StaticMesh> mesh;
 };
 
 }  // namespace Tyra