added camera

PracticeDx/Box.cpp

@@ -10,6 +10,7 @@
 #include "Topology.h"
 #include "TransformCBuf.h"
 #include "Graphics.h"
+#include <DirectXMath.h>
 
 Box::Box(Graphics& gfx, float position[][3], float color[][3], Logger& logger)
 {
@@ -128,8 +129,8 @@ void Box::Update(float dt) noexcept
 	phi += dphi * dt;
 	chi += dchi * dt;*/
 	dx = dt;
-	//dy = dt;
-	//dz = dt;
+	dy = dt;
+	dz = dt;
 }
 
 DirectX::XMMATRIX Box::GetTransformXM() const noexcept
@@ -138,7 +139,16 @@ DirectX::XMMATRIX Box::GetTransformXM() const noexcept
 		DirectX::XMMatrixTranslation(r, 0.0f, 0.0f) *
 		DirectX::XMMatrixRotationRollPitchYaw(theta, phi, chi) *
 		DirectX::XMMatrixTranslation(0.0f, 0.0f, 20.0f);*/
+
+	using namespace DirectX;
+	XMVECTOR upDirection, eyePosition, focusPosition;
+
+	// Setup the vector that points upwards.
+	upDirection = XMVectorSet(0.0f, 1.0f, 0.0f, 1.0f);
+	focusPosition = XMVectorZero();
+	eyePosition = XMVectorSet(5.0f, 5.0f, -5.0f, 1.0f);
+
 	return
-		DirectX::XMMatrixTranslation(0.0f, 0.0f, 4.0f)
-		* DirectX::XMMatrixTranslation(dx, dy, dz);
+		DirectX::XMMatrixTranslation(dx, dy, dz)
+		* DirectX::XMMatrixLookAtLH(eyePosition, focusPosition, upDirection);
 }
\ No newline at end of file

PracticeDx/Logger.cpp

@@ -24,20 +24,23 @@ void Logger::start()
 
 void Logger::PutLog(std::string module, std::string text)
 {
-    // Get current system time
-    auto now = std::chrono::system_clock::now();
+    if (debugFlag)
+    {
+        // Get current system time
+        auto now = std::chrono::system_clock::now();
 
-    // Convert system time to time_t (seconds since Jan 1, 1970)
-    std::time_t now_time = std::chrono::system_clock::to_time_t(now);
+        // Convert system time to time_t (seconds since Jan 1, 1970)
+        std::time_t now_time = std::chrono::system_clock::to_time_t(now);
 
-    // Convert time_t to struct tm (broken down time)
-    std::tm* now_tm = std::localtime(&now_time);
+        // Convert time_t to struct tm (broken down time)
+        std::tm* now_tm = std::localtime(&now_time);
 
-    // Format timestamp string manually
-    char timestamp[20];
-    std::strftime(timestamp, sizeof(timestamp), "%Y-%m-%d %H:%M:%S", now_tm);
+        // Format timestamp string manually
+        char timestamp[20];
+        std::strftime(timestamp, sizeof(timestamp), "%Y-%m-%d %H:%M:%S", now_tm);
 
-    fs << "[" << timestamp << "]: " << "[" << module << "] " << text << endl;
+        fs << "[" << timestamp << "]: " << "[" << module << "] " << text << endl;
+    }
 };
 
 void Logger::end()

PracticeDx/Logger.h

@@ -19,4 +19,5 @@ public:
 private:
     std::string loggerFile;
     std::fstream fs;
+    bool debugFlag = false;
 };
\ No newline at end of file

PracticeDx/WinMain.cpp

@@ -734,8 +734,8 @@ int WINAPI WinMain(HINSTANCE hInstance,
     };
     Box box(gfx, boxPos, boxCol, logger);
 
-    long seed = 0;
-    seed = seed % 10000;
+    double seed = 0;
+    seed = int(seed) % 10000;
 
     // enter the main loop:
 
@@ -765,16 +765,18 @@ int WINAPI WinMain(HINSTANCE hInstance,
             gfx.RendorFrame();
 
             seed++;
-            auto dt = sin(seed / 1000);
+            auto dt = sin(seed / 2000);
+            logger.PutLog("seed", std::to_string(seed));
+            logger.PutLog("dt", std::to_string(dt));
 
             box.Update(dt);
-            //logger.PutLog("box.update", std::to_string(dt));
             box.ExecuteBind(gfx, logger);
             box.Draw(gfx, logger);
 
             //tri.Update(dt);
-            tri.ExecuteBind(gfx, logger);
-            tri.Draw(gfx, logger);
+            //tri.ExecuteBind(gfx, logger);
+            //tri.Draw(gfx, logger);
+
             gfx.EndFrame();
         }
     }