add input

add time
add vertex color

GDP/D3D9/Mesh.cpp

@@ -28,15 +28,27 @@ UINT Mesh::init(IDirect3DDevice9* pD3DDevice)
 
 void Mesh::update(FLOAT dt)
 {
+    static FLOAT x = 0.0f;
+    static FLOAT y = 0.0f;
+    static FLOAT z = 0.0f;
     static FLOAT pitch = XM_PIDIV4; // x axis
     static FLOAT yaw = XM_PIDIV4; // y axis
     static FLOAT roll = XM_PIDIV4; // z axis
     static FLOAT scale = 1.0f;
 
-    yaw += 0.01f;
-    //scale += 0.001f;
+    yaw += 1.0f * dt;
+    //scale += 0.001f * dt;
 
-    XMMATRIX translationMatrix = XMMatrixTranslation(0.0f, 0.0f, 0.0f);
+    FLOAT move = 1.0f * dt;
+
+    if (GetAsyncKeyState(VK_LEFT) & 0x8000) x -= move;
+    if (GetAsyncKeyState(VK_RIGHT) & 0x8000) x += move;
+    if (GetAsyncKeyState(VK_DOWN) & 0x8000) y -= move;
+    if (GetAsyncKeyState(VK_UP) & 0x8000) y += move;
+    if (GetAsyncKeyState('E') & 0x8000) z -= move;
+    if (GetAsyncKeyState('Q') & 0x8000) z += move;
+
+    XMMATRIX translationMatrix = XMMatrixTranslation(x, y, z);
     XMMATRIX scaleMatrix = XMMatrixScaling(scale, scale, scale);
     XMMATRIX rotationMatrix = XMMatrixRotationRollPitchYaw(pitch, yaw, roll);
     
@@ -121,16 +133,16 @@ UINT Mesh::createVertexBuffer(IDirect3DDevice9* pD3DDevice)
 
     // cube
     // front
-    pVertices[0] = Vertex(-0.5f, 0.5f, -0.5f);
-    pVertices[1] = Vertex(0.5f, 0.5f, -0.5f);
-    pVertices[2] = Vertex(0.5f, -0.5f, -0.5f);
-    pVertices[3] = Vertex(-0.5f, -0.5f, -0.5f);
+    pVertices[0] = Vertex(-0.5f, 0.5f, -0.5f, 255, 0, 0);
+    pVertices[1] = Vertex(0.5f, 0.5f, -0.5f, 0, 255, 0);
+    pVertices[2] = Vertex(0.5f, -0.5f, -0.5f, 0, 0, 255);
+    pVertices[3] = Vertex(-0.5f, -0.5f, -0.5f, 255, 0, 255);
 
-    // front
-    pVertices[4] = Vertex(0.5f, 0.5f, 0.5f);
-    pVertices[5] = Vertex(-0.5f, 0.5f, 0.5f);
-    pVertices[6] = Vertex(-0.5f, -0.5f, 0.5f);
-    pVertices[7] = Vertex(0.5f, -0.5f, 0.5f);
+    // back
+    pVertices[4] = Vertex(0.5f, 0.5f, 0.5f, 255, 255, 0);
+    pVertices[5] = Vertex(-0.5f, 0.5f, 0.5f, 0, 255, 255);
+    pVertices[6] = Vertex(-0.5f, -0.5f, 0.5f, 0, 0, 0);
+    pVertices[7] = Vertex(0.5f, -0.5f, 0.5f, 200, 200, 200);
 
     hr = _pVertexBuffer->Unlock(); // transfer vertex buffer back from cpu memory to video memory
     CheckFailed(hr, 320);

GDP/D3D9/Time.cpp

@@ -2,11 +2,19 @@
 
 UINT Time::init()
 {
+    _lastFrame = CLOCK::now();
+
     return 0;
 }
 
 void Time::update()
 {
+    TIMEPOINT now = CLOCK::now();
+    SECONDS diff = now - _lastFrame;
+    _lastFrame = now;
+    _deltaTime = diff.count();
+
+
 }
 
 void Time::deInit()

GDP/D3D9/Time.h

@@ -4,6 +4,10 @@
 
 using namespace std;
 
+typedef chrono::steady_clock CLOCK;
+typedef CLOCK::time_point TIMEPOINT;
+typedef chrono::duration<FLOAT> SECONDS;
+
 class Time
 {
 public:
@@ -15,5 +19,6 @@ public:
 
 private:
 	FLOAT _deltaTime = 0.0f;
+	TIMEPOINT _lastFrame = {};
 };
 

GDP/D3D9/Vertex.h

@@ -1,7 +1,7 @@
 #pragma once
 #include <d3d9.h>
 
-#define FVF D3DFVF_XYZ
+#define FVF D3DFVF_XYZ | D3DFVF_DIFFUSE
 
 struct Vertex
 {
@@ -9,6 +9,9 @@ struct Vertex
 	FLOAT y;
 	FLOAT z;
 
-	Vertex() : x(0.0f), y(0.0f), z(0.0f) {}
-	Vertex(FLOAT _x, FLOAT _y, FLOAT _z) : x(_x), y(_y), z(_z) {}
+	D3DCOLOR color;
+
+	Vertex() : x(0.0f), y(0.0f), z(0.0f), color(0xFFFFFFFF) {}
+	Vertex(FLOAT _x, FLOAT _y, FLOAT _z) : x(_x), y(_y), z(_z), color(0xFFFFFFFF) {}
+	Vertex(FLOAT _x, FLOAT _y, FLOAT _z, UINT r, UINT g, UINT b) : x(_x), y(_y), z(_z), color(D3DCOLOR_XRGB(r, g, b)) {}
 };

GDP/D3D9/main.cpp

@@ -38,6 +38,7 @@ int WINAPI WinMain(
 
 	// set render states
 	d3d.getDevice()->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
+	d3d.getDevice()->SetRenderState(D3DRS_LIGHTING, FALSE);
 
 	// 3. create a mesh
 	Mesh mesh = {};
@@ -67,6 +68,13 @@ int WINAPI WinMain(
 	// 8. run application
 	while (window.run())
 	{
+		if (GetAsyncKeyState(VK_F1) & 0x8000) d3d.getDevice()->SetRenderState(D3DRS_FILLMODE, D3DFILL_WIREFRAME);
+		if (GetAsyncKeyState(VK_F2) & 0x8000) d3d.getDevice()->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID);
+		if (GetAsyncKeyState(VK_F3) & 0x8000) d3d.getDevice()->SetRenderState(D3DRS_FILLMODE, D3DFILL_POINT);
+		if (GetAsyncKeyState(VK_F4) & 0x8000) d3d.getDevice()->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
+		if (GetAsyncKeyState(VK_F5) & 0x8000) d3d.getDevice()->SetRenderState(D3DRS_CULLMODE, D3DCULL_CW);
+		if (GetAsyncKeyState(VK_F6) & 0x8000) d3d.getDevice()->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
+
 		// 8.1. update objects
 		time.update();
 		mesh.update(time.getDeltaTime());