---

main.cpp

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// ~~~ OpenGL & Win32 ~~~
// Tutorial No.10 - Bezier Splines
// Alan Baylis 2001

// This program demonstrates how to add support for splines created by my spline editor
// called Spline_Ed. The spline calculating code was adapted from Keith Vertanen's
// original source code which I have added for reference as 'original bspline.cpp'

#include <windows.h>
#include "shared.h"
#include "general.h"          // added the spline data loading functions
#include "tll.h"
#include "vector.h"
#include "vertex.h"
#include "quat.h"
#include "matrix.h"
#include "texture.h"
#include "locmath.h"
#include "polygon.h"
#include "object.h"
#include "camera.h"
#include "light.h"
#include "collision.h"
#include "glfont.h"
#include "bspline.h"          // Spline class & functions
#include "winfuncs.h"         // changed the start dialog process
#include "mmgr.h"
#include "resource.rh"

// Windows
static HGLRC hRC;
static HDC hDC;
HWND hWnd;
HWND hWndStartDlg;
HINSTANCE g_hInst;
RECT screen;
PAINTSTRUCT ps;
char AppDirectory[MAX_PATH];               // This application's directory
float ApplicationStartTime;              // Start time required for spline timing

// Math
float pi = 3.141592;
float radian = pi / 180;
float epsilon = 0.05;

// Input
bool key[256];
bool released_key[256];

// Cameras
int currentCamera = 0;
int numCameras = 4;
float step = 5.0;

// Timing
float lasttime;
float multiplier;
const int average = 20;
float lastmultiplier[average];
int fps;

// Lights
int GL_LIGHT[8] = {GL_LIGHT0, GL_LIGHT1, GL_LIGHT2, GL_LIGHT3, GL_LIGHT4, GL_LIGHT5, GL_LIGHT6, GL_LIGHT7};
int currentLight = 0;
int numLights = 0;

// Cube polygons
POLYGON * polygon = new POLYGON[12];

// Texture
TEXTURE * texture = new TEXTURE[3];
char HaloTypeName[MAX_PATH] = {"halo.tga"};
char FireTypeName[MAX_PATH] = {"fire.tga"};

// Camera
CAMERA * camera = new CAMERA[numCameras + 1];
CAMERA LastCam;

// Lighting
LIGHT * light = new LIGHT[numLights + 1];
float lightColor[3] = {1.0, 1.0, 1.0};

// Dialogs
int DialogInUse = 0;
char szText[BUFFER_SIZE];

// Font
GLFONT myFont;

// Splines
int visible = 1;                // Toggle flag for viewing the curves
int numSplines = 2;             // Not zero based
int cameraMode = 2;             // Camera mode (0 = Free, 1 = Look, 2 = Follow)
int currentSpline = 0;          // Current spline to work with or use for a path
int lookAtPath = 0;             // Spline to look at when in Follow mode
char SplineFileName[MAX_PATH];  // filename and path to the spline data
SPLINE* spline;                 // Global pointer for working with the splines from list
LinkedList<SPLINE> SplineList;  // Spline list. Note that you can't make this a pointer.
                                // Also note that the class declaration of objects you want to
                                // put in the list must have the default constructor and destructor.

int InitGL(int Width, int Height)
{
    ApplicationStartTime = (float)GetTickCount();
    SetGLProperties();
    SetGLMaterial();
    SetGLLighting(light);
    SetGLWorld(polygon);
    SetGLCamera(camera);
    SetSplines(SplineList);                              // Create/Load splines from data file

    // Create the font texture
    glFontCreate(&myFont, "roman.glf", 4);

    if (!SetGLTexture(texture))
        return 0;
    else
        return 1;
}

void ReSizeGLScene(int Width, int Height)
{
    SetGLView(Width, Height);
}

void DrawGLScene(void)
{
      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    LastCam = camera[currentCamera];
    camera[currentCamera].Update();

    CollisionPacket cp;
    cp.eRadius.x = 1.0;
    cp.eRadius.y = 1.0;
    cp.eRadius.z = 1.0;
    cp.sourcePoint.x = LastCam.Position.x;
    cp.sourcePoint.y = LastCam.Position.y;
    cp.sourcePoint.z = LastCam.Position.z;
    cp.velocity.x = camera[currentCamera].Position.x - LastCam.Position.x;
    cp.velocity.y = camera[currentCamera].Position.y - LastCam.Position.y;
    cp.velocity.z = camera[currentCamera].Position.z - LastCam.Position.z;

    CheckForCollision(polygon, &camera[currentCamera].Position, &cp);

    camera[currentCamera].Apply();

    int loop;
    for(loop = 0; loop <= numLights; loop++)
        light[loop].Apply();

    GLUquadricObj * sphere = gluNewQuadric();      // sphere for control points

    for (int loop = 0; loop < numSplines; loop++)     // loop through all splines
    {
        spline = SplineList.Get(loop);               // get the spline from the linked list

        if (visible)                                 // if the curves are visible
        {
            // draw the control points
            glDisable(GL_TEXTURE_2D);
            float mat_ambient[] = {spline->Red, spline->Green, spline->Blue, 1.0 };
            float mat_diffuse[] = {spline->Red, spline->Green, spline->Blue, 1.0 };
            float mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
            glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
            glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
            glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
            for (int i=0; i <= spline->NumControl; i++)
            {
                glPushMatrix();
                glTranslatef(spline->Control[i].x, spline->Control[i].y, spline->Control[i].z);
                gluSphere(sphere,0.4,10,10);
                glPopMatrix();
            }
            glEnable(GL_TEXTURE_2D);

            // get the output point of this spline
            VECTOR Output = bsplinepoint(spline);

            // draw the point
            glPointSize(5.0);
            glColor3f(0.0, 1.0 ,0.0);
            glDisable(GL_TEXTURE_2D);
            glDisable(GL_LIGHTING);
            glPushMatrix();
            glBegin(GL_POINTS);
            glVertex3f(Output.x, Output.y, Output.z);
            glEnd();
            glPopMatrix();
            glEnable(GL_TEXTURE_2D);
            glEnable(GL_LIGHTING);

            if (cameraMode > 0 && currentSpline == loop) // if the camera mode is not free and this is the current spline
            {
                VECTOR LookAt;
                if (cameraMode == 2 && (currentSpline != lookAtPath)) // if the camera mode is follow
                {
                    SPLINE* spline2 = SplineList.Get(lookAtPath);
                    LookAt = bsplinepoint(spline2);
                }
                camera[currentCamera].Position.x = Output.x;  // set the camera position to the current spline output
                camera[currentCamera].Position.y = Output.y;
                camera[currentCamera].Position.z = Output.z;
                MATRIX mat;
                glPushMatrix();
                glLoadIdentity();
                if (cameraMode == 2 && (currentSpline != lookAtPath)) // if the camera mode is follow
                    gluLookAt(Output.x, Output.y, Output.z, LookAt.x, LookAt.y, LookAt.z, 0, 1, 0);
                else
                                                                      // else make the camera look at another position
                    gluLookAt(Output.x, Output.y, Output.z, light[currentLight].Position.x, light[currentLight].Position.y, light[currentLight].Position.z, 0, 1, 0);
                glGetFloatv(GL_MODELVIEW_MATRIX, mat.Element);       // get the gluLookAt matrix
                glPopMatrix();

                float mat2[4][4];
                mat2[0][0] = mat.Element[0];
                mat2[0][1] = mat.Element[1];
                mat2[0][2] = mat.Element[2];
                mat2[0][3] = mat.Element[3];
                mat2[1][0] = mat.Element[4];
                mat2[1][1] = mat.Element[5];
                mat2[1][2] = mat.Element[6];
                mat2[1][3] = mat.Element[7];
                mat2[2][0] = mat.Element[8];
                mat2[2][1] = mat.Element[9];
                mat2[2][2] = mat.Element[10];
                mat2[2][3] = mat.Element[11];
                mat2[3][0] = mat.Element[12];
                mat2[3][1] = mat.Element[13];
                mat2[3][2] = mat.Element[14];
                mat2[3][3] = mat.Element[15];

                camera[currentCamera].Orientation.MatrixToQuat(mat2);  // set the camera orientation to the gluLookAt matrix
            }

            bspline(spline);             // get the output points of this spline

            // draw the curve along to the output points
            glColor3f(spline->Red, spline->Green, spline->Blue);
            glDisable(GL_TEXTURE_2D);
            glDisable(GL_LIGHTING);
            glPushMatrix();
            glBegin(GL_LINE_STRIP);
            for (int i=0; i < spline->NumPoints; i++)
            {
                glVertex3fv(&spline->Output[i].x);
            }
            glEnd();
            glPopMatrix();
            glEnable(GL_TEXTURE_2D);
            glEnable(GL_LIGHTING);
        }

        else if (cameraMode > 0) // if the curves are not visible and the camera mode is not free
        {
            VECTOR Output = bsplinepoint(spline);

            VECTOR LookAt;
            if (cameraMode == 2 && currentSpline != lookAtPath)
            {
                SPLINE* spline2 = SplineList.Get(lookAtPath);
                LookAt = bsplinepoint(spline2);
            }
            camera[currentCamera].Position.x = Output.x;
            camera[currentCamera].Position.y = Output.y;
            camera[currentCamera].Position.z = Output.z;
            MATRIX mat;
            glPushMatrix();
            glLoadIdentity();
            if (cameraMode == 2 && currentSpline != lookAtPath)
                gluLookAt(Output.x, Output.y, Output.z, LookAt.x, LookAt.y, LookAt.z, 0, 1, 0);
            else
                gluLookAt(Output.x, Output.y, Output.z, light[currentLight].Position.x, light[currentLight].Position.y, light[currentLight].Position.z, 0, 1, 0);
            glGetFloatv(GL_MODELVIEW_MATRIX, mat.Element);
            glPopMatrix();

            float mat2[4][4];
            mat2[0][0] = mat.Element[0];
            mat2[0][1] = mat.Element[1];
            mat2[0][2] = mat.Element[2];
            mat2[0][3] = mat.Element[3];
            mat2[1][0] = mat.Element[4];
            mat2[1][1] = mat.Element[5];
            mat2[1][2] = mat.Element[6];
            mat2[1][3] = mat.Element[7];
            mat2[2][0] = mat.Element[8];
            mat2[2][1] = mat.Element[9];
            mat2[2][2] = mat.Element[10];
            mat2[2][3] = mat.Element[11];
            mat2[3][0] = mat.Element[12];
            mat2[3][1] = mat.Element[13];
            mat2[3][2] = mat.Element[14];
            mat2[3][3] = mat.Element[15];

            camera[currentCamera].Orientation.MatrixToQuat(mat2);
        }
    }

    DrawGrid();
    DrawCube(polygon, texture);
    DrawBillboards(texture, light, camera);
    DrawMyText();   // Draw text last
}

LRESULT CALLBACK WndProc(    HWND    hWnd,
                            UINT    message,
                            WPARAM    wParam,
                            LPARAM    lParam)
{
    GLuint    PixelFormat;
    static    PIXELFORMATDESCRIPTOR pfd=
    {
           sizeof(PIXELFORMATDESCRIPTOR),
        1,
        PFD_DRAW_TO_WINDOW |
        PFD_SUPPORT_OPENGL |
        PFD_DOUBLEBUFFER,
        PFD_TYPE_RGBA,
        16,
        0, 0, 0, 0, 0, 0,
        0,
        0,
        0,
        0, 0, 0, 0,
        16,
        0,
        0,
        PFD_MAIN_PLANE,
        0,
        0, 0, 0
    };


    switch (message)
    {
        case WM_CREATE:
            hDC = GetDC(hWnd);

            PixelFormat = ChoosePixelFormat(hDC, &pfd);

            if (!PixelFormat)
            {
                   MessageBox(NULL,"Can't find a suitable PixelFormat.","Error",MB_OK|MB_ICONERROR);
                PostQuitMessage(0);
                break;
            }

            if(!SetPixelFormat(hDC,PixelFormat,&pfd))
            {
                MessageBox(NULL,"Can't set the PixelFormat.","Error",MB_OK|MB_ICONERROR);
                PostQuitMessage(0);
                break;
            }

            hRC = wglCreateContext(hDC);
            if(!hRC)
            {
                MessageBox(NULL,"Can't create a GL Rendering Context.","Error",MB_OK|MB_ICONERROR);
                PostQuitMessage(0);
                break;
            }

            if(!wglMakeCurrent(hDC, hRC))
            {
                MessageBox(NULL,"Can't activate the GL Rendering Context.","Error",MB_OK|MB_ICONERROR);
                PostQuitMessage(0);
                break;
            }
        break;

        case WM_SYSCOMMAND:
        {
            switch (wParam)
            {
                case SC_SCREENSAVE:
                case SC_MONITORPOWER:
                    return 0;
            }
            break;
        }

        if (DialogInUse)
        {
            case WM_PAINT:
                BeginPaint(hWnd,&ps);
                DrawGLScene();
                glFlush();
                SwapBuffers(hDC);
                EndPaint(hWnd,&ps);
            break;
        }

        case WM_CLOSE:
            glFontDestroy(&myFont);

            delete[] texture;
            delete[] polygon;
            delete[] camera;
            delete[] light;

            for (int i = numSplines - 1; i >= 0; i--)
                DeleteSpline(i, SplineList);

            ChangeDisplaySettings(NULL, 0);
            wglMakeCurrent(hDC,NULL);
            wglDeleteContext(hRC);
            ReleaseDC(hWnd,hDC);
            DestroyWindow(hWnd);
        break;

        case WM_DESTROY:
            PostQuitMessage(0);
        break;

        case WM_KEYDOWN:
            key[wParam] = TRUE;
        break;

        case WM_KEYUP:
            key[wParam] = FALSE;
        break;

        case WM_SIZE:
            SetCursorPos((int)(screen.right * 0.5), (int)(screen.bottom * 0.5));
            ReSizeGLScene(LOWORD(lParam),HIWORD(lParam));
        break;

        case WM_MOUSEMOVE:
            if (cameraMode == 0)
            {
                camera[currentCamera].Delta_x = float(HIWORD(lParam) - screen.bottom * 0.5) * 10;
                camera[currentCamera].Delta_y = float(LOWORD(lParam) - screen.right * 0.5) * 10;
            }
        break;

        case WM_LBUTTONDOWN:
            camera[currentCamera].Delta_z = -120.0;
        break;

        case WM_RBUTTONDOWN:
            camera[currentCamera].Delta_z = 120.0;
        break;

        case WM_LBUTTONUP:
            if (wParam != MK_RBUTTON)
                camera[currentCamera].Delta_z = 0.0;
        break;

        case WM_RBUTTONUP:
            if (wParam != MK_LBUTTON)
                camera[currentCamera].Delta_z = 0.0;
        break;

        default:
            return (DefWindowProc(hWnd, message, wParam, lParam));
    }
return (0);
}

int WINAPI WinMain(    HINSTANCE    hInstance,
                    HINSTANCE,
                    LPSTR,
                    int)
{
    MSG        msg;
    g_hInst = hInstance;
    GetWindowRect(GetDesktopWindow(), &screen);

    WNDCLASSEX    wc;
    wc.cbSize = sizeof(WNDCLASSEX);
    wc.style            = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | CS_SAVEBITS;
    wc.lpfnWndProc        = (WNDPROC) WndProc;
    wc.cbClsExtra        = 0;
    wc.cbWndExtra        = 0;
    wc.hInstance        = hInstance;
    wc.hIcon            = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_MYICON));
    wc.hIconSm          = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_MYICON));
    wc.hCursor            = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground    = NULL;
    wc.lpszMenuName        = NULL;
    wc.lpszClassName    = "OpenGL WinClass";


    if(!RegisterClassEx(&wc))
    {
        MessageBox(NULL,"Failed To Register The Window Class.","Error",MB_OK|MB_ICONERROR);
        return FALSE;
    }

    hWnd = CreateWindowEx(
    WS_EX_LEFT,
    "OpenGL WinClass",
    "OpenGL & Win32 Tutorial No.10",
    WS_MAXIMIZE |
    WS_CLIPCHILDREN |
    WS_CLIPSIBLINGS |
    WS_POPUPWINDOW |
    WS_VISIBLE,
    0, 0,
    screen.right, screen.bottom,
    NULL,
    NULL,
    hInstance,
    NULL);

    if(!hWnd)
    {
        MessageBox(NULL,"Window Creation Error.","Error",MB_OK|MB_ICONERROR);
        return FALSE;
    }

    DEVMODE dmScreenSettings;
    memset(&dmScreenSettings, 0, sizeof(DEVMODE));
    dmScreenSettings.dmSize        = sizeof(DEVMODE);
    dmScreenSettings.dmPelsWidth    = screen.right;
    dmScreenSettings.dmPelsHeight    = screen.bottom;
    dmScreenSettings.dmFields    = DM_PELSWIDTH | DM_PELSHEIGHT;
    ChangeDisplaySettings(&dmScreenSettings, CDS_FULLSCREEN);

    ShowWindow(hWnd, SW_HIDE);

    GetCurrentDirectory(MAX_PATH, AppDirectory);     // Get the application directory

    if(DialogBox(hInstance, "STARTDLG", hWnd, (DLGPROC)StartProc) == IDOK)
    {
        if (!InitGL(screen.right, screen.bottom))    // Moved the InitGL call to here (fails if the images did not load)
            SendMessage(hWnd, WM_CLOSE, 0, 0);
        else
        {
            ShowWindow(hWnd, SW_SHOW);
            UpdateWindow(hWnd);
            SetFocus(hWnd);
            wglMakeCurrent(hDC,hRC);
            SetCursorPos((int)(screen.right * 0.5), (int)(screen.bottom * 0.5));
            ShowCursor(0);
        }
    }
    else
    {
        delete[] texture;
        delete[] polygon;
        delete[] camera;
        delete[] light;    
        PostQuitMessage(0);
    }
    
    while (1)
    {
        while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE))
        {
            if (GetMessage(&msg, NULL, 0, 0))
            {
                TranslateMessage(&msg);
                DispatchMessage(&msg);
            }
            else
            {
                return TRUE;
            }
        }

        if(!DialogInUse)
        {
            SetCursorPos((int)(screen.right * 0.5), (int)(screen.bottom * 0.5));
            DrawGLScene();
            glFlush();
              SwapBuffers(hDC);
        }

        multiplier = GetTimePassed(lasttime, average, lastmultiplier);
        camera[currentCamera].Multiplier = multiplier;
        light[currentLight].Multiplier = multiplier;

        if (key['C'] && released_key['C'] == 0)
        {
            if (currentCamera < numCameras)
                currentCamera++;
            else
                currentCamera = 0;
            released_key['C'] = 1;
        }

        if (!key['C'])
            released_key['C'] = 0;

        if (key['L'] && released_key['L'] == 0)
        {
            if (currentLight < numLights)
                currentLight++;
            else
                currentLight = 0;
            released_key['L'] = 1;
        }

        if (!key['L'])
            released_key['L'] = 0;

        if (key['I'] && released_key['I'] == 0)
        {
            DialogInUse = 1;
            lightColor[0] = light[currentLight].Ambient[0];
            lightColor[1] = light[currentLight].Ambient[1];
            lightColor[2] = light[currentLight].Ambient[2];
            ShowCursor(1);
            GetLightColor();
            key['I'] = 0;
            ShowCursor(0);
            SetCursorPos((int)(screen.right * 0.5), (int)(screen.bottom * 0.5));
            light[currentLight].Ambient[0] = lightColor[0];
            light[currentLight].Ambient[1] = lightColor[1];
            light[currentLight].Ambient[2] = lightColor[2];
            light[currentLight].Update();
            DialogInUse = 0;
        }

        if (!key['I'])
            released_key['I'] = 0;

        if (key['O'] && released_key['O'] == 0)
        {
            DialogInUse = 2;
            lightColor[0] = light[currentLight].Diffuse[0];
            lightColor[1] = light[currentLight].Diffuse[1];
            lightColor[2] = light[currentLight].Diffuse[2];
            ShowCursor(1);
            GetLightColor();
            key['O'] = 0;
            ShowCursor(0);
            SetCursorPos((int)(screen.right * 0.5), (int)(screen.bottom * 0.5));
            light[currentLight].Diffuse[0] = lightColor[0];
            light[currentLight].Diffuse[1] = lightColor[1];
            light[currentLight].Diffuse[2] = lightColor[2];
            light[currentLight].Update();
            DialogInUse = 0;
        }

        if (!key['O'])
            released_key['O'] = 0;

        if (key['P'] && released_key['P'] == 0)
        {
            DialogInUse = 3;
            lightColor[0] = light[currentLight].Specular[0];
            lightColor[1] = light[currentLight].Specular[1];
            lightColor[2] = light[currentLight].Specular[2];
            ShowCursor(1);
            GetLightColor();
            key['P'] = 0;
            ShowCursor(0);
            SetCursorPos((int)(screen.right * 0.5), (int)(screen.bottom * 0.5));
            light[currentLight].Specular[0] = lightColor[0];
            light[currentLight].Specular[1] = lightColor[1];
            light[currentLight].Specular[2] = lightColor[2];
            light[currentLight].Update();
            DialogInUse = 0;
        }

        if (!key['P'])
            released_key['P'] = 0;

        if (key['H'] && released_key['H'] == 0)
        {
            if (visible)
                visible = 0;
            else
                visible = 1;
            released_key['H'] = 1;
        }

        if (!key['H'])
            released_key['H'] = 0;

        if (key['S'] && released_key['S'] == 0)
        {
            if (currentSpline < numSplines - 1)
                currentSpline++;
            else
                currentSpline = 0;
            released_key['S'] = 1;
        }

        if (!key['S'])
            released_key['S'] = 0;

        if (key['T'] && released_key['T'] == 0)
        {
            if (lookAtPath < numSplines - 1)
                lookAtPath++;
            else
                lookAtPath = 0;
            released_key['T'] = 1;
        }

        if (!key['T'])
            released_key['T'] = 0;

        if (key['M'] && released_key['M'] == 0)
        {
            if (cameraMode < 2)
                cameraMode++;
            else
                cameraMode = 0;
            released_key['M'] = 1;
        }

        if (!key['M'])
            released_key['M'] = 0;

        if (key[49])
        {
            step = 1.0;
        }

        if (key[50])
        {
            step = 2.0;
        }

        if (key[51])
        {
            step = 3.0;
        }

        if (key[52])
        {
            step = 4.0;
        }

        if (key[53])
        {
            step = 5.0;
        }

        if (key[54])
        {
            step = 6.0;
        }

        if (key[55])
        {
            step = 7.0;
        }

        if (key[56])
        {
            step = 8.0;
        }

        if (key[57])
        {
            step = 9.0;
        }

        if (key[VK_NUMPAD6])
        {
            light[currentLight].Movement_x += step;
        }

        if (key[VK_NUMPAD4])
        {
            light[currentLight].Movement_x -= step;
        }

        if (key[VK_NUMPAD2])
        {
            light[currentLight].Movement_z += step;
        }

        if (key[VK_NUMPAD8])
        {
            light[currentLight].Movement_z -= step;
        }

        if (key[VK_NUMPAD7])
        {
            light[currentLight].Movement_y += step;
        }

        if (key[VK_NUMPAD9])
        {
            light[currentLight].Movement_y -= step;
        }

        if (key[VK_NUMPAD5] && released_key[VK_NUMPAD5] == 0)
        {
            if (light[currentLight].Positional == FALSE)
                light[currentLight].Positional = TRUE;
            else
                light[currentLight].Positional = FALSE;
            released_key[VK_NUMPAD5] = 1;
        }

        if (!key[VK_NUMPAD5])
            released_key[VK_NUMPAD5] = 0;

        if (key[VK_RIGHT])
        {
            camera[currentCamera].Movement_x += step;
        }

        if (key[VK_LEFT])
        {
            camera[currentCamera].Movement_x -= step;
        }

        if (key[VK_DOWN])
        {
            camera[currentCamera].Movement_z += step;
        }

        if (key[VK_UP])
        {
            camera[currentCamera].Movement_z -= step;
        }

        if (key[VK_PRIOR])
        {
            camera[currentCamera].Movement_y += step;
        }

        if (key[VK_NEXT])
        {
            camera[currentCamera].Movement_y -= step;
        }

        if (key[VK_SPACE])
        {
            camera[currentCamera].Reset();
        }

        if (key[VK_ESCAPE] || key['Q'])
            SendMessage(hWnd,WM_CLOSE,0,0);
    }
}

---