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| #include <windows.h>
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#pragma comment (lib, "user32.lib")
#pragma comment (lib, "kernel32.lib")
#pragma comment (lib, "gdi32.lib")
#define MAX_LOADSTRING 100
using namespace std;
// Global Variables:
HINSTANCE hInst; // current instance
char szTitle[MAX_LOADSTRING]; // The title bar text
char szWindowClass[MAX_LOADSTRING]; // the main window class name
// Forward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
class Vertex
{
public:
Vertex();
~Vertex();
float x,y,z,w;
};
Vertex::Vertex()
{
w = 1;
}
Vertex::~Vertex()
{
}
Vertex matCalc(float m[4][4], Vertex tempVertex)
{
Vertex vertex;
vertex.x=m[0][0]*tempVertex.x + m[0][1]*tempVertex.y + m[0][2]*tempVertex.z + m[0][3]*tempVertex.w;
vertex.y=m[1][0]*tempVertex.x + m[1][1]*tempVertex.y + m[1][2]*tempVertex.z + m[1][3]*tempVertex.w;
vertex.z=m[2][0]*tempVertex.x + m[2][1]*tempVertex.y + m[2][2]*tempVertex.z + m[2][3]*tempVertex.w;
return vertex;
}
class Matrix
{
public:
Matrix();
~Matrix();
Vertex TMatrix(Vertex vertex);
Vertex VMatrix(Vertex vertex);
Vertex PMatrix(Vertex vertex);
float m[4][4];
};
Matrix::Matrix()
{
}
Matrix::~Matrix()
{
}
Vertex Matrix::TMatrix(Vertex tempVertex)
{
Matrix _Matrix;
_Matrix.m[0][0]=5;
_Matrix.m[0][1]=0;
_Matrix.m[0][2]=0;
_Matrix.m[0][3]=5;
_Matrix.m[1][0]=0;
_Matrix.m[1][1]=0;
_Matrix.m[1][2]=-5;
_Matrix.m[1][3]=-5;
_Matrix.m[2][0]=0;
_Matrix.m[2][1]=5;
_Matrix.m[2][2]=0;
_Matrix.m[2][3]=5;
_Matrix.m[3][0]=0;
_Matrix.m[3][1]=0;
_Matrix.m[3][2]=0;
_Matrix.m[3][3]=1;
Vertex vertex=matCalc(_Matrix.m,tempVertex);
return vertex;
}
Vertex Matrix::VMatrix(Vertex tempVertex)
{
Matrix _Matrix;
_Matrix.m[0][0]=1;
_Matrix.m[0][1]=0;
_Matrix.m[0][2]=0;
_Matrix.m[0][3]=0;
_Matrix.m[1][0]=0;
_Matrix.m[1][1]=-1;
_Matrix.m[1][2]=0;
_Matrix.m[1][3]=0;
_Matrix.m[2][0]=0;
_Matrix.m[2][1]=0;
_Matrix.m[2][2]=-1;
_Matrix.m[2][3]=0;
_Matrix.m[3][0]=0;
_Matrix.m[3][1]=0;
_Matrix.m[3][2]=0;
_Matrix.m[3][3]=1;
Vertex vertex=matCalc(_Matrix.m,tempVertex);
return vertex;
}
Vertex Matrix::PMatrix(Vertex tempVertex)
{
Matrix _Matrix;
_Matrix.m[0][0]=5;
_Matrix.m[0][1]=0;
_Matrix.m[0][2]=0;
_Matrix.m[0][3]=0;
_Matrix.m[1][0]=0;
_Matrix.m[1][1]=5;
_Matrix.m[1][2]=0;
_Matrix.m[1][3]=0;
_Matrix.m[2][0]=0;
_Matrix.m[2][1]=0;
_Matrix.m[2][2]=0;
_Matrix.m[2][3]=0;
_Matrix.m[3][0]=0;
_Matrix.m[3][1]=0;
_Matrix.m[3][2]=0;
_Matrix.m[3][3]=1;
Vertex vertex=matCalc(_Matrix.m,tempVertex);
return vertex;
}
const int size_to_read=50;
int fchoose[10000][3];
char buffer[size_to_read];
float readX[10000];
float readY[10000];
float readZ[10000];
char op='v';
int vcount=0;
int wmId, wmEvent;
float x[3],y[3];
Matrix matrixx;
Vertex myVertex[3];
int i=0;
int fcount=0;
POINT Pt[4];
DWORD lpPts[] = { 4};
int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
ifstream infile("tie_fighter.obj", ifstream::in);
while(!infile.eof())
{
infile.getline(buffer, size_to_read);
istringstream iss(buffer, istringstream::in);
iss>>op;
if (op=='v')
{
iss>>readX[vcount]>>readY[vcount]>>readZ[vcount];
vcount++;
}
else if (op=='f')
{
iss>>fchoose[fcount][0]>>fchoose[fcount][1]>>fchoose[fcount][2];
fcount++;
}
}
infile.close();
MSG msg;
MyRegisterClass(hInstance);
if (!InitInstance (hInstance, nCmdShow))
return FALSE;
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int) msg.wParam;
}
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = NULL;
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = "menu";
wcex.lpszClassName = "class";
wcex.hIconSm = NULL;
return RegisterClassEx(&wcex);
}
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance;
hWnd = CreateWindow("class", "title", WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
if (!hWnd)
return FALSE;
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
for (int j=0;j<fcount-1;j++)
{
for (int i=0;i<3;i++)
{
int a=fchoose[j][i]-1;
myVertex[i].x=readX[a];
myVertex[i].y=readY[a];
myVertex[i].z=readZ[a];
//myVertex[i].z=readZ[fchoose[j][i]-1];
myVertex[i]=matrixx.TMatrix(myVertex[i]);
myVertex[i]=matrixx.VMatrix(myVertex[i]);
myVertex[i]=matrixx.PMatrix(myVertex[i]);
x[i]=myVertex[i].x;
y[i]=myVertex[i].y;
}
Pt[0].x = x[0];
Pt[0].y = y[0];
Pt[1].x = x[1];
Pt[1].y = y[1];
Pt[2].x = x[2];
Pt[2].y = y[2];
Pt[3].x = x[0];
Pt[3].y = y[0];
PolyPolyline(hdc, Pt, lpPts, 1);
//InvalidateRect(hWnd, 0, false);
}
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
} |
