商业编程-源码-3DS动画文件阅读器源代码.zip

/************************************ * A C++ Glut Wrapper * * Author: Andrea Ingegneri * * Date: 16/12/2001 * * Distribution: LGPL (www.gnu.org) * ************************************/ #include <iostream> #include <fstream> #include <string> #include <vector> #include <cmath> using namespace std; #include <GL/glut.h> #include "c3ds.h" #include "wndframe.h" #include "VECTOR.h" #include "MATRIX.h" #include "C3DModel.h" class CAppFrame : public CWindow { public: CAppFrame(string Name, int PosX, int PosY, int DimX, int DimY); void Display(void); void Reshape(int DimX, int DimY); void Idle(void); void Init(void); void Keyboard(unsigned char key, int x, int y); // Application frames C3DModel *ModelloPtr; private: float mScale; float Degree; }; CAppFrame::CAppFrame(string Name, int PosX, int PosY, int DimX, int DimY) : CWindow(Name, PosX, PosY, DimX, DimY), Degree(0), mScale(100.0f) { ModelloPtr = new C3DModel(); ModelloPtr->ProcessFile("0155.3ds"); cout << "File Loaded" << endl; int nobj = ModelloPtr->GetObjNumber(); for (int i = 0; i < nobj; i++) { C3DObject *ObjectPtr; ObjectPtr = ModelloPtr->GetObject(i); ObjectPtr->UseTrasform(); } } void CAppFrame::Reshape(int DimX, int DimY) { if (DimY==0) // Prevent A Divide By Zero By { DimY=1; // Making Height Equal One } glViewport(0, 0, DimX, DimY); // Reset The Current Viewport glMatrixMode(GL_PROJECTION); // Select The Projection Matrix glLoadIdentity(); // Reset The Projection Matrix // Calculate The Aspect Ratio Of The Window gluPerspective(45.0f,(GLfloat)DimX/(GLfloat)DimY,0.1f,100.0f); glMatrixMode(GL_MODELVIEW); // Select The Modelview Matrix glLoadIdentity(); // Reset The Modelview Matrix } void CAppFrame::Display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth Buffer glLoadIdentity(); // Reset The Current Modelview Matrix glTranslatef(0.0f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0 glRotatef(Degree, 1, 1, 2); int nobj = ModelloPtr->GetObjNumber(); for (int i = 0; i < nobj; i++) { C3DObject *ObjectPtr; ObjectPtr = ModelloPtr->GetObject(i); int nfaces = ObjectPtr->faces.size(); for(int face = 0; face < nfaces; face++) { C3DFace *FacePtr; FacePtr = &ObjectPtr->faces[face]; int A, B, C; A = FacePtr->A; B = FacePtr->B; C = FacePtr->C; glBegin(GL_LINES); // Drawing Using Triangles glVertex3f( ObjectPtr->vertices[A].x/mScale, ObjectPtr->vertices[A].y/mScale, ObjectPtr->vertices[A].z/mScale); // Top glVertex3f( ObjectPtr->vertices[B].x/mScale, ObjectPtr->vertices[B].y/mScale, ObjectPtr->vertices[B].z/mScale); // Top glEnd(); // Finished Drawing The Triangle glBegin(GL_LINES); // Drawing Using Triangles glVertex3f( ObjectPtr->vertices[B].x/mScale, ObjectPtr->vertices[B].y/mScale, ObjectPtr->vertices[B].z/mScale); // Top glVertex3f( ObjectPtr->vertices[C].x/mScale, ObjectPtr->vertices[C].y/mScale, ObjectPtr->vertices[C].z/mScale); // Top glEnd(); // Finished Drawing The Triangle glBegin(GL_LINES); // Drawing Using Triangles glVertex3f( ObjectPtr->vertices[C].x/mScale, ObjectPtr->vertices[C].y/mScale, ObjectPtr->vertices[C].z/mScale); // Top glVertex3f( ObjectPtr->vertices[A].x/mScale, ObjectPtr->vertices[A].y/mScale, ObjectPtr->vertices[A].z/mScale); // Top glEnd(); // Finished Drawing The Triangle } } // glFlush(); glutSwapBuffers(); } void CAppFrame::Idle() { Degree += 0.25f; if (Degree >= 360) Degree = 0; Display(); } void CAppFrame::Init() { glShadeModel(GL_SMOOTH); // Enable Smooth Shading glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background glClearDepth(1.0f); // Depth Buffer Setup glEnable(GL_DEPTH_TEST); // Enables Depth Testing glDepthFunc(GL_LEQUAL); // The Type Of Depth Testing To Do glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Really Nice Perspective Calculations } void CAppFrame::Keyboard(unsigned char key, int x, int y) { if (key == '-') mScale -= 1.0f; if (key == '+') mScale += 1.0f; } void main() { CViewControl Control("Ciao"); // CWindow Finestra1("Hello World", 10, 10, 400, 400); CAppFrame Finestra2("Hello", 10, 10, 400, 400); Control.AppendWindow(&Finestra2); Control.Start(); }