I initialize it at the beginning of the function, I just didn't include them in the post. Thanks though. Vertex Arrays work just fine with that initialize function, I just don't know whats going on. Ive tried it on my other computer as well, same problem.
main.cpp:
#include "cApp.h"#include <stdio.h>#ifdef WIN32 #include <SDL.h>#endifint main(int argc, char* argv[]){ cApp *mainApp = new cApp(); mainApp->Initialize(); while( mainApp->Execute() ){} delete mainApp; mainApp = NULL;#ifdef WIN32 SDL_Quit();#endif return 1;}
cApp:
#ifndef __CAPP_H__#define __CAPP_H__#include "cInput.h"#include "cObjectManager.h"#include "cObject.h"#include "cExtensions.h"class cApp{ public: cApp(); ~cApp(); void Initialize(); bool Execute(); private: cInput *input; cObjectManager *objManager; cObject *terrain; cExtensions *ext;};#endif
#include "setup.h"#include "cApp.h"#include "cTerrain.h" cApp::cApp(){ ext = new cExtensions(); input = new cInput(); objManager = new cObjectManager(); terrain = new cTerrain();}cApp::~cApp(){ delete input; input = NULL; delete objManager; objManager = NULL; delete terrain; terrain = NULL; delete ext; ext = NULL;}void cApp::Initialize(){ HardwareInit(); glViewport (0, 0, GLint(SCREEN_WIDTH), GLint(SCREEN_HEIGHT)); glMatrixMode (GL_PROJECTION); glLoadIdentity(); gluPerspective( 45.0f, SCREEN_WIDTH / SCREEN_HEIGHT, 0.1f, 1000.0f ); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glShadeModel(GL_SMOOTH); glClearColor(0.0, 0.0, 0.0, 0.0); glColor4f( 1.0f, 1.0f, 1.0f, 1.0f ); glClearDepth(1.0f); glEnable(GL_DEPTH_TEST); glDepthFunc(GL_LEQUAL); glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glEnable(GL_LINE_SMOOTH); glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); ext->InitExtensions(); objManager->AddObject( terrain );}bool cApp::Execute(){ input->Update(); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glLoadIdentity(); objManager->DrawObjects(); SwapBuffers(); return( not input->EscPressed() );}
cObjectManager:
#ifndef __COBJECTMANAGER_H__#define __COBJECTMANAGER_H__#include "cObject.h"struct objNode{ cObject *obj; objNode *next;};class cObjectManager{ public: cObjectManager(); ~cObjectManager(); void AddObject( cObject *o ); void DrawObjects(); private: objNode *objList; objNode *objListEnd;};#endif
#include "cObjectManager.h"#include <stdio.h>cObjectManager::cObjectManager(){ objList = NULL; objListEnd = NULL;}cObjectManager::~cObjectManager(){ objNode *curr = objList; while( curr != NULL ) { objList = objList->next; delete curr; curr = objList; }}void cObjectManager::AddObject( cObject *o ){ objNode *newNode = new objNode; newNode->obj = o; newNode->next = NULL; o->Init(); if( objList == NULL ) { objList = newNode; objListEnd = objList; } else { objListEnd->next = newNode; objListEnd = newNode; }}void cObjectManager::DrawObjects(){ objNode *curr = objList; while( curr != NULL ) { curr->obj->Draw(); curr = curr->next; } }
cObject:
#ifndef __COBJECT_H__#define __COBJECT_H__#include "cVertex.h"#include "cExtensions.h"class cObject{ public: cObject(); ~cObject(); virtual void Init() = 0; virtual void Draw() = 0; inline bool IsInitialized() { return initialized; } protected: cVertex position; cVertex *verticies; GLuint vertID; GLushort *indicies; GLuint indID; cExtensions *ext; };#endif
#include "cObject.h"#include <stdio.h>cObject::cObject(){ verticies = NULL; vertID = 0; indicies = NULL; indID = 0; initialized = false; ext = new cExtensions();}cObject::~cObject(){ ext->glDeleteBuffers( 1, &vertID ); if( verticies != NULL ) { delete [] verticies; verticies = NULL; } ext->glDeleteBuffers( 1, &indID ); if( indicies != NULL ) { delete [] indicies; indicies = NULL; } delete ext; ext = NULL;}
cTerrain:
#ifndef __CTERRAIN_H__#define __CTERRAIN_H__#include "cObject.h"class cTerrain : public cObject{ public: cTerrain(); ~cTerrain(); void Draw(); void Init(); private:};#endif
#include "cTerrain.h"#include "SDL_opengl.h"#include <stdio.h>#define WIDTH 10//1024#define HEIGHT 10//1024 #define INDEX_ARRAY_SIZE ( WIDTH * (HEIGHT*2) ) - (HEIGHT*2) + (WIDTH*2-4)cTerrain::cTerrain(){}cTerrain::~cTerrain(){}void cTerrain::Init(){ int i; int j; int index = 0; verticies = new cVertex[WIDTH * HEIGHT]; for( i = 0; i < WIDTH; i++ ) { for( j = 0; j < HEIGHT; j++ ) { verticies[(i*HEIGHT) + j].x = i; verticies[(i*HEIGHT) + j].y = 0.0; verticies[(i*HEIGHT) + j].z = -j; } } ext->glGenBuffers( 1, &vertID ); ext->glBindBuffer( GL_ARRAY_BUFFER, vertID ); ext->glBufferData( GL_ARRAY_BUFFER, ( (WIDTH*HEIGHT) * sizeof(cVertex) ), verticies, GL_STATIC_DRAW ); // delete [] verticies; // verticies = NULL; indicies = new GLushort[INDEX_ARRAY_SIZE]; for( i = 0; i < WIDTH - 1; i++ ) { for( j = 0; j < HEIGHT; j++ ) { if( index > 0 ) { if( (indicies[index-1]+1) % HEIGHT == 0 && (indicies[index-1]+1) > HEIGHT ) { indicies[index] = indicies[index-1]; index++; } } indicies[index] = j + (i * HEIGHT); index++; if( index > 0 ) { if( indicies[index-1] % HEIGHT == 0 && indicies[index-1] >= HEIGHT ) { indicies[index] = indicies[index-1]; index++; } } indicies[index] = j + (i * HEIGHT) + HEIGHT; index++; } } ext->glGenBuffers( 1, &indID ); ext->glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, indID ); ext->glBufferData( GL_ELEMENT_ARRAY_BUFFER, INDEX_ARRAY_SIZE * sizeof(GLushort), indicies, GL_STATIC_DRAW ); // delete [] indicies; // indicies = NULL; initialized = true;}void cTerrain::Draw(){ glColor4f( 1.0f, 1.0f, 1.0f, 1.0f ); glTranslatef( 0.0f, 0.0f, -20.0f ); glRotatef( 30.0f, 1.0f, 0.0f, 0.0f ); ext->glBindBuffer( GL_ARRAY_BUFFER, vertID ); ext->glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, indID ); glEnableClientState( GL_VERTEX_ARRAY ); glVertexPointer( 3, GL_FLOAT, 0, (float*)NULL + 0 ); glDrawElements( GL_TRIANGLE_STRIP, INDEX_ARRAY_SIZE, GL_UNSIGNED_SHORT, 0 ); glDisableClientState( GL_VERTEX_ARRAY ); ext->glBindBuffer( GL_ARRAY_BUFFER, 0 ); ext->glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, 0 ); glColor3f( 1.0f, 0.0f, 0.0f ); glBegin( GL_LINES ); glVertex3f( 0.0f, 0.0f, 0.0f ); glVertex3f( 1.0f, 0.0f, 0.0f ); glEnd(); glColor3f( 0.0f, 1.0f, 0.0f ); glBegin( GL_LINES ); glVertex3f( 0.0f, 0.0f, 0.0f ); glVertex3f( 0.0f, 1.0f, 0.0f ); glEnd(); glColor3f( 0.0f, 0.0f, 1.0f ); glBegin( GL_LINES ); glVertex3f( 0.0f, 0.0f, 0.0f ); glVertex3f( 0.0f, 0.0f, -1.0f ); glEnd();}
