OpenGLUsage
From SWWorkshop
Can I write OpenGL application on SWEngine ? Yes. Below example port from Nehe's tutorial. It's simple to use SWEngine with OpenGL command.
ScreenShot
Source Code
//SWEngine #include "../../include/SWEngine.h" #pragma comment (lib,"../../lib/SWUtil.lib") #pragma comment (lib,"../../lib/SWTypes.lib") #pragma comment (lib,"../../lib/SWCore.lib") #pragma comment (lib,"../../lib/SWEngine.lib") //OpenGL #include <gl/glew.h> // Header File For The GLu32 Library #include <gl/wglew.h> // Header File For The GLu32 Library #include <gl/gl.h> // Header File For The OpenGL32 Library #include <gl/glu.h> // Header File For The GLu32 Library #pragma comment (lib,"opengl32.lib") #pragma comment (lib,"glu32.lib") #pragma comment(lib, "glew32.lib") swApplication OpenGLUsageApp; GLfloat rtri; // Angle For The Triangle ( NEW ) GLfloat rquad; // Angle For The Quad ( NEW ) //------------------------------------------------------------------------------------------- void initOpenGL3D(){ //NEHE's CODE 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 glMatrixMode(GL_PROJECTION); // Select The Projection Matrix glLoadIdentity(); // Reset The Projection Matrix gluPerspective(45.0f,(GLfloat)swWindowGetWidth()/(GLfloat)swWindowGetHeight(),0.1f,100.0f); glMatrixMode(GL_MODELVIEW); // Select The Modelview Matrix glLoadIdentity(); } //------------------------------------------------------------------------------------------- void displayScene(){ //NEHE's CODE glLoadIdentity(); // Reset The Current Modelview Matrix glTranslatef(-1.5f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0 glRotatef(rtri,0.0f,1.0f,0.0f); // Rotate The Triangle On The Y axis ( NEW ) glBegin(GL_TRIANGLES); // Start Drawing A Triangle glColor3f(1.0f,0.0f,0.0f); // Red glVertex3f( 0.0f, 1.0f, 0.0f); // Top Of Triangle (Front) glColor3f(0.0f,1.0f,0.0f); // Green glVertex3f(-1.0f,-1.0f, 1.0f); // Left Of Triangle (Front) glColor3f(0.0f,0.0f,1.0f); // Blue glVertex3f( 1.0f,-1.0f, 1.0f); // Right Of Triangle (Front) glColor3f(1.0f,0.0f,0.0f); // Red glVertex3f( 0.0f, 1.0f, 0.0f); // Top Of Triangle (Right) glColor3f(0.0f,0.0f,1.0f); // Blue glVertex3f( 1.0f,-1.0f, 1.0f); // Left Of Triangle (Right) glColor3f(0.0f,1.0f,0.0f); // Green glVertex3f( 1.0f,-1.0f, -1.0f); // Right Of Triangle (Right) glColor3f(1.0f,0.0f,0.0f); // Red glVertex3f( 0.0f, 1.0f, 0.0f); // Top Of Triangle (Back) glColor3f(0.0f,1.0f,0.0f); // Green glVertex3f( 1.0f,-1.0f, -1.0f); // Left Of Triangle (Back) glColor3f(0.0f,0.0f,1.0f); // Blue glVertex3f(-1.0f,-1.0f, -1.0f); // Right Of Triangle (Back) glColor3f(1.0f,0.0f,0.0f); // Red glVertex3f( 0.0f, 1.0f, 0.0f); // Top Of Triangle (Left) glColor3f(0.0f,0.0f,1.0f); // Blue glVertex3f(-1.0f,-1.0f,-1.0f); // Left Of Triangle (Left) glColor3f(0.0f,1.0f,0.0f); // Green glVertex3f(-1.0f,-1.0f, 1.0f); // Right Of Triangle (Left) glEnd(); // Done Drawing The Pyramid glLoadIdentity(); // Reset The Current Modelview Matrix glTranslatef(1.5f,0.0f,-7.0f); // Move Right 1.5 Units And Into The Screen 7.0 glRotatef(rquad,1.0f,1.0f,1.0f); // Rotate The Quad On The X axis ( NEW ) glBegin(GL_QUADS); // Draw A Quad glColor3f(0.0f,1.0f,0.0f); // Set The Color To Blue glVertex3f( 1.0f, 1.0f,-1.0f); // Top Right Of The Quad (Top) glVertex3f(-1.0f, 1.0f,-1.0f); // Top Left Of The Quad (Top) glVertex3f(-1.0f, 1.0f, 1.0f); // Bottom Left Of The Quad (Top) glVertex3f( 1.0f, 1.0f, 1.0f); // Bottom Right Of The Quad (Top) glColor3f(1.0f,0.5f,0.0f); // Set The Color To Orange glVertex3f( 1.0f,-1.0f, 1.0f); // Top Right Of The Quad (Bottom) glVertex3f(-1.0f,-1.0f, 1.0f); // Top Left Of The Quad (Bottom) glVertex3f(-1.0f,-1.0f,-1.0f); // Bottom Left Of The Quad (Bottom) glVertex3f( 1.0f,-1.0f,-1.0f); // Bottom Right Of The Quad (Bottom) glColor3f(1.0f,0.0f,0.0f); // Set The Color To Red glVertex3f( 1.0f, 1.0f, 1.0f); // Top Right Of The Quad (Front) glVertex3f(-1.0f, 1.0f, 1.0f); // Top Left Of The Quad (Front) glVertex3f(-1.0f,-1.0f, 1.0f); // Bottom Left Of The Quad (Front) glVertex3f( 1.0f,-1.0f, 1.0f); // Bottom Right Of The Quad (Front) glColor3f(1.0f,1.0f,0.0f); // Set The Color To Yellow glVertex3f( 1.0f,-1.0f,-1.0f); // Top Right Of The Quad (Back) glVertex3f(-1.0f,-1.0f,-1.0f); // Top Left Of The Quad (Back) glVertex3f(-1.0f, 1.0f,-1.0f); // Bottom Left Of The Quad (Back) glVertex3f( 1.0f, 1.0f,-1.0f); // Bottom Right Of The Quad (Back) glColor3f(0.0f,0.0f,1.0f); // Set The Color To Blue glVertex3f(-1.0f, 1.0f, 1.0f); // Top Right Of The Quad (Left) glVertex3f(-1.0f, 1.0f,-1.0f); // Top Left Of The Quad (Left) glVertex3f(-1.0f,-1.0f,-1.0f); // Bottom Left Of The Quad (Left) glVertex3f(-1.0f,-1.0f, 1.0f); // Bottom Right Of The Quad (Left) glColor3f(1.0f,0.0f,1.0f); // Set The Color To Violet glVertex3f( 1.0f, 1.0f,-1.0f); // Top Right Of The Quad (Right) glVertex3f( 1.0f, 1.0f, 1.0f); // Top Left Of The Quad (Right) glVertex3f( 1.0f,-1.0f, 1.0f); // Bottom Left Of The Quad (Right) glVertex3f( 1.0f,-1.0f,-1.0f); // Bottom Right Of The Quad (Right) glEnd(); // Done Drawing The Quad rtri+=0.2f; // Increase The Rotation Variable For The Triangle ( NEW ) rquad-=0.15f; // Decrease The Rotation Variable For The Quad ( NEW ) } //------------------------------------------------------------------------------------------- void GameLoop(){ swGraphicsBeginScene(); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); displayScene(); swGraphicsEndScene(); } //------------------------------------------------------------------------------------------- int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd) { //Application Settings OpenGLUsageApp.hInstance=hInstance; OpenGLUsageApp.fullScreen=false; OpenGLUsageApp.cursor=true; OpenGLUsageApp.width=800; OpenGLUsageApp.height=600; OpenGLUsageApp.title="OpenGL Usage-(Nehe's Solid Object Tutorial)"; OpenGLUsageApp.path="resource"; OpenGLUsageApp.appRun=GameLoop; //Application Execution swEngineInit(&OpenGLUsageApp); initOpenGL3D(); swEngineRun(); swEngineExit(); return 0; }
