| OZ++ Sample: LightedProportionalSphere |
/****************************************************************************** * * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * LightedPropotionalSphere.cpp * *****************************************************************************/ // 2017/01/16 Updated display method. #include <oz++/opengl/OpenGLMainView.h> #include <oz++/opengl/OpenGLView.h> #include <oz++/opengl/OpenGLGC.h> #include <oz++/opengl/OpenGLLight.h> #include <oz++/opengl/OpenGLMaterial.h> #include <oz++/opengl/OpenGLSphere.h> namespace OZ { class MainView :public OpenGLMainView { private: //Inner class starts. class SimpleView: public OpenGLView { private: OpenGLGC gc; SmartPtr<OpenGLQuadric> quadric; SmartPtr<OpenGLSphere> sphere; public: virtual void display() { if (sphere) { //Set a proportional perspective. gc.matrixMode(GL_PROJECTION); gc.loadIdentity(); gc.perspective(16.0, (double)width() / (double)height(), 0.5, 40.0); gc.matrixMode(GL_MODELVIEW); gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); gc.loadIdentity(); gc.lookAt(2.0, 4.0, 8.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); gc.clearColor(0.0, 0.0, 0.0, 1.0); gc.enable(GL_CULL_FACE); gc.enable(GL_LIGHTING); OpenGLLight light(GL_LIGHT0); GLfloat lightPosition[] = {10, 10, 10, 1.0}; light.position(lightPosition); GLfloat white[] = {1.0f, 1.0f, 1.0f, 1.0f}; GLfloat blue[] = {0.0f, 0.0f, 1.0f, 1.0f}; GLfloat shininess[] = {100.0}; OpenGLMaterial material(GL_FRONT); material.diffuse(blue); material.specular(white); material.shininess(shininess); sphere-> draw(1, 40, 40); } } virtual void resize(int w, int h) { if (w == 0 || h == 0) { return; } gc.matrixMode(GL_PROJECTION); gc.loadIdentity(); gc.perspective(16.0, (double)w / (double)h, 0.5, 40.0); gc.matrixMode(GL_MODELVIEW); } virtual void initialize() { quadric = new OpenGLQuadric(); quadric -> drawStyle(GLU_FILL); quadric -> normals(GLU_SMOOTH); sphere = new OpenGLSphere(quadric); } public: SimpleView(OpenGLMainView* parent, const char* name, Args& args) :OpenGLView(parent, name, args) { } ~SimpleView() { } }; //Inner class ends. private: SmartPtr<SimpleView> view; public: MainView(OpenGLApplication& applet, const char* name, Args& args) :OpenGLMainView(applet, name, args) { Args ar; ar.set(XmNopenGLBufferType, (XtArgVal)getBufferType()); view = new SimpleView(this, "", ar); } ~MainView() { } }; } // int main(int argc, char** argv) { try { const char* appclass = argv[0]; OpenGLApplication applet(appclass, argc, argv); Args args; args.set(XmNgeometry, "400x300"); MainView view(applet, argv[0], args); view.realize(); applet.run(); } catch (Exception& ex) { caught(ex); } return 0; }