Es++ Sample: TexturedSphereRotationOnIdleTime |
/****************************************************************************** * * Copyright (c) 2017 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. * * * TexturedSphereRotationOnIdleTime.cpp * *****************************************************************************/ // // 2017/11/27 Updated. #include <es++/SmartPtr.h> #include <es++/opengl/OpenGLApplication.h> #include <es++/opengl/OpenGLMainView.h> #include <es++/opengl/OpenGLView.h> #include <es++/opengl/OpenGLGC.h> #include <es++/opengl/OpenGLLight.h> #include <es++/opengl/OpenGLMaterial.h> #include <es++/opengl/OpenGLTexturedSphere.h> using namespace Gtk; namespace Es { class MainView :public Es::OpenGLMainView { private: /////////////////////////////////////////////////////// //Inner classes start. class SimpleView :public Es::OpenGLView { private: OpenGLGC gc; SmartPtr<OpenGLTexturedSphere> texture; float angle; Vertex3 axis; public: SimpleView() :OpenGLView() { } virtual void display() { angle -= 2.0f; setViewPort(); if (texture) { gc.matrixMode(GL_PROJECTION); gc.loadIdentity(); gc.perspective(16.0, (double)width() / (double)height(), 0.5, 100.0); gc.matrixMode(GL_MODELVIEW); gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); gc.loadIdentity(); gc.clearColor(0.1, 0.1, 0.2, 1.0); gc.enable(GL_CULL_FACE); //2017/11/27 Added the following line gc.cullFace(GL_FRONT); gc.enable(GL_LIGHTING); gc.enable(GL_DEPTH_TEST); gc.color(1.0f, 1.0f, 1.0f); gc.lookAt(0.0, 18.0, 4.0, 0.0, 0.0, 0.0, 0.0, 100.0, 0.0); gc.translate(0.0f, 0.0f, 0.0f); gc.rotate(angle, axis.x, axis.y, axis.z); OpenGLLight light(GL_LIGHT0); //2017/11/27 Modified lightPosition 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); texture -> draw(&gc); } } 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, 100.0); gc.matrixMode(GL_MODELVIEW); } virtual void initialize() { //2017/11/27 Modified axis value. axis.x = -10.0f; axis.y = -50.0f; axis.z = 80.0f; gc.enable(GL_DEPTH_TEST); gc. enable(GL_TEXTURE_2D); try { // The 'world.topo.bathy.200412.3x860x430.jpg' used here is based on // 'world.topo.bathy.200412.3x5400x2700.jpg' in the following page. // //http://visibleearth.nasa.gov/view.php?id=73909 // //December, Blue Marble Next Generation w/ Topography and Bathymetry //Credit: Reto St?ckli, NASA Earth Observatory const char* imageFileName = "../../images/world.topo.bathy.200412.3x860x430.jpg"; // const char* appName = "TexturedSpherRotationByKeyInput"; texture = new OpenGLTexturedSphere(imageFileName, 2.5f, 40, 40); } catch (Exception& ex) { caught(ex); } } }; // Inner classes end. /////////////////////////////////////////////////////// Es::HorizontalLayout horiz_layout; SimpleView simple_view; public: ////////////////////////////////////////////// //Constructor // MainView(Es::OpenGLApplication& applet, std::string& name, Es::Args& args) :OpenGLMainView(applet, name, args) { int w = (int)args.get(XmNwidth); int h = (int)args.get(XmNheight); Es::MainLayout& main_layout = get_main_layout(); main_layout.pack_start(horiz_layout); horiz_layout.pack_start(simple_view); OpenGLContext* context = applet.getOpenGLContext(); simple_view.set_opengl_context(context); show_all_children(); } void render() { simple_view.render(); } }; } int main(int argc, char** argv) { Es::Environment env; try { std::string name = argv[0]; Es::OpenGLApplication applet(argc, argv); Es::Args args; args.set(XmNx, 20); args.set(XmNy, 40); args.set(XmNwidth, 400); args.set(XmNheight, 400); Es::MainView mainv(applet, name, args); mainv.show(); applet.run(mainv); } catch (Es::Exception& ex) { caught(ex); } catch (...) { printf("Get exception \n"); } return 0; }