Es++ Sample: LightedCubes |
/****************************************************************************** * * 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. * * * LightedCubes.cpp * *****************************************************************************/ // #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/OpenGLIndexedCube.h> using namespace Gtk; namespace Es { class MainView :public Es::OpenGLMainView { private: /////////////////////////////////////////////////////// //Inner class starts. class SimpleView :public Es::OpenGLView { private: static const int CUBES = 4; OpenGLGC gc; SmartPtr<OpenGLIndexedCube> cubes[CUBES]; public: SimpleView() :OpenGLView() { } virtual void display() { if (cubes[0]) { gc.frustum(1 , -1 , -1 , 1 , 1 , 10); gc.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); gc.loadIdentity(); gc.matrixMode(GL_MODELVIEW); gc.clearColor(0.2, 0.0, 0.2, 1.0); gc.translate(-0.5f, -0.5f, 0.0f); gc.lookAt(3.0f, 8.0f, 14.0f, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); try { gc.enable(GL_LIGHTING); OpenGLLight light(GL_LIGHT0); light.position(0.0f, 6.0f, 2.0f, 0.0); OpenGLMaterial material(GL_FRONT); material.diffuse (0.2f, 1.0f, 0.2f, 0.0f); material.specular(1.0f, 1.0f, 1.0f, 0.0f); material.shininess(100.0f); for (int i = 0; i<CUBES; i++) { cubes[i]->draw(&gc); } } catch (Exception& ex) { caught(ex); } } } virtual void resize(int w, int h) { if (w == 0 || h == 0) { return; } gc.matrixMode(GL_PROJECTION); gc.loadIdentity(); gc.perspective(20.0, (double)w / (double)h, 0.5, 100.0); gc.matrixMode(GL_MODELVIEW); } virtual void initialize() { for (int i = 0; i<CUBES; i++) { cubes[i] = new OpenGLIndexedCube(1.0f, -2.0f+1.2f*i, -2.0f+1.2f*i, 1.0f-0.5f*i); } } }; // Inner class ends. /////////////////////////////////////////////////////// Es::HorizontalLayout horiz_layout; Es::VerticalLayout control_pane; 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); simple_view.set_size_request(400, 400); 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; }