| OZ++ Sample: CubeRotationByTimerThread |
/****************************************************************************** * * Copyright (c) 2016 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. * * * CubeRotationByTimerThread.cpp * *****************************************************************************/ #include <oz++/Mutex.h> #include <oz++/motif/RenderingTimer.h> #include <oz++/opengl/OpenGLMainView.h> #include <oz++/opengl/OpenGLView.h> #include <oz++/opengl/OpenGLGC.h> #include <oz++/opengl/OpenGLClientState.h> namespace OZ { class MainView :public OpenGLMainView { private: //Inner class starts. class SimpleView: public OpenGLView { private: OpenGLGC gc; float angle; RenderingTimer* timerThread; int renderingInterval; Mutex mutex; public: virtual void display() { mutex.lock(); angle += 0.2f; static GLfloat vertices[] = { -0.5f, -0.5f, 0.5f, 0.5f, -0.5f, 0.5f, 0.5f, 0.5f, 0.5f, -0.5f, 0.5f, 0.5f, -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, -0.5f, 0.5f, 0.5f, -0.5f, -0.5f, 0.5f, -0.5f, }; //Colors(RGBs) for the 5 vertices static GLfloat colors[] = { 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, }; //Indices for the 4 triangles. static GLint indices[] = { // front 0, 1, 2, 2, 3, 0, // top 3, 2, 6, 6, 7, 3, // back 7, 6, 5, 5, 4, 7, // bottom 4, 5, 1, 1, 0, 4, // left 4, 0, 3, 3, 7, 4, // right 1, 5, 6, 6, 2, 1, }; 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.translate(0.0f,0.0f,-1.0f); gc.lookAt(2.0, 4.0, 6.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); //Rotation around y-axis. gc.rotate(angle, 0.0, 1.0, 0.0); try { OpenGLClientState state1(GL_VERTEX_ARRAY); OpenGLClientState state2(GL_COLOR_ARRAY); gc.vertexPointer(3, GL_FLOAT, 0, vertices); gc.colorPointer (4, GL_FLOAT, 0, colors); gc.drawElements(GL_TRIANGLES, SizeOf(indices), GL_UNSIGNED_INT, indices); } catch (Exception& ex) { caught(ex); } mutex.unlock(); } 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() { gc.enable( GL_DEPTH_TEST ); timerThread = new RenderingTimer(this, renderingInterval); timerThread -> start(); } public: SimpleView(OpenGLMainView* parent, const char* name, Args& args) :OpenGLView(parent, name, args), angle(0.0), timerThread(NULL), renderingInterval(0) { renderingInterval = (int)args.get(XmNrenderingInterval); } ~SimpleView() { delete timerThread; } }; //Inner class ends. private: SmartPtr<SimpleView> view; public: MainView(OpenGLApplication& applet, const char* name, Args& args) :OpenGLMainView(applet, name, args) { int interval = (int)args.get(XmNrenderingInterval); Args ar; ar.set(XmNrenderingInterval, interval); ar.set(XmNopenGLBufferType, (XtArgVal)getBufferType()); view = new SimpleView(this, "", ar); } ~MainView() { } }; } // int main(int argc, char** argv) { try { XInitThreads(); const char* name = argv[0]; OpenGLApplication applet(name, argc, argv); Args args; args.set(XmNwidth, 400); args.set(XmNheight, 300); args.set(XmNrenderingInterval, 10); //10 millisec MainView view(applet, name, args); view.realize(); applet.run(); } catch (Exception& ex) { caught(ex); } return 0; }