| OZ++ Sample: PyramidWithColorEyeLightPositioner |
/****************************************************************************** * * 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. * * * SphereWithColorEyeLightPositioner.cpp * *****************************************************************************/ #include <oz++/motif/ColorEyeLightPositioner.h> #include <oz++/opengl/OpenGLMainView.h> #include <oz++/opengl/OpenGLForm.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> #include <oz++/opengl/Normal3.h> #include <oz++/opengl/FaceIndices.h> #include <oz++/opengl/OpenGLClientState.h> #include <oz++/opengl/OpenGLTriangleSurfaces.h> namespace OZ { class MainView :public OpenGLMainView { private: //Inner class start class SimpleView: public OpenGLView { private: OpenGLGC gc; SmartPtr<OpenGLTriangleSurfaces> surfaces; Normal3* normals; //Shallow copy size_t numNormals; ColorEyeLightPositioner* positioner;//Shallow copy public: virtual void display() { static Vertex<3> vertices[] = { { -1.0, -1.0, 1.0}, { 1.0, -1.0, 1.0}, { 1.0, -1.0, -1.0}, { -1.0, -1.0, -1.0}, { 0.0, 1.0, 0.0}, }; static FaceIndices<3> indices[] = { {0, 1, 4}, //Triangle: face1 {1, 2, 4}, //Triangle: face2 {2, 3, 4}, //Triangle: face3 {3, 0, 4}, //Triangle] face4 }; if (surfaces == NULL) { surfaces = new OpenGLTriangleSurfaces(vertices, SizeOf(vertices), indices, SizeOf(indices)); normals = surfaces->calculateSurfaceNormals(numNormals); //surfaces->displayNormals(); } if (normals && positioner) { 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(0.0, 1.0, 1.0, 1.0); gc.translate(0.0f,0.0f,-1.0f); float eyeX, eyeY, eyeZ; positioner->getEyePosition(eyeX, eyeY, eyeZ); gc.lookAt(eyeX, eyeY, eyeZ, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); gc.rotate(0.0, 0.0, 1.0, 0.0); try { gc.enable(GL_LIGHTING); OpenGLLight light(GL_LIGHT0); float lightX, lightY, lightZ; positioner->getLightPosition(lightX, lightY, lightZ); light.position(lightX, lightY, lightZ, 0.0); OpenGLMaterial material(GL_FRONT); float r, g, b; positioner->getColorPosition(r, g, b); material.diffuse (r, g, b, 0.0f); material.specular(1.0f, 1.0f, 1.0f, 0.0f); material.shininess(100.0f); gc.frontFace(GL_CCW); gc.enable(GL_CULL_FACE); gc.cullFace(GL_BACK); gc.enable(GL_NORMALIZE); for (int i = 0; i< SizeOf(indices); i++) { gc.begin(GL_TRIANGLES); FaceIndices<3> tri = indices[i]; gc.draw( normals[i], vertices[ tri.index[0] ], vertices[ tri.index[1] ], vertices[ tri.index[2] ]); gc.flush(); gc.end(); } } 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(16.0, (double)w / (double)h, 0.5, 40.0); gc.matrixMode(GL_MODELVIEW); } virtual void initialize() { gc.enable(GL_DEPTH_TEST); } public: SimpleView(OpenGLForm* parent, const char* name, Args& args) :OpenGLView(parent, name, args) ,positioner(NULL) { } ~SimpleView() { } void setPositioner(ColorEyeLightPositioner* pos) { positioner = pos; //shallow copy. } }; //Inner class end private: SmartPtr<SimpleView> view; SmartPtr<OpenGLForm> form; SmartPtr<ColorEyeLightPositioner> positioner; virtual void structureNotify(Event& event) { XEvent* xe = event.getXEvent(); if (xe->type == ConfigureNotify) { configureNotify(event); } else { //Add here your own nofity event handlers. } //sendExposeEvent(); } //Your own resize handler. virtual void configureNotify(Event& event) { configure(); } virtual void configure() { Dimension width, height; get(XmNwidth, (XtArgVal)&width); get(XmNheight, (XtArgVal)&height); if (positioner && view) { Dimension w = width-positioner->getPositionerWidth()-4; view->set(XmNwidth, w); view->set(XmNheight, height); view->resize(w, height); positioner->resize((Position)(w-4), (Position)0, w+2, (Dimension)(height-2), (Dimension)0); } } public: MainView(OpenGLApplication& applet, const char* name, Args& args) :OpenGLMainView(applet, name, args) { Args ar; form = new OpenGLForm(this, "", ar); ar.reset(); ar.set(XmNtopAttachment, XmATTACH_FORM); ar.set(XmNleftAttachment, XmATTACH_FORM); ar.set(XmNbottomAttachment, XmATTACH_FORM); ar.set(XmNresizePolicy, XmRESIZE_ANY); ar.set(XmNopenGLBufferType, (XtArgVal)getBufferType()); view = new SimpleView(form, "", ar); ar.reset(); ar.set(XmNtopAttachment, XmATTACH_FORM); ar.set(XmNrightAttachment, XmATTACH_FORM); ar.set(XmNleftAttachment, XmATTACH_WIDGET); ar.set(XmNbottomAttachment, XmATTACH_FORM); ar.set(XmNleftWidget, view->getWidget()); positioner = new ColorEyeLightPositioner(form, "", ar); positioner->setColorPosition(255, 0, 128); positioner->setEyePosition(3, 6, 12); positioner->setLightPosition(-4, -8, 10); positioner->setExposeEventListener(view); view->setPositioner(positioner); this -> addEventHandler(StructureNotifyMask, this, (Handler)&MainView::structureNotify, NULL); //Call configure layaout method. configure(); } ~MainView() { } }; } // int main(int argc, char** argv) { try { const char* appclass = argv[0]; OpenGLApplication applet(appclass, argc, argv); Args args; args.set(XmNgeometry, "600x400"); MainView view(applet, argv[0], args); view.realize(); applet.run(); } catch (Exception& ex) { caught(ex); } return 0; }