OZ++ Class: OpenGLIndexedBox |
/****************************************************************************** * * 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. * * * OpenGLIndexedBox.h * *****************************************************************************/ //2017/02/25 Updated for VS2015 #pragma once #include <oz++/Vertex.h> #include <oz++/opengl/Normal3.h> #include <oz++/opengl/FaceIndices.h> #include <oz++/opengl/OpenGLIndexedVertices.h> #include <oz++/opengl/OpenGLQuadSurfaces.h> namespace OZ { class OpenGLIndexedBox :public OpenGLIndexedVertices { private: static const int VERTEX_COUNT = 8; static const int FACE_COUNT = 6; Vertex<3> vertices[VERTEX_COUNT]; FaceIndices<4> indices[FACE_COUNT]; SmartPtr<OpenGLQuadSurfaces> surfaces; Normal3* normals; //shallow copy size_t numNormals; void set(Vertex<3>& v, float x, float y, float z) { v.value[0] = x; v.value[1] = y; v.value[2] = z; } void set(FaceIndices<4>& f, int a, int b, int c, int d) { f.index[0] = a; f.index[1] = b; f.index[2] = c; f.index[3] = d; } public: OpenGLIndexedBox(GLfloat w=1.0f, GLfloat h=1.0f, GLfloat d=1.0f, GLfloat x=0.0f, GLfloat y=0.0f, GLfloat z=0.0f) { int i = 0; set(vertices[i++], float(0.0*w + x), float(0.0*h + y), float(0.0*d + z) ); set(vertices[i++], float(1.0*w + x), float(0.0*h + y), float(0.0*d + z) ); set(vertices[i++], float(1.0*w + x), float(1.0*h + y), float(0.0*d + z) ); set(vertices[i++], float(0.0*w + x), float(1.0*h + y), float(0.0*d + z) ); set(vertices[i++], float(0.0*w + x), float(0.0*h + y), float(-1.0*d + z)); set(vertices[i++], float(1.0*w + x), float(0.0*h + y), float(-1.0*d + z)); set(vertices[i++], float(1.0*w + x), float(1.0*h + y), float(-1.0*d + z)); set(vertices[i ], float(0.0*w + x), float(1.0*h + y), float(-1.0*d + z)); i = 0; set(indices[i++], 0, 1, 2, 3); set(indices[i++], 1, 5, 6, 2); set(indices[i++], 5, 4, 7, 6); set(indices[i++], 4, 0, 3, 7); set(indices[i++], 4, 5, 1, 0); set(indices[i++], 3, 2, 6, 7); surfaces = new OpenGLQuadSurfaces(vertices, CountOf(vertices), indices, CountOf(indices)); normals = surfaces->calculateSurfaceNormals(numNormals); // surfaces->displayNormals(); } virtual GLenum getInterleavedArraysFormat() { return (GLenum)0; //unused } virtual GLenum getPrimitiveType() { return GL_QUADS; } virtual GLfloat* getVertices() { return NULL; // unused } virtual int getVerticesDataSize() { return sizeof(vertices); } virtual int getNumberOfVertices() { return CountOf(vertices); } virtual GLuint* getIndices() { return NULL; //unused } virtual int getIndicesDataSize() { return sizeof(indices); } virtual int getNumberOfIndices() { return CountOf(indices); } virtual void draw(OpenGLGC* gc) { gc->frontFace(GL_CCW); gc->enable(GL_CULL_FACE); gc->cullFace(GL_BACK); glEnable(GL_NORMALIZE); for (int i = 0; i< CountOf(indices); i++) { gc->begin(GL_QUADS); FaceIndices<4> quad = indices[i]; gc->draw( normals[i], vertices[ quad.index[0] ], vertices[ quad.index[1] ], vertices[ quad.index[2] ], vertices[ quad.index[3] ] ); //gc->flush(); gc ->end(); } } }; }