Add first Code
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.gitignore
vendored
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.gitignore
vendored
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# Verzeichnisse
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Mitschriften/
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build
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# Dateien
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*_Mitschrift.tex
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@ -216,3 +217,51 @@ TSWLatexianTemp*
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# expex forward references with \gathertags
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*-tags.tex
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# Cmake
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CMakeCache.txt
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CMakeFiles
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CMakeScripts
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Testing
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Makefile
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cmake_install.cmake
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install_manifest.txt
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compile_commands.json
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CTestTestfile.cmake
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CMakeLists.txt.user
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# C++
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# Prerequisites
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*.d
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# Compiled Object files
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*.slo
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*.lo
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*.o
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*.obj
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# Precompiled Headers
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*.gch
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*.pch
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# Compiled Dynamic libraries
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*.so
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*.dylib
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*.dll
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# Fortran module files
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*.mod
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*.smod
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# Compiled Static libraries
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*.lai
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*.la
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*.a
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*.lib
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# Executables
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*.exe
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*.out
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*.app
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6
Code/.clang-format
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6
Code/.clang-format
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---
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Language: Cpp
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BasedOnStyle: WebKit
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ColumnLimit: 100
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FixNamespaceComments: true
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...
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10
Code/CMakeLists.txt
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10
Code/CMakeLists.txt
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cmake_minimum_required (VERSION 3.8)
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if ( CMAKE_COMPILER_IS_GNUCC )
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
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endif()
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find_package(OpenGL REQUIRED)
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find_package(GLUT REQUIRED)
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add_subdirectory(hello_world)
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Code/hello_world/CMakeLists.txt
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5
Code/hello_world/CMakeLists.txt
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cmake_minimum_required (VERSION 3.8)
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add_executable (hello_world helloWorld.c)
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target_include_directories(hello_world PRIVATE ${OPENGL_INCLUDE_DIRS} ${GLUT_INCLUDE_DIRS} )
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target_link_libraries(hello_world ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} )
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Code/hello_world/helloWorld.c
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Code/hello_world/helloWorld.c
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#include <GL/glut.h>
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#include <string.h>
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int width = 640;
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int height = 480;
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void init(int argc, char** argv)
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{
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glutInit(&argc, argv); // Initialisierung der GLUT Bibliothek
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glutInitDisplayMode(GLUT_SINGLE); // Initialisierung des Single Buffer Modes
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glutInitWindowSize(width, height); // Fenstergröße in Pixel (Breite, Hoehe)
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glutInitWindowPosition(
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100, 100); // Fensterposition in Pixel, ausgehend vom Ursprung des Window Systems
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glViewport(0, 0, width, height);
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glutCreateWindow("Hello world"); // Erstellen des Fensters
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluOrtho2D(0, width, 0, height);
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glMatrixMode(GL_MODELVIEW);
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glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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}
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void display(void)
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{
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const char* myText = "Hello World!";
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int j;
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glClear(GL_COLOR);
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glColor3f(1.0, 0.0, 0.0);
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glBegin(GL_POLYGON);
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glVertex3f((width / 2) - (width / 4), (height / 2) - (height / 4), 0.0);
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glVertex3f((width / 2) + (width / 4), (height / 2) - (height / 4), 0.0);
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glVertex3f((width / 2) + (width / 4), (height / 2) + (height / 4), 0.0);
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glVertex3f((width / 2) - (width / 4), (height / 2) + (height / 4), 0.0);
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glEnd();
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glColor3f(1.0, 1.0, 1.0);
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glRasterPos2i((width / 2) - (width / 4) + 10, (height / 2) - (height / 4) + 10);
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for (j = 0; j < strlen(myText); j++) {
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glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, myText[j]);
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}
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glFlush();
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}
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int main(int argc, char** argv)
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{
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init(argc, argv);
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glutDisplayFunc(display); // Callback-Funktion für das Fenster
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glutMainLoop(); // Abgabe der Kontrolle an GLUT-Bibliothek
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return 0;
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}
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Folien/Vorlesungsfolien_2018_10_10.pdf
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Folien/Vorlesungsfolien_2018_10_10.pdf
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