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wiki2:cpp:libraries:openframeworks
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| Ambos lados, revisión anterior Revisión previa Próxima revisión | Revisión previa | ||
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wiki2:cpp:libraries:openframeworks [2015/08/04 19:23] alfred [Notes] |
wiki2:cpp:libraries:openframeworks [2020/05/09 09:25] (actual) |
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| Línea 6: | Línea 6: | ||
| - | Import the generated project as "Existing code as makefile project". You only need to add OpenFrameworks and Addons projects as references in your new project. | + | Import the generated project as "Existing code as makefile project". You only need to add OpenFrameworks and Addons projects as references in your new project (do not forget to select "Linux GCC"). |
| ==== Notes ==== | ==== Notes ==== | ||
| * **To add an addon after having created the project** you just need to include its name in the ''addons.make'' file. | * **To add an addon after having created the project** you just need to include its name in the ''addons.make'' file. | ||
| + | * To compile with **C++11** you need to go to ''libs/openFrameworksCompiled/project/makefileCommon'' path and edit the main makefile which is ''compile.project.mk''. You need to search for the rule that does the compilation and add: ''-std=c++0x''. | ||
| + | <code cpp> | ||
| + | $(OF_PROJECT_OBJ_OUPUT_PATH)%.o: $(PROJECT_ROOT)/%.cpp | ||
| + | @echo "Compiling" $< | ||
| + | @mkdir -p $(@D) | ||
| + | $(CXX) -c $(OPTIMIZATION_CFLAGS) $(CFLAGS) $(CXXFLAGS) -std=c++0x -MMD -MP -MF $(OF_PROJECT_OBJ_OUPUT_PATH)$*.d -MT $(OF_PROJECT_OBJ_OUPUT_PATH)$*.o -o $@ -c $< | ||
| + | </code> | ||
| + | * Muy probablemente quieras usar otras libs, las tendrías que añadir también en el makefile: | ||
| + | <code cpp> | ||
| + | $(TARGET): $(OF_PROJECT_OBJS) $(OF_PROJECT_ADDONS_OBJS) $(OF_PROJECT_LIBS) $(TARGET_LIBS) | ||
| + | @echo 'Linking $(TARGET) for $(ABI_LIB_SUBPATH)' | ||
| + | @mkdir -p $(@D) | ||
| + | $(CXX) -o $@ $(OF_PROJECT_OBJS) $(OF_PROJECT_ADDONS_OBJS) $(TARGET_LIBS) $(OF_PROJECT_LIBS) $(LDFLAGS) $(OF_CORE_LIBS) -lboost_system -lboost_timer -lboost_thread | ||
| + | </code> | ||
| + | ===== Useful data ===== | ||
| + | ==== Obtain information ==== | ||
| + | |||
| + | * Ventana | ||
| + | * ofGetWidth(), ofGetHeight() | ||
| + | * Programa | ||
| + | * ofGetElapsedTimef(), ofGetElapsedTimeMicros(), ofGetElapsedTimeMillis() | ||
| + | |||
| + | ==== Useful constants ==== | ||
| + | |||
| + | * TWO_PI | ||
| + | * DEG_TO_RAD (any number we multiply by DEG_TO_RAD will be converted to radians) | ||
| + | ===== Graphics ===== | ||
| + | |||
| + | * [[wiki2:cpp:libraries:openframeworks:creating_graphics|Creating Graphics]] | ||
| ===== Addons ===== | ===== Addons ===== | ||
| Línea 17: | Línea 45: | ||
| Crear un listener de UDP: | Crear un listener de UDP: | ||
| <code cpp> | <code cpp> | ||
| + | #include "ofxNetwork.h" | ||
| + | |||
| ofxUDPManager udpConnection; | ofxUDPManager udpConnection; | ||
| Línea 31: | Línea 61: | ||
| * https://github.com/jefftimesten/ofxJSON | * https://github.com/jefftimesten/ofxJSON | ||
| <code cpp> | <code cpp> | ||
| + | #include "ofxJSON.h" | ||
| + | ... | ||
| ofxJSONElement result; | ofxJSONElement result; | ||
| std::string url = "http://127.0.0.1:5000/sketch/1"; | std::string url = "http://127.0.0.1:5000/sketch/1"; | ||
| Línea 56: | Línea 88: | ||
| </code> | </code> | ||
| - | ===== Snippets ===== | + | ==== Addons Repository ==== |
| - | * Create image from code (color picker) | + | * http://www.ofxaddons.com/categories |
| - | <code cpp> | + | ===== Snippets ===== |
| - | float w = ofGetWidth(); | + | |
| - | float h = ofGetHeight(); | + | |
| - | float cx = w/2; | + | |
| - | float cy = h/2; | + | |
| - | + | ||
| - | img.allocate(w,h,OF_IMAGE_COLOR); | + | |
| - | + | ||
| - | for (float y=0; y<h; y++) { | + | |
| - | for (float x=0; x<w; x++) { | + | |
| - | + | ||
| - | float angle = atan2(y-cy,x-cy)+PI; | + | |
| - | float dist = ofDist(x,y,cx,cy); | + | |
| - | float hue = angle/TWO_PI*255; | + | |
| - | float sat = ofMap(dist,0,w/4,0,255,true); | + | |
| - | float bri = ofMap(dist,w/4,w/2,255,0,true); | + | |
| - | + | ||
| - | img.setColor(x,y,ofColor::fromHsb(hue,sat,bri)); | + | |
| - | } | + | |
| - | } | + | |
| - | + | ||
| - | img.reloadTexture(); | + | |
| - | </code> | + | |
| + | * [[wiki2:cpp:libraries:openframeworks:snippets|OpenFrameworks Snippets]] | ||
wiki2/cpp/libraries/openframeworks.1438716211.txt.gz · Última modificación: 2020/05/09 09:25 (editor externo)
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