examples

example-billboard/Makefile

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+# Attempt to load a config.make file.
+# If none is found, project defaults in config.project.make will be used.
+ifneq ($(wildcard config.make),)
+	include config.make
+endif
+
+# make sure the the OF_ROOT location is defined
+ifndef OF_ROOT
+	OF_ROOT=$(realpath ../../..)
+endif
+
+# call the project makefile!
+include $(OF_ROOT)/libs/openFrameworksCompiled/project/makefileCommon/compile.project.mk

example-billboard/addons.make

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+ofxRPI4Window
+ofxAssimpModelLoader
+

example-billboard/bin/data/shadersGL2/Billboard.frag

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+uniform sampler2D tex;
+
+void main (void) {
+	gl_FragColor = texture2D(tex, gl_TexCoord[0].st) * gl_Color;
+}

example-billboard/bin/data/shadersGL2/Billboard.vert

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+
+void main() {
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+	vec4 eyeCoord = gl_ModelViewMatrix * gl_Vertex;
+	gl_Position = gl_ProjectionMatrix * eyeCoord;
+	float dist = sqrt(eyeCoord.x*eyeCoord.x + eyeCoord.y*eyeCoord.y + eyeCoord.z*eyeCoord.z);
+	float att	 = 600.0 / dist;
+
+	gl_PointSize = gl_Normal.x * att;
+	gl_FrontColor = gl_Color;
+}
+
+
+
+
+

example-billboard/bin/data/shadersGL3/Billboard.frag

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+#version 300 es
+precision mediump float;
+
+uniform sampler2D tex;
+
+in vec4 colorVarying;
+
+out vec4 fragColor;
+
+void main (void) {
+	fragColor = texture(tex, gl_PointCoord) * colorVarying;
+}

example-billboard/bin/data/shadersGL3/Billboard.vert

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+#version 300 es
+precision mediump float;
+
+uniform mat4 orientationMatrix;
+uniform mat4 projectionMatrix;
+uniform mat4 modelViewMatrix;
+uniform mat4 textureMatrix;
+uniform mat4 modelViewProjectionMatrix;
+
+in vec4  position;
+in vec4  color;
+in vec3  normal;
+
+out vec4 colorVarying;
+
+void main() {
+	vec4 eyeCoord = modelViewMatrix * position;
+	gl_Position = projectionMatrix * eyeCoord; // to be accurate this should premultiply by orientationMatrix
+
+	float dist = sqrt(eyeCoord.x*eyeCoord.x + eyeCoord.y*eyeCoord.y + eyeCoord.z*eyeCoord.z);
+	float att	 = 600.0 / dist;
+
+	gl_PointSize = normal.x * att;
+	colorVarying = color;
+}
+
+
+
+
+

example-billboard/config.make

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+################################################################################
+# CONFIGURE PROJECT MAKEFILE (optional)
+#   This file is where we make project specific configurations.
+################################################################################
+
+################################################################################
+# OF ROOT
+#   The location of your root openFrameworks installation
+#       (default) OF_ROOT = ../../.. 
+################################################################################
+# OF_ROOT = ../../..
+
+################################################################################
+# PROJECT ROOT
+#   The location of the project - a starting place for searching for files
+#       (default) PROJECT_ROOT = . (this directory)
+#    
+################################################################################
+# PROJECT_ROOT = .
+
+################################################################################
+# PROJECT SPECIFIC CHECKS
+#   This is a project defined section to create internal makefile flags to 
+#   conditionally enable or disable the addition of various features within 
+#   this makefile.  For instance, if you want to make changes based on whether
+#   GTK is installed, one might test that here and create a variable to check. 
+################################################################################
+# None
+
+################################################################################
+# PROJECT EXTERNAL SOURCE PATHS
+#   These are fully qualified paths that are not within the PROJECT_ROOT folder.
+#   Like source folders in the PROJECT_ROOT, these paths are subject to 
+#   exlclusion via the PROJECT_EXLCUSIONS list.
+#
+#     (default) PROJECT_EXTERNAL_SOURCE_PATHS = (blank) 
+#
+#   Note: Leave a leading space when adding list items with the += operator
+################################################################################
+# PROJECT_EXTERNAL_SOURCE_PATHS = 
+
+################################################################################
+# PROJECT EXCLUSIONS
+#   These makefiles assume that all folders in your current project directory 
+#   and any listed in the PROJECT_EXTERNAL_SOURCH_PATHS are are valid locations
+#   to look for source code. The any folders or files that match any of the 
+#   items in the PROJECT_EXCLUSIONS list below will be ignored.
+#
+#   Each item in the PROJECT_EXCLUSIONS list will be treated as a complete 
+#   string unless teh user adds a wildcard (%) operator to match subdirectories.
+#   GNU make only allows one wildcard for matching.  The second wildcard (%) is
+#   treated literally.
+#
+#      (default) PROJECT_EXCLUSIONS = (blank)
+#
+#		Will automatically exclude the following:
+#
+#			$(PROJECT_ROOT)/bin%
+#			$(PROJECT_ROOT)/obj%
+#			$(PROJECT_ROOT)/%.xcodeproj
+#
+#   Note: Leave a leading space when adding list items with the += operator
+################################################################################
+# PROJECT_EXCLUSIONS =
+
+################################################################################
+# PROJECT LINKER FLAGS
+#	These flags will be sent to the linker when compiling the executable.
+#
+#		(default) PROJECT_LDFLAGS = -Wl,-rpath=./libs
+#
+#   Note: Leave a leading space when adding list items with the += operator
+#
+# Currently, shared libraries that are needed are copied to the 
+# $(PROJECT_ROOT)/bin/libs directory.  The following LDFLAGS tell the linker to
+# add a runtime path to search for those shared libraries, since they aren't 
+# incorporated directly into the final executable application binary.
+################################################################################
+#PROJECT_LDFLAGS=-lEGL_mesa
+
+################################################################################
+# PROJECT DEFINES
+#   Create a space-delimited list of DEFINES. The list will be converted into 
+#   CFLAGS with the "-D" flag later in the makefile.
+#
+#		(default) PROJECT_DEFINES = (blank)
+#
+#   Note: Leave a leading space when adding list items with the += operator
+################################################################################
+#PROJECT_DEFINES = 
+
+
+################################################################################
+# PROJECT CFLAGS
+#   This is a list of fully qualified CFLAGS required when compiling for this 
+#   project.  These CFLAGS will be used IN ADDITION TO the PLATFORM_CFLAGS 
+#   defined in your platform specific core configuration files. These flags are
+#   presented to the compiler BEFORE the PROJECT_OPTIMIZATION_CFLAGS below. 
+#
+#		(default) PROJECT_CFLAGS = (blank)
+#
+#   Note: Before adding PROJECT_CFLAGS, note that the PLATFORM_CFLAGS defined in 
+#   your platform specific configuration file will be applied by default and 
+#   further flags here may not be needed.
+#
+#   Note: Leave a leading space when adding list items with the += operator
+################################################################################
+# PROJECT_CFLAGS = 
+
+################################################################################
+# PROJECT OPTIMIZATION CFLAGS
+#   These are lists of CFLAGS that are target-specific.  While any flags could 
+#   be conditionally added, they are usually limited to optimization flags. 
+#   These flags are added BEFORE the PROJECT_CFLAGS.
+#
+#   PROJECT_OPTIMIZATION_CFLAGS_RELEASE flags are only applied to RELEASE targets.
+#
+#		(default) PROJECT_OPTIMIZATION_CFLAGS_RELEASE = (blank)
+#
+#   PROJECT_OPTIMIZATION_CFLAGS_DEBUG flags are only applied to DEBUG targets.
+#
+#		(default) PROJECT_OPTIMIZATION_CFLAGS_DEBUG = (blank)
+#
+#   Note: Before adding PROJECT_OPTIMIZATION_CFLAGS, please note that the 
+#   PLATFORM_OPTIMIZATION_CFLAGS defined in your platform specific configuration 
+#   file will be applied by default and further optimization flags here may not 
+#   be needed.
+#
+#   Note: Leave a leading space when adding list items with the += operator
+################################################################################
+# PROJECT_OPTIMIZATION_CFLAGS_RELEASE = 
+# PROJECT_OPTIMIZATION_CFLAGS_DEBUG = 
+
+################################################################################
+# PROJECT COMPILERS
+#   Custom compilers can be set for CC and CXX
+#		(default) PROJECT_CXX = (blank)
+#		(default) PROJECT_CC = (blank)
+#   Note: Leave a leading space when adding list items with the += operator
+################################################################################
+# PROJECT_CXX = 
+# PROJECT_CC = 

example-billboard/src/main.cpp

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+#include "ofMain.h"
+#include "ofApp.h"
+#include "ofxRPI4Window.h"
+
+//========================================================================
+int main( ){
+
+    ofSetLogLevel(OF_LOG_VERBOSE);
+
+    ofGLESWindowSettings settings;
+    settings.setSize(1280, 720);
+    settings.setGLESVersion(2);
+    auto window = std::make_shared<ofxRPI4Window>(settings);
+
+    auto app = std::make_shared<ofApp>();
+    ofRunApp(window, app);
+    ofRunMainLoop();
+}