VS Uextrude

CloudsData/visualsystems/Uextrude/shaders/meshExtrude.frag

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+//these are our texture names, set in openFrameworks on the shader object in set up
+uniform sampler2DRect image;
+void main (void)
+{
+	//use the color from the image, but use the r channel of the mask as the alpha channel of our output
+	gl_FragData[0] = texture2DRect(image, gl_TexCoord[0].st);
+
+}

CloudsData/visualsystems/Uextrude/shaders/meshExtrude.vert

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+uniform sampler2DRect image;
+uniform float extrusionAmount;
+
+//RGB to brightness needs to be weighted based on our percpetion of value and color.
+//Green informs most of what we see as the 'value' of a color, while blue very little
+float sampleBrightness(vec3 color){
+	vec3 grayWeight = vec3(0.3, 0.59, 0.11);
+	return dot(grayWeight, color);
+}
+
+void main(void)
+{
+	//passes the texture coordinates along to the fragment shader
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+
+	//samples the texture at the vertex location to get a color
+	float brightness = sampleBrightness( texture2DRect(image, gl_TexCoord[0].st).rgb );
+
+	//create a new vertex that is the default vertex, plus move the Z along with the brightness
+	vec4 extrudedVertex = vec4(gl_Vertex.x,
+							   gl_Vertex.y,
+							   gl_Vertex.z + brightness * extrusionAmount,
+							   gl_Vertex.w);
+
+	//position equation that is the same as ftransform() but takes into account our modified vertex
+	gl_Position = gl_ModelViewProjectionMatrix * extrudedVertex;
+}

CloudsLibrary/src/VisualSystems/Uextrude/vs_src/CloudsVisualSystemUextrude.cpp

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+//
+//  CloudsVisualSystemUextrude.cpp
+//
+
+#include "CloudsVisualSystemUextrude.h"
+#include "CloudsRGBDVideoPlayer.h"
+
+//#include "CloudsRGBDVideoPlayer.h"
+//#ifdef AVF_PLAYER
+//#include "ofxAVFVideoPlayer.h"
+//#endif
+
+//These methods let us add custom GUI parameters and respond to their events
+void CloudsVisualSystemUextrude::selfSetupGui(){
+
+
+}
+
+void CloudsVisualSystemUextrude::selfGuiEvent(ofxUIEventArgs &e){
+	if(e.widget->getName() == "Custom Button"){
+		cout << "Button pressed!" << endl;
+	}
+}
+
+//Use system gui for global or logical settings, for exmpl
+void CloudsVisualSystemUextrude::selfSetupSystemGui(){
+
+}
+
+void CloudsVisualSystemUextrude::guiSystemEvent(ofxUIEventArgs &e){
+
+}
+//use render gui for display settings, like changing colors
+void CloudsVisualSystemUextrude::selfSetupRenderGui(){
+
+}
+
+void CloudsVisualSystemUextrude::guiRenderEvent(ofxUIEventArgs &e){
+
+}
+
+// selfSetup is called when the visual system is first instantiated
+// This will be called during a "loading" screen, so any big images or
+// geometry should be loaded here
+void CloudsVisualSystemUextrude::selfSetup(){
+
+
+    //load(getVisualSystemDataPath()+"shaders/city");
+
+    //someImage.loadImage( getVisualSystemDataPath() + "images/someImage.png";
+
+    glEnable(GL_DEPTH_TEST);
+
+	ofSetVerticalSync(true);
+	ofSetFrameRate(60);
+
+	//initialize the video grabber
+	vidGrabber.initGrabber(640,480);
+
+	//this determines how much we push the meshes out
+	extrusionAmount = 500.0;
+
+	//store the width and height for convenience
+	int width = vidGrabber.getWidth();
+	int height = vidGrabber.getHeight();
+
+	//taken right from the MeshDistort example
+	//except we add texture coords now
+	for (int y = 0; y < height; y++){
+		for (int x = 0; x<width; x++){
+			mainMesh.addVertex(ofPoint(x,y,0));	// mesh index = x + y*width
+			mainMesh.addTexCoord(ofVec2f(x,y)); // lock each vertex to the right texture coordinate
+		}
+	}
+
+	for (int y = 0; y<height-1; y++){
+		for (int x=0; x<width-1; x++){
+			mainMesh.addIndex(x+y*width);				// 0
+			mainMesh.addIndex((x+1)+y*width);			// 1
+			mainMesh.addIndex(x+(y+1)*width);			// 10
+
+			mainMesh.addIndex((x+1)+y*width);			// 1
+			mainMesh.addIndex((x+1)+(y+1)*width);		// 11
+			mainMesh.addIndex(x+(y+1)*width);			// 10
+		}
+	}
+
+	extrudeShader.load(getVisualSystemDataPath() + "shaders/meshExtrude");
+
+
+}
+
+// selfPresetLoaded is called whenever a new preset is triggered
+// it'll be called right before selfBegin() and you may wish to
+// refresh anything that a preset may offset, such as stored colors or particles
+void CloudsVisualSystemUextrude::selfPresetLoaded(string presetPath){
+
+}
+
+// selfBegin is called when the system is ready to be shown
+// this is a good time to prepare for transitions
+// but try to keep it light weight as to not cause stuttering
+void CloudsVisualSystemUextrude::selfBegin(){
+
+}
+
+//do things like ofRotate/ofTranslate here
+//any type of transformation that doesn't have to do with the camera
+void CloudsVisualSystemUextrude::selfSceneTransformation(){
+
+}
+
+//normal update call
+void CloudsVisualSystemUextrude::selfUpdate(){
+
+    vidGrabber.update();
+
+}
+
+// selfDraw draws in 3D using the default ofEasyCamera
+// you can change the camera by returning getCameraRef()
+void CloudsVisualSystemUextrude::selfDraw(){
+
+    extrudeShader.begin();
+	extrudeShader.setUniformTexture("image", vidGrabber, 0);
+	extrudeShader.setUniform1f("extrusionAmount", extrusionAmount);
+
+	ofPushMatrix();
+	ofTranslate(ofGetWidth()/2- vidGrabber.getWidth()/2,
+				ofGetHeight()/2-vidGrabber.getHeight()/2);
+
+	mainMesh.drawFaces();
+
+	ofPopMatrix();
+
+	extrudeShader.end();
+
+
+}
+
+// draw any debug stuff here
+void CloudsVisualSystemUextrude::selfDrawDebug(){
+
+}
+// or you can use selfDrawBackground to do 2D drawings that don't use the 3D camera
+void CloudsVisualSystemUextrude::selfDrawBackground(){
+
+	//turn the background refresh off
+	//bClearBackground = false;
+
+}
+// this is called when your system is no longer drawing.
+// Right after this selfUpdate() and selfDraw() won't be called any more
+void CloudsVisualSystemUextrude::selfEnd(){
+
+
+
+}
+// this is called when you should clear all the memory and delet anything you made in setup
+void CloudsVisualSystemUextrude::selfExit(){
+
+}
+
+//events are called when the system is active
+//Feel free to make things interactive for you, and for the user!
+void CloudsVisualSystemUextrude::selfKeyPressed(int key){
+
+    if(key == 'R'){
+		extrudeShader.load("meshExtrude");
+	}
+
+}
+void CloudsVisualSystemUextrude::selfKeyReleased(ofKeyEventArgs & args){
+
+}
+
+void CloudsVisualSystemUextrude::selfMouseDragged(ofMouseEventArgs& data){
+
+}
+
+void CloudsVisualSystemUextrude::selfMouseMoved(ofMouseEventArgs& data){
+
+}
+
+void CloudsVisualSystemUextrude::selfMousePressed(ofMouseEventArgs& data){
+
+}
+
+void CloudsVisualSystemUextrude::selfMouseReleased(ofMouseEventArgs& data){
+
+}

CloudsLibrary/src/VisualSystems/Uextrude/vs_src/CloudsVisualSystemUextrude.h

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+//
+// CLOUDS Interactive Documentary
+//
+// VISUAL SYSTEMS
+//
+// Welcome to the Uextrude CloudsVisualSystem
+//
+//
+//
+
+#pragma once
+
+#include "CloudsVisualSystem.h"
+
+//TODO: rename this to your own visual system
+class CloudsVisualSystemUextrude : public CloudsVisualSystem {
+  public:
+
+	//TODO: Change this to the name of your visual system
+	//This determines your data path so name it at first!
+	//ie getVisualSystemDataPath() uses this
+    string getSystemName(){
+		return "Uextrude";
+	}
+
+	//These methods let us add custom GUI parameters and respond to their events
+    void selfSetupGui();
+    void selfGuiEvent(ofxUIEventArgs &e);
+
+	//Use system gui for global or logical settings, for exmpl
+    void selfSetupSystemGui();
+    void guiSystemEvent(ofxUIEventArgs &e);
+
+	//use render gui for display settings, like changing colors
+    void selfSetupRenderGui();
+    void guiRenderEvent(ofxUIEventArgs &e);
+
+	// selfSetup is called when the visual system is first instantiated
+	// This will be called during a "loading" screen, so any big images or
+	// geometry should be loaded here
+    void selfSetup();
+
+	// selfBegin is called when the system is ready to be shown
+	// this is a good time to prepare for transitions
+	// but try to keep it light weight as to not cause stuttering
+    void selfBegin();
+
+	// selfPresetLoaded is called whenever a new preset is triggered
+	// it'll be called right before selfBegin() and you may wish to
+	// refresh anything that a preset may offset, such as stored colors or particles
+	void selfPresetLoaded(string presetPath);
+
+	//do things like ofRotate/ofTranslate here
+	//any type of transformation that doesn't have to do with the camera
+    void selfSceneTransformation();
+
+	//normal update call
+	void selfUpdate();
+
+	// selfDraw draws in 3D using the default ofEasyCamera
+	// you can change the camera by returning getCameraRef()
+    void selfDraw();
+
+    // draw any debug stuff here
+	void selfDrawDebug();
+
+	// or you can use selfDrawBackground to do 2D drawings that don't use the 3D camera
+	void selfDrawBackground();
+
+	// this is called when your system is no longer drawing.
+	// Right after this selfUpdate() and selfDraw() won't be called any more
+	void selfEnd();
+
+	// this is called when you should clear all the memory and delet anything you made in setup
+    void selfExit();
+
+	//events are called when the system is active
+	//Feel free to make things interactive for you, and for the user!
+    void selfKeyPressed(int key);
+    void selfKeyReleased(ofKeyEventArgs & args);
+
+    void selfMouseDragged(ofMouseEventArgs& data);
+    void selfMouseMoved(ofMouseEventArgs& data);
+    void selfMousePressed(ofMouseEventArgs& data);
+    void selfMouseReleased(ofMouseEventArgs& data);
+
+
+    // if you use a custom camera to fly through the scene
+	// you must implement this method for the transitions to work properly
+//	ofCamera& getCameraRef(){
+//		return myCustomCamera;
+//	}
+
+	//
+
+	float extrusionAmount;
+	ofVboMesh mainMesh;
+	ofVideoGrabber vidGrabber;
+	ofShader extrudeShader;
+
+protected:
+};

VSUextrude/Project.xcconfig

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+//THE PATH TO THE ROOT OF OUR OF PATH RELATIVE TO THIS PROJECT.
+//THIS NEEDS TO BE DEFINED BEFORE CoreOF.xcconfig IS INCLUDED
+OF_PATH = ../../..
+
+//THIS HAS ALL THE HEADER AND LIBS FOR OF CORE
+#include "../../../libs/openFrameworksCompiled/project/osx/CoreOF.xcconfig"
+
+OTHER_LDFLAGS = $(OF_CORE_LIBS) 
+HEADER_SEARCH_PATHS = $(OF_CORE_HEADERS)

VSUextrude/Uextrude copy-Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.yourcompany.openFrameworks</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+</dict>
+</plist>