Add MarchingCubes and MotionVisualization example

marching-cubes/.gitignore

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+.svn
+.hg
+.cvs
+
+# osx
+*.app
+*.mode1v3
+*.pbxuser
+.DS_Store
+build
+xcuserdata
+DerivedData
+

marching-cubes/LICENSE

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+Copyright (c) 2012 Atsushi Tadokoro (http://yoppa.org/)
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

marching-cubes/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)

marching-cubes/README.md

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+## Author
+
+[Atsushi Tadokoro](http://yoppa.org/)
+
+## Dependencies
+
+* [ofxMarchingCubes](http://code.google.com/p/ruicode/downloads/detail?name=ofxMarchingCubes%20002.zip&can=2&q=)
+* [ofxSTL](http://code.google.com/p/ruicode/downloads/detail?name=ofxSTL%20001.zip&can=2&q=)

marching-cubes/bin/data/.gitignore

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+# Ignore everything in here apart from the .gitignore file
+*
+!.gitignore

marching-cubes/openFrameworks-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>

marching-cubes/src/MetaBall.h

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+#pragma once
+
+#include "ofMain.h"
+#include "ofxMarchingCubes.h"
+
+class MetaBall: public ofPoint{
+public:
+	ofPoint accel, vel;
+	float size;
+	MetaBall(){
+		size = ofRandom(5, 10);
+	}
+
+	void init(const ofPoint& _pos){
+		x = _pos.x;
+		y = _pos.y;
+	}
+
+	void goTo(const ofPoint& target, float k = 0.1f, float damp = 0.9f){
+		accel = (target - *this)*k;
+		vel += accel;
+		vel *= damp;
+		*this += vel;
+	}
+
+	void update(const ofPoint& _force, float damp = 0.9f){
+		vel += _force;
+		vel *= damp;
+		*this += vel;
+	}
+};
+

marching-cubes/src/main.cpp

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+#include "ofMain.h"
+#include "testApp.h"
+#include "ofAppGlutWindow.h"
+
+//========================================================================
+int main( ){
+
+    ofAppGlutWindow window;
+	ofSetupOpenGL(&window, 1280,720, OF_WINDOW);			// <-------- setup the GL context
+
+	// this kicks off the running of my app
+	// can be OF_WINDOW or OF_FULLSCREEN
+	// pass in width and height too:
+	ofRunApp( new testApp());
+
+}

marching-cubes/src/testApp.cpp

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+#include "testApp.h"
+
+float startTime = 0.02;
+
+//--------------------------------------------------------------
+void testApp::setup() {
+	ofSetFrameRate(60);
+	ofSetVerticalSync(true);
+
+	rotate = 0;
+
+	bvh[0].load("bvhfiles/kashiyuka.bvh");
+	bvh[1].load("bvhfiles/nocchi.bvh");
+	bvh[2].load("bvhfiles/aachan.bvh");
+
+	for (int i = 0; i < 3; i++)	{
+		bvh[i].play();
+	}
+
+	track.loadSound("Perfume_globalsite_sound.wav");
+	track.play();
+	track.setLoop(true);
+
+	camera.setFov(30);
+	camera.setDistance(700);
+
+	// MarchingCube init
+	ofPoint iniPos(0,0,0);
+	ofPoint gridSize(550, 550, 550);
+	int gridResX = 60;
+	int gridResY = 60;
+	int gridResZ = 60;
+	marchingCubes.init(iniPos, gridSize, gridResX, gridResY, gridResZ);	
+
+	// Metaball init
+	int metaballNum = bvh[0].getNumJoints() + bvh[1].getNumJoints() + bvh[2].getNumJoints();
+	metaBalls.resize(metaballNum);
+
+	int n = 0;
+	for (int i = 0; i < 3; i++){
+		for (int j = 0; j < bvh[i].getNumJoints(); j++) {
+			const ofxBvhJoint *o = bvh[i].getJoint(j);
+			if (o->isSite()) {
+				metaBalls[n].init(o->getPosition());
+				metaBalls[n].size = 1.4;
+			}
+			n++;
+		}
+	}
+
+	light.enable();
+	light.setAmbientColor(ofFloatColor(0.1, 0.3, 0.8, 1.0));
+	light.setDiffuseColor(ofFloatColor(0.7, 0.7, 0.7));
+	light.setSpecularColor(ofFloatColor(1.0, 0.5, 0.0));
+}
+
+//--------------------------------------------------------------
+void testApp::update(){
+	float t = (track.getPosition() * 64.28);
+	t = t / bvh[0].getDuration();
+
+	for (int i = 0; i < 3; i++)	{
+		bvh[i].setPosition(t);
+		bvh[i].update();
+	}
+
+	marchingCubes.resetIsoValues();
+
+	int n = 0;
+	for (int i = 0; i < 3; i++){
+		for (int j = 0; j < bvh[i].getNumJoints(); j++) {
+			const ofxBvhJoint *o = bvh[i].getJoint(j);
+			if (o->isSite()) {
+				if (t > startTime) {
+					metaBalls[n].goTo(o->getPosition(), 0.3, 0.94);
+					marchingCubes.addMetaBall(metaBalls[n], metaBalls[n].size);
+				} else {
+					metaBalls[n].goTo(o->getPosition(), 1.0, 0.1);
+				}
+			}
+			n++;
+		}
+	}
+
+	marchingCubes.update(0.17, true);
+}
+
+//--------------------------------------------------------------
+void testApp::draw(){
+	ofBackgroundHex(0x222222);
+
+	camera.begin();
+	ofPushMatrix();
+	{
+		ofTranslate(0, -80);
+		ofRotate(5, 1, 0, 0);
+		ofScale(1, 1, 1);
+
+		// draw MarchingCubes
+		vector<ofPoint>& vertices = marchingCubes.getVertices();
+		vector<ofPoint>& normals = marchingCubes.getNormals();
+		int numVertices = vertices.size();
+
+		glEnable(GL_DEPTH_TEST);
+		glColor3f(1.0f, 1.0f, 1.0f);
+		glBegin(GL_TRIANGLES);
+
+		for(int i=0; i<numVertices; i++){
+			glNormal3f(normals[i].x, normals[i].y, normals[i].z);
+			glVertex3f(vertices[i].x, vertices[i].y, vertices[i].z);
+		}
+
+		glEnd();
+		glDisable(GL_DEPTH_TEST);
+
+	}
+
+	ofPopMatrix();
+	camera.end();
+
+}
+
+void testApp::exit(){
+
+}
+
+//--------------------------------------------------------------
+void testApp::keyPressed(int key){
+	if (key == 'f') {
+		ofToggleFullscreen();
+	}
+}
+
+//--------------------------------------------------------------
+void testApp::keyReleased(int key){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mouseMoved(int x, int y ){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mouseDragged(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mousePressed(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mouseReleased(int x, int y, int button){
+}
+
+//--------------------------------------------------------------
+void testApp::windowResized(int w, int h){
+}
+
+//--------------------------------------------------------------
+void testApp::gotMessage(ofMessage msg){
+
+}
+
+//--------------------------------------------------------------
+void testApp::dragEvent(ofDragInfo dragInfo){ 
+}

marching-cubes/src/testApp.h

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+#pragma once
+
+#include "ofMain.h"
+
+#include "ofxBvh.h"
+#include "ofxSTL.h"
+#include "ofxMarchingCubes.h"
+#include "MetaBall.h"
+
+class testApp : public ofBaseApp{
+
+  public:
+	void setup();
+	void update();
+	void draw();
+	void exit();
+
+	void keyPressed  (int key);
+	void keyReleased(int key);
+	void mouseMoved(int x, int y );
+	void mouseDragged(int x, int y, int button);
+	void mousePressed(int x, int y, int button);
+	void mouseReleased(int x, int y, int button);
+	void windowResized(int w, int h);
+	void dragEvent(ofDragInfo dragInfo);
+	void gotMessage(ofMessage msg);
+
+	ofSoundPlayer track;
+	ofxBvh bvh[3];
+
+	float rotate;
+	float play_rate, play_rate_t;
+
+	ofEasyCam camera;
+	ofImage background;
+
+	ofxMarchingCubes marchingCubes;
+	vector<MetaBall> metaBalls;
+
+	float threshold;
+	ofLight light;
+};

motion-visualization/.gitignore

@@ -0,0 +1,13 @@
+.svn
+.hg
+.cvs
+
+# osx
+*.app
+*.mode1v3
+*.pbxuser
+.DS_Store
+build
+xcuserdata
+DerivedData
+

motion-visualization/LICENSE

@@ -0,0 +1,20 @@
+Copyright (c) 2012 Atsushi Tadokoro (http://yoppa.org/)
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.