openframeworks – ページ 441 – プログラミング de 落描き

2019年12月28日2019年12月28日

Visualize velocity from LeapMotion. openFrameworks

[ Video ]

[ About ]
LeapMotionで取得した手の移動速度で可視化。

Visualize velocity from LeapMotion.

[ Source ]

#pragma once
#include "ofMain.h"

// Leap Motion SDK
#include "Leap.h"
#pragma comment(lib, "Leap.lib")

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	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 mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	// Leap Motion
	Leap::Controller leap;
	ofEasyCam cam;
	vector<glm::vec3> location_list;
	vector<glm::vec3> velocity_list;
};

#pragma once

#include "ofMain.h"

// Leap Motion SDK

#include "Leap.h"

#pragma comment(lib, "Leap.lib")

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

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 mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

// Leap Motion

Leap::Controller leap;

ofEasyCam cam;

vector<glm::vec3> location_list;

vector<glm::vec3> velocity_list;

};

#include "ofApp.h"	

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

//--------------------------------------------------------------
void ofApp::update() {

	Leap::Frame frame = this->leap.frame();
	for (Leap::Hand hand : frame.hands()) {

		auto velocity = glm::vec3(hand.palmVelocity().x * -1, hand.palmVelocity().y * -1, hand.palmVelocity().z);
		auto location = glm::vec3(
				ofMap(hand.palmPosition().x, -300, 300, -ofGetWidth() * 0.5, ofGetWidth() * 0.5),
				ofMap(hand.palmPosition().y, 0, 300, -ofGetHeight() * 0.5, ofGetHeight() * 0.5),
				hand.palmPosition().z);

		auto future = location + velocity * 100;
		auto random_deg_1 = ofRandom(360);
		auto random_deg_2 = ofRandom(360);
		future += glm::vec3(
			100 * cos(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),
			100 * sin(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),
			100 * cos(random_deg_2 * DEG_TO_RAD)
		);
		auto future_distance = future - location;

		this->location_list.push_back(location);
		this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(velocity * 0.05));
	}

	for (int i = this->location_list.size() - 1; i > -1; i--) {

		this->location_list[i] += this->velocity_list[i];
		this->velocity_list[i] *= 1.01;

		if (glm::length(this->location_list[i]) > 720) {

			this->location_list.erase(this->location_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();

	for (auto& location : this->location_list) {

		ofDrawSphere(location, 5);
		for (auto& other : this->location_list) {

			if (location == other) continue;

			if (glm::distance(location, other) < 100) {

				ofDrawLine(location, other);
			}
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(3);

ofEnableDepthTest();

}

//--------------------------------------------------------------

void ofApp::update() {

Leap::Frame frame = this->leap.frame();

for (Leap::Hand hand : frame.hands()) {

auto velocity = glm::vec3(hand.palmVelocity().x * -1, hand.palmVelocity().y * -1, hand.palmVelocity().z);

auto location = glm::vec3(

ofMap(hand.palmPosition().x, -300, 300, -ofGetWidth() * 0.5, ofGetWidth() * 0.5),

ofMap(hand.palmPosition().y, 0, 300, -ofGetHeight() * 0.5, ofGetHeight() * 0.5),

hand.palmPosition().z);

auto future = location + velocity * 100;

auto random_deg_1 = ofRandom(360);

auto random_deg_2 = ofRandom(360);

future += glm::vec3(

100 * cos(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),

100 * sin(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),

100 * cos(random_deg_2 * DEG_TO_RAD)

);

auto future_distance = future - location;

this->location_list.push_back(location);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(velocity * 0.05));

}

for (int i = this->location_list.size() - 1; i > -1; i--) {

this->location_list[i] += this->velocity_list[i];

this->velocity_list[i] *= 1.01;

if (glm::length(this->location_list[i]) > 720) {

this->location_list.erase(this->location_list.begin() + i);

this->velocity_list.erase(this->velocity_list.begin() + i);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

for (auto& location : this->location_list) {

ofDrawSphere(location, 5);

for (auto& other : this->location_list) {

if (location == other) continue;

if (glm::distance(location, other) < 100) {

ofDrawLine(location, other);

}

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191228

2019年12月27日2019年12月27日

Movement logs. openFrameworks

[ Video ]

[ About ]
移動を大袈裟めに可視化。

Movement logs.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	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) {};

	ofEasyCam cam;

	vector<glm::vec3> noise_seed_list;
	vector<glm::vec3> location_list;
	vector<float> life_list;

	ofMesh draw_mesh;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

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) {};

ofEasyCam cam;

vector<glm::vec3> noise_seed_list;

vector<glm::vec3> location_list;

vector<float> life_list;

ofMesh draw_mesh;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);

	for (int i = 0; i < 5; i++) {

		this->noise_seed_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));
	}

	this->draw_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

//--------------------------------------------------------------
void ofApp::update() {

	this->draw_mesh.clear();

	for (auto& noise_seed : this->noise_seed_list) {

		auto location = glm::vec3(
			ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.003), 0, 1, -300, 300),
			ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.003), 0, 1, -300, 300),
			ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.003), 0, 1, -300, 300)
		);

		auto next = glm::vec3(
			ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.003), 0, 1, -300, 300),
			ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.003), 0, 1, -300, 300),
			ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + 1) * 0.003), 0, 1, -300, 300)
		);
		auto distance = location - next;
		distance *= 2;

		auto future = location + distance * 30;
		auto random_deg_1 = ofRandom(360);
		auto random_deg_2 = ofRandom(360);
		future += glm::vec3(
			30 * cos(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),
			30 * sin(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),
			30 * cos(random_deg_2 * DEG_TO_RAD)
		);

		auto future_distance = future - location;

		this->location_list.push_back(location + glm::normalize(future_distance) * 200);
		this->life_list.push_back(255);
	}

	for (int i = this->location_list.size() - 1; i > -1; i--) {

		this->life_list[i] -= 1.f;
		if (this->life_list[i] < 0) {

			this->location_list.erase(this->location_list.begin() + i);
			this->life_list.erase(this->life_list.begin() + i);

			continue;
		}

		this->draw_mesh.addVertex(this->location_list[i]);
		this->draw_mesh.addColor(ofColor(32, this->life_list[i]));
	}

	for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

		for (int k = i + 1; k < this->draw_mesh.getNumVertices(); k++) {

			if (glm::distance(this->draw_mesh.getVertex(i), this->draw_mesh.getVertex(k)) < 50) {

				this->draw_mesh.addIndex(i);
				this->draw_mesh.addIndex(k);
			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.25);
	ofRotateX(ofGetFrameNum() * 0.5);	

	this->draw_mesh.drawWireframe();

	for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

		ofSetColor(ofColor(39, this->life_list[i]));
		ofDrawSphere(this->location_list[i], 5);
	}

	this->cam.end();
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

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#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

for (int i = 0; i < 5; i++) {

this->noise_seed_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));

}

this->draw_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

//--------------------------------------------------------------

void ofApp::update() {

this->draw_mesh.clear();

for (auto& noise_seed : this->noise_seed_list) {

auto location = glm::vec3(

ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.003), 0, 1, -300, 300),

ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.003), 0, 1, -300, 300),

ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.003), 0, 1, -300, 300)

);

auto next = glm::vec3(

ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.003), 0, 1, -300, 300),

ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.003), 0, 1, -300, 300),

ofMap(ofNoise(noise_seed.z, (ofGetFrameNum() + 1) * 0.003), 0, 1, -300, 300)

);

auto distance = location - next;

distance *= 2;

auto future = location + distance * 30;

auto random_deg_1 = ofRandom(360);

auto random_deg_2 = ofRandom(360);

future += glm::vec3(

30 * cos(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),

30 * sin(random_deg_1 * DEG_TO_RAD) * sin(random_deg_2 * DEG_TO_RAD),

30 * cos(random_deg_2 * DEG_TO_RAD)

);

auto future_distance = future - location;

this->location_list.push_back(location + glm::normalize(future_distance) * 200);

this->life_list.push_back(255);

}

for (int i = this->location_list.size() - 1; i > -1; i--) {

this->life_list[i] -= 1.f;

if (this->life_list[i] < 0) {

this->location_list.erase(this->location_list.begin() + i);

this->life_list.erase(this->life_list.begin() + i);

continue;

}

this->draw_mesh.addVertex(this->location_list[i]);

this->draw_mesh.addColor(ofColor(32, this->life_list[i]));

}

for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

for (int k = i + 1; k < this->draw_mesh.getNumVertices(); k++) {

if (glm::distance(this->draw_mesh.getVertex(i), this->draw_mesh.getVertex(k)) < 50) {

this->draw_mesh.addIndex(i);

this->draw_mesh.addIndex(k);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.25);

ofRotateX(ofGetFrameNum() * 0.5);

this->draw_mesh.drawWireframe();

for (int i = 0; i < this->draw_mesh.getNumVertices(); i++) {

ofSetColor(ofColor(39, this->life_list[i]));

ofDrawSphere(this->location_list[i], 5);

}

this->cam.end();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191227

2019年12月26日2019年12月26日

Hide “A”. openFrameworks

[ Video ]

[ About ]
隠し”A”

Hide “A”.

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	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) {};

	vector<glm::vec2> noise_seed_list;
	vector<glm::vec2> location_list;
	vector<glm::vec2> velocity_list;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

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) {};

vector<glm::vec2> noise_seed_list;

vector<glm::vec2> location_list;

vector<glm::vec2> velocity_list;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);

	for (int i = 0; i < 5; i++) {

		this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));
	}

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 500, true, true, true);

	string word = "A";
	auto word_size = glm::vec2(font.stringWidth(word), font.stringHeight(word));

	vector<ofPath> word_path = font.getStringAsPoints(word, true, false);
	for (int word_index = 0; word_index < word.size(); word_index++) {

		vector<ofPolyline> outline = word_path[word_index].getOutline();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			outline[outline_index] = outline[outline_index].getResampledBySpacing(10);
		    auto vertices = outline[outline_index].getVertices();
			for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

				glm::vec2 vertex = glm::vec2(vertices[vertices_index]);
				vertex += glm::vec2(ofGetWidth() * 0.5 - word_size.x * 0.5, ofGetHeight() * 0.5 + word_size.y * 0.5);

				this->location_list.push_back(vertex);
				this->velocity_list.push_back(glm::vec2());
			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::update() {

	for (auto& noise_seed : this->noise_seed_list) {

		auto location = glm::vec2(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.003), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.003), 0, 1, 0, ofGetHeight()));
		auto next = glm::vec2(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.003), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.003), 0, 1, 0, ofGetHeight()));
		auto distance = location - next;
		distance *= 2;

		auto future = location + distance * 30;
		auto random_deg = ofRandom(360);
		future += glm::vec2(30 * cos(random_deg * DEG_TO_RAD), 30 * sin(random_deg * DEG_TO_RAD));
		auto future_distance = future - location;

		this->location_list.push_back(location);
		this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * 0.5);
	}

	for (int i = this->location_list.size() - 1; i > -1; i--) {

		this->location_list[i] += this->velocity_list[i];
		this->velocity_list[i] *= 1.01;

		if (glm::distance(glm::vec2(ofGetWidth() * 0.5, ofGetHeight() * 0.5), this->location_list[i]) > 720) {

			this->location_list.erase(this->location_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
		}
	}
}

//--------------------------------------------------------------
void ofApp::draw() {

	for (int i = 0; i < this->location_list.size(); i++) {

		for (int k = 0; k < this->location_list.size(); k++) {

			if (i == k) continue;
			if (this->velocity_list[i] == glm::vec2() && this->velocity_list[k] == glm::vec2()) { continue; }

			if (glm::distance(this->location_list[i], this->location_list[k]) < 50) {

				ofDrawLine(this->location_list[i], this->location_list[k]);
			}
		}
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

for (int i = 0; i < 5; i++) {

this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));

}

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 500, true, true, true);

string word = "A";

auto word_size = glm::vec2(font.stringWidth(word), font.stringHeight(word));

vector<ofPath> word_path = font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

outline[outline_index] = outline[outline_index].getResampledBySpacing(10);

auto vertices = outline[outline_index].getVertices();

for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) {

glm::vec2 vertex = glm::vec2(vertices[vertices_index]);

vertex += glm::vec2(ofGetWidth() * 0.5 - word_size.x * 0.5, ofGetHeight() * 0.5 + word_size.y * 0.5);

this->location_list.push_back(vertex);

this->velocity_list.push_back(glm::vec2());

}

//--------------------------------------------------------------

void ofApp::update() {

for (auto& noise_seed : this->noise_seed_list) {

auto location = glm::vec2(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.003), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.003), 0, 1, 0, ofGetHeight()));

auto next = glm::vec2(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.003), 0, 1, 0, ofGetWidth()), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.003), 0, 1, 0, ofGetHeight()));

auto distance = location - next;

distance *= 2;

auto future = location + distance * 30;

auto random_deg = ofRandom(360);

future += glm::vec2(30 * cos(random_deg * DEG_TO_RAD), 30 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->location_list.push_back(location);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * 0.5);

}

for (int i = this->location_list.size() - 1; i > -1; i--) {

this->location_list[i] += this->velocity_list[i];

this->velocity_list[i] *= 1.01;

if (glm::distance(glm::vec2(ofGetWidth() * 0.5, ofGetHeight() * 0.5), this->location_list[i]) > 720) {

this->location_list.erase(this->location_list.begin() + i);

this->velocity_list.erase(this->velocity_list.begin() + i);

}

//--------------------------------------------------------------

void ofApp::draw() {

for (int i = 0; i < this->location_list.size(); i++) {

for (int k = 0; k < this->location_list.size(); k++) {

if (i == k) continue;

if (this->velocity_list[i] == glm::vec2() && this->velocity_list[k] == glm::vec2()) { continue; }

if (glm::distance(this->location_list[i], this->location_list[k]) < 50) {

ofDrawLine(this->location_list[i], this->location_list[k]);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191226

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