2019年10月 – ページ 4 – プログラミング de 落描き

2019年10月22日

Sphere control by LeapMotion. openFrameworks

[ Video ]

[ About ]
LeapMotionで親指と人差し指の開閉具合を取得して変化量を操作。

Sphere control by 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;
	ofIcoSpherePrimitive ico_sphere;
	vector<ofMesh> mesh_list;
	float threshold;
};

#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;

ofIcoSpherePrimitive ico_sphere;

vector<ofMesh> mesh_list;

float threshold;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofEnableDepthTest();
	ofSetLineWidth(5);

	this->ico_sphere = ofIcoSpherePrimitive(150, 3);
	this->threshold = 0;
}

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

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

		if (hand.pinchStrength() > 0.5) {

			this->threshold -= this->threshold > 0 ? 0.03 : 0;
		}
		else {

			this->threshold += this->threshold <= 1 ? 0.03 : 0;
		}
	}

	this->mesh_list.clear();
	auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

	for (auto& triangle : triangle_list) {

		glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto noise_value = ofNoise(avg.x * 0.03, avg.y * 0.03, avg.z * 0.03, ofGetFrameNum() * 0.003);
		auto noise_radius = ofMap(noise_value, 0, 1, 250, 250 + 500 * this->threshold);

		ofMesh mesh;

		mesh.addVertex(glm::normalize(avg) * (noise_radius - 50));
		mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius);
		mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius);
		mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius);

		mesh.addIndex(0);
		mesh.addIndex(1);
		mesh.addIndex(2);

		mesh.addIndex(0);
		mesh.addIndex(2);
		mesh.addIndex(3);

		mesh.addIndex(0);
		mesh.addIndex(1);
		mesh.addIndex(3);

		mesh.addIndex(1);
		mesh.addIndex(2);
		mesh.addIndex(3);

		this->mesh_list.push_back(mesh);
	}
}

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

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

	for (auto& mesh : this->mesh_list) {

		ofSetColor(239);
		mesh.drawFaces();

		ofSetColor(39);
		mesh.drawWireframe();
	}

	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);

ofEnableDepthTest();

ofSetLineWidth(5);

this->ico_sphere = ofIcoSpherePrimitive(150, 3);

this->threshold = 0;

}

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

void ofApp::update() {

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

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

if (hand.pinchStrength() > 0.5) {

this->threshold -= this->threshold > 0 ? 0.03 : 0;

}

else {

this->threshold += this->threshold <= 1 ? 0.03 : 0;

}

this->mesh_list.clear();

auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

for (auto& triangle : triangle_list) {

glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

auto noise_value = ofNoise(avg.x * 0.03, avg.y * 0.03, avg.z * 0.03, ofGetFrameNum() * 0.003);

auto noise_radius = ofMap(noise_value, 0, 1, 250, 250 + 500 * this->threshold);

ofMesh mesh;

mesh.addVertex(glm::normalize(avg) * (noise_radius - 50));

mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius);

mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius);

mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius);

mesh.addIndex(0);

mesh.addIndex(1);

mesh.addIndex(2);

mesh.addIndex(0);

mesh.addIndex(2);

mesh.addIndex(3);

mesh.addIndex(0);

mesh.addIndex(1);

mesh.addIndex(3);

mesh.addIndex(1);

mesh.addIndex(2);

mesh.addIndex(3);

this->mesh_list.push_back(mesh);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum() * 0.25);

for (auto& mesh : this->mesh_list) {

ofSetColor(239);

mesh.drawFaces();

ofSetColor(39);

mesh.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191022

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2019年10月21日2019年10月21日

Sphere composed of triangular pyramids. openFrameworks

[ Video ]

[ About ]
三角錐で構成された球体。

Sphere composed of triangular pyramids.

[ 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;
	ofIcoSpherePrimitive ico_sphere;
	vector<ofMesh> mesh_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) {};

ofEasyCam cam;

ofIcoSpherePrimitive ico_sphere;

vector<ofMesh> mesh_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->ico_sphere = ofIcoSpherePrimitive(150, 3);
}

//--------------------------------------------------------------
void ofApp::update() {
	
	this->mesh_list.clear();
	auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

	for (auto& triangle : triangle_list) {

		glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto noise_value = ofNoise(avg.x * 0.01, avg.y * 0.01, avg.z * 0.01, ofGetFrameNum() * 0.003);

		auto noise_radius = 150;
		if (noise_value > 0.7) {
		
			noise_radius += ofMap(noise_value, 0.7, 1, 0, 250);
		}

		ofMesh mesh;
		
		mesh.addVertex(glm::normalize(avg) * (noise_radius - 50));
		mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius);
		mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius);
		mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius);

		mesh.addIndex(0);
		mesh.addIndex(1);
		mesh.addIndex(2);

		mesh.addIndex(0);
		mesh.addIndex(2);
		mesh.addIndex(3);

		mesh.addIndex(0);
		mesh.addIndex(1);
		mesh.addIndex(3);

		mesh.addIndex(1);
		mesh.addIndex(2);
		mesh.addIndex(3);

		this->mesh_list.push_back(mesh);
	}
}

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

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

	for (auto& mesh : this->mesh_list) {

		ofSetColor(239);
		mesh.drawFaces();

		ofSetColor(39);
		mesh.drawWireframe();
	}

	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);

ofSetLineWidth(3);

ofEnableDepthTest();

this->ico_sphere = ofIcoSpherePrimitive(150, 3);

}

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

void ofApp::update() {

this->mesh_list.clear();

auto triangle_list = this->ico_sphere.getMesh().getUniqueFaces();

for (auto& triangle : triangle_list) {

glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

auto noise_value = ofNoise(avg.x * 0.01, avg.y * 0.01, avg.z * 0.01, ofGetFrameNum() * 0.003);

auto noise_radius = 150;

if (noise_value > 0.7) {

noise_radius += ofMap(noise_value, 0.7, 1, 0, 250);

}

ofMesh mesh;

mesh.addVertex(glm::normalize(avg) * (noise_radius - 50));

mesh.addVertex(glm::normalize(triangle.getVertex(0)) * noise_radius);

mesh.addVertex(glm::normalize(triangle.getVertex(1)) * noise_radius);

mesh.addVertex(glm::normalize(triangle.getVertex(2)) * noise_radius);

mesh.addIndex(0);

mesh.addIndex(1);

mesh.addIndex(2);

mesh.addIndex(0);

mesh.addIndex(2);

mesh.addIndex(3);

mesh.addIndex(0);

mesh.addIndex(1);

mesh.addIndex(3);

mesh.addIndex(1);

mesh.addIndex(2);

mesh.addIndex(3);

this->mesh_list.push_back(mesh);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum() * 0.25);

for (auto& mesh : this->mesh_list) {

ofSetColor(239);

mesh.drawFaces();

ofSetColor(39);

mesh.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191021

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2019年10月20日

Gradation ripple. openFrameworks

[ Video ]

[ About ]
グラデーション波紋。

Gradation ripple.

[ Source ]

#pragma once
#include "ofMain.h"
#include "Ripple.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<unique_ptr<Ripple>> ripple_list;
};

#pragma once

#include "ofMain.h"

#include "Ripple.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<unique_ptr<Ripple>> ripple_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
}

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

	if (ofRandom(100) < 4) {

		auto ripple = make_unique<Ripple>(glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight())));
		this->ripple_list.push_back(move(ripple));
	}

	for (auto& ripple : this->ripple_list) {

		ripple->update();
	}

	for (int i = this->ripple_list.size() - 1; i >= 0; i--) {

		if (this->ripple_list[i]->isDead()) {

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

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

	for (auto& ripple : this->ripple_list) {

		ripple->draw();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

}

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

void ofApp::update() {

if (ofRandom(100) < 4) {

auto ripple = make_unique<Ripple>(glm::vec2(ofRandom(ofGetWidth()), ofRandom(ofGetHeight())));

this->ripple_list.push_back(move(ripple));

}

for (auto& ripple : this->ripple_list) {

ripple->update();

}

for (int i = this->ripple_list.size() - 1; i >= 0; i--) {

if (this->ripple_list[i]->isDead()) {

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

}

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

void ofApp::draw() {

for (auto& ripple : this->ripple_list) {

ripple->draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Ripple
{
public:

	Ripple();
	Ripple(glm::vec2 location);
	void update();
	void draw();
	bool isDead();
private:

	glm::vec2 location;
	float radius;
	ofMesh mesh;
};

#pragma once

#include "ofMain.h"

class Ripple

{

public:

Ripple();

Ripple(glm::vec2 location);

void update();

void draw();

bool isDead();

private:

glm::vec2 location;

float radius;

ofMesh mesh;

};

#include "Ripple.h"

//--------------------------------------------------------------
Ripple::Ripple() : Ripple(glm::vec2()) {

}

//--------------------------------------------------------------
Ripple::Ripple(glm::vec2 location) {

	this->location = location;
	this->radius = 0;
}

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

	this->mesh.clear();

	this->radius += 1;
	auto len = radius / 25 + 1;
	for (auto deg = 0; deg < 360; deg += 1) {

		auto out_radius = radius + len;
		auto in_location = this->location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		auto out_location = this->location + glm::vec2(out_radius * cos(deg * DEG_TO_RAD), out_radius * sin(deg * DEG_TO_RAD));

		ofColor in_color, out_color;
		float alpha = this->radius < 250 ? 255 : ofMap(this->radius, 250, 300, 255, 0);
		in_color.setHsb(ofMap(ofNoise(in_location.x * 0.001, in_location.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, 255), 200, 255, alpha);
		out_color.setHsb(ofMap(ofNoise(out_location.x * 0.001, out_location.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, 255), 200, 255, alpha);

		mesh.addVertex(ofPoint(in_location));
		mesh.addColor(in_color);
		mesh.addVertex(ofPoint(out_location));
		mesh.addColor(out_color);
	}

	for (auto i = 0; i < mesh.getVertices().size(); i += 2) {

		auto index_0 = i;
		auto index_1 = (i + 1) % mesh.getVertices().size();
		auto index_2 = (i + 2) % mesh.getVertices().size();
		auto index_3 = (i + 3) % mesh.getVertices().size();

		mesh.addIndex(index_0);
		mesh.addIndex(index_1);
		mesh.addIndex(index_2);

		mesh.addIndex(index_3);
		mesh.addIndex(index_1);
		mesh.addIndex(index_2);
	}
}

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

	this->mesh.draw();
}

//--------------------------------------------------------------
bool Ripple::isDead() {

	return this->radius > 300;
}

#include "Ripple.h"

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

Ripple::Ripple() : Ripple(glm::vec2()) {

}

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

Ripple::Ripple(glm::vec2 location) {

this->location = location;

this->radius = 0;

}

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

void Ripple::update() {

this->mesh.clear();

this->radius += 1;

auto len = radius / 25 + 1;

for (auto deg = 0; deg < 360; deg += 1) {

auto out_radius = radius + len;

auto in_location = this->location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto out_location = this->location + glm::vec2(out_radius * cos(deg * DEG_TO_RAD), out_radius * sin(deg * DEG_TO_RAD));

ofColor in_color, out_color;

float alpha = this->radius < 250 ? 255 : ofMap(this->radius, 250, 300, 255, 0);

in_color.setHsb(ofMap(ofNoise(in_location.x * 0.001, in_location.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, 255), 200, 255, alpha);

out_color.setHsb(ofMap(ofNoise(out_location.x * 0.001, out_location.y * 0.001, ofGetFrameNum() * 0.005), 0, 1, 0, 255), 200, 255, alpha);

mesh.addVertex(ofPoint(in_location));

mesh.addColor(in_color);

mesh.addVertex(ofPoint(out_location));

mesh.addColor(out_color);

}

for (auto i = 0; i < mesh.getVertices().size(); i += 2) {

auto index_0 = i;

auto index_1 = (i + 1) % mesh.getVertices().size();

auto index_2 = (i + 2) % mesh.getVertices().size();

auto index_3 = (i + 3) % mesh.getVertices().size();

mesh.addIndex(index_0);

mesh.addIndex(index_1);

mesh.addIndex(index_2);

mesh.addIndex(index_3);

mesh.addIndex(index_1);

mesh.addIndex(index_2);

}

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

void Ripple::draw() {

this->mesh.draw();

}

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

bool Ripple::isDead() {

return this->radius > 300;

}

[ Link ]
https://github.com/junkiyoshi/Insta20191020

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