プログラミング de 落描き – ページ 672 – クリエイティブ・コーディングによる生成物とソース

2019年5月20日2019年5月20日

Noise ameba. openFrameworks

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[ About ]
アメーバっぽい動きと履歴

Noise ameba.

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#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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2.5);
}

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

}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	auto radius = 300;
	for (auto i = 0; i < 10; i++) {

		vector<glm::vec2> vertices;
		for (auto deg = 0; deg < 360; deg += 1) {

			auto base_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			auto noise_radius = ofMap(ofNoise(base_location.x * 0.005, base_location.y * 0.005, (ofGetFrameNum() - i * 10) * 0.01), 0, 1, radius * 0.5, radius * 1.0);
			auto location = glm::vec2(noise_radius * cos(deg * DEG_TO_RAD), noise_radius * sin(deg * DEG_TO_RAD));

			vertices.push_back(location);
		}

		ofFill();
		ofSetColor(239);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2.5);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

auto radius = 300;

for (auto i = 0; i < 10; i++) {

vector<glm::vec2> vertices;

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

auto base_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto noise_radius = ofMap(ofNoise(base_location.x * 0.005, base_location.y * 0.005, (ofGetFrameNum() - i * 10) * 0.01), 0, 1, radius * 0.5, radius * 1.0);

auto location = glm::vec2(noise_radius * cos(deg * DEG_TO_RAD), noise_radius * sin(deg * DEG_TO_RAD));

vertices.push_back(location);

}

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190520

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2019年5月19日

Ring that grows. openFrameworks

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成長する輪っか

Ring that grows.

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#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 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) {};

	ofEasyCam cam;
};

#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 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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
	ofSetLineWidth(3);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto deg_span = 15;
	auto width = 15;
	for(auto i = 0; i < 6; i++){

		int radius = (i * 50 + ofGetFrameNum()) % 300;
		auto noise_seed_x = ofRandom(1000);
		auto noise_seed_z = ofRandom(1000);
		auto noise_seed_deg = ofRandom(1000);

		ofPushMatrix();

		ofRotateY(ofMap(ofNoise(noise_seed_z, ofGetFrameNum() * 0.0005), 0, 1, -180, 180));
		ofRotateX(ofMap(ofNoise(noise_seed_x, ofGetFrameNum() * 0.0005), 0, 1, -180, 180));
		int deg_start = ofGetFrameNum() * 0.5 + radius;
		for (auto deg = deg_start; deg < deg_start + 360; deg += deg_span) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * 0.5));
			vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * -0.5));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * -0.5));
			vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * 0.5));

			ofFill();
			ofSetColor(239);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}

		ofPopMatrix();
	}

	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);

ofEnableDepthTest();

ofSetLineWidth(3);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto deg_span = 15;

auto width = 15;

for(auto i = 0; i < 6; i++){

int radius = (i * 50 + ofGetFrameNum()) % 300;

auto noise_seed_x = ofRandom(1000);

auto noise_seed_z = ofRandom(1000);

auto noise_seed_deg = ofRandom(1000);

ofPushMatrix();

ofRotateY(ofMap(ofNoise(noise_seed_z, ofGetFrameNum() * 0.0005), 0, 1, -180, 180));

ofRotateX(ofMap(ofNoise(noise_seed_x, ofGetFrameNum() * 0.0005), 0, 1, -180, 180));

int deg_start = ofGetFrameNum() * 0.5 + radius;

for (auto deg = deg_start; deg < deg_start + 360; deg += deg_span) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * 0.5));

vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD), width * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD), width * 0.5));

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190519

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2019年5月18日

Bubble intersection point. openFrameworks

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[ About ]
泡っぽい動きと交点

Bubble intersection point.

[ 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 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) {};

	float radius;
	vector<pair<glm::vec2, glm::vec2>> particles;
	bool calculate_angle(glm::vec2 location_1, float radius_1, glm::vec2 location_2, float radius_2, double& theta, double& a);
};

#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 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) {};

float radius;

vector<pair<glm::vec2, glm::vec2>> particles;

bool calculate_angle(glm::vec2 location_1, float radius_1, glm::vec2 location_2, float radius_2, double& theta, double& a);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);

	this->radius = 40;
	for (auto i = 0; i < 30; i++) {

		auto location = glm::vec2(ofRandom(ofGetWidth() * 0.5 - this->radius * 2, ofGetWidth() * 0.5 + this->radius * 2), ofGetHeight() - this->radius * 0.5);
		auto direction = glm::vec2(ofRandom(-1.2, 1.2), ofRandom(-3, -6));
		auto particle = make_pair(location, direction);
		this->particles.push_back(particle);
	}
}
//--------------------------------------------------------------
void ofApp::update() {

	for (auto& particle : this->particles) {

		particle.first += particle.second;

		if (particle.first.y < -this->radius) {

			particle.first = glm::vec2(ofRandom(ofGetWidth() * 0.5 - this->radius * 2, ofGetWidth() * 0.5 + this->radius * 2), ofGetHeight() - this->radius * 0.5);
			particle.second = glm::vec2(ofRandom(-1.2, 1.2), ofRandom(-1, -5));
		}
	}
}

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

	for (auto& particle : this->particles) {

		ofNoFill();
		ofDrawCircle(particle.first, this->radius);

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

			if (particle == other) { continue; }

			double theta, a;
			if (this->calculate_angle(particle.first, this->radius, other.first, this->radius, theta, a)) {
				
				auto point_1 = particle.first + glm::vec2(this->radius * cos(theta + a), this->radius * sin(theta + a));
				auto point_2 = particle.first + glm::vec2(this->radius * cos(theta - a), this->radius * sin(theta - a));

				ofFill();
				ofDrawCircle(point_1, 8);
				ofDrawCircle(point_2, 8);
			}
			
		}
	}
}

//--------------------------------------------------------------
bool ofApp::calculate_angle(glm::vec2 location_1, float radius_1, glm::vec2 location_2, float radius_2, double& theta, double& a) {

	auto distance = glm::distance(location_1, location_2);
	if (distance > radius_1 + radius_2 || distance < radius_1 - radius_2) { return false; }

	theta = atan2(location_2.y - location_1.y, location_2.x - location_1.x);
	auto cos_a = (pow(distance, 2) + pow(radius_1, 2) - pow(radius_2, 2)) / (2 * distance * radius_1);
	a = acos(cos_a);
	return true;
}


//--------------------------------------------------------------
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(2);

this->radius = 40;

for (auto i = 0; i < 30; i++) {

auto location = glm::vec2(ofRandom(ofGetWidth() * 0.5 - this->radius * 2, ofGetWidth() * 0.5 + this->radius * 2), ofGetHeight() - this->radius * 0.5);

auto direction = glm::vec2(ofRandom(-1.2, 1.2), ofRandom(-3, -6));

auto particle = make_pair(location, direction);

this->particles.push_back(particle);

}

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

void ofApp::update() {

for (auto& particle : this->particles) {

particle.first += particle.second;

if (particle.first.y < -this->radius) {

particle.first = glm::vec2(ofRandom(ofGetWidth() * 0.5 - this->radius * 2, ofGetWidth() * 0.5 + this->radius * 2), ofGetHeight() - this->radius * 0.5);

particle.second = glm::vec2(ofRandom(-1.2, 1.2), ofRandom(-1, -5));

}

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

void ofApp::draw() {

for (auto& particle : this->particles) {

ofNoFill();

ofDrawCircle(particle.first, this->radius);

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

if (particle == other) { continue; }

double theta, a;

if (this->calculate_angle(particle.first, this->radius, other.first, this->radius, theta, a)) {

auto point_1 = particle.first + glm::vec2(this->radius * cos(theta + a), this->radius * sin(theta + a));

auto point_2 = particle.first + glm::vec2(this->radius * cos(theta - a), this->radius * sin(theta - a));

ofFill();

ofDrawCircle(point_1, 8);

ofDrawCircle(point_2, 8);

}

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

bool ofApp::calculate_angle(glm::vec2 location_1, float radius_1, glm::vec2 location_2, float radius_2, double& theta, double& a) {

auto distance = glm::distance(location_1, location_2);

if (distance > radius_1 + radius_2 || distance < radius_1 - radius_2) { return false; }

theta = atan2(location_2.y - location_1.y, location_2.x - location_1.x);

auto cos_a = (pow(distance, 2) + pow(radius_1, 2) - pow(radius_2, 2)) / (2 * distance * radius_1);

a = acos(cos_a);

return true;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190518

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