openFrameworks – ページ 477 – プログラミング de 落描き

2020年12月24日2020年12月24日

Noise walk born from noise walk. Draw by openFrameworks

[ Video ]

[ About ]
ノイズウォークから生まれるノイズウォーク。

Noise walk born from noise walk.

[ 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<ofColor> base_color_list;

	vector<glm::vec2> noise_seed_list;
	vector<vector<glm::vec2>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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<ofColor> base_color_list;

vector<glm::vec2> noise_seed_list;

vector<vector<glm::vec2>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

	for (int i = 0; i < 3; i++) {

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

	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}
}

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

	int radius = 5;

	while (this->log_list.size() < 500) {

		for (auto noise_seed : this->noise_seed_list) {

			vector<glm::vec2> log;
			log.push_back(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())));
			this->log_list.push_back(log);
			this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
			this->life_list.push_back(ofRandom(120, 300));
		}
	}

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

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

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

			continue;
		}

		auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.003, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
		while (this->log_list[i].size() > 100) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 90) {

			ofSetLineWidth(1.5);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 90, 0, 1.5));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

for (int i = 0; i < 3; i++) {

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

}

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

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

void ofApp::update() {

int radius = 5;

while (this->log_list.size() < 500) {

for (auto noise_seed : this->noise_seed_list) {

vector<glm::vec2> log;

log.push_back(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())));

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(120, 300));

}

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

this->life_list[i] -= 1;

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

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

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

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

continue;

}

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.003, ofGetFrameNum() * 0.003)), 0, 1, -360, 360);

this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

while (this->log_list[i].size() > 100) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 90) {

ofSetLineWidth(1.5);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 90, 0, 1.5));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201224

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2020年12月23日2020年12月23日

Heart rate. Draw by openFrameworks

[ Video ]

[ About ]
Heart rate.

[ 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) {};

	glm::vec2 make_point(float theta);

	vector<ofColor> base_color_list;
	float theta_seed, scale_seed;
	vector<pair<float, float>> param_list;
	vector<vector<glm::vec2>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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) {};

glm::vec2 make_point(float theta);

vector<ofColor> base_color_list;

float theta_seed, scale_seed;

vector<pair<float, float>> param_list;

vector<vector<glm::vec2>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();

	this->theta_seed = ofRandom(1000);
	this->scale_seed = ofRandom(1000);

	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}
}

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

	while (this->param_list.size() < 100) {

		auto deg_pair = make_pair(ofRandom(360), ofRandom(3, 20));
		this->param_list.push_back(deg_pair);
		vector<glm::vec2> log;
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(ofRandom(60, 180));
	}

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

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

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

			continue;
		}

		auto noise_location = this->make_point(this->param_list[i].first);
		auto u_param = ofMap(ofNoise(glm::vec4(noise_location * 0.003, this->param_list[i].second * 0.03, this->theta_seed + ofGetFrameNum() * 0.003)), 0, 1, -0.5, 0.5);
		auto v_param = ofMap(ofNoise(glm::vec4(noise_location * 0.003, this->param_list[i].second * 0.03, this->scale_seed + ofGetFrameNum() * 0.008)), 0, 1, 3, 20);

		this->param_list[i].first += u_param;
		this->param_list[i].second = v_param;

		this->log_list[i].push_back(this->make_point(this->param_list[i].first) * this->param_list[i].second);
		while (this->log_list[i].size() > 100) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

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

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 60) {

			ofSetLineWidth(1.5);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 60, 0, 1.5));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}
}

//--------------------------------------------------------------
// Reference by https://twitter.com/shiffman/status/1095764239665512453
glm::vec2 ofApp::make_point(float theta) {

	float x = 16 * (pow(sin(theta), 3));
	float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);
	return glm::vec2(x, -y);
}

//--------------------------------------------------------------
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(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

this->theta_seed = ofRandom(1000);

this->scale_seed = ofRandom(1000);

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

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

void ofApp::update() {

while (this->param_list.size() < 100) {

auto deg_pair = make_pair(ofRandom(360), ofRandom(3, 20));

this->param_list.push_back(deg_pair);

vector<glm::vec2> log;

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(60, 180));

}

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

this->life_list[i] -= 1;

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

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

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

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

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

continue;

}

auto noise_location = this->make_point(this->param_list[i].first);

auto u_param = ofMap(ofNoise(glm::vec4(noise_location * 0.003, this->param_list[i].second * 0.03, this->theta_seed + ofGetFrameNum() * 0.003)), 0, 1, -0.5, 0.5);

auto v_param = ofMap(ofNoise(glm::vec4(noise_location * 0.003, this->param_list[i].second * 0.03, this->scale_seed + ofGetFrameNum() * 0.008)), 0, 1, 3, 20);

this->param_list[i].first += u_param;

this->param_list[i].second = v_param;

this->log_list[i].push_back(this->make_point(this->param_list[i].first) * this->param_list[i].second);

while (this->log_list[i].size() > 100) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

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

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 60) {

ofSetLineWidth(1.5);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 60, 0, 1.5));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

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

// Reference by https://twitter.com/shiffman/status/1095764239665512453

glm::vec2 ofApp::make_point(float theta) {

float x = 16 * (pow(sin(theta), 3));

float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);

return glm::vec2(x, -y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201223

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Amazon

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2020年12月22日2020年12月22日

Torus swell. Draw by openFrameworks

[ Video ]

[ About ]
トーラスのうねり。

Torus swell.

[ 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) {};

	glm::vec3 make_point(float R, float r, float u, float v);

	ofEasyCam cam;
	vector<ofColor> base_color_list;

	float u_seed, v_seed;
	vector<pair<float, float>> deg_list;
	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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) {};

glm::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

vector<ofColor> base_color_list;

float u_seed, v_seed;

vector<pair<float, float>> deg_list;

vector<vector<glm::vec3>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();

	this->u_seed = ofRandom(1000);
	this->v_seed = ofRandom(1000);

	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}
}

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

	while (this->deg_list.size() < 800) {

		auto deg_pair = make_pair(ofRandom(360), ofRandom(360));
		this->deg_list.push_back(deg_pair);
		vector<glm::vec3> log;
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(ofRandom(60, 120));
	}

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

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

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

			continue;
		}

		auto location = this->make_point(300, 50, this->deg_list[i].first, this->deg_list[i].second);
		auto u_param = ofMap(ofNoise(glm::vec4(location * 0.003, this->u_seed + ofGetFrameNum() * 0.005)), 0, 1, -30, 30);
		auto v_param = ofMap(ofNoise(glm::vec4(location * 0.003, this->v_seed + ofGetFrameNum() * 0.005)), 0, 1, -5, 5);

		this->deg_list[i].first += u_param;
		this->deg_list[i].second += v_param;

		this->log_list[i].push_back(this->make_point(300, 50, this->deg_list[i].first, this->deg_list[i].second));
		while (this->log_list[i].size() > 150) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	this->cam.begin();

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 60) {

			ofSetLineWidth(2);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 60, 0, 2));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}

//--------------------------------------------------------------
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(0);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

this->u_seed = ofRandom(1000);

this->v_seed = ofRandom(1000);

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

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

void ofApp::update() {

while (this->deg_list.size() < 800) {

auto deg_pair = make_pair(ofRandom(360), ofRandom(360));

this->deg_list.push_back(deg_pair);

vector<glm::vec3> log;

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(60, 120));

}

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

this->life_list[i] -= 1;

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

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

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

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

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

continue;

}

auto location = this->make_point(300, 50, this->deg_list[i].first, this->deg_list[i].second);

auto u_param = ofMap(ofNoise(glm::vec4(location * 0.003, this->u_seed + ofGetFrameNum() * 0.005)), 0, 1, -30, 30);

auto v_param = ofMap(ofNoise(glm::vec4(location * 0.003, this->v_seed + ofGetFrameNum() * 0.005)), 0, 1, -5, 5);

this->deg_list[i].first += u_param;

this->deg_list[i].second += v_param;

this->log_list[i].push_back(this->make_point(300, 50, this->deg_list[i].first, this->deg_list[i].second));

while (this->log_list[i].size() > 150) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 60) {

ofSetLineWidth(2);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 60, 0, 2));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201222

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