プログラミング de 落描き – ページ 307 – クリエイティブ・コーディングによる生成物とソース

2023年6月20日

Waveform. Draw by openFrameworks

[ Video ]

[ About ]
波形。

[ 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) {};
};

#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);
}

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

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSeedRandom(39);
	ofSetColor(39);
	for (int deg = 0; deg < 360; deg += 30) {

		ofPushMatrix();
		ofRotate(deg);

		auto base_location = glm::vec2(0, -100);
		auto target_location = glm::vec2(0, -340);
		auto distance = target_location - base_location;
		auto len = glm::length(distance);
		auto noise_seed = ofRandom(1000);

		ofBeginShape();
		for (int d = 0; d <= len; d += 1) {

			auto location = base_location + glm::normalize(distance) * d;

			auto gap = abs(len * 0.5 - d);
			auto power = gap < len * 0.35 ? 1 : ofMap(gap, len * 0.35, len * 0.5, 1, 0);

			auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, location.y * 0.015 + ofGetFrameNum() * 0.035), 0, 1, -50, 50);
			location += glm::vec2(noise_x * power, 0);

			ofVertex(location);
		}
		ofEndShape();

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
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() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSeedRandom(39);

ofSetColor(39);

for (int deg = 0; deg < 360; deg += 30) {

ofPushMatrix();

ofRotate(deg);

auto base_location = glm::vec2(0, -100);

auto target_location = glm::vec2(0, -340);

auto distance = target_location - base_location;

auto len = glm::length(distance);

auto noise_seed = ofRandom(1000);

ofBeginShape();

for (int d = 0; d <= len; d += 1) {

auto location = base_location + glm::normalize(distance) * d;

auto gap = abs(len * 0.5 - d);

auto power = gap < len * 0.35 ? 1 : ofMap(gap, len * 0.35, len * 0.5, 1, 0);

auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, location.y * 0.015 + ofGetFrameNum() * 0.035), 0, 1, -50, 50);

location += glm::vec2(noise_x * power, 0);

ofVertex(location);

}

ofEndShape();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230620

2023年6月19日

Connective. Draw by openFrameworks

[ Video ]

[ About ]
接続する。

[ 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) {};
};

#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);
}

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

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSeedRandom(39);
	ofSetColor(39);
	for (int deg = 0; deg < 360; deg += 3) {

		ofPushMatrix();
		ofRotate(deg);

		auto base_location = glm::vec2(0, -100);
		auto target_location = glm::vec2(0, -300);
		auto distance = target_location - base_location;
		auto len = glm::length(distance);
		auto noise_seed = ofRandom(1000);

		for (int d = 0; d <= len; d++) {

			auto location = base_location + glm::normalize(distance) * d;

			auto gap = abs(len * 0.5 - d);
			auto power = gap < len * 0.35 ? 1 : ofMap(gap, len * 0.35, len * 0.5, 1, 0);

			auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, location.y * 0.015 + ofGetFrameNum() * 0.015), 0, 1, -30, 30);
			location += glm::vec2(noise_x * power, 0);

			ofDrawCircle(location, 5);
		}

		ofPopMatrix();
	}

	ofSeedRandom(39);
	ofSetColor(239, 39, 39);
	for (int deg = 0; deg < 360; deg += 3) {

		ofPushMatrix();
		ofRotate(deg);

		auto base_location = glm::vec2(0, -100);
		auto target_location = glm::vec2(0, -300);
		auto distance = target_location - base_location;
		auto len = glm::length(distance);
		auto noise_seed = ofRandom(1000);

		for (int d = 0; d <= len; d++) {

			auto location = base_location + glm::normalize(distance) * d;

			auto gap = abs(len * 0.5 - d);
			auto power = gap < len * 0.35 ? 1 : ofMap(gap, len * 0.35, len * 0.5, 1, 0);

			auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, location.y * 0.015 + ofGetFrameNum() * 0.015), 0, 1, -30, 30);
			location += glm::vec2(noise_x * power, 0);

			ofDrawCircle(location, 2);
		}

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
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() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSeedRandom(39);

ofSetColor(39);

for (int deg = 0; deg < 360; deg += 3) {

ofPushMatrix();

ofRotate(deg);

auto base_location = glm::vec2(0, -100);

auto target_location = glm::vec2(0, -300);

auto distance = target_location - base_location;

auto len = glm::length(distance);

auto noise_seed = ofRandom(1000);

for (int d = 0; d <= len; d++) {

auto location = base_location + glm::normalize(distance) * d;

auto gap = abs(len * 0.5 - d);

auto power = gap < len * 0.35 ? 1 : ofMap(gap, len * 0.35, len * 0.5, 1, 0);

auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, location.y * 0.015 + ofGetFrameNum() * 0.015), 0, 1, -30, 30);

location += glm::vec2(noise_x * power, 0);

ofDrawCircle(location, 5);

}

ofPopMatrix();

}

ofSeedRandom(39);

ofSetColor(239, 39, 39);

for (int deg = 0; deg < 360; deg += 3) {

ofPushMatrix();

ofRotate(deg);

auto base_location = glm::vec2(0, -100);

auto target_location = glm::vec2(0, -300);

auto distance = target_location - base_location;

auto len = glm::length(distance);

auto noise_seed = ofRandom(1000);

for (int d = 0; d <= len; d++) {

auto location = base_location + glm::normalize(distance) * d;

auto gap = abs(len * 0.5 - d);

auto power = gap < len * 0.35 ? 1 : ofMap(gap, len * 0.35, len * 0.5, 1, 0);

auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, location.y * 0.015 + ofGetFrameNum() * 0.015), 0, 1, -30, 30);

location += glm::vec2(noise_x * power, 0);

ofDrawCircle(location, 2);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230619

2023年6月18日

Move and static. Draw by openFrameworks

[ Video ]

[ About ]
動と静。

[ Source ]

#pragma once
#include "ofMain.h"

class Actor {
public:
	Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list, uint64_t frame_number);
	glm::vec3 getLocation();
	deque<glm::vec3> getLog();
	ofColor color;

private:

	int select_index;
	int next_index;

	glm::vec3 location;
	deque<glm::vec3> log;
};

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::vec3> location_list;
	vector<vector<int>> next_index_list;
	vector<int> destination_list;

	vector<unique_ptr<Actor>> actor_list;

	uint64_t frame_number;
};

#pragma once

#include "ofMain.h"

class Actor {

public:

Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list, uint64_t frame_number);

glm::vec3 getLocation();

deque<glm::vec3> getLog();

ofColor color;

private:

int select_index;

int next_index;

glm::vec3 location;

deque<glm::vec3> log;

};

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::vec3> location_list;

vector<vector<int>> next_index_list;

vector<int> destination_list;

vector<unique_ptr<Actor>> actor_list;

uint64_t frame_number;

};

#include "ofApp.h"	

//--------------------------------------------------------------
Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	this->select_index = ofRandom(location_list.size());
	while (true) {

		auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);
		if (itr == destination_list.end()) {

			destination_list.push_back(this->select_index);
			break;
		}

		this->select_index = (this->select_index + 1) % location_list.size();
	}

	this->next_index = this->select_index;

	this->color.setHsb(ofRandom(4) * 64, 150, 255);
}

//--------------------------------------------------------------
void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list, uint64_t frame_number) {

	if (frame_number % frame_span == 0) {

		auto tmp_index = this->select_index;
		this->select_index = this->next_index;
		int retry = next_index_list[this->select_index].size();
		this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];
		while (--retry > 0) {

			auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);
			if (destination_itr == destination_list.end()) {

				if (tmp_index != this->next_index) {

					destination_list.push_back(this->next_index);
					break;
				}
			}

			this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];
		}
		if (retry <= 0) {

			destination_list.push_back(this->select_index);
			this->next_index = this->select_index;
		}
	}

	auto param = frame_number % frame_span;
	auto distance = location_list[this->next_index] - location_list[this->select_index];
	this->location = location_list[this->select_index] + distance / frame_span * param;

	this->log.push_front(this->location);
	while (this->log.size() > 60) { this->log.pop_back(); }
}

//--------------------------------------------------------------
glm::vec3 Actor::getLocation() {

	return this->location;
}

//--------------------------------------------------------------
deque<glm::vec3> Actor::getLog() {

	return this->log;
}

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

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

	ofBackground(239);
	ofSetCircleResolution(60);

	this->frame_number = 0;

	auto span = 20;
	for (int x = -320; x <= 320; x += span) {
		
		for (int y = -320; y <= 320; y += span) {

			this->location_list.push_back(glm::vec3(x, y, 0));
		}
	}

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

		vector<int> next_index = vector<int>();
		int index = -1;
		for (auto& other : this->location_list) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= span) {

				next_index.push_back(index);
			}
		}

		this->next_index_list.push_back(next_index);
	}

	for (int i = 0; i < 150; i++) {

		this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));
	}
}

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

	int frame_span = 8;
	int prev_index_size = 0;

	if (ofGetFrameNum() % 160 < 120) {

		frame_number++;
	}
	else {

		return;
	}


	if (frame_number % frame_span == 0) {

		prev_index_size = this->destination_list.size();
	}

	for (auto& actor : this->actor_list) {

		actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list, frame_number);
	}

	if (prev_index_size != 0) {

		this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);
	}
}

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

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

	ofSetColor(39);
	for (auto& actor : this->actor_list) {

		for (auto& l : actor->getLog()) {

			ofDrawCircle(l, 8);
		}
	}

	for (auto& actor : this->actor_list) {

		ofSetColor(actor->color);
		for (auto& l : actor->getLog()) {

			ofDrawCircle(l, 5);
		}
	}
}

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

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

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#include "ofApp.h"

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

Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

this->select_index = ofRandom(location_list.size());

while (true) {

auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);

if (itr == destination_list.end()) {

destination_list.push_back(this->select_index);

break;

}

this->select_index = (this->select_index + 1) % location_list.size();

}

this->next_index = this->select_index;

this->color.setHsb(ofRandom(4) * 64, 150, 255);

}

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

void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list, uint64_t frame_number) {

if (frame_number % frame_span == 0) {

auto tmp_index = this->select_index;

this->select_index = this->next_index;

int retry = next_index_list[this->select_index].size();

this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];

while (--retry > 0) {

auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);

if (destination_itr == destination_list.end()) {

if (tmp_index != this->next_index) {

destination_list.push_back(this->next_index);

break;

}

this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];

}

if (retry <= 0) {

destination_list.push_back(this->select_index);

this->next_index = this->select_index;

}

auto param = frame_number % frame_span;

auto distance = location_list[this->next_index] - location_list[this->select_index];

this->location = location_list[this->select_index] + distance / frame_span * param;

this->log.push_front(this->location);

while (this->log.size() > 60) { this->log.pop_back(); }

}

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

glm::vec3 Actor::getLocation() {

return this->location;

}

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

deque<glm::vec3> Actor::getLog() {

return this->log;

}

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetCircleResolution(60);

this->frame_number = 0;

auto span = 20;

for (int x = -320; x <= 320; x += span) {

for (int y = -320; y <= 320; y += span) {

this->location_list.push_back(glm::vec3(x, y, 0));

}

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

vector<int> next_index = vector<int>();

int index = -1;

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

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= span) {

next_index.push_back(index);

}

this->next_index_list.push_back(next_index);

}

for (int i = 0; i < 150; i++) {

this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));

}

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

void ofApp::update() {

int frame_span = 8;

int prev_index_size = 0;

if (ofGetFrameNum() % 160 < 120) {

frame_number++;

}

else {

return;

}

if (frame_number % frame_span == 0) {

prev_index_size = this->destination_list.size();

}

for (auto& actor : this->actor_list) {

actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list, frame_number);

}

if (prev_index_size != 0) {

this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);

}

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

void ofApp::draw() {

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

ofSetColor(39);

for (auto& actor : this->actor_list) {

for (auto& l : actor->getLog()) {

ofDrawCircle(l, 8);

}

for (auto& actor : this->actor_list) {

ofSetColor(actor->color);

for (auto& l : actor->getLog()) {

ofDrawCircle(l, 5);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230618

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