circle – ページ 26 – プログラミング de 落描き

2022年9月10日

Shoting circles. Draw by openFrameworks

[ Video ]

[ About ]
放射状に円を放つ。

[ 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> location_list;
	vector<float> radius_list;
	vector<float> speed_list;
	vector<float> max_radius_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> location_list;

vector<float> radius_list;

vector<float> speed_list;

vector<float> max_radius_list;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetColor(255);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	int base_radius = (ofGetFrameNum() * 2) % 420 + 60;

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

		this->radius_list[i] += this->speed_list[i];

		if (this->radius_list[i] > this->max_radius_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->radius_list.erase(this->radius_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_radius_list.erase(this->max_radius_list.begin() + i);
		}
	}

	for (int i = 0; i < 24; i++) {

		int deg = ofGetFrameNum() + i * 36;
		int radius = (int)(ofGetFrameNum() * 3 + i * 30 + ofRandom(-10, 10)) % 600;

		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		this->location_list.push_back(location);
		this->radius_list.push_back(1);
		this->speed_list.push_back(ofRandom(0.2, 1.5));
		this->max_radius_list.push_back(ofRandom(5, ofMap(radius, 0, 600, 10, 60)));
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofSetColor(255, ofMap(this->radius_list[i], 1, this->max_radius_list[i], 255, 30));
		ofDrawCircle(this->location_list[i], this->radius_list[i]);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetColor(255);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

int base_radius = (ofGetFrameNum() * 2) % 420 + 60;

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

this->radius_list[i] += this->speed_list[i];

if (this->radius_list[i] > this->max_radius_list[i]) {

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

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

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

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

}

for (int i = 0; i < 24; i++) {

int deg = ofGetFrameNum() + i * 36;

int radius = (int)(ofGetFrameNum() * 3 + i * 30 + ofRandom(-10, 10)) % 600;

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

this->location_list.push_back(location);

this->radius_list.push_back(1);

this->speed_list.push_back(ofRandom(0.2, 1.5));

this->max_radius_list.push_back(ofRandom(5, ofMap(radius, 0, 600, 10, 60)));

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

ofSetColor(255, ofMap(this->radius_list[i], 1, this->max_radius_list[i], 255, 30));

ofDrawCircle(this->location_list[i], this->radius_list[i]);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220910

2022年9月2日

Circles tornado. Draw by openFrameworks

[ Video ]

[ About ]
円を回転させる。

[ 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) {};

	float random_seed;
	vector<glm::vec2> location_list;
	vector<float> radus_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) {};

float random_seed;

vector<glm::vec2> location_list;

vector<float> radus_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");
	
	ofBackground(0);
	ofSetColor(255);
	ofNoFill();
	ofSetCircleResolution(72);

	this->random_seed = ofRandom(1000);
}

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

	ofSeedRandom(this->random_seed);
}

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

	ofPushMatrix();
	ofTranslate(ofGetWindowSize() * 0.5);

	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(255, 0, 0));
	color_palette.push_back(ofColor(0, 255, 0));
	color_palette.push_back(ofColor(0, 0, 255));
	color_palette.push_back(ofColor(255, 255, 0));
	color_palette.push_back(ofColor(255, 0, 255));
	color_palette.push_back(ofColor(0, 255, 255));

	auto number_of_sphere = 150;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));
		auto radius = ofRandom(8, 70);
		bool flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(location);
			radius_list.push_back(radius);
		}
	}

	int count = 0;
	while (true) {

		auto all = true;

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

			auto flag = true;
			for (int k = 0; k < location_list.size(); k++) {

				if (i == k) { continue; }

				if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) {

					flag = false;
				}
			}

			if (flag) {

				radius_list[i] += 1;
				all = false;
				break;
			}
		}

		if (all) {

			break;
		}

		count++;
	}

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

		ofPushMatrix();
		ofTranslate(location_list[i]);

		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		for (int radius = 8; radius <= radius_list[i]; radius += 4) {
		
			auto noise_param = glm::vec3(
				ofNoise(noise_seed.x, ofGetFrameNum() * 0.0025 + radius * 0.0003),
				ofNoise(noise_seed.y, ofGetFrameNum() * 0.0025 + radius * 0.0003),
				ofNoise(noise_seed.z, ofGetFrameNum() * 0.0025 + radius * 0.0003));

			ofRotateZ(noise_param.z < 0.45 ? ofMap(noise_param.z, 0, 0.45, -360, 0) : noise_param.z > 0.65 ? ofMap(noise_param.z, 0.65, 1, 0, 360) : 0);
			ofRotateY(noise_param.y < 0.45 ? ofMap(noise_param.y, 0, 0.45, -360, 0) : noise_param.y > 0.65 ? ofMap(noise_param.y, 0.65, 1, 0, 360) : 0);
			ofRotateX(noise_param.x < 0.45 ? ofMap(noise_param.x, 0, 0.45, -360, 0) : noise_param.x > 0.65 ? ofMap(noise_param.x, 0.65, 1, 0, 360) : 0);

			ofDrawCircle(glm::vec2(), radius);
		}

		ofPopMatrix();
	}

	ofPopMatrix();

}


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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetColor(255);

ofNoFill();

ofSetCircleResolution(72);

this->random_seed = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

ofPushMatrix();

ofTranslate(ofGetWindowSize() * 0.5);

vector<ofColor> color_palette;

color_palette.push_back(ofColor(255, 0, 0));

color_palette.push_back(ofColor(0, 255, 0));

color_palette.push_back(ofColor(0, 0, 255));

color_palette.push_back(ofColor(255, 255, 0));

color_palette.push_back(ofColor(255, 0, 255));

color_palette.push_back(ofColor(0, 255, 255));

auto number_of_sphere = 150;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));

auto radius = ofRandom(8, 70);

bool flag = true;

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

if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

flag = false;

break;

}

if (flag) {

location_list.push_back(location);

radius_list.push_back(radius);

}

int count = 0;

while (true) {

auto all = true;

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

auto flag = true;

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

if (i == k) { continue; }

if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) {

flag = false;

}

if (flag) {

radius_list[i] += 1;

all = false;

break;

}

if (all) {

break;

}

count++;

}

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

ofPushMatrix();

ofTranslate(location_list[i]);

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (int radius = 8; radius <= radius_list[i]; radius += 4) {

auto noise_param = glm::vec3(

ofNoise(noise_seed.x, ofGetFrameNum() * 0.0025 + radius * 0.0003),

ofNoise(noise_seed.y, ofGetFrameNum() * 0.0025 + radius * 0.0003),

ofNoise(noise_seed.z, ofGetFrameNum() * 0.0025 + radius * 0.0003));

ofRotateZ(noise_param.z < 0.45 ? ofMap(noise_param.z, 0, 0.45, -360, 0) : noise_param.z > 0.65 ? ofMap(noise_param.z, 0.65, 1, 0, 360) : 0);

ofRotateY(noise_param.y < 0.45 ? ofMap(noise_param.y, 0, 0.45, -360, 0) : noise_param.y > 0.65 ? ofMap(noise_param.y, 0.65, 1, 0, 360) : 0);

ofRotateX(noise_param.x < 0.45 ? ofMap(noise_param.x, 0, 0.45, -360, 0) : noise_param.x > 0.65 ? ofMap(noise_param.x, 0.65, 1, 0, 360) : 0);

ofDrawCircle(glm::vec2(), radius);

}

ofPopMatrix();

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220902

2022年9月1日

Bridge connecting circles. Draw by openFrameworks

[ Video ]

[ About ]
円を結ぶ。

[ 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) {};

	float random_seed;
	vector<glm::vec2> location_list;
	vector<float> radus_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) {};

float random_seed;

vector<glm::vec2> location_list;

vector<float> radus_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(160, 216, 239);
	ofNoFill();
	ofSetLineWidth(2);
	ofSetCircleResolution(72);
	this->random_seed = ofRandom(1000);
}

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

	if (ofGetFrameNum() % 60 < 5) {

		this->random_seed = ofRandom(1000);
	}
	
	ofSeedRandom(this->random_seed);
}

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

	ofPushMatrix();
	ofTranslate(ofGetWindowSize() * 0.5);

	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(255, 0, 0));
	color_palette.push_back(ofColor(0, 255, 0));
	color_palette.push_back(ofColor(0, 0, 255));
	color_palette.push_back(ofColor(255, 255, 0));
	color_palette.push_back(ofColor(255, 0, 255));
	color_palette.push_back(ofColor(0, 255, 255));

	auto number_of_sphere = 200;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));
		auto radius = ofRandom(8, 50);
		bool flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(location);
			radius_list.push_back(radius);
		}
	}

	ofSetColor(239, 238, 228);
	ofSetColor(103, 116, 124);
	int count = 0;
	while (true) {

		auto all = true;

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

			auto flag = true;
			for (int k = 0; k < location_list.size(); k++) {

				if (i == k) { continue; }
				                

				if (glm::distance(location_list[i], location_list[k]) <= (radius_list[i] + radius_list[k])) {

					ofSetLineWidth(1);
					ofDrawLine(location_list[i], location_list[k]);
					flag = false;
				}
			}

			if (flag) {

				radius_list[i] += 1;
				all = false;
				break;
			}
		}

		if (all) {

			break;
		}

		count++;
	}

	for (int i = 0; i < location_list.size(); i++) {
	
		auto param = ofGetFrameNum() % 60 < 5 ? 0.2 : ofGetFrameNum() % 60 < 15 ? ofMap(ofGetFrameNum() % 60, 5, 15, 0.2, 0.7) : 0.7;

		ofSetLineWidth(3);
		ofSetColor(239, 238, 228);
		ofNoFill();
		ofDrawCircle(location_list[i], radius_list[i] * param);

		ofSetColor(103, 116, 124);
		ofFill();
		ofDrawCircle(location_list[i], 5);
	}

	ofPopMatrix();

}


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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(160, 216, 239);

ofNoFill();

ofSetLineWidth(2);

ofSetCircleResolution(72);

this->random_seed = ofRandom(1000);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 60 < 5) {

this->random_seed = ofRandom(1000);

}

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

ofPushMatrix();

ofTranslate(ofGetWindowSize() * 0.5);

vector<ofColor> color_palette;

color_palette.push_back(ofColor(255, 0, 0));

color_palette.push_back(ofColor(0, 255, 0));

color_palette.push_back(ofColor(0, 0, 255));

color_palette.push_back(ofColor(255, 255, 0));

color_palette.push_back(ofColor(255, 0, 255));

color_palette.push_back(ofColor(0, 255, 255));

auto number_of_sphere = 200;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));

auto radius = ofRandom(8, 50);

bool flag = true;

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

if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

flag = false;

break;

}

if (flag) {

location_list.push_back(location);

radius_list.push_back(radius);

}

ofSetColor(239, 238, 228);

ofSetColor(103, 116, 124);

int count = 0;

while (true) {

auto all = true;

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

auto flag = true;

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

if (i == k) { continue; }

if (glm::distance(location_list[i], location_list[k]) <= (radius_list[i] + radius_list[k])) {

ofSetLineWidth(1);

ofDrawLine(location_list[i], location_list[k]);

flag = false;

}

if (flag) {

radius_list[i] += 1;

all = false;

break;

}

if (all) {

break;

}

count++;

}

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

auto param = ofGetFrameNum() % 60 < 5 ? 0.2 : ofGetFrameNum() % 60 < 15 ? ofMap(ofGetFrameNum() % 60, 5, 15, 0.2, 0.7) : 0.7;

ofSetLineWidth(3);

ofSetColor(239, 238, 228);

ofNoFill();

ofDrawCircle(location_list[i], radius_list[i] * param);

ofSetColor(103, 116, 124);

ofFill();

ofDrawCircle(location_list[i], 5);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220901

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