2023年8月 – プログラミング de 落描き

2023年8月31日2023年8月31日

Spheres. Draw by openFrameworks

[ Video ]

[ About ]
球体たち。

[ 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) {};

	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(30);
	ofSetWindowTitle("openFrameworks");

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

	ofSetCircleResolution(60);
}


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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	ofRotateY(ofGetFrameNum() * 2);

	ofNoFill();
	ofSetColor(0);
	ofDrawCircle(glm::vec2(), 250);

	ofRotateX(25);

	auto radius = 200;
	for (int i = 0; i < 64; i++) {
		
		ofRotateZ(ofRandom(360));
		ofRotateY(ofRandom(360));
		ofRotateX(ofRandom(360));

		auto deg_start = ofRandom(360) + ofGetFrameNum() * 5;
		for (int deg = deg_start; deg < deg_start + 30; deg++) {

			ofFill();
			ofSetColor(39, ofMap(deg, deg_start, deg_start + 30, 0, 255));

			ofDrawSphere(radius * cos(deg * DEG_TO_RAD), 0, radius * sin(deg * DEG_TO_RAD), 5);
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(5);

ofEnableDepthTest();

ofSetCircleResolution(60);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 2);

ofNoFill();

ofSetColor(0);

ofDrawCircle(glm::vec2(), 250);

ofRotateX(25);

auto radius = 200;

for (int i = 0; i < 64; i++) {

ofRotateZ(ofRandom(360));

ofRotateY(ofRandom(360));

ofRotateX(ofRandom(360));

auto deg_start = ofRandom(360) + ofGetFrameNum() * 5;

for (int deg = deg_start; deg < deg_start + 30; deg++) {

ofFill();

ofSetColor(39, ofMap(deg, deg_start, deg_start + 30, 0, 255));

ofDrawSphere(radius * cos(deg * DEG_TO_RAD), 0, radius * sin(deg * DEG_TO_RAD), 5);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230831

2023年8月30日

Changing color. Draw by openFrameworks

[ Video ]

[ About ]
色変え。

[ 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> noise_seed_list;
	vector<glm::vec2> location_list;
	vector<glm::vec2> velocity_list;
	vector<ofColor> color_list;
	vector<float> size_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> noise_seed_list;

vector<glm::vec2> location_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

vector<float> size_list;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetCircleResolution(60);

	for (int i = 0; i < 1; i++) {

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

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

	int index = 0;
	auto radius = 30;
	ofColor color;
	for (auto& noise_seed : this->noise_seed_list) {

		auto location = glm::vec2(
			ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0085), 0, 1, -320, 320),
			ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0085), 0, 1, -320, 320)
		);
		auto next = glm::vec2(
			ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -320, 320),
			ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -320, 320)
		);


		auto distance = location - next;
		distance *= 1;

		for (int i = 0; i < 18; i++) {

			auto future = location + distance * 8;
			auto random_deg = ofRandom(360);
			future += glm::vec2(30 * cos(random_deg * DEG_TO_RAD), 30 * sin(random_deg * DEG_TO_RAD));
			auto future_distance = future - location;

			this->location_list.push_back(location);
			this->velocity_list.push_back(glm::normalize(future_distance) * 5);
			this->size_list.push_back(ofRandom(2, 6));

			color.setHsb(ofGetFrameNum() % 255, 200, 255);
			this->color_list.push_back(color);
		}

		index++;
	}

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

		this->location_list[i] += this->velocity_list[i];
		this->velocity_list[i] *= 1.01;
		this->size_list[i] *= 1.02;

		this->color_list[i].setHue((int)(this->color_list[i].getHue() + 2) % 255);

		if (glm::distance(glm::vec2(), this->location_list[i]) > 1000) {

			this->location_list.erase(this->location_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->size_list.erase(this->size_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int index = 0;
	for (auto& location : this->location_list) {

		ofSetColor(255, this->color_list[index].getBrightness());

		ofPushMatrix();
		ofTranslate(location);

		ofDrawCircle(glm::vec2(), this->size_list[index] * 1.3);

		ofPopMatrix();

		index++;
	}

	index = 0;
	for (auto& location : this->location_list) {

		ofSetColor(this->color_list[index]);

		ofPushMatrix();
		ofTranslate(location);

		ofDrawCircle(glm::vec2(), this->size_list[index++]);

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
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(39);

ofSetCircleResolution(60);

for (int i = 0; i < 1; i++) {

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

}

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

void ofApp::update() {

int index = 0;

auto radius = 30;

ofColor color;

for (auto& noise_seed : this->noise_seed_list) {

auto location = glm::vec2(

ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0085), 0, 1, -320, 320),

ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0085), 0, 1, -320, 320)

);

auto next = glm::vec2(

ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -320, 320),

ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -320, 320)

);

auto distance = location - next;

distance *= 1;

for (int i = 0; i < 18; i++) {

auto future = location + distance * 8;

auto random_deg = ofRandom(360);

future += glm::vec2(30 * cos(random_deg * DEG_TO_RAD), 30 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->location_list.push_back(location);

this->velocity_list.push_back(glm::normalize(future_distance) * 5);

this->size_list.push_back(ofRandom(2, 6));

color.setHsb(ofGetFrameNum() % 255, 200, 255);

this->color_list.push_back(color);

}

index++;

}

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

this->location_list[i] += this->velocity_list[i];

this->velocity_list[i] *= 1.01;

this->size_list[i] *= 1.02;

this->color_list[i].setHue((int)(this->color_list[i].getHue() + 2) % 255);

if (glm::distance(glm::vec2(), this->location_list[i]) > 1000) {

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

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

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int index = 0;

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

ofSetColor(255, this->color_list[index].getBrightness());

ofPushMatrix();

ofTranslate(location);

ofDrawCircle(glm::vec2(), this->size_list[index] * 1.3);

ofPopMatrix();

index++;

}

index = 0;

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

ofSetColor(this->color_list[index]);

ofPushMatrix();

ofTranslate(location);

ofDrawCircle(glm::vec2(), this->size_list[index++]);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230830

2023年8月29日

Random walker. Draw by openFrameworks

[ Video ]

[ About ]
ランダム・ウォーカー。

[ 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> noise_seed_list;
	vector<glm::vec2> location_list;
	vector<glm::vec2> velocity_list;
	vector<ofColor> color_list;
	vector<float> size_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> noise_seed_list;

vector<glm::vec2> location_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

vector<float> size_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetCircleResolution(60);

	for (int i = 0; i < 2; i++) {

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

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

	int index = 0;
	auto radius = 30;
	ofColor color;
	for (auto& noise_seed : this->noise_seed_list) {

		auto location = glm::vec2(
			ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0085), 0, 1, -320, 320),
			ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0085), 0, 1, -320, 320)
		);
		auto next = glm::vec2(
			ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -320, 320),
			ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -320, 320)
		);


		auto distance = location - next;
		distance *= 1;

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

			auto future = location + distance * 8;
			auto random_deg = ofRandom(360);
			future += glm::vec2(10 * cos(random_deg * DEG_TO_RAD), 10 * sin(random_deg * DEG_TO_RAD));
			auto future_distance = future - location;

			this->location_list.push_back(location);
			this->velocity_list.push_back(glm::normalize(future_distance) * 5);
			this->size_list.push_back(ofRandom(5, 10));

			color.setHsb((int)ofRandom(180 + index * 128, 255 + index * 128) % 255, 200, 255);
			this->color_list.push_back(color);
		}

		index++;
	}

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

		this->location_list[i] += this->velocity_list[i];
		this->velocity_list[i] *= 1.01;
		this->size_list[i] *= 1.01;

		if (this->color_list[i].getBrightness() > 0) { this->color_list[i].setBrightness(this->color_list[i].getBrightness() - 3); }

		if (glm::distance(glm::vec2(), this->location_list[i]) > 1000) {

			this->location_list.erase(this->location_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->size_list.erase(this->size_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}
	}

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int index = 0;
	for (auto& location : this->location_list) {

		ofSetColor(255, this->color_list[index].getBrightness());

		ofPushMatrix();
		ofTranslate(location);

		ofDrawCircle(glm::vec2(), this->size_list[index] * 1.3);

		ofPopMatrix();

		index++;
	}

	index = 0;
	for (auto& location : this->location_list) {

		ofSetColor(this->color_list[index]);

		ofPushMatrix();
		ofTranslate(location);

		ofDrawCircle(glm::vec2(), this->size_list[index++]);

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
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(239);

ofSetCircleResolution(60);

for (int i = 0; i < 2; i++) {

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

}

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

void ofApp::update() {

int index = 0;

auto radius = 30;

ofColor color;

for (auto& noise_seed : this->noise_seed_list) {

auto location = glm::vec2(

ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.0085), 0, 1, -320, 320),

ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.0085), 0, 1, -320, 320)

);

auto next = glm::vec2(

ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -320, 320),

ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.0085), 0, 1, -320, 320)

);

auto distance = location - next;

distance *= 1;

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

auto future = location + distance * 8;

auto random_deg = ofRandom(360);

future += glm::vec2(10 * cos(random_deg * DEG_TO_RAD), 10 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->location_list.push_back(location);

this->velocity_list.push_back(glm::normalize(future_distance) * 5);

this->size_list.push_back(ofRandom(5, 10));

color.setHsb((int)ofRandom(180 + index * 128, 255 + index * 128) % 255, 200, 255);

this->color_list.push_back(color);

}

index++;

}

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

this->location_list[i] += this->velocity_list[i];

this->velocity_list[i] *= 1.01;

this->size_list[i] *= 1.01;

if (this->color_list[i].getBrightness() > 0) { this->color_list[i].setBrightness(this->color_list[i].getBrightness() - 3); }

if (glm::distance(glm::vec2(), this->location_list[i]) > 1000) {

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

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

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int index = 0;

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

ofSetColor(255, this->color_list[index].getBrightness());

ofPushMatrix();

ofTranslate(location);

ofDrawCircle(glm::vec2(), this->size_list[index] * 1.3);

ofPopMatrix();

index++;

}

index = 0;

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

ofSetColor(this->color_list[index]);

ofPushMatrix();

ofTranslate(location);

ofDrawCircle(glm::vec2(), this->size_list[index++]);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230829

2023年8月
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