openFrameworks – ページ 357 – プログラミング de 落描き

2022年11月23日

Circle of gradation. Draw by openFrameworks

[ Video ]

[ About ]
グラデーションの円。

[ 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(0);
}

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

	
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto radius_span = 20;
	auto len = 600;
	ofColor color;

	ofSeedRandom(39);
	for (int radius = 60; radius <= 320; radius += radius_span) {

		auto noise_seed = ofRandom(1000);
		for (int i = 0; i < len; i++) {

			auto deg = ofMap(ofNoise(noise_seed, i * 0.00035 - ofGetFrameNum() * 0.0025), 0, 1, -360, 360);
			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		
			ofNoFill();
			ofSetColor(255);
			ofDrawCircle(location, radius_span * 0.3 + 1);
		}
	
	}

	ofSeedRandom(39);
	for (int radius = 60; radius <= 320; radius += radius_span) {

		auto noise_seed = ofRandom(1000);
		auto hue = ofMap(radius, 60, 320, 0, 255);
		for (int i = 0; i < len; i++) {

			auto deg = ofMap(ofNoise(noise_seed, i * 0.00035 - ofGetFrameNum() * 0.0025), 0, 1, -360, 360);
			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

			color.setHsb((int)(hue + i * 0.1) % 255, 200, 255);

			ofFill();
			ofSetColor(color);
			ofDrawCircle(location, radius_span * 0.3);
		}

	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto radius_span = 20;

auto len = 600;

ofColor color;

ofSeedRandom(39);

for (int radius = 60; radius <= 320; radius += radius_span) {

auto noise_seed = ofRandom(1000);

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

auto deg = ofMap(ofNoise(noise_seed, i * 0.00035 - ofGetFrameNum() * 0.0025), 0, 1, -360, 360);

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

ofNoFill();

ofSetColor(255);

ofDrawCircle(location, radius_span * 0.3 + 1);

}

ofSeedRandom(39);

for (int radius = 60; radius <= 320; radius += radius_span) {

auto noise_seed = ofRandom(1000);

auto hue = ofMap(radius, 60, 320, 0, 255);

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

auto deg = ofMap(ofNoise(noise_seed, i * 0.00035 - ofGetFrameNum() * 0.0025), 0, 1, -360, 360);

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

color.setHsb((int)(hue + i * 0.1) % 255, 200, 255);

ofFill();

ofSetColor(color);

ofDrawCircle(location, radius_span * 0.3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221123

2022年11月22日

Vortex. Draw by openFrameworks

[ Video ]

[ About ]
渦。

[ 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(0);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofColor color;
	for (float base_deg = 0; base_deg < 360; base_deg += 1) {

		vector<glm::vec2> vertices;
		auto base_radius = ofRandom(720);
		auto speed = ofRandom(3, 5);
		auto deg_speed = ofRandom(2, 6);

		for (int i = 0; i < ofMap(deg_speed, 2, 6, 30, 10); i++) {

			auto deg = base_deg + (ofGetFrameNum() + i) * deg_speed;
			auto radius = 800 - (int)(base_radius + (ofGetFrameNum() + i) * speed) % 800;
			if (radius < 100) { radius = 100; }
			auto vertex = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

			if (i > 0 && glm::distance(vertex, vertices.back()) > 100) {

				continue;
			}
			vertices.push_back(vertex);
		}
		
		color.setHsb(ofRandom(255), 80, 255);
		ofSetColor(color);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofColor color;

for (float base_deg = 0; base_deg < 360; base_deg += 1) {

vector<glm::vec2> vertices;

auto base_radius = ofRandom(720);

auto speed = ofRandom(3, 5);

auto deg_speed = ofRandom(2, 6);

for (int i = 0; i < ofMap(deg_speed, 2, 6, 30, 10); i++) {

auto deg = base_deg + (ofGetFrameNum() + i) * deg_speed;

auto radius = 800 - (int)(base_radius + (ofGetFrameNum() + i) * speed) % 800;

if (radius < 100) { radius = 100; }

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

if (i > 0 && glm::distance(vertex, vertices.back()) > 100) {

continue;

}

vertices.push_back(vertex);

}

color.setHsb(ofRandom(255), 80, 255);

ofSetColor(color);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221122

2022年11月21日

Burning sphere. Draw by openFrameworks

[ Video ]

[ About ]
バーニング・スフィア

[ 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) {};

	ofEasyCam cam;

	vector<glm::vec3> base_location_list;
	vector<ofColor> base_color_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) {};

ofEasyCam cam;

vector<glm::vec3> base_location_list;

vector<ofColor> base_color_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);
	ofNoFill();
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	ofColor color;
	vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };

	for (auto hex : hex_list) {

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

	auto ico_sphere = ofIcoSpherePrimitive(300, 7);
	for (auto& vertex : ico_sphere.getMeshPtr()->getVertices()) {

		this->base_location_list.push_back(vertex);
	}

}

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

	int radius = 5;
	while (this->log_list.size() < 8000) {

		int font_location_index = ofRandom(this->base_location_list.size());
		vector<glm::vec3> log;
		log.push_back(this->base_location_list[font_location_index]);
		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(10, 60));
	}

	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::vec4(this->log_list[i].back() * 0.004, ofGetFrameNum() * 0.00003)), 0, 1, -360, 360);
		auto theta = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.004, (ofGetFrameNum() + 10000) * 0.00003)), 0, 1, -360, 360);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * cos(theta * DEG_TO_RAD)));
		while (this->log_list[i].size() > 100) {

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

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

	this->cam.begin();
	ofRotateX(270);
	ofRotateZ(ofGetFrameNum() * 0.333333);
	
	for (int i = 0; i < this->log_list.size(); i++) {

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 30) {

			ofSetLineWidth(1.5);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));
		}

		ofSetColor(ofColor(this->color_list[i], 200));

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

	this->cam.end();
}

//--------------------------------------------------------------
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);

ofNoFill();

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofColor color;

vector<int> hex_list = { 0xf72585, 0xb5179e, 0x7209b7, 0x480ca8, 0x3f37c9, 0x4cc9f0 };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

auto ico_sphere = ofIcoSpherePrimitive(300, 7);

for (auto& vertex : ico_sphere.getMeshPtr()->getVertices()) {

this->base_location_list.push_back(vertex);

}

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

void ofApp::update() {

int radius = 5;

while (this->log_list.size() < 8000) {

int font_location_index = ofRandom(this->base_location_list.size());

vector<glm::vec3> log;

log.push_back(this->base_location_list[font_location_index]);

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(10, 60));

}

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::vec4(this->log_list[i].back() * 0.004, ofGetFrameNum() * 0.00003)), 0, 1, -360, 360);

auto theta = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.004, (ofGetFrameNum() + 10000) * 0.00003)), 0, 1, -360, 360);

this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(radius * cos(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD) * sin(theta * DEG_TO_RAD), radius * cos(theta * DEG_TO_RAD)));

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofRotateZ(ofGetFrameNum() * 0.333333);

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 30) {

ofSetLineWidth(1.5);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));

}

ofSetColor(ofColor(this->color_list[i], 200));

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221121

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