プログラミング de 落描き – ページ 229 – クリエイティブ・コーディングによる生成物とソース

2022年6月12日2022年6月12日

Spinning. Draw by openFrameworks

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[ About ]
くるりんぱ。

Spinning.

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	ofColor color;
	float len = 5;
	bool flag = true;

	for (int x = -220; x <= 220; x += 220) {

		for (int y = -220; y <= 220; y += 220) {

			ofPushMatrix();
			ofTranslate(x, y);
			if (flag) {
			
				ofRotateY(ofGetFrameNum());
			}
			else {

				ofRotateX(ofGetFrameNum());
			}

			int hue = ofRandom(255);
			for (float radius = 15; radius <= 100; radius += len * 2) {

				ofRotateZ(ofRandom(360));
				ofRotateY(ofRandom(360));
				ofRotateX(ofRandom(360));

				vector<glm::vec2> vertices_1, vertices_2;
				float deg_start = ofRandom(360) + ofGetFrameNum() * ofRandom(3, 10);

				for (float deg = deg_start; deg < deg_start + 270; deg += 1) {

					vertices_1.push_back(glm::vec2((radius - len * 0.5) * cos(deg * DEG_TO_RAD), (radius - len * 0.5) * sin(deg * DEG_TO_RAD)));
					vertices_2.push_back(glm::vec2((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * sin(deg * DEG_TO_RAD)));
				}

				reverse(vertices_2.begin(), vertices_2.end());

				color.setHsb(hue, 150, 255);

				ofNoFill();
				ofSetColor(color);

				ofBeginShape();
				ofVertices(vertices_1);
				ofVertices(vertices_2);
				ofEndShape(true);

				hue = (hue + (int)ofRandom(20, 120)) % 255;
			}

			ofPopMatrix();
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(1.5);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofColor color;

float len = 5;

bool flag = true;

for (int x = -220; x <= 220; x += 220) {

for (int y = -220; y <= 220; y += 220) {

ofPushMatrix();

ofTranslate(x, y);

if (flag) {

ofRotateY(ofGetFrameNum());

}

else {

ofRotateX(ofGetFrameNum());

}

int hue = ofRandom(255);

for (float radius = 15; radius <= 100; radius += len * 2) {

ofRotateZ(ofRandom(360));

ofRotateY(ofRandom(360));

ofRotateX(ofRandom(360));

vector<glm::vec2> vertices_1, vertices_2;

float deg_start = ofRandom(360) + ofGetFrameNum() * ofRandom(3, 10);

for (float deg = deg_start; deg < deg_start + 270; deg += 1) {

vertices_1.push_back(glm::vec2((radius - len * 0.5) * cos(deg * DEG_TO_RAD), (radius - len * 0.5) * sin(deg * DEG_TO_RAD)));

vertices_2.push_back(glm::vec2((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * sin(deg * DEG_TO_RAD)));

}

reverse(vertices_2.begin(), vertices_2.end());

color.setHsb(hue, 150, 255);

ofNoFill();

ofSetColor(color);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

hue = (hue + (int)ofRandom(20, 120)) % 255;

}

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220612

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2022年6月11日

Noise × Circle × HSB. Draw by openFrameworks

[ Video ]

[ About ]
色のBlendmodeをSubtractにする。

Blend mode is subtract.

[ 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(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(255);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);
	ofNoFill();
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofColor color;
	for (float radius = 20; radius <= 290; radius += 90) {

		for (float hue = 0; hue < 256; hue += 8) {

			color.setHsb(hue, 200, 255);
			ofSetColor(color);

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

				auto base_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
				auto tmp_radius = ofMap(ofNoise(base_location.x * 0.05, base_location.y * 0.05, hue * 0.0015, ofGetFrameNum() * 0.005), 0, 1, radius * 0.8, radius * 1.3);
				ofVertex(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(true);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

ofNoFill();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofColor color;

for (float radius = 20; radius <= 290; radius += 90) {

for (float hue = 0; hue < 256; hue += 8) {

color.setHsb(hue, 200, 255);

ofSetColor(color);

ofBeginShape();

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

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

auto tmp_radius = ofMap(ofNoise(base_location.x * 0.05, base_location.y * 0.05, hue * 0.0015, ofGetFrameNum() * 0.005), 0, 1, radius * 0.8, radius * 1.3);

ofVertex(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220611

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2022年6月10日

Ameba packing. Draw by openFrameworks

[ Video ]

[ About ]
アメーバパッキング。

Ameba packing.

[ 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) {};

	void draw_circle_packing(glm::vec2, float, vector<ofColor>);

	ofEasyCam cam;

	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) {};

void draw_circle_packing(glm::vec2, float, vector<ofColor>);

ofEasyCam cam;

float random_seed;

vector<glm::vec2> location_list;

vector<float> radus_list;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofNoFill();
	ofSetCircleResolution(36);

	this->random_seed = ofRandom(1000);
}

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

	//if (ofGetFrameNum() % 180 < 5) {

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

	ofSeedRandom(this->random_seed);
}

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

	this->cam.begin();

	//// Day 228 Zenith Blue 
	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(134, 179, 224));
	color_palette.push_back(ofColor(251, 218, 205));
	color_palette.push_back(ofColor(234, 96, 148));

	this->draw_circle_packing(glm::vec2(), 340, color_palette);

	this->cam.end();

}

//--------------------------------------------------------------
void ofApp::draw_circle_packing(glm::vec2 location, float radius, vector<ofColor> color_palette) {

	auto number_of_sphere = radius * 0.8;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto tmp_deg = ofRandom(0, 360);
		auto noise_radius = ofMap(ofNoise(radius * cos(tmp_deg * DEG_TO_RAD) * 0.005, radius * sin(tmp_deg * DEG_TO_RAD) * 0.005, ofGetFrameNum() * 0.01), 0, 1, radius * 0.5, radius * 1.2);
		auto tmp_location_radius = ofRandom(1, noise_radius);
		
		auto tmp_location = glm::vec2(location.x + tmp_location_radius * cos(tmp_deg * DEG_TO_RAD), location.y + tmp_location_radius * sin(tmp_deg * DEG_TO_RAD));
		auto tmp_radius = ofRandom(radius * 0.003, radius * 0.22);

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

			if (glm::distance(tmp_location, location_list[i]) < tmp_radius + radius_list[i] + 1) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(tmp_location);
			radius_list.push_back(tmp_radius);

			ofPushMatrix();
			ofTranslate(tmp_location);

			int color_index = ofRandom(color_palette.size());

			ofFill();
			ofSetColor(color_palette[color_index], 100);
			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 1) {

				auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);
				ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(color_palette[color_index]);
			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 1) {

				auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);
				ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(true);

			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);

ofNoFill();

ofSetCircleResolution(36);

this->random_seed = ofRandom(1000);

}

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

void ofApp::update() {

//if (ofGetFrameNum() % 180 < 5) {

// this->random_seed = ofRandom(1000);

//}

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

this->cam.begin();

//// Day 228 Zenith Blue

vector<ofColor> color_palette;

color_palette.push_back(ofColor(134, 179, 224));

color_palette.push_back(ofColor(251, 218, 205));

color_palette.push_back(ofColor(234, 96, 148));

this->draw_circle_packing(glm::vec2(), 340, color_palette);

this->cam.end();

}

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

void ofApp::draw_circle_packing(glm::vec2 location, float radius, vector<ofColor> color_palette) {

auto number_of_sphere = radius * 0.8;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto tmp_deg = ofRandom(0, 360);

auto noise_radius = ofMap(ofNoise(radius * cos(tmp_deg * DEG_TO_RAD) * 0.005, radius * sin(tmp_deg * DEG_TO_RAD) * 0.005, ofGetFrameNum() * 0.01), 0, 1, radius * 0.5, radius * 1.2);

auto tmp_location_radius = ofRandom(1, noise_radius);

auto tmp_location = glm::vec2(location.x + tmp_location_radius * cos(tmp_deg * DEG_TO_RAD), location.y + tmp_location_radius * sin(tmp_deg * DEG_TO_RAD));

auto tmp_radius = ofRandom(radius * 0.003, radius * 0.22);

bool flag = true;

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

if (glm::distance(tmp_location, location_list[i]) < tmp_radius + radius_list[i] + 1) {

flag = false;

break;

}

if (flag) {

location_list.push_back(tmp_location);

radius_list.push_back(tmp_radius);

ofPushMatrix();

ofTranslate(tmp_location);

int color_index = ofRandom(color_palette.size());

ofFill();

ofSetColor(color_palette[color_index], 100);

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);

ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofNoFill();

ofSetColor(color_palette[color_index]);

ofBeginShape();

for (int deg = 0; deg < 360; deg += 1) {

auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);

ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220610

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