プログラミング de 落描き – ページ 48 – クリエイティブ・コーディングによる生成物とソース

2024年7月11日

Gradation arc.

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グラデーション・円弧。

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#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(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	int span = 0;
	for (int x = 90; x < ofGetWindowWidth(); x += 180) {

		for (int y = 90; y < ofGetWindowHeight(); y += 180) {

			ofPushMatrix();
			ofTranslate(x, y);

			auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

			ofColor color;
			for (int radius = 30; radius < 75; radius += 3) {

				ofMesh face, line;
				line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

				int start_deg = ofMap(ofNoise(noise_seed.x, radius * 0.02 + ofGetFrameNum() * 0.01), 0, 1, -360, 360);
				int deg_len = 30;

				color.setHsb((int)(ofMap(radius, 30, 75, 0, 255) + span) % 255, 255, 255);

				face.addVertex(glm::vec3());
				face.addColor(ofColor(color, 128));
				for (int deg = start_deg; deg < start_deg + deg_len; deg += 1) {

					face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
					face.addColor(ofColor(color, 64));

					line.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
					line.addColor(color);

					if (deg != start_deg) {

						face.addIndex(0);
						face.addIndex(face.getNumVertices() - 1);
						face.addIndex(face.getNumVertices() - 2);

						line.addIndex(line.getNumVertices() - 1);
						line.addIndex(line.getNumVertices() - 2);
					}
				}

				face.draw();
				line.draw();
			}

			ofPopMatrix();
			span += 20;
		}
	}
	
	/*
	int start = 50;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

int span = 0;

for (int x = 90; x < ofGetWindowWidth(); x += 180) {

for (int y = 90; y < ofGetWindowHeight(); y += 180) {

ofPushMatrix();

ofTranslate(x, y);

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

ofColor color;

for (int radius = 30; radius < 75; radius += 3) {

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

int start_deg = ofMap(ofNoise(noise_seed.x, radius * 0.02 + ofGetFrameNum() * 0.01), 0, 1, -360, 360);

int deg_len = 30;

color.setHsb((int)(ofMap(radius, 30, 75, 0, 255) + span) % 255, 255, 255);

face.addVertex(glm::vec3());

face.addColor(ofColor(color, 128));

for (int deg = start_deg; deg < start_deg + deg_len; deg += 1) {

face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

face.addColor(ofColor(color, 64));

line.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

line.addColor(color);

if (deg != start_deg) {

face.addIndex(0);

face.addIndex(face.getNumVertices() - 1);

face.addIndex(face.getNumVertices() - 2);

line.addIndex(line.getNumVertices() - 1);

line.addIndex(line.getNumVertices() - 2);

}

face.draw();

line.draw();

}

ofPopMatrix();

span += 20;

}

int start = 50;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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https://github.com/junkiyoshi/Insta20240711

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2024年7月10日2024年7月10日

Arcs.

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[ About ]
円弧。

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#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(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);
}

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

	ofSeedRandom(39);
}

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

	for (int x = 90; x < ofGetWindowWidth(); x += 180) {

		for (int y = 90; y < ofGetWindowHeight(); y += 180) {

			ofPushMatrix();
			ofTranslate(x, y);

			auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

			for (int radius = 30; radius < 75; radius += 6) {

				ofMesh face, line;
				line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

				int start_deg = ofMap(ofNoise(noise_seed.x, radius * 0.02 + ofGetFrameNum() * 0.015), 0, 1, 0, 360);
				int deg_len = ofMap(ofNoise(noise_seed.y, radius * 0.02 + ofGetFrameNum() * 0.015), 0, 1, -240, 240);

				face.addVertex(glm::vec3());
				face.addColor(ofColor(255, 32));
				for (int deg = start_deg; deg < start_deg + deg_len; deg += 2) {

					face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
					face.addColor(ofColor(255, 64));

					line.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
					line.addColor(255);

					if (deg != start_deg) {

						face.addIndex(0);
						face.addIndex(face.getNumVertices() - 1);
						face.addIndex(face.getNumVertices() - 2);

						line.addIndex(line.getNumVertices() - 1);
						line.addIndex(line.getNumVertices() - 2);
					}
				}

				face.draw();
				line.draw();
			}

			ofPopMatrix();
		}
	}
	
	/*
	int start = 50;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int x = 90; x < ofGetWindowWidth(); x += 180) {

for (int y = 90; y < ofGetWindowHeight(); y += 180) {

ofPushMatrix();

ofTranslate(x, y);

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

for (int radius = 30; radius < 75; radius += 6) {

ofMesh face, line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

int start_deg = ofMap(ofNoise(noise_seed.x, radius * 0.02 + ofGetFrameNum() * 0.015), 0, 1, 0, 360);

int deg_len = ofMap(ofNoise(noise_seed.y, radius * 0.02 + ofGetFrameNum() * 0.015), 0, 1, -240, 240);

face.addVertex(glm::vec3());

face.addColor(ofColor(255, 32));

for (int deg = start_deg; deg < start_deg + deg_len; deg += 2) {

face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

face.addColor(ofColor(255, 64));

line.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

line.addColor(255);

if (deg != start_deg) {

face.addIndex(0);

face.addIndex(face.getNumVertices() - 1);

face.addIndex(face.getNumVertices() - 2);

line.addIndex(line.getNumVertices() - 1);

line.addIndex(line.getNumVertices() - 2);

}

face.draw();

line.draw();

}

ofPopMatrix();

}

int start = 50;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240710

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2024年7月9日

Rainbow rings.

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[ About ]
虹輪。

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#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<float> radius_list;
	vector<float> speed_list;
	vector<float> max_radius_list;
	vector<ofColor> color_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<float> radius_list;

vector<float> speed_list;

vector<float> max_radius_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	for (int i = 0; i < 8; i++) {

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

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

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

		if (this->radius_list[i] > 0) {

			this->radius_list[i] += this->speed_list[i] * 2;
		}
		else {

			this->radius_list[i] += this->speed_list[i] * 60;
		}

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


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

		auto noise_location = glm::vec2(
			ofMap(ofNoise(this->noise_seed_list[i].x, ofGetFrameNum() * 0.005), 0, 1, -400, 400),
			ofMap(ofNoise(this->noise_seed_list[i].y, ofGetFrameNum() * 0.005), 0, 1, -400, 400));
		auto location = noise_location + glm::vec2(ofRandom(-30, 30), ofRandom(-30, 30));

		this->location_list.push_back(location);
		this->radius_list.push_back(ofRandom(-600, -300));
		this->speed_list.push_back(ofRandom(0.3, 0.5));
		this->max_radius_list.push_back(ofRandom(15, 40));

		auto span = 360 / this->noise_seed_list.size();
		auto random_start = i * span;
		auto random_end = i * span + span;

		color.setHsb(ofRandom(random_start, random_end), 200, 255);
		this->color_list.push_back(color);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		if (this->radius_list[i] > 0) {

			auto alpha = this->radius_list[i] < this->max_radius_list[i] * 0.8 ? 255 : ofMap(this->radius_list[i], this->max_radius_list[i] * 0.8, this->max_radius_list[i], 255, 64);
			ofSetColor(this->color_list[i], alpha);

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

			ofSetColor(this->color_list[i], 64);

			ofFill();
			ofDrawCircle(this->location_list[i], this->radius_list[i]);
		}
		else {

			/*
			auto alpha = ofMap(this->radius_list[i], -600, 0, 64, 255);
			ofSetColor(this->color_list[i], alpha);

			ofNoFill();
			ofDrawLine(glm::vec3(this->location_list[i], this->radius_list[i]), glm::vec3(this->location_list[i], this->radius_list[i] - 60));
			*/
		}
	}

	/*
	int start = 500;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

for (int i = 0; i < 8; i++) {

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

}

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

void ofApp::update() {

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

if (this->radius_list[i] > 0) {

this->radius_list[i] += this->speed_list[i] * 2;

}

else {

this->radius_list[i] += this->speed_list[i] * 60;

}

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);

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

}

ofColor color;

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

auto noise_location = glm::vec2(

ofMap(ofNoise(this->noise_seed_list[i].x, ofGetFrameNum() * 0.005), 0, 1, -400, 400),

ofMap(ofNoise(this->noise_seed_list[i].y, ofGetFrameNum() * 0.005), 0, 1, -400, 400));

auto location = noise_location + glm::vec2(ofRandom(-30, 30), ofRandom(-30, 30));

this->location_list.push_back(location);

this->radius_list.push_back(ofRandom(-600, -300));

this->speed_list.push_back(ofRandom(0.3, 0.5));

this->max_radius_list.push_back(ofRandom(15, 40));

auto span = 360 / this->noise_seed_list.size();

auto random_start = i * span;

auto random_end = i * span + span;

color.setHsb(ofRandom(random_start, random_end), 200, 255);

this->color_list.push_back(color);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

if (this->radius_list[i] > 0) {

auto alpha = this->radius_list[i] < this->max_radius_list[i] * 0.8 ? 255 : ofMap(this->radius_list[i], this->max_radius_list[i] * 0.8, this->max_radius_list[i], 255, 64);

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

ofNoFill();

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

ofSetColor(this->color_list[i], 64);

ofFill();

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

}

else {

auto alpha = ofMap(this->radius_list[i], -600, 0, 64, 255);

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

ofNoFill();

ofDrawLine(glm::vec3(this->location_list[i], this->radius_list[i]), glm::vec3(this->location_list[i], this->radius_list[i] - 60));

}

int start = 500;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240709

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2024年11月
月	火	水	木	金	土	日
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