openFrameworks – ページ 5 – プログラミング de 落描き

2025年8月1日

Tornade junkiyoshi.com.

[ Video ]

[ About ]
トルネード junkiyoshi.com

[ 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;

	float font_size;
	ofTrueTypeFont font;
};

#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;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(1);
	ofEnableDepthTest();

	this->font_size = 80;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(90);

	string word = "junkiyoshi.com junkiyoshi.com junkiyoshi.com junkiyoshi.com junkiyoshi.com";
	int sample_count = 180;
	auto noise_param = ofRandom(1000);
	auto word_size = this->font.getStringBoundingBox(word, 0, 0);
	vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

	for (int word_index = 0; word_index < word_path.size(); word_index++) {

		vector<ofPolyline> outline = word_path[word_index].getOutline();

		ofSetColor(39);
		ofFill();
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
			for (auto& vertex : vertices) {

				auto location = vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 300);
				auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param, location.x * 0.00025 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
				location = glm::vec4(location, 0) * rotation;

				ofVertex(location);
			}
		}
		ofEndShape(true);

		ofSetColor(39);
		ofFill();
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
			for (auto& vertex : vertices) {

				auto location = vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, -300);
				auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param, location.x * 0.00025 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
				location = glm::vec4(location, 0) * rotation;

				ofVertex(location);
			}
		}
		ofEndShape(true);

		ofSetColor(255);
		ofNoFill();
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
			for (auto& vertex : vertices) {

				auto location = vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 300);
				auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param, location.x * 0.00025 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
				location = glm::vec4(location, 0) * rotation;

				ofVertex(location);
			}
		}
		ofEndShape(true);

		ofSetColor(255);
		ofNoFill();
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
			for (auto& vertex : vertices) {

				auto location = vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, -300);
				auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param, location.x * 0.00025 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
				location = glm::vec4(location, 0) * rotation;

				ofVertex(location);
			}
		}
		ofEndShape(true);
	}

	this->cam.end();

	/*
	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());
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetLineWidth(1);

ofEnableDepthTest();

this->font_size = 80;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(90);

string word = "junkiyoshi.com junkiyoshi.com junkiyoshi.com junkiyoshi.com junkiyoshi.com";

int sample_count = 180;

auto noise_param = ofRandom(1000);

auto word_size = this->font.getStringBoundingBox(word, 0, 0);

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

ofSetColor(39);

ofFill();

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 300);

auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param, location.x * 0.00025 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

location = glm::vec4(location, 0) * rotation;

ofVertex(location);

}

ofEndShape(true);

ofSetColor(39);

ofFill();

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, -300);

auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param, location.x * 0.00025 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

location = glm::vec4(location, 0) * rotation;

ofVertex(location);

}

ofEndShape(true);

ofSetColor(255);

ofNoFill();

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 300);

auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param, location.x * 0.00025 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

location = glm::vec4(location, 0) * rotation;

ofVertex(location);

}

ofEndShape(true);

ofSetColor(255);

ofNoFill();

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, -300);

auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param, location.x * 0.00025 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

location = glm::vec4(location, 0) * rotation;

ofVertex(location);

}

ofEndShape(true);

}

this->cam.end();

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/Insta20250801

2025年7月31日2025年7月31日

Twisted numbers.

[ Video ]

[ About ]
捻じ曲がる文字。

[ 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;

	float font_size;
	ofTrueTypeFont font;
};

#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;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	this->font_size = 80;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * -1.44);

	string word = "012345678901234567890123456789";
	int sample_count = 180;
	auto noise_param = ofRandom(1000);
	auto word_size = this->font.getStringBoundingBox(word, 0, 0);
	vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

	for (int word_index = 0; word_index < word_path.size(); word_index++) {

		vector<ofPolyline> outline = word_path[word_index].getOutline();

		ofSetColor(0);
		ofNoFill();
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			if (outline_index != 0) { ofNextContour(true); }

			auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();
			for (auto& vertex : vertices) {

				auto location = vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 100);
				auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param, location.x * 0.001 + ofGetFrameNum() * 0.0085), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));
				location = glm::vec4(location, 0) * rotation;

				ofVertex(location);
			}
		}
		ofEndShape(true);
	}

	this->cam.end();

	/*
	int start = 125;
	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);

ofSetColor(39);

ofSetLineWidth(1.5);

ofEnableDepthTest();

this->font_size = 80;

this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum() * -1.44);

string word = "012345678901234567890123456789";

int sample_count = 180;

auto noise_param = ofRandom(1000);

auto word_size = this->font.getStringBoundingBox(word, 0, 0);

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

ofSetColor(0);

ofNoFill();

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

if (outline_index != 0) { ofNextContour(true); }

auto vertices = outline[outline_index].getResampledByCount(sample_count).getVertices();

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(word_size.getWidth() * 0.5, -word_size.getHeight() * 0.5, 100);

auto rotation = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_param, location.x * 0.001 + ofGetFrameNum() * 0.0085), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0));

location = glm::vec4(location, 0) * rotation;

ofVertex(location);

}

ofEndShape(true);

}

this->cam.end();

int start = 125;

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/Insta20250731

2025年7月30日

RGB Bar.

[ Video ]

[ About ]
RGBバー。

[ 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) {};
};

#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(39);
	ofFill();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	float radius = 200;
	ofColor color;
	auto noise_seed = ofRandom(1000);

	for (int deg = 0; deg < 360; deg += 3) {

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

			color.setHsb(ofMap(i, 0, 3, 0, 255), 180, 255);
			ofSetColor(color);

			auto target_radius = ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 5, sin(deg * DEG_TO_RAD) * 5, i * 0.1 + ofGetFrameNum() * 0.02), 0, 1, radius - 120, radius + 120);
			auto target_location = glm::vec2(target_radius * cos(deg * DEG_TO_RAD), target_radius * sin(deg * DEG_TO_RAD));

			ofPushMatrix();
			ofTranslate(target_location);
			ofRotate(deg);

			ofDrawRectangle(glm::vec2(), 80, 3);

			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(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofFill();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

float radius = 200;

ofColor color;

auto noise_seed = ofRandom(1000);

for (int deg = 0; deg < 360; deg += 3) {

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

color.setHsb(ofMap(i, 0, 3, 0, 255), 180, 255);

ofSetColor(color);

auto target_radius = ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 5, sin(deg * DEG_TO_RAD) * 5, i * 0.1 + ofGetFrameNum() * 0.02), 0, 1, radius - 120, radius + 120);

auto target_location = glm::vec2(target_radius * cos(deg * DEG_TO_RAD), target_radius * sin(deg * DEG_TO_RAD));

ofPushMatrix();

ofTranslate(target_location);

ofRotate(deg);

ofDrawRectangle(glm::vec2(), 80, 3);

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/Insta20250730

2025年8月
月	火	水	木	金	土	日
				1	2	3
4	5	6	7	8	9	10
11	12	13	14	15	16	17
18	19	20	21	22	23	24
25	26	27	28	29	30	31