2022年1月 – ページ 10 – プログラミング de 落描き

2022年1月4日

Rotating rectangles. Draw by openFrameworks

[ Video ]

[ About ]
回転する図形を並べて見比べる。

Compare rotating shapes side by side.

[ 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) {};

	void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::highp_mat4 rotation, ofColor face_color, ofColor line_color);

	ofEasyCam cam;
	ofMesh face, frame;
};

#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) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::highp_mat4 rotation, ofColor face_color, ofColor line_color);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(255);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

	this->face.clear();
	this->frame.clear();

	int y = 200;
	for (int x = -300 * 3; x <= 300 * 3; x += 300) {

		auto noise_seed = ofRandom(1000);
		for (int i = 1; i >= -1; i -= 2) {

			for (auto radius = 50; radius <= 150; radius += 5) {

				auto noise_value = ofNoise(noise_seed, radius * 0.00085 + ofGetFrameNum() * 0.0015);
				auto rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0, 1, -720, 720) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

				ofColor face_color;
				if (i == 1) {

					this->setRingToMesh(this->face, this->frame, glm::vec3(x, y * i, 0), radius, 2, 30, rotation, ofColor(0), ofColor(255));
				}
				else {

					this->setRingToMesh(this->face, this->frame, glm::vec3(x, y * i, 0), radius, 2, 30, rotation, ofColor(255), ofColor(0));
				}
			}
		}
	}
}

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

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

	this->face.draw();

	ofSetColor(255);
	this->frame.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::highp_mat4 rotation, ofColor face_color, ofColor line_color)  {

	int deg_span = 90;
	for (int deg = 45; deg < 400; deg += deg_span) {

		auto face_index = face_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

		vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

		for (auto& vertex : vertices) {

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

		face_target.addVertices(vertices);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

		auto frame_index = frame_target.getNumVertices();

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 3);

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

			face_target.addColor(face_color);
			frame_target.addColor(line_color);
		}
	}
}

//--------------------------------------------------------------
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(255);

ofEnableDepthTest();

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

int y = 200;

for (int x = -300 * 3; x <= 300 * 3; x += 300) {

auto noise_seed = ofRandom(1000);

for (int i = 1; i >= -1; i -= 2) {

for (auto radius = 50; radius <= 150; radius += 5) {

auto noise_value = ofNoise(noise_seed, radius * 0.00085 + ofGetFrameNum() * 0.0015);

auto rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0, 1, -720, 720) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

ofColor face_color;

if (i == 1) {

this->setRingToMesh(this->face, this->frame, glm::vec3(x, y * i, 0), radius, 2, 30, rotation, ofColor(0), ofColor(255));

}

else {

this->setRingToMesh(this->face, this->frame, glm::vec3(x, y * i, 0), radius, 2, 30, rotation, ofColor(255), ofColor(0));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

this->face.draw();

ofSetColor(255);

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, glm::highp_mat4 rotation, ofColor face_color, ofColor line_color) {

int deg_span = 90;

for (int deg = 45; deg < 400; deg += deg_span) {

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

for (auto& vertex : vertices) {

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

}

face_target.addVertices(vertices);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

auto frame_index = frame_target.getNumVertices();

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 3);

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

face_target.addColor(face_color);

frame_target.addColor(line_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220104

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2022年1月3日

Noise line with Characters. Draw by openFrameworks

[ Video ]

[ About ]
ノイズ関数でyを計算して＋と-の両方を使う。

Calculate y with the noise function and use both + and -.

[ 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) {};

	int font_size;
	ofTrueTypeFont font;
	vector<string> words;

	vector<glm::vec2> location_list;
	vector<bool> param_list;
	vector<float> index_list;

	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) {};

int font_size;

ofTrueTypeFont font;

vector<string> words;

vector<glm::vec2> location_list;

vector<bool> param_list;

vector<float> index_list;

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(0);

	this->font_size = 20;
	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);
	this->font.load(font_settings);

	this->words = {

		"H", "A", "P", "P", "Y", 
		"N", "E", "W",
		"Y", "E", "A", "R"
	};

	for (int x = this->font_size * -15; x <= this->font_size * 15; x += this->font_size * 0.8) {

		for (int y = this->font_size * -15; y <= this->font_size * 15; y += this->font_size * 1.2) {

			this->location_list.push_back(glm::vec2(x - this->font_size * 0.2, y - this->font_size * 0.5));
			this->index_list.push_back(0.f);
			this->param_list.push_back(true);
		}
	}


}

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

	ofSeedRandom(39);

	for (auto& param : this->param_list) {

		param = false;
	}

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

		auto noise_seed = ofRandom(1000);
		for (int x = -720; x <=720; x += 3) {

			auto y = ofMap(ofNoise(noise_seed, x * 0.0005 + ofGetFrameNum() * 0.01), 0, 1, -350, 350);
			for (int i = 0; i < this->location_list.size(); i++) {

				auto distance = glm::distance(glm::vec2(x, y), this->location_list[i]);
				if (distance < this->font_size * 0.8) {

					this->index_list[i] += 1;

					this->index_list[i] = (int)this->index_list[i] % this->words.size();
					this->param_list[i] = true;
				}

				distance = glm::distance(glm::vec2(x, -y), this->location_list[i]);
				if (distance < this->font_size * 0.8) {

					this->index_list[i] += 1;
					
					this->index_list[i] = (int)this->index_list[i] % this->words.size();
					this->param_list[i] = true;
				}
			}
		}
	}
}

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

	this->cam.begin();

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

		ofColor location_color;
		location_color.setHsb(ofRandom(255), 150, 255);

		if (this->param_list[i]) {

			ofSetColor(location_color);
		}
		else {

			ofSetColor(96);
		}

		this->font.drawString(this->words[this->index_list[i]], this->location_list[i].x, this->location_list[i].y);
	}

	this->cam.end();
}

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

this->font_size = 20;

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);

this->font.load(font_settings);

this->words = {

"H", "A", "P", "P", "Y",

"N", "E", "W",

"Y", "E", "A", "R"

};

for (int x = this->font_size * -15; x <= this->font_size * 15; x += this->font_size * 0.8) {

for (int y = this->font_size * -15; y <= this->font_size * 15; y += this->font_size * 1.2) {

this->location_list.push_back(glm::vec2(x - this->font_size * 0.2, y - this->font_size * 0.5));

this->index_list.push_back(0.f);

this->param_list.push_back(true);

}

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

void ofApp::update() {

ofSeedRandom(39);

for (auto& param : this->param_list) {

param = false;

}

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

auto noise_seed = ofRandom(1000);

for (int x = -720; x <=720; x += 3) {

auto y = ofMap(ofNoise(noise_seed, x * 0.0005 + ofGetFrameNum() * 0.01), 0, 1, -350, 350);

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

auto distance = glm::distance(glm::vec2(x, y), this->location_list[i]);

if (distance < this->font_size * 0.8) {

this->index_list[i] += 1;

this->index_list[i] = (int)this->index_list[i] % this->words.size();

this->param_list[i] = true;

}

distance = glm::distance(glm::vec2(x, -y), this->location_list[i]);

if (distance < this->font_size * 0.8) {

this->index_list[i] += 1;

this->index_list[i] = (int)this->index_list[i] % this->words.size();

this->param_list[i] = true;

}

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

void ofApp::draw() {

this->cam.begin();

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

ofColor location_color;

location_color.setHsb(ofRandom(255), 150, 255);

if (this->param_list[i]) {

ofSetColor(location_color);

}

else {

ofSetColor(96);

}

this->font.drawString(this->words[this->index_list[i]], this->location_list[i].x, this->location_list[i].y);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220103

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2022年1月2日2022年1月2日

Ripple on fonts. Draw by openFrameworks

[ Video ]

[ About ]
文字で波紋。

Ripples with Characters.

[ 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) {};

	int font_size;
	ofTrueTypeFont font;
	vector<string> words;

	vector<glm::vec2> location_list;
	vector<bool> param_list;
	vector<int> index_list;

	vector<pair<glm::vec2, float>> wave_list;

	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) {};

int font_size;

ofTrueTypeFont font;

vector<string> words;

vector<glm::vec2> location_list;

vector<bool> param_list;

vector<int> index_list;

vector<pair<glm::vec2, float>> wave_list;

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(255);

	this->font_size = 20;
	ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);
	this->font.load(font_settings);

	this->words = {

		"H", "A", "P", "P", "Y", 
		"N", "E", "W",
		"Y", "E", "A", "R"
	};

	for (int x = this->font_size * -15; x <= this->font_size * 15; x += this->font_size * 0.8) {

		for (int y = this->font_size * -15; y <= this->font_size * 15; y += this->font_size * 1.2) {

			this->location_list.push_back(glm::vec2(x - this->font_size * 0.2, y - this->font_size * 0.5));
			this->index_list.push_back(ofRandom(this->words.size()));
			this->param_list.push_back(true);
		}
	}


}

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

	if (ofGetFrameNum() % 15 == 0) {

		auto l = glm::vec2(ofRandom(-250, 250), ofRandom(-250, 250));
		auto f = 5;
		this->wave_list.push_back(make_pair(l, f));
	}

	for (auto& param : this->param_list) {

		param = false;
	}

	auto max_height = 150;
	for (auto& wave : this->wave_list) {

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

			auto distance = glm::distance(wave.first, this->location_list[i]);
			if (distance > wave.second - this->font_size * 1.2 && distance < wave.second + this->font_size * 1.2) {

				this->index_list[i] = (this->index_list[i] + 1) % this->words.size();
				this->param_list[i] = true;
			}
		}
		
		wave.second += 12;
	}

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

		if (this->wave_list[i].second > 650) {

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

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

	this->cam.begin();

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

		if (this->param_list[i]) {

			ofSetColor(0);
		}
		else {

			ofSetColor(128);
		}

		this->font.drawString(this->words[this->index_list[i]], this->location_list[i].x, this->location_list[i].y);
	}

	this->cam.end();
}

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

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

100

101

102

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(255);

this->font_size = 20;

ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size);

this->font.load(font_settings);

this->words = {

"H", "A", "P", "P", "Y",

"N", "E", "W",

"Y", "E", "A", "R"

};

for (int x = this->font_size * -15; x <= this->font_size * 15; x += this->font_size * 0.8) {

for (int y = this->font_size * -15; y <= this->font_size * 15; y += this->font_size * 1.2) {

this->location_list.push_back(glm::vec2(x - this->font_size * 0.2, y - this->font_size * 0.5));

this->index_list.push_back(ofRandom(this->words.size()));

this->param_list.push_back(true);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 15 == 0) {

auto l = glm::vec2(ofRandom(-250, 250), ofRandom(-250, 250));

auto f = 5;

this->wave_list.push_back(make_pair(l, f));

}

for (auto& param : this->param_list) {

param = false;

}

auto max_height = 150;

for (auto& wave : this->wave_list) {

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

auto distance = glm::distance(wave.first, this->location_list[i]);

if (distance > wave.second - this->font_size * 1.2 && distance < wave.second + this->font_size * 1.2) {

this->index_list[i] = (this->index_list[i] + 1) % this->words.size();

this->param_list[i] = true;

}

wave.second += 12;

}

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

if (this->wave_list[i].second > 650) {

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

}

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

void ofApp::draw() {

this->cam.begin();

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

if (this->param_list[i]) {

ofSetColor(0);

}

else {

ofSetColor(128);

}

this->font.drawString(this->words[this->index_list[i]], this->location_list[i].x, this->location_list[i].y);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220102

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