openFrameworks – ページ 353 – プログラミング de 落描き

2021年12月30日

10 PRINT on Circle. Draw by openFrameworks

[ Video ]

[ About ]
昨日の投稿を平面化。

Planarization of yesterday’s post

[ 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;
	ofMesh 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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetColor(0);
	ofSetLineWidth(2.5);

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

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

	ofSeedRandom(39);

	this->frame.clear();

	float phi_deg_step = 3;
	float theta_deg_step = 3;

	float radius = 300;

	for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

		for (float theta_deg = 20; theta_deg <= 90; theta_deg += theta_deg_step) {

			auto noise_value = ofNoise(phi_deg * 0.85, theta_deg * 0.05 - ofGetFrameNum() * 0.05);

			if (noise_value < 0.5) {

				this->frame.addVertex(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					0));
				this->frame.addVertex(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					0));
			}
			else {

				this->frame.addVertex(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					0));
				this->frame.addVertex(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					0));
			}

			this->frame.addIndex(this->frame.getNumVertices() - 1);
			this->frame.addIndex(this->frame.getNumVertices() - 2);
		}
	}

	for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

		float theta_deg = 20;

		this->frame.addVertex(glm::vec3(
			radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
			radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
			0));
		this->frame.addVertex(glm::vec3(
			radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
			radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
			0));
		this->frame.addIndex(this->frame.getNumVertices() - 1);
		this->frame.addIndex(this->frame.getNumVertices() - 2);
	}
}

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

	this->cam.begin();

	this->frame.draw();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetColor(0);

ofSetLineWidth(2.5);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->frame.clear();

float phi_deg_step = 3;

float theta_deg_step = 3;

float radius = 300;

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 20; theta_deg <= 90; theta_deg += theta_deg_step) {

auto noise_value = ofNoise(phi_deg * 0.85, theta_deg * 0.05 - ofGetFrameNum() * 0.05);

if (noise_value < 0.5) {

this->frame.addVertex(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

0));

this->frame.addVertex(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

0));

}

else {

this->frame.addVertex(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

0));

this->frame.addVertex(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

0));

}

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

float theta_deg = 20;

this->frame.addVertex(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

0));

this->frame.addVertex(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

0));

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

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

void ofApp::draw() {

this->cam.begin();

this->frame.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211230

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年12月29日

10 PRINT on Sphere. Draw by openFrameworks

[ Video ]

[ About ]
10 PRINT を球体上で実施する。

10 PRINT on Sphere.

[ 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;
	ofMesh 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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh frame;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetLineWidth(3);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

	this->frame.clear();

	float phi_deg_step = 5;
	float theta_deg_step = 5;

	float radius = 250;

	for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

		for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

			auto location = glm::vec3(
				radius * sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD),
				radius * sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD),
				radius * cos(theta_deg * DEG_TO_RAD));

			auto noise_value = ofNoise(ofRandom(1000));

			if (noise_value < 0.5) {

				this->frame.addVertex(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				this->frame.addVertex(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
			}
			else {

				this->frame.addVertex(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				this->frame.addVertex(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
			}

			this->frame.addIndex(this->frame.getNumVertices() - 1);
			this->frame.addIndex(this->frame.getNumVertices() - 2);
		}
	}
}

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

	this->cam.begin();
	ofRotateX(90);
	ofRotateZ(ofGetFrameNum() * 0.6666666666666);

	ofSetColor(255);
	ofDrawSphere(248);

	ofSetColor(0);
	this->frame.draw();

	for (auto& vertex : this->frame.getVertices()) {

		ofDrawSphere(vertex, 3);
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(3);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->frame.clear();

float phi_deg_step = 5;

float theta_deg_step = 5;

float radius = 250;

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg <= 180; theta_deg += theta_deg_step) {

auto location = glm::vec3(

radius * sin(theta_deg * DEG_TO_RAD) * cos(phi_deg * DEG_TO_RAD),

radius * sin(theta_deg * DEG_TO_RAD) * sin(phi_deg * DEG_TO_RAD),

radius * cos(theta_deg * DEG_TO_RAD));

auto noise_value = ofNoise(ofRandom(1000));

if (noise_value < 0.5) {

this->frame.addVertex(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

this->frame.addVertex(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

}

else {

this->frame.addVertex(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

this->frame.addVertex(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

}

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofRotateZ(ofGetFrameNum() * 0.6666666666666);

ofSetColor(255);

ofDrawSphere(248);

ofSetColor(0);

this->frame.draw();

for (auto& vertex : this->frame.getVertices()) {

ofDrawSphere(vertex, 3);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211229

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年12月28日

Lines on square. Draw by openFrameworks

[ Video ]

[ About ]
正方形の線を結ぶ。

Connect the square lines.

[ 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) {};

	glm::vec2 make_point(int len, int param);
};

#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) {};

glm::vec2 make_point(int len, int param);

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int span = 200;
	for (int x = -span; x <= span; x += span) {

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

			ofPushMatrix();
			ofTranslate(x, y);

			for (int len = 50; len < 180; len += 30) {

				auto noise_seed = ofRandom(1000);
				for (int param = 100; param < 200; param += 1) {

					auto location = this->make_point(len, param);
					auto next_location = this->make_point(len, param + 1);

					auto noise_value = ofNoise(glm::vec4(noise_seed, this->make_point(120, param) * 0.0085, ofGetFrameNum() * 0.015));
					auto prev_noise_value = ofNoise(glm::vec4(noise_seed, this->make_point(120, param - 1) * 0.0085, ofGetFrameNum() * 0.015));
					auto next_noise_value = ofNoise(glm::vec4(noise_seed, this->make_point(120, param + 1) * 0.0085, ofGetFrameNum() * 0.015));

					if (noise_value > 0.5) {

						ofSetColor(255);
						ofDrawLine(location, next_location);

						if (prev_noise_value <= 0.5) {

							ofFill();
							ofDrawCircle(location, 4);
						}

						if (next_noise_value <= 0.5) {

							ofFill();
							ofSetColor(0);
							ofDrawCircle(next_location, 4);

							ofNoFill();
							ofSetColor(255);
							ofDrawCircle(next_location, 4);
						}
					}
				}
			}

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

100

101

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int span = 200;

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

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

ofPushMatrix();

ofTranslate(x, y);

for (int len = 50; len < 180; len += 30) {

auto noise_seed = ofRandom(1000);

for (int param = 100; param < 200; param += 1) {

auto location = this->make_point(len, param);

auto next_location = this->make_point(len, param + 1);

auto noise_value = ofNoise(glm::vec4(noise_seed, this->make_point(120, param) * 0.0085, ofGetFrameNum() * 0.015));

auto prev_noise_value = ofNoise(glm::vec4(noise_seed, this->make_point(120, param - 1) * 0.0085, ofGetFrameNum() * 0.015));

auto next_noise_value = ofNoise(glm::vec4(noise_seed, this->make_point(120, param + 1) * 0.0085, ofGetFrameNum() * 0.015));

if (noise_value > 0.5) {

ofSetColor(255);

ofDrawLine(location, next_location);

if (prev_noise_value <= 0.5) {

ofFill();

ofDrawCircle(location, 4);

}

if (next_noise_value <= 0.5) {

ofFill();

ofSetColor(0);

ofDrawCircle(next_location, 4);

ofNoFill();

ofSetColor(255);

ofDrawCircle(next_location, 4);

}

ofPopMatrix();

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20211228

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