openFrameworks – ページ 468 – プログラミング de 落描き

2021年4月22日2021年4月22日

Rain. Draw by openFrameworks

[ Video ]

[ About ]
RAIN.

[ 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;

	ofTrueTypeFont font;
	string word;
	vector<glm::vec3> font_location_list;

	vector<ofColor> base_color_list;

	vector<vector<glm::vec3>> log_list;
	vector<float> speed_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) {};

ofEasyCam cam;

ofTrueTypeFont font;

string word;

vector<glm::vec3> font_location_list;

vector<ofColor> base_color_list;

vector<vector<glm::vec3>> log_list;

vector<float> speed_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofNoFill();
	ofSetLineWidth(0.5);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofEnableDepthTest();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);
	this->word = "RAIN";
	int sample_count = 300;
	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();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			outline[outline_index] = outline[outline_index].getResampledBySpacing(1);
			vector<glm::vec3> vertices = outline[outline_index].getVertices();
			for (int i = 0; i < vertices.size(); i++) {

				this->font_location_list.push_back(vertices[i] + glm::vec3(this->font.stringWidth(word) * -0.5, -200, 0));
			}
		}
	}

	ofColor color;
	vector<int> hex_list = { 0x4cc9f0, 0x4895ef, 0x4361ee, 0x3f37c9, 0x3a0ca3, 0x480ca8, 0x560bad, 0x7209b7 };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}
}

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

	if (this->log_list.size() < 1000) {

		for (int i = 0; i < 10; i++) {

			int font_location_index = ofRandom(this->font_location_list.size());
			vector<glm::vec3> log;
			log.push_back(this->font_location_list[font_location_index]);
			this->log_list.push_back(log);
			this->speed_list.push_back(ofRandom(3, 10));
			this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		}
	}

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

		if (this->log_list[i].back().y > 100) {

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

			continue;
		}

		auto next = this->log_list[i].back() + glm::vec3(0, this->speed_list[i], 0);
		this->log_list[i].push_back(next);

		while (this->log_list[i].size() > 15) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

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

	ofSetColor(this->base_color_list[0]);
	this->font.drawStringAsShapes(this->word, this->font.stringWidth(this->word) * -0.5, -200);

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

		ofSetColor(this->color_list[i]);

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}



	this->cam.end();
}

//--------------------------------------------------------------
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(0);

ofNoFill();

ofSetLineWidth(0.5);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

this->word = "RAIN";

int sample_count = 300;

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();

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

outline[outline_index] = outline[outline_index].getResampledBySpacing(1);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

this->font_location_list.push_back(vertices[i] + glm::vec3(this->font.stringWidth(word) * -0.5, -200, 0));

}

ofColor color;

vector<int> hex_list = { 0x4cc9f0, 0x4895ef, 0x4361ee, 0x3f37c9, 0x3a0ca3, 0x480ca8, 0x560bad, 0x7209b7 };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

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

void ofApp::update() {

if (this->log_list.size() < 1000) {

for (int i = 0; i < 10; i++) {

int font_location_index = ofRandom(this->font_location_list.size());

vector<glm::vec3> log;

log.push_back(this->font_location_list[font_location_index]);

this->log_list.push_back(log);

this->speed_list.push_back(ofRandom(3, 10));

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

}

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

if (this->log_list[i].back().y > 100) {

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

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

continue;

}

auto next = this->log_list[i].back() + glm::vec3(0, this->speed_list[i], 0);

this->log_list[i].push_back(next);

while (this->log_list[i].size() > 15) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofSetColor(this->base_color_list[0]);

this->font.drawStringAsShapes(this->word, this->font.stringWidth(this->word) * -0.5, -200);

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

ofSetColor(this->color_list[i]);

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210422

2021年4月21日2021年4月21日

Egg. Draw by openFrameworks

[ Video ]

[ About ]
Egg.

[ 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;
	vector<ofMeshFace> triangle_list;
	ofMesh mesh, line, yolk;
};

#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;

vector<ofMeshFace> triangle_list;

ofMesh mesh, line, yolk;

};

#include "ofApp.h"

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

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

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

	auto ico_sphere = ofIcoSpherePrimitive(300, 4);
	this->triangle_list = ico_sphere.getMesh().getUniqueFaces();
}

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

	this->mesh.clear();
	this->line.clear();
	this->yolk.clear();

	for (auto& triangle : this->triangle_list) {

		glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

		if (ofNoise(glm::vec4(avg * 0.005, ofGetFrameNum() * 0.008)) < 0.5) {

			this->mesh.addVertex(triangle.getVertex(0));
			this->mesh.addVertex(triangle.getVertex(1));
			this->mesh.addVertex(triangle.getVertex(2));

			this->mesh.addColor(ofColor(239));
			this->mesh.addColor(ofColor(239));
			this->mesh.addColor(ofColor(239));

			this->line.addVertex(triangle.getVertex(0));
			this->line.addVertex(triangle.getVertex(1));
			this->line.addVertex(triangle.getVertex(2));

			this->line.addColor(ofColor(39));
			this->line.addColor(ofColor(39));
			this->line.addColor(ofColor(39));

			this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3);
			this->line.addTriangle(this->line.getNumVertices() - 1, this->line.getNumVertices() - 2, this->line.getNumVertices() - 3);

		}

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

			auto noise_value = ofNoise(glm::vec4(triangle.getVertex(i) * 0.005, ofGetFrameNum() * 0.005));
			auto noise_radius = ofMap(noise_value, 0, 1, 100, 250);

			this->yolk.addVertex(glm::normalize(triangle.getVertex(i)) * noise_radius);
			this->yolk.addColor(ofColor(244, 192, 39));
		}

		this->yolk.addTriangle(this->yolk.getNumVertices() - 1, this->yolk.getNumVertices() - 2, this->yolk.getNumVertices() - 3);
	}
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.37);
	ofRotateY(ofGetFrameNum() * 0.72);

	this->mesh.draw();
	this->line.drawWireframe();

	this->yolk.drawWireframe();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(300, 4);

this->triangle_list = ico_sphere.getMesh().getUniqueFaces();

}

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

void ofApp::update() {

this->mesh.clear();

this->line.clear();

this->yolk.clear();

for (auto& triangle : this->triangle_list) {

glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

if (ofNoise(glm::vec4(avg * 0.005, ofGetFrameNum() * 0.008)) < 0.5) {

this->mesh.addVertex(triangle.getVertex(0));

this->mesh.addVertex(triangle.getVertex(1));

this->mesh.addVertex(triangle.getVertex(2));

this->mesh.addColor(ofColor(239));

this->line.addVertex(triangle.getVertex(0));

this->line.addVertex(triangle.getVertex(1));

this->line.addVertex(triangle.getVertex(2));

this->line.addColor(ofColor(39));

this->mesh.addTriangle(this->mesh.getNumVertices() - 1, this->mesh.getNumVertices() - 2, this->mesh.getNumVertices() - 3);

this->line.addTriangle(this->line.getNumVertices() - 1, this->line.getNumVertices() - 2, this->line.getNumVertices() - 3);

}

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

auto noise_value = ofNoise(glm::vec4(triangle.getVertex(i) * 0.005, ofGetFrameNum() * 0.005));

auto noise_radius = ofMap(noise_value, 0, 1, 100, 250);

this->yolk.addVertex(glm::normalize(triangle.getVertex(i)) * noise_radius);

this->yolk.addColor(ofColor(244, 192, 39));

}

this->yolk.addTriangle(this->yolk.getNumVertices() - 1, this->yolk.getNumVertices() - 2, this->yolk.getNumVertices() - 3);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.37);

ofRotateY(ofGetFrameNum() * 0.72);

this->mesh.draw();

this->line.drawWireframe();

this->yolk.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210421

2021年4月20日2021年4月20日

Barrier. Draw by openFrameworks

[ Video ]

[ About ]
Barrier.

[ 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);

	ofEasyCam cam;

	ofMesh face, line, vertices;
};

#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);

ofEasyCam cam;

ofMesh face, line, vertices;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

	this->face.clear();
	this->line.clear();
	this->vertices.clear();

	int len = 300;
	int width = 30;
	for (int y = -300; y <= 300; y += width){

		int start_param = ofRandom(1000) + ofGetFrameNum() * ofRandom(0.5, 1);
		int end_param = start_param + 35;

		for (int param = start_param; param <= end_param; param++) {

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(this->make_point(len, param), width *  0.5 + y));
			vertices.push_back(glm::vec3(this->make_point(len, param), width * -0.5 + y));

			this->face.addVertices(vertices);
			this->line.addVertices(vertices);

			if (param > start_param) {

				this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 4);
				this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

				this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 3);
				this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 4);
			}

			if (param % 25 == 0) {

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

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

	vector<ofColor> base_color_list;
	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		base_color_list.push_back(color);
	}

	int color_index = 0;
	for (int i = 0; i < 300; i++) {

		this->vertices.addVertex(glm::vec3(
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -150, 150),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -150, 150),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -300, 300)
		));

		this->vertices.addColor(base_color_list[color_index]);
		color_index = (color_index + 1) % base_color_list.size();
	}

	for (int i = 0; i < this->vertices.getNumVertices(); i++) {

		for (int k = i + 1; k < this->vertices.getNumVertices(); k++) {

			if (glm::distance(this->vertices.getVertex(i), this->vertices.getVertex(k)) < 50) {

				this->vertices.addIndex(i);
				this->vertices.addIndex(k);
			}
		}
	}
}

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

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

	ofSetColor(39);
	this->face.draw();

	ofSetColor(239);
	this->line.drawWireframe();

	for (int i = 0; i < this->vertices.getNumVertices(); i++) {

		ofSetColor(this->vertices.getColor(i));
		ofDrawSphere(this->vertices.getVertex(i), 5);
	}

	this->vertices.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->line.clear();

this->vertices.clear();

int len = 300;

int width = 30;

for (int y = -300; y <= 300; y += width){

int start_param = ofRandom(1000) + ofGetFrameNum() * ofRandom(0.5, 1);

int end_param = start_param + 35;

for (int param = start_param; param <= end_param; param++) {

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(this->make_point(len, param), width * 0.5 + y));

vertices.push_back(glm::vec3(this->make_point(len, param), width * -0.5 + y));

this->face.addVertices(vertices);

this->line.addVertices(vertices);

if (param > start_param) {

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 4);

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 3);

this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 4);

}

if (param % 25 == 0) {

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

}

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);

}

vector<ofColor> base_color_list;

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

int color_index = 0;

for (int i = 0; i < 300; i++) {

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

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -150, 150),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -300, 300)

));

this->vertices.addColor(base_color_list[color_index]);

color_index = (color_index + 1) % base_color_list.size();

}

for (int i = 0; i < this->vertices.getNumVertices(); i++) {

for (int k = i + 1; k < this->vertices.getNumVertices(); k++) {

if (glm::distance(this->vertices.getVertex(i), this->vertices.getVertex(k)) < 50) {

this->vertices.addIndex(i);

this->vertices.addIndex(k);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofSetColor(39);

this->face.draw();

ofSetColor(239);

this->line.drawWireframe();

for (int i = 0; i < this->vertices.getNumVertices(); i++) {

ofSetColor(this->vertices.getColor(i));

ofDrawSphere(this->vertices.getVertex(i), 5);

}

this->vertices.drawWireframe();

this->cam.end();

}

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

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/Insta20210420

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