プログラミング de 落描き – ページ 384 – クリエイティブ・コーディングによる生成物とソース

2021年2月25日2021年2月25日

Circle wave. Draw by openFrameworks

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Circle wave.

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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 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

}

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

	auto n = 9;
	for (int x = 140; x <= 720; x += 220) {

		for (int y = 140; y <= 720; y += 220) {

			ofPushMatrix();
			ofTranslate(x, y);

			auto radius = 80;
			auto deg_start = 0;
			auto deg_end = deg_start + 180;
			auto deg_span = 10;
			for (int deg = deg_start; deg < deg_end; deg += deg_span) {

				auto center = glm::vec2(radius * cos((deg + deg_span / 2) * DEG_TO_RAD), 0);
				auto rotate = ofMap(ofNoise(y, x + deg * 0.0035 + ofGetFrameNum() * 0.005), 0, 1, 0, 360);

				ofPushMatrix();
				ofTranslate(center);
				ofRotateX(rotate);

				vector<glm::vec2> vertices_1, vertices_2;
				for (int tmp_deg = deg + 1; tmp_deg < deg + deg_span; tmp_deg++) {

					auto point = glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD));
					vertices_1.push_back(point - center);
					vertices_2.push_back(glm::vec2(point.x, -point.y) - center);
				}

				reverse(vertices_2.begin(), vertices_2.end());

				ofFill();
				ofSetColor(239);
				ofBeginShape();
				ofVertices(vertices_1);
				ofVertices(vertices_2);
				ofEndShape(true);

				ofNoFill();
				ofSetColor(39);
				ofBeginShape();
				ofVertices(vertices_1);
				ofVertices(vertices_2);
				ofEndShape(true);

				ofPopMatrix();
			}

			ofPopMatrix();
			n--;
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

auto n = 9;

for (int x = 140; x <= 720; x += 220) {

for (int y = 140; y <= 720; y += 220) {

ofPushMatrix();

ofTranslate(x, y);

auto radius = 80;

auto deg_start = 0;

auto deg_end = deg_start + 180;

auto deg_span = 10;

for (int deg = deg_start; deg < deg_end; deg += deg_span) {

auto center = glm::vec2(radius * cos((deg + deg_span / 2) * DEG_TO_RAD), 0);

auto rotate = ofMap(ofNoise(y, x + deg * 0.0035 + ofGetFrameNum() * 0.005), 0, 1, 0, 360);

ofPushMatrix();

ofTranslate(center);

ofRotateX(rotate);

vector<glm::vec2> vertices_1, vertices_2;

for (int tmp_deg = deg + 1; tmp_deg < deg + deg_span; tmp_deg++) {

auto point = glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD));

vertices_1.push_back(point - center);

vertices_2.push_back(glm::vec2(point.x, -point.y) - center);

}

reverse(vertices_2.begin(), vertices_2.end());

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofPopMatrix();

}

ofPopMatrix();

n--;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210225

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2021年2月24日2021年2月24日

vertical or horizontal. Draw by openFrameworks

[ Video ]

[ About ]
vertical or horizontal.

[ 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);

	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);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

	ofSeedRandom(39);

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

	float angle_y = ofGetFrameNum() * 1.5;
	for (int x = -300; x <= 300; x += 300) {

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

			glm::highp_mat4 rotation;
			auto noise_value = ofNoise(x, y, ofGetFrameNum() * 0.005);
			if (noise_value > 0.15 && noise_value < 0.4) { rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0.15, 0.45, 0, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0)); }
			if (noise_value > 0.6 && noise_value < 0.85) { rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0.6, 0.85, 0, 180) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); }

			this->setRingToMesh(this->face, this->frame, glm::vec3(x, y, 0), 0, 50, 10, rotation);
			for (auto radius = 60; radius <= 190; radius += 20) {

				glm::highp_mat4 rotation;
				auto noise_value = ofNoise(x, y, (ofGetFrameNum() + radius) * 0.005);
				if (noise_value > 0.25 && noise_value < 0.5) { rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0.25, 0.5, 0, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0)); }
				if (noise_value > 0.6 && noise_value < 0.85) { rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0.6, 0.85, 0, 180) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); }

				this->setRingToMesh(this->face, this->frame, glm::vec3(x, y, 0), radius, 20, 10, rotation);
			}
		}
	}
}

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

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

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

	ofSetColor(239);
	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) {

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

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

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float angle_y = ofGetFrameNum() * 1.5;

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

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

glm::highp_mat4 rotation;

auto noise_value = ofNoise(x, y, ofGetFrameNum() * 0.005);

if (noise_value > 0.15 && noise_value < 0.4) { rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0.15, 0.45, 0, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0)); }

if (noise_value > 0.6 && noise_value < 0.85) { rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0.6, 0.85, 0, 180) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); }

this->setRingToMesh(this->face, this->frame, glm::vec3(x, y, 0), 0, 50, 10, rotation);

for (auto radius = 60; radius <= 190; radius += 20) {

glm::highp_mat4 rotation;

auto noise_value = ofNoise(x, y, (ofGetFrameNum() + radius) * 0.005);

if (noise_value > 0.25 && noise_value < 0.5) { rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0.25, 0.5, 0, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0)); }

if (noise_value > 0.6 && noise_value < 0.85) { rotation = glm::rotate(glm::mat4(), ofMap(noise_value, 0.6, 0.85, 0, 180) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); }

this->setRingToMesh(this->face, this->frame, glm::vec3(x, y, 0), radius, 20, 10, rotation);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofSetColor(39);

this->face.draw();

ofSetColor(239);

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) {

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 = location + glm::vec4(vertex, 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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210224

[ほしいものリスト]
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2021年2月23日2021年2月23日

March of Noise. Draw by openFrameworks

[ Video ]

[ About ]
March of Noise.

[ 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) {};

	float noise_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) {};

float noise_param;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);

	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	this->noise_param = ofRandom(1000);
}

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

}

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

	int x_span = 10;
	int y_span = 180;
	int height = 60;
	for (int x = x_span * 3; x <= ofGetWidth() - x_span * 3; x += x_span) {

		for (int y = y_span; y < ofGetHeight(); y += y_span) {

			auto noise_value = ofNoise(x * 0.02 + this->noise_param, y * 0.02);

			if (noise_value < 0.5) {

				ofSetColor(239);
				ofFill();
				ofDrawRectangle(glm::vec2(x, y - ofMap(noise_value, 0, 0.5, height * 0.5, 0)), x_span * 0.8, ofMap(noise_value, 0, 0.5, height, 0));

				ofSetColor(39);
				ofNoFill();
				ofDrawRectangle(glm::vec2(x, y - ofMap(noise_value, 0, 0.5, height * 0.5, 0)), x_span * 0.8, ofMap(noise_value, 0, 0.5, height, 0));
			}
			else {

				ofSetColor(239);
				ofFill();
				ofDrawRectangle(glm::vec2(x, y + ofMap(noise_value, 0.5, 1, 0, height * 0.5)), x_span * 0.8, ofMap(noise_value, 0.5, 1, 0, height));

				ofSetColor(39);
				ofNoFill();
				ofDrawRectangle(glm::vec2(x, y + ofMap(noise_value, 0.5, 1, 0, height * 0.5)), x_span * 0.8, ofMap(noise_value, 0.5, 1, 0, height));
			}
		}
	}

	if (ofGetFrameNum() % 90 < 60) {

		this->noise_param += ofMap(ofGetFrameNum() % 90, 0, 60, 0.06, 0);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->noise_param = ofRandom(1000);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int x_span = 10;

int y_span = 180;

int height = 60;

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

for (int y = y_span; y < ofGetHeight(); y += y_span) {

auto noise_value = ofNoise(x * 0.02 + this->noise_param, y * 0.02);

if (noise_value < 0.5) {

ofSetColor(239);

ofFill();

ofDrawRectangle(glm::vec2(x, y - ofMap(noise_value, 0, 0.5, height * 0.5, 0)), x_span * 0.8, ofMap(noise_value, 0, 0.5, height, 0));

ofSetColor(39);

ofNoFill();

ofDrawRectangle(glm::vec2(x, y - ofMap(noise_value, 0, 0.5, height * 0.5, 0)), x_span * 0.8, ofMap(noise_value, 0, 0.5, height, 0));

}

else {

ofSetColor(239);

ofFill();

ofDrawRectangle(glm::vec2(x, y + ofMap(noise_value, 0.5, 1, 0, height * 0.5)), x_span * 0.8, ofMap(noise_value, 0.5, 1, 0, height));

ofSetColor(39);

ofNoFill();

ofDrawRectangle(glm::vec2(x, y + ofMap(noise_value, 0.5, 1, 0, height * 0.5)), x_span * 0.8, ofMap(noise_value, 0.5, 1, 0, height));

}

if (ofGetFrameNum() % 90 < 60) {

this->noise_param += ofMap(ofGetFrameNum() % 90, 0, 60, 0.06, 0);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210223

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