ofMesh – ページ 65 – プログラミング de 落描き

2022年5月20日2022年5月20日

Instantaneous force of noise param. Draw by openFrameworks

[ Video ]

[ About ]
ノイズの引数を定期的・瞬間的に加算する。

Add noise arguments periodically and instantaneously.

[ 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) {};

	void setBoxRecursive(glm::vec3 location, float size);

	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size);
	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec3> location_list;
	vector<ofColor> color_list;

	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) {};

void setBoxRecursive(glm::vec3 location, float size);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec3> location_list;

vector<ofColor> color_list;

float noise_param;

};

#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);

	if (ofGetFrameNum() % 90 < 15) {

		this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 15, 0.05, 0.002);
	}

	this->face.clear();
	this->frame.clear();
	this->setBoxRecursive(glm::vec3(0, 0, 0), 300);
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.6666666);
	ofRotateX(ofGetFrameNum() * 0.3333333);

	this->face.draw();
	this->frame.drawWireframe();

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

		ofSetColor(this->frame.getColor(i));
		ofDrawSphere(this->face.getVertex(i), 3);
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxRecursive(glm::vec3 location, float size) {

	vector<glm::vec3> location_list = {
		location + glm::vec3(-size * 0.5, -size * 0.5, size * 0.5),
		location + glm::vec3(-size * 0.5, size * 0.5, size * 0.5),
		location + glm::vec3(size * 0.5, size * 0.5, size * 0.5),
		location + glm::vec3(size * 0.5, -size * 0.5, size * 0.5),
		location + glm::vec3(-size * 0.5, -size * 0.5, -size * 0.5),
		location + glm::vec3(-size * 0.5, size * 0.5, -size * 0.5),
		location + glm::vec3(size * 0.5, size * 0.5, -size * 0.5),
		location + glm::vec3(size * 0.5, -size * 0.5, -size * 0.5)
	};


	if (size < 50) {

		for (auto& l : location_list) {

			auto noise_value = ofNoise(glm::vec4(l * 0.05, this->noise_param));

			if (noise_value < 0.50) {

				this->setBoxToMesh(this->face, this->frame, l, size);
			}
		}
	}
	else {

		for (auto& l : location_list) {

			auto noise_value = ofNoise(glm::vec4(l * 0.05, this->noise_param));

			if (size == 300 || noise_value < 0.5) {

				this->setBoxRecursive(l, size * 0.5);
			}
			else if (noise_value < 0.6) {

				this->setBoxToMesh(this->face, this->frame, l, size * 0.25);
			}
			else {

				this->setBoxToMesh(this->face, this->frame, l, size);
			}
		}
	}
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size) {

	this->setBoxToMesh(face_target, frame_target, location, size, size, size);
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

	int face_index = face_target.getNumVertices();
	int frame_index = frame_target.getNumVertices();

	vector<glm::vec3> vertices;
	vertices.push_back(glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	vertices.push_back(glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	vertices.push_back(glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	vertices.push_back(glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	vertices.push_back(glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	vertices.push_back(glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	vertices.push_back(glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	vertices.push_back(glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

	for (auto& vertex : vertices) {

		auto noise_vertex = glm::vec3(
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -width * 0.5, width * 0.5),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -height * 0.5, height * 0.5),
			ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -depth * 0.5, depth * 0.5));

		face_target.addVertex(location + vertex * 0.99);
		frame_target.addVertex(location + vertex);
	}

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

	face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
	face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1);

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

	face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3);

	frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
	frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
	frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
	frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 0);

	frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
	frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 6);
	frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);
	frame_target.addIndex(frame_index + 7); frame_target.addIndex(frame_index + 4);

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


	int value = ofRandom(255);
	for (int i = 0; i < 8; i++) {

		face_target.addColor(ofColor(value));
		frame_target.addColor(ofColor((value + 128) % 255));
	}
}

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

if (ofGetFrameNum() % 90 < 15) {

this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 15, 0.05, 0.002);

}

this->face.clear();

this->frame.clear();

this->setBoxRecursive(glm::vec3(0, 0, 0), 300);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.6666666);

ofRotateX(ofGetFrameNum() * 0.3333333);

this->face.draw();

this->frame.drawWireframe();

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

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

ofDrawSphere(this->face.getVertex(i), 3);

}

this->cam.end();

}

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

void ofApp::setBoxRecursive(glm::vec3 location, float size) {

vector<glm::vec3> location_list = {

location + glm::vec3(-size * 0.5, -size * 0.5, size * 0.5),

location + glm::vec3(-size * 0.5, size * 0.5, size * 0.5),

location + glm::vec3(size * 0.5, size * 0.5, size * 0.5),

location + glm::vec3(size * 0.5, -size * 0.5, size * 0.5),

location + glm::vec3(-size * 0.5, -size * 0.5, -size * 0.5),

location + glm::vec3(-size * 0.5, size * 0.5, -size * 0.5),

location + glm::vec3(size * 0.5, size * 0.5, -size * 0.5),

location + glm::vec3(size * 0.5, -size * 0.5, -size * 0.5)

};

if (size < 50) {

for (auto& l : location_list) {

auto noise_value = ofNoise(glm::vec4(l * 0.05, this->noise_param));

if (noise_value < 0.50) {

this->setBoxToMesh(this->face, this->frame, l, size);

}

else {

for (auto& l : location_list) {

auto noise_value = ofNoise(glm::vec4(l * 0.05, this->noise_param));

if (size == 300 || noise_value < 0.5) {

this->setBoxRecursive(l, size * 0.5);

}

else if (noise_value < 0.6) {

this->setBoxToMesh(this->face, this->frame, l, size * 0.25);

}

else {

this->setBoxToMesh(this->face, this->frame, l, size);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size) {

this->setBoxToMesh(face_target, frame_target, location, size, size, size);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

int face_index = face_target.getNumVertices();

int frame_index = frame_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

vertices.push_back(glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

vertices.push_back(glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

vertices.push_back(glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

vertices.push_back(glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

vertices.push_back(glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

vertices.push_back(glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

vertices.push_back(glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

for (auto& vertex : vertices) {

auto noise_vertex = glm::vec3(

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -width * 0.5, width * 0.5),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -height * 0.5, height * 0.5),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -depth * 0.5, depth * 0.5));

face_target.addVertex(location + vertex * 0.99);

frame_target.addVertex(location + vertex);

}

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 + 1);

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

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 1);

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

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

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 3);

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

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);

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

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

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

frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 6);

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

frame_target.addIndex(frame_index + 7); frame_target.addIndex(frame_index + 4);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 4);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 6);

frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 7);

int value = ofRandom(255);

for (int i = 0; i < 8; i++) {

face_target.addColor(ofColor(value));

frame_target.addColor(ofColor((value + 128) % 255));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220520

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2022年5月19日2022年5月19日

Pair colors. Draw by openFrameworks

[ Video ]

[ About ]
色と境目は別々のノイズのシード値で分ける。

Colors and borders are separated by separate noise seed values.

[ Source ]

#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) {};

	ofMesh mesh;
	ofTrueTypeFont font;
};

#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) {};

ofMesh mesh;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

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

	ofBackground(0);
}

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

	ofSeedRandom(39);

	this->mesh.clear();

	int span = 1;
	ofColor color;

	for (int base_x = -240; base_x <= 240; base_x += 160) {

		for (int base_y = -240; base_y <= 240; base_y += 160) {

			auto color_noise_seed_1 = ofRandom(1000);
			auto color_noise_seed_2 = ofRandom(1000);

			for (int x = -55; x < 55; x += span) {

				for (int y = -55; y < 55; y += span) {

					auto noise_value = ofNoise((x + base_x) * 0.005, (y + base_y) * 0.005 + ofGetFrameNum() * 0.01, ofGetFrameNum() * 0.01);

					if (noise_value > 0.45 && noise_value < 0.53) {

						continue;
					}

					auto color_noise_value_1 = ofNoise(color_noise_seed_1, ofGetFrameNum() * 0.001);
					auto color_noise_value_2 = ofNoise(color_noise_seed_2, ofGetFrameNum() * 0.001);

					this->mesh.addVertex(glm::vec3(x + base_x, y + base_y, 0));
					this->mesh.addVertex(glm::vec3(x + span + base_x, y + base_y, 0));
					this->mesh.addVertex(glm::vec3(x + span + base_x, y + span + base_y, 0));
					this->mesh.addVertex(glm::vec3(x + base_x, y + span + base_y, 0));

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

					if (noise_value < 0.45) {

						color.setHsb(ofMap(color_noise_value_1, 0, 0.85, 0, 255), 130, 255);
					}
					else {

						color.setHsb(ofMap(color_noise_value_2, 0, 0.85, 0, 255), 130, 255);
					}
					
					for (int i = 0; i < 4; i++) {

						this->mesh.addColor(color);
					}
				}
			}
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	this->mesh.draw();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

int span = 1;

ofColor color;

for (int base_x = -240; base_x <= 240; base_x += 160) {

for (int base_y = -240; base_y <= 240; base_y += 160) {

auto color_noise_seed_1 = ofRandom(1000);

auto color_noise_seed_2 = ofRandom(1000);

for (int x = -55; x < 55; x += span) {

for (int y = -55; y < 55; y += span) {

auto noise_value = ofNoise((x + base_x) * 0.005, (y + base_y) * 0.005 + ofGetFrameNum() * 0.01, ofGetFrameNum() * 0.01);

if (noise_value > 0.45 && noise_value < 0.53) {

continue;

}

auto color_noise_value_1 = ofNoise(color_noise_seed_1, ofGetFrameNum() * 0.001);

auto color_noise_value_2 = ofNoise(color_noise_seed_2, ofGetFrameNum() * 0.001);

this->mesh.addVertex(glm::vec3(x + base_x, y + base_y, 0));

this->mesh.addVertex(glm::vec3(x + span + base_x, y + base_y, 0));

this->mesh.addVertex(glm::vec3(x + span + base_x, y + span + base_y, 0));

this->mesh.addVertex(glm::vec3(x + base_x, y + span + base_y, 0));

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

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

if (noise_value < 0.45) {

color.setHsb(ofMap(color_noise_value_1, 0, 0.85, 0, 255), 130, 255);

}

else {

color.setHsb(ofMap(color_noise_value_2, 0, 0.85, 0, 255), 130, 255);

}

for (int i = 0; i < 4; i++) {

this->mesh.addColor(color);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->mesh.draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220519

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2022年5月12日

Milky Way. Draw by openFrameworks

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[ About ]
天の川。

Milky Way.

[ 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) {};

	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 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) {};

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	
	// 配色デザイン ビビッドブルー P144
	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(18, 85, 163));
	color_palette.push_back(ofColor(0, 165, 231));
	color_palette.push_back(ofColor(93, 177, 186));
	color_palette.push_back(ofColor(44, 121, 191));
	color_palette.push_back(ofColor(136, 185, 79));
	color_palette.push_back(ofColor(246, 221, 80));
	color_palette.push_back(ofColor(200, 59, 57));
	color_palette.push_back(ofColor(255, 255, 255)); 

	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
	for (int i = 0; i < 400; i++) {

		if (i % 200 == 0) {

			noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
		}

		auto x = ofMap(ofNoise(noise_seed.x, i * 0.01 + ofGetFrameNum() * 0.0015), 0, 1, -300, 300);
		auto y = ofMap(ofNoise(noise_seed.y, i * 0.01 + ofGetFrameNum() * 0.0015), 0, 1, -300, 300);

		ofPushMatrix();
		ofTranslate(x + ofRandom(-15, 15), y + ofRandom(-15, 15));
		ofRotate(ofRandom(360));

		ofMesh mesh;
		mesh.addVertex(glm::vec3());
		mesh.addColor(color_palette[ofRandom(0, 7)]);

		int radius = ofRandom(10, 30);
		for (int k = 0; k < 5; k++) {

			auto deg = k * 72;

			mesh.addVertex(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));
			mesh.addVertex(glm::vec3(radius * 0.5 * cos((deg - 36) * DEG_TO_RAD), radius * 0.5 * sin((deg - 36) * DEG_TO_RAD), 0));
			mesh.addVertex(glm::vec3(radius * 0.5 * cos((deg + 36) * DEG_TO_RAD), radius * 0.5 * sin((deg + 36) * DEG_TO_RAD), 0));

			mesh.addIndex(0); mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 3);
			mesh.addIndex(0); mesh.addIndex(mesh.getNumVertices() - 2); mesh.addIndex(mesh.getNumVertices() - 3);

			mesh.addColor(0);
			mesh.addColor(0);
			mesh.addColor(0);
		}

		mesh.draw();

		ofPopMatrix();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

// 配色デザインビビッドブルー P144

vector<ofColor> color_palette;

color_palette.push_back(ofColor(18, 85, 163));

color_palette.push_back(ofColor(0, 165, 231));

color_palette.push_back(ofColor(93, 177, 186));

color_palette.push_back(ofColor(44, 121, 191));

color_palette.push_back(ofColor(136, 185, 79));

color_palette.push_back(ofColor(246, 221, 80));

color_palette.push_back(ofColor(200, 59, 57));

color_palette.push_back(ofColor(255, 255, 255));

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

for (int i = 0; i < 400; i++) {

if (i % 200 == 0) {

noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

}

auto x = ofMap(ofNoise(noise_seed.x, i * 0.01 + ofGetFrameNum() * 0.0015), 0, 1, -300, 300);

auto y = ofMap(ofNoise(noise_seed.y, i * 0.01 + ofGetFrameNum() * 0.0015), 0, 1, -300, 300);

ofPushMatrix();

ofTranslate(x + ofRandom(-15, 15), y + ofRandom(-15, 15));

ofRotate(ofRandom(360));

ofMesh mesh;

mesh.addVertex(glm::vec3());

mesh.addColor(color_palette[ofRandom(0, 7)]);

int radius = ofRandom(10, 30);

for (int k = 0; k < 5; k++) {

auto deg = k * 72;

mesh.addVertex(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

mesh.addVertex(glm::vec3(radius * 0.5 * cos((deg - 36) * DEG_TO_RAD), radius * 0.5 * sin((deg - 36) * DEG_TO_RAD), 0));

mesh.addVertex(glm::vec3(radius * 0.5 * cos((deg + 36) * DEG_TO_RAD), radius * 0.5 * sin((deg + 36) * DEG_TO_RAD), 0));

mesh.addIndex(0); mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 3);

mesh.addIndex(0); mesh.addIndex(mesh.getNumVertices() - 2); mesh.addIndex(mesh.getNumVertices() - 3);

mesh.addColor(0);

}

mesh.draw();

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220512

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