openframeworks – ページ 11 – プログラミング de 落描き

2023年8月15日

Smoky random walker. Draw by openFrameworks

[ Video ]

[ About ]
煙っぽいランダムウォーク。

[ 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 radius;

	vector<glm::vec2> base_location_list;
	vector<vector<glm::vec2>> log_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) {};

float radius;

vector<glm::vec2> base_location_list;

vector<vector<glm::vec2>> log_list;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofSetCircleResolution(60);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->radius = 200;
	for (float deg = 0; deg < 360; deg += 0.5) {

		auto location = glm::vec2(this->radius * cos(deg * DEG_TO_RAD), this->radius * sin(deg * DEG_TO_RAD));
		this->base_location_list.push_back(location);
	}
}

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

	this->log_list.clear();

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

		vector<glm::vec2> log;
		log.push_back(this->base_location_list[i]);
		this->log_list.push_back(log);
	}

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

		int k = 0;
		while (true) {

			auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.0085, ofGetFrameNum() * 0.025 + k * 0.002)), 0, 1, -360, 360);
			auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

			if (glm::distance(glm::vec2(0, 0), next) > this->radius - 50 && glm::distance(glm::vec2(0, 0), next) < this->radius + 50) {

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

				break;
			}

			k++;
		}
	}
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	ofColor color;
	color.setHsb(200, 255, 255);
	ofSetColor(color, 64);

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

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

	ofSetColor(color, 128);
	ofDrawCircle(glm::vec2(), this->radius - 50);
	ofDrawCircle(glm::vec2(), this->radius);
	ofDrawCircle(glm::vec2(), this->radius + 50);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetCircleResolution(60);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->radius = 200;

for (float deg = 0; deg < 360; deg += 0.5) {

auto location = glm::vec2(this->radius * cos(deg * DEG_TO_RAD), this->radius * sin(deg * DEG_TO_RAD));

this->base_location_list.push_back(location);

}

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

void ofApp::update() {

this->log_list.clear();

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

vector<glm::vec2> log;

log.push_back(this->base_location_list[i]);

this->log_list.push_back(log);

}

int step = 1;

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

int k = 0;

while (true) {

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.0085, ofGetFrameNum() * 0.025 + k * 0.002)), 0, 1, -360, 360);

auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

if (glm::distance(glm::vec2(0, 0), next) > this->radius - 50 && glm::distance(glm::vec2(0, 0), next) < this->radius + 50) {

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

}

else {

break;

}

k++;

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofColor color;

color.setHsb(200, 255, 255);

ofSetColor(color, 64);

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

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

ofSetColor(color, 128);

ofDrawCircle(glm::vec2(), this->radius - 50);

ofDrawCircle(glm::vec2(), this->radius);

ofDrawCircle(glm::vec2(), this->radius + 50);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230815

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2023年8月14日

Noisy pattern. Draw by openFrameworks

[ Video ]

[ About ]
ノイズ模様。

[ 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) {};

	ofMesh mesh;
};

#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) {};

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

	this->mesh.clear();

	float span = 0.5;

	for (float x = ofGetWindowWidth() * -0.5 + 30; x < ofGetWindowWidth() * 0.5 - 30 - span; x += span) {

		for (float y = ofGetWindowHeight() * -0.5 + 30; y < ofGetWindowHeight() * 0.5 - 30 - span; y += span) {

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

			for (int i = this->mesh.getNumVertices() - 4; i < this->mesh.getNumVertices(); i++) {

				auto noise_location = glm::normalize(this->mesh.getVertex(i)) * 1.5;
				auto noise_value = ofMap(ofNoise(noise_location.x, noise_location.y, glm::length(this->mesh.getVertex(i)) * 0.008 - ofGetFrameNum() * 0.06), 0, 1, 0, 6);
				int int_noise_value = noise_value;
				float param = noise_value - int_noise_value;
				param = abs(param - 0.5);
				auto alpha = param < 0.35 ? ofMap(param, 0, 0.35, 255, 0) : 0;

				this->mesh.addColor(ofColor(0, alpha));
			}

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

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

	ofTranslate(ofGetWindowSize() * 0.5);
	this->mesh.draw();

	/*
	ostringstream os;
	os << setw(4) << setfill('0') << ofGetFrameNum();
	ofImage image;
	image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
	image.saveImage("image/cap/img_" + os.str() + ".jpg");
	if (ofGetFrameNum() >= 20 * 25) {

		std::exit(1);
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

this->mesh.clear();

float span = 0.5;

for (float x = ofGetWindowWidth() * -0.5 + 30; x < ofGetWindowWidth() * 0.5 - 30 - span; x += span) {

for (float y = ofGetWindowHeight() * -0.5 + 30; y < ofGetWindowHeight() * 0.5 - 30 - span; y += span) {

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

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

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

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

for (int i = this->mesh.getNumVertices() - 4; i < this->mesh.getNumVertices(); i++) {

auto noise_location = glm::normalize(this->mesh.getVertex(i)) * 1.5;

auto noise_value = ofMap(ofNoise(noise_location.x, noise_location.y, glm::length(this->mesh.getVertex(i)) * 0.008 - ofGetFrameNum() * 0.06), 0, 1, 0, 6);

int int_noise_value = noise_value;

float param = noise_value - int_noise_value;

param = abs(param - 0.5);

auto alpha = param < 0.35 ? ofMap(param, 0, 0.35, 255, 0) : 0;

this->mesh.addColor(ofColor(0, alpha));

}

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->mesh.draw();

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum();

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() >= 20 * 25) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230814

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Amazon

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2023年8月13日2023年8月13日

Waving. Draw by openFrameworks

[ Video ]

[ About ]
波なみ。

[ 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) {};

	ofMesh mesh;
};

#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) {};

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableDepthTest();
}

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

	this->mesh.clear();

	float span = 1;
	ofColor color;

	for (float x = ofGetWindowWidth() * -0.5 + 30; x < ofGetWindowWidth() * 0.5 - 30 - span; x += span) {

		for (float y = ofGetWindowHeight() * -0.5 + 30; y < ofGetWindowHeight() * 0.5 - 30 - span; y += span) {

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

			for (int i = this->mesh.getNumVertices() - 4; i < this->mesh.getNumVertices(); i++) {

				auto noise_value = ofMap(ofNoise(this->mesh.getVertex(i).x * 0.002, this->mesh.getVertex(i).y * 0.002, glm::length(this->mesh.getVertex(i)) * 0.03 - ofGetFrameNum() * 0.03), 0, 1, 0, 3);
				int int_noise_value = noise_value;
				float param = noise_value - int_noise_value;
				param = abs(param - 0.5);

				auto hue = int_noise_value == 0 ? 0 : int_noise_value == 1 ? 140 : 192;
				auto alpha = param < 0.35 ? ofMap(param, 0, 0.35, 255, 0) : 0;

				color.setHsb(hue, 255, 255, alpha);
				this->mesh.addColor(color);
			}

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

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

	ofTranslate(ofGetWindowSize() * 0.5);
	this->mesh.draw();

	//ostringstream os;
	//os << setw(4) << setfill('0') << ofGetFrameNum();
	//ofImage image;
	//image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
	//image.saveImage("image/cap/img_" + os.str() + ".jpg");
	//if (ofGetFrameNum() >= 20 * 25) {

	//	std::exit(1);
	//}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

this->mesh.clear();

float span = 1;

ofColor color;

for (float x = ofGetWindowWidth() * -0.5 + 30; x < ofGetWindowWidth() * 0.5 - 30 - span; x += span) {

for (float y = ofGetWindowHeight() * -0.5 + 30; y < ofGetWindowHeight() * 0.5 - 30 - span; y += span) {

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

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

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

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

for (int i = this->mesh.getNumVertices() - 4; i < this->mesh.getNumVertices(); i++) {

auto noise_value = ofMap(ofNoise(this->mesh.getVertex(i).x * 0.002, this->mesh.getVertex(i).y * 0.002, glm::length(this->mesh.getVertex(i)) * 0.03 - ofGetFrameNum() * 0.03), 0, 1, 0, 3);

int int_noise_value = noise_value;

float param = noise_value - int_noise_value;

param = abs(param - 0.5);

auto hue = int_noise_value == 0 ? 0 : int_noise_value == 1 ? 140 : 192;

auto alpha = param < 0.35 ? ofMap(param, 0, 0.35, 255, 0) : 0;

color.setHsb(hue, 255, 255, alpha);

this->mesh.addColor(color);

}

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->mesh.draw();

//ostringstream os;

//os << setw(4) << setfill('0') << ofGetFrameNum();

//ofImage image;

//image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

//image.saveImage("image/cap/img_" + os.str() + ".jpg");

//if (ofGetFrameNum() >= 20 * 25) {

// std::exit(1);

//}

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230813

[ほしいものリスト]
Amazon

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