RandomWalk – ページ 12 – プログラミング de 落描き

2023年6月16日

Observe the random walkers. Draw by openFrameworks

[ Video ]

[ About ]
ランダムウォーカーを観察する。

[ 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) {};
};

#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(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofSetLineWidth(1.5);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto radius = 10;
	auto number = 9;
	auto len = 30;
	for (int i = 0; i < number; i++) {

		auto x_min = 240 * (i % 3) - 360;
		auto x_max = 240 * (i % 3) - 120;

		auto y_min = 240 * (i / 3) - 360;
		auto y_max = 240 * (i / 3) - 120;

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

			auto location = glm::vec2(
				ofMap(ofNoise(noise_seed.x * 0.03, ofGetFrameNum() * 0.02 + k * 0.02), 0, 1, x_min + 10, x_max - 10),
				ofMap(ofNoise(noise_seed.y * 0.03, ofGetFrameNum() * 0.02 + k * 0.02), 0, 1, y_min + 10, y_max - 10));
			auto next_location = glm::vec2(
				ofMap(ofNoise(noise_seed.x * 0.03, ofGetFrameNum() * 0.02 + k * 0.02 + 0.002), 0, 1, x_min + 10 , x_max - 10),
				ofMap(ofNoise(noise_seed.y * 0.03, ofGetFrameNum() * 0.02 + k * 0.02 + 0.002), 0, 1, y_min + 10, y_max - 10));

			auto deg = atan2(next_location.y - location.y, next_location.x - location.x) * RAD_TO_DEG;

			ofPushMatrix();
			ofTranslate(location);
			ofRotate(deg);

			ofColor color;
			color.setHsb(ofMap(i, 0, number, 0, 255), 180, 255);
			ofSetColor(color, ofMap(k, 0, len, 32, 255));
			ofNoFill();

			ofBeginShape();
			for (int d = -120; d <= 120; d += 120) {

				ofVertex(radius * cos(d * DEG_TO_RAD), radius * sin(d * DEG_TO_RAD));
			}
			ofEndShape(false);

			ofPopMatrix();

		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofSetLineWidth(1.5);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto radius = 10;

auto number = 9;

auto len = 30;

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

auto x_min = 240 * (i % 3) - 360;

auto x_max = 240 * (i % 3) - 120;

auto y_min = 240 * (i / 3) - 360;

auto y_max = 240 * (i / 3) - 120;

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

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

auto location = glm::vec2(

ofMap(ofNoise(noise_seed.x * 0.03, ofGetFrameNum() * 0.02 + k * 0.02), 0, 1, x_min + 10, x_max - 10),

ofMap(ofNoise(noise_seed.y * 0.03, ofGetFrameNum() * 0.02 + k * 0.02), 0, 1, y_min + 10, y_max - 10));

auto next_location = glm::vec2(

ofMap(ofNoise(noise_seed.x * 0.03, ofGetFrameNum() * 0.02 + k * 0.02 + 0.002), 0, 1, x_min + 10 , x_max - 10),

ofMap(ofNoise(noise_seed.y * 0.03, ofGetFrameNum() * 0.02 + k * 0.02 + 0.002), 0, 1, y_min + 10, y_max - 10));

auto deg = atan2(next_location.y - location.y, next_location.x - location.x) * RAD_TO_DEG;

ofPushMatrix();

ofTranslate(location);

ofRotate(deg);

ofColor color;

color.setHsb(ofMap(i, 0, number, 0, 255), 180, 255);

ofSetColor(color, ofMap(k, 0, len, 32, 255));

ofNoFill();

ofBeginShape();

for (int d = -120; d <= 120; d += 120) {

ofVertex(radius * cos(d * DEG_TO_RAD), radius * sin(d * DEG_TO_RAD));

}

ofEndShape(false);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230616

2023年6月15日

Ramdom rail. Draw by openFrameworks

[ Video ]

[ About ]
ランダム・レール。

[ 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) {};
};

#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(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto len = 50;
	for (int i = 0; i < 1; i++) {

		auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
		for (int k = 0; k < 30; k++) {

			auto location = glm::vec2(
				ofMap(ofNoise(noise_seed.x * 0.03, ofGetFrameNum() * 0.02 + k * 0.02), 0, 1, -320, 320),
				ofMap(ofNoise(noise_seed.y * 0.03, ofGetFrameNum() * 0.02 + k * 0.02), 0, 1, -320, 320));
			auto next_location = glm::vec2(
				ofMap(ofNoise(noise_seed.x * 0.03, ofGetFrameNum() * 0.02 + k * 0.02 + 0.002), 0, 1, -320, 320),
				ofMap(ofNoise(noise_seed.y * 0.03, ofGetFrameNum() * 0.02 + k * 0.02 + 0.002), 0, 1, -320, 320));

			auto deg = atan2(next_location.y - location.y, next_location.x - location.x) * RAD_TO_DEG;

			ofPushMatrix();
			ofTranslate(location);

			auto location_1 = glm::vec2(len * cos((deg + 90) * DEG_TO_RAD), len * sin((deg + 90) * DEG_TO_RAD));
			auto location_2 = glm::vec2(len * cos((deg - 90) * DEG_TO_RAD), len * sin((deg - 90) * DEG_TO_RAD));

			ofSetColor(0, ofMap(k, 0, 30, 32, 255));

			ofDrawLine(location_1, location_2);
			ofDrawCircle(location_1, 3);
			ofDrawCircle(location_2, 3);

			ofPopMatrix();

		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto len = 50;

for (int i = 0; i < 1; i++) {

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

for (int k = 0; k < 30; k++) {

auto location = glm::vec2(

ofMap(ofNoise(noise_seed.x * 0.03, ofGetFrameNum() * 0.02 + k * 0.02), 0, 1, -320, 320),

ofMap(ofNoise(noise_seed.y * 0.03, ofGetFrameNum() * 0.02 + k * 0.02), 0, 1, -320, 320));

auto next_location = glm::vec2(

ofMap(ofNoise(noise_seed.x * 0.03, ofGetFrameNum() * 0.02 + k * 0.02 + 0.002), 0, 1, -320, 320),

ofMap(ofNoise(noise_seed.y * 0.03, ofGetFrameNum() * 0.02 + k * 0.02 + 0.002), 0, 1, -320, 320));

auto deg = atan2(next_location.y - location.y, next_location.x - location.x) * RAD_TO_DEG;

ofPushMatrix();

ofTranslate(location);

auto location_1 = glm::vec2(len * cos((deg + 90) * DEG_TO_RAD), len * sin((deg + 90) * DEG_TO_RAD));

auto location_2 = glm::vec2(len * cos((deg - 90) * DEG_TO_RAD), len * sin((deg - 90) * DEG_TO_RAD));

ofSetColor(0, ofMap(k, 0, 30, 32, 255));

ofDrawLine(location_1, location_2);

ofDrawCircle(location_1, 3);

ofDrawCircle(location_2, 3);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230615

2023年6月6日

Overwrite letters. Draw by openFrameworks

[ Video ]

[ About ]
文字を重ねる。

[ 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) {};

	ofTrueTypeFont font;
	string word;
};

#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) {};

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetLineWidth(3);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true);
	this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
}

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


}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSeedRandom(39);
	for (int i = 0; i < 400; i++) {

		auto deg = ofRandom(360);
		auto radius = int(ofRandom(720) + ofGetFrameNum() * ofRandom(3, 8)) % 720;
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		
		ofPushMatrix();
		ofTranslate(location);
		ofRotate(ofRandom(360));

		ofPath chara_path = this->font.getCharacterAsPoints(this->word[(int)ofRandom(this->word.size())], true, false);
		vector<ofPolyline> outline = chara_path.getOutline();

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			ofNextContour(true);

			auto vertices = outline[outline_index].getVertices();
			for (auto& vertex : vertices) {

				ofVertex(vertex);
			}
		}
		ofEndShape(true);

		ofPopMatrix();
	}

	ofSeedRandom(39);
	for (int i = 0; i < 400; i++) {

		auto deg = ofRandom(360);
		auto radius = int(ofRandom(720) + ofGetFrameNum() * ofRandom(3, 8)) % 720;
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

		ofPushMatrix();
		ofTranslate(location);
		ofRotate(ofRandom(360));

		ofPath chara_path = this->font.getCharacterAsPoints(this->word[(int)ofRandom(this->word.size())], true, false);
		vector<ofPolyline> outline = chara_path.getOutline();

		ofFill();
		ofSetColor(239);
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			ofNextContour(true);

			auto vertices = outline[outline_index].getVertices();
			for (auto& vertex : vertices) {

				ofVertex(vertex);
			}
		}
		ofEndShape(true);

		ofPopMatrix();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true);

this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSeedRandom(39);

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

auto deg = ofRandom(360);

auto radius = int(ofRandom(720) + ofGetFrameNum() * ofRandom(3, 8)) % 720;

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

ofPushMatrix();

ofTranslate(location);

ofRotate(ofRandom(360));

ofPath chara_path = this->font.getCharacterAsPoints(this->word[(int)ofRandom(this->word.size())], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofNoFill();

ofSetColor(39);

ofBeginShape();

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

ofNextContour(true);

auto vertices = outline[outline_index].getVertices();

for (auto& vertex : vertices) {

ofVertex(vertex);

}

ofEndShape(true);

ofPopMatrix();

}

ofSeedRandom(39);

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

auto deg = ofRandom(360);

auto radius = int(ofRandom(720) + ofGetFrameNum() * ofRandom(3, 8)) % 720;

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

ofPushMatrix();

ofTranslate(location);

ofRotate(ofRandom(360));

ofPath chara_path = this->font.getCharacterAsPoints(this->word[(int)ofRandom(this->word.size())], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

ofFill();

ofSetColor(239);

ofBeginShape();

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

ofNextContour(true);

auto vertices = outline[outline_index].getVertices();

for (auto& vertex : vertices) {

ofVertex(vertex);

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230606

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