noise – ページ 45 – プログラミング de 落描き

2023年2月3日

Fixed distance. Draw by openFrameworks

[ Video ]

[ About ]
一定距離離れる。

[ 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) {};

	ofEasyCam cam;

	vector<glm::vec2> location_list;
	vector<ofColor> color_list;
	vector<int> index_list;

	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 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;

vector<glm::vec2> location_list;

vector<ofColor> color_list;

vector<int> index_list;

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"	

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

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

	ofBackground(255);
	ofSetLineWidth(2);
	//ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15, true, true, true);
	this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

	vector<glm::vec2> location_list;
	ofColor color;
	for (int x = -400 - 15; x <= 400 - 15; x += 15) {

		for (int y = -400 + 15; y <= 400 + 15; y += 20) {

			this->location_list.push_back(glm::vec2(x + 10, y - 10));
			color.setHsb(ofRandom(255), 255, 255);
			this->color_list.push_back(color);
			this->index_list.push_back(ofRandom(this->word.size()));
		}
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(120);

	auto noise_location = glm::vec3(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -200, 200), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -200, 200), 30);
	ofSetColor(0);
	ofDrawSphere(noise_location - glm::vec3(0, 0, 30), 10);
	ofColor color;
	for (int i = 0; i < this->location_list.size(); i++) {

		auto distance = glm::distance(noise_location, glm::vec3(this->location_list[i], 0));
		auto deg = glm::vec3();
		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		if (distance < 150) {

			auto gap = glm::vec3(this->location_list[i], 0) - noise_location;
			auto location = noise_location + glm::normalize(gap) * 150;

			deg.x = ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.02), 0, 1, -180, 180);
			deg.y = ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.02), 0, 1, -180, 180);
			deg.z = ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.02), 0, 1, -180, 180);

			ofPushMatrix();
			ofTranslate(location);
			ofRotateZ(deg.z);
			ofRotateY(deg.y);
			ofRotateX(deg.x);

			this->index_list[i] = (this->index_list[i] + 1) % this->word.size();

		}
		else {

			ofPushMatrix();
			ofTranslate(this->location_list[i]);
			ofRotateZ(deg.z);
			ofRotateY(deg.y);
			ofRotateX(deg.x);

		}

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


		ofFill();
		ofSetColor(this->color_list[i], 128);
		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 + glm::vec2(-6, 8));
			}
		}
		ofEndShape(true);

		ofNoFill();
		ofSetColor(this->color_list[i]);
		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 + glm::vec2(-6, 8));
			}
		}
		ofEndShape(true);

		ofPopMatrix();
	}

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(2);

//ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15, true, true, true);

this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

vector<glm::vec2> location_list;

ofColor color;

for (int x = -400 - 15; x <= 400 - 15; x += 15) {

for (int y = -400 + 15; y <= 400 + 15; y += 20) {

this->location_list.push_back(glm::vec2(x + 10, y - 10));

color.setHsb(ofRandom(255), 255, 255);

this->color_list.push_back(color);

this->index_list.push_back(ofRandom(this->word.size()));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(120);

auto noise_location = glm::vec3(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -200, 200), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -200, 200), 30);

ofSetColor(0);

ofDrawSphere(noise_location - glm::vec3(0, 0, 30), 10);

ofColor color;

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

auto distance = glm::distance(noise_location, glm::vec3(this->location_list[i], 0));

auto deg = glm::vec3();

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

if (distance < 150) {

auto gap = glm::vec3(this->location_list[i], 0) - noise_location;

auto location = noise_location + glm::normalize(gap) * 150;

deg.x = ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.02), 0, 1, -180, 180);

deg.y = ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.02), 0, 1, -180, 180);

deg.z = ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.02), 0, 1, -180, 180);

ofPushMatrix();

ofTranslate(location);

ofRotateZ(deg.z);

ofRotateY(deg.y);

ofRotateX(deg.x);

this->index_list[i] = (this->index_list[i] + 1) % this->word.size();

}

else {

ofPushMatrix();

ofTranslate(this->location_list[i]);

ofRotateZ(deg.z);

ofRotateY(deg.y);

ofRotateX(deg.x);

}

ofPath chara_path = this->font.getCharacterAsPoints(this->word[this->index_list[i]], true, false);

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

ofFill();

ofSetColor(this->color_list[i], 128);

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 + glm::vec2(-6, 8));

}

ofEndShape(true);

ofNoFill();

ofSetColor(this->color_list[i]);

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 + glm::vec2(-6, 8));

}

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230203

2023年1月31日

River of letters. Draw by openFrameworks

[ Video ]

[ About ]
文字の川。

[ 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) {};

	vector<glm::vec2> location_list;
	vector<ofColor> color_list;
	vector<int> index_list;
	vector<bool> flag_list;

	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 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) {};

vector<glm::vec2> location_list;

vector<ofColor> color_list;

vector<int> index_list;

vector<bool> flag_list;

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"	

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

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

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

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 25, true, true, true);
	this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

	vector<glm::vec2> location_list;
	ofColor color;
	for (int x = -300 - 15; x <= 300 - 15; x += 30) {

		for (int y = -300 + 15; y <= 300 + 15; y += 30) {
			
			this->location_list.push_back(glm::vec2(x + 15, y - 15));
			color.setHsb(ofRandom(255), 100, 255);
			this->color_list.push_back(color);
			this->index_list.push_back(ofRandom(this->word.size()));
			this->flag_list.push_back(false);
		}
	}
}

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

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

		auto y = ofMap(ofNoise(this->location_list[i].x * 0.003 + ofGetFrameNum() * 0.02), 0, 1, -460, 460);
		this->flag_list[i] = false;

		if (abs(this->location_list[i].y - y) < 60) {

			color.setHsb(ofRandom(255), 100, 255);
			this->color_list[i] = color;
			this->index_list[i] = (ofRandom(this->word.size()));
			this->flag_list[i] = true;
		}
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofPushMatrix();
		ofTranslate(this->location_list[i]);

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

		if (flag_list[i]) {

			ofFill();
			ofSetColor(this->color_list[i], 200);
			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 + glm::vec2(-8, 15));
				}
			}
			ofEndShape(true);
		}

		ofNoFill();
		ofSetColor(this->color_list[i]);
		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 + glm::vec2(-8, 15));
			}
		}
		ofEndShape(true);

		ofPopMatrix();
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 25, true, true, true);

this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

vector<glm::vec2> location_list;

ofColor color;

for (int x = -300 - 15; x <= 300 - 15; x += 30) {

for (int y = -300 + 15; y <= 300 + 15; y += 30) {

this->location_list.push_back(glm::vec2(x + 15, y - 15));

color.setHsb(ofRandom(255), 100, 255);

this->color_list.push_back(color);

this->index_list.push_back(ofRandom(this->word.size()));

this->flag_list.push_back(false);

}

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

void ofApp::update() {

ofColor color;

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

auto y = ofMap(ofNoise(this->location_list[i].x * 0.003 + ofGetFrameNum() * 0.02), 0, 1, -460, 460);

this->flag_list[i] = false;

if (abs(this->location_list[i].y - y) < 60) {

color.setHsb(ofRandom(255), 100, 255);

this->color_list[i] = color;

this->index_list[i] = (ofRandom(this->word.size()));

this->flag_list[i] = true;

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

ofPushMatrix();

ofTranslate(this->location_list[i]);

ofPath chara_path = this->font.getCharacterAsPoints(this->word[this->index_list[i]], true, false);

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

if (flag_list[i]) {

ofFill();

ofSetColor(this->color_list[i], 200);

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 + glm::vec2(-8, 15));

}

ofEndShape(true);

}

ofNoFill();

ofSetColor(this->color_list[i]);

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 + glm::vec2(-8, 15));

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230131

2023年1月29日

Water droplets. Draw by openFrameworks

[ Video ]

[ About ]
水滴。

[ 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) {};
};

#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) {};

};

#include "ofApp.h"	

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

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

	ofBackground(255);
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto numberOfActor = 300;
	ofColor color;

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

		auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
		auto len = ofMap(i, 0, numberOfActor, 80, 750);
		color.setHsb(ofMap(ofNoise(ofRandom(255), ofGetFrameNum() * 0.001), 0, 1, 0, 255), 100, 255);
		
		ofSetColor(39);
		for (int k = 0; k < 100; k++) {

			auto location = glm::vec3(
				ofMap(ofNoise(noise_seed.x, k * 0.001 + ofGetFrameNum() * 0.0018), 0, 1, -350, 350),
				ofMap(ofNoise(noise_seed.y, k * 0.001 + ofGetFrameNum() * 0.0018), 0, 1, -350, 350), 0);

			ofDrawCircle(glm::normalize(location) * len, 12);
		}
		
		ofSetColor(color);
		for (int k = 0; k < 100; k++) {

			auto location = glm::vec3(
				ofMap(ofNoise(noise_seed.x, k * 0.001 + ofGetFrameNum() * 0.0018), 0, 1, -350, 350),
				ofMap(ofNoise(noise_seed.y, k * 0.001 + ofGetFrameNum() * 0.0018), 0, 1, -350, 350), 0);

			ofDrawCircle(glm::normalize(location) * len, 10);
		}
	}
}


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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto numberOfActor = 300;

ofColor color;

ofSeedRandom(39);

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

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

auto len = ofMap(i, 0, numberOfActor, 80, 750);

color.setHsb(ofMap(ofNoise(ofRandom(255), ofGetFrameNum() * 0.001), 0, 1, 0, 255), 100, 255);

ofSetColor(39);

for (int k = 0; k < 100; k++) {

auto location = glm::vec3(

ofMap(ofNoise(noise_seed.x, k * 0.001 + ofGetFrameNum() * 0.0018), 0, 1, -350, 350),

ofMap(ofNoise(noise_seed.y, k * 0.001 + ofGetFrameNum() * 0.0018), 0, 1, -350, 350), 0);

ofDrawCircle(glm::normalize(location) * len, 12);

}

ofSetColor(color);

for (int k = 0; k < 100; k++) {

auto location = glm::vec3(

ofMap(ofNoise(noise_seed.x, k * 0.001 + ofGetFrameNum() * 0.0018), 0, 1, -350, 350),

ofMap(ofNoise(noise_seed.y, k * 0.001 + ofGetFrameNum() * 0.0018), 0, 1, -350, 350), 0);

ofDrawCircle(glm::normalize(location) * len, 10);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230129

2025年7月
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