programming – ページ 14 – プログラミング de 落描き

2023年8月6日

Curtain pattern seen at a sushi restaurant. Draw by openFrameworks

[ Video ]

[ About ]
寿司屋で見たカーテンの柄。

[ 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;
	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) {};

ofMesh mesh;

float noise_param;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofSetColor(255);
	ofSetLineWidth(2);

	this->mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

	if (ofGetFrameNum() % 60 < 30) {

		if (ofGetFrameNum() % 60 < 15) {
		
			this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 15, 0, 0.025);
		}
		else {

			this->noise_param += ofMap(ofGetFrameNum() % 60, 15, 30, 0.025, 0);
		}
	}

	this->mesh.clear();
	for (int y = ofGetWindowHeight() * -0.5; y <= ofGetWindowHeight() * 0.5; y += 3) {

		auto x = ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, ofGetWindowWidth() * -0.65, ofGetWindowWidth() * 0.65);
		this->mesh.addVertex(glm::vec3(x - 15, y, 0));
		this->mesh.addVertex(glm::vec3(x + 15, y, 0));
		this->mesh.addIndex(this->mesh.getNumVertices() - 2);
		this->mesh.addIndex(this->mesh.getNumVertices() - 1);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	this->mesh.drawWireframe();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetColor(255);

ofSetLineWidth(2);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

if (ofGetFrameNum() % 60 < 30) {

if (ofGetFrameNum() % 60 < 15) {

this->noise_param += ofMap(ofGetFrameNum() % 60, 0, 15, 0, 0.025);

}

else {

this->noise_param += ofMap(ofGetFrameNum() % 60, 15, 30, 0.025, 0);

}

this->mesh.clear();

for (int y = ofGetWindowHeight() * -0.5; y <= ofGetWindowHeight() * 0.5; y += 3) {

auto x = ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, ofGetWindowWidth() * -0.65, ofGetWindowWidth() * 0.65);

this->mesh.addVertex(glm::vec3(x - 15, y, 0));

this->mesh.addVertex(glm::vec3(x + 15, y, 0));

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->mesh.drawWireframe();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230806

2023年8月5日

Twist twist. Draw by openFrameworks

[ Video ]

[ About ]
ねじりTwist.

[ 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(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

	this->font.loadFont("fonts/msgothic.ttc", 40, true, true, true);
	this->word = "TWIST ";
}

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


}

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

	ofTranslate(ofGetWindowSize() * 0.5 + glm::vec2(0, 20));

	ofSeedRandom(39);
	int word_index = 0;
	for (int x = -500; x <= 450; x += 50) {

		for (int y = -400; y <= 450; y += 50) {

			auto location = glm::vec3(x, y, 100);
			int word_index = (word_index + 1) % this->word.size();

			ofPath chara_path = this->font.getCharacterAsPoints(this->word[word_index], true, false);
			vector<ofPolyline> outline = chara_path.getOutline();
			
			ofFill();
			ofSetColor(0);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				ofNextContour(true);

				outline[outline_index] = outline[outline_index].getResampledByCount(100);
				auto vertices = outline[outline_index].getVertices();
				for (auto& vertex : vertices) {

					auto rotate_deg = ofMap(ofNoise(location.x, (location.y + vertex.y) * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -180, 180);
					auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					auto v = location + glm::vec4(vertex + glm::vec2(-20 , 0), 0) * rotation;

					ofVertex(v);
				}
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(255);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				ofNextContour(true);

				outline[outline_index] = outline[outline_index].getResampledByCount(100);
				auto vertices = outline[outline_index].getVertices();
				for (auto& vertex : vertices) {

					auto rotate_deg = ofMap(ofNoise(location.x, (location.y + vertex.y) * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -180, 180);
					auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					auto v = location + glm::vec4(vertex + glm::vec2(-20 , 0), 0) * rotation;

					ofVertex(v);
				}
			}
			ofEndShape(true);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(2);

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

this->font.loadFont("fonts/msgothic.ttc", 40, true, true, true);

this->word = "TWIST ";

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5 + glm::vec2(0, 20));

ofSeedRandom(39);

int word_index = 0;

for (int x = -500; x <= 450; x += 50) {

for (int y = -400; y <= 450; y += 50) {

auto location = glm::vec3(x, y, 100);

int word_index = (word_index + 1) % this->word.size();

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

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

ofFill();

ofSetColor(0);

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(100);

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

for (auto& vertex : vertices) {

auto rotate_deg = ofMap(ofNoise(location.x, (location.y + vertex.y) * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -180, 180);

auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto v = location + glm::vec4(vertex + glm::vec2(-20 , 0), 0) * rotation;

ofVertex(v);

}

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

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

ofNextContour(true);

outline[outline_index] = outline[outline_index].getResampledByCount(100);

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

for (auto& vertex : vertices) {

auto rotate_deg = ofMap(ofNoise(location.x, (location.y + vertex.y) * 0.005 + ofGetFrameNum() * 0.01), 0, 1, -180, 180);

auto rotation = glm::rotate(glm::mat4(), rotate_deg * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto v = location + glm::vec4(vertex + glm::vec2(-20 , 0), 0) * rotation;

ofVertex(v);

}

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230805

2023年8月4日

Set of points. Draw by openFrameworks

[ Video ]

[ About ]
点群。

[ 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) {};

	ofEasyCam cam;
	ofMesh mesh;
};

#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;

ofMesh mesh;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofSetColor(0, 255, 128, 32);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);
}

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

	this->mesh.clear();

	float size = 1;
	for (float x = 80; x <= ofGetWidth() - 80; x += size) {

		for (float y = 80; y <= ofGetHeight() - 80; y += size) {

			if (glm::distance(glm::vec2(x, y), ofGetWindowSize() * 0.5) < 300) {

				float deg = ofMap(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.01), 0, 1, -1800, 1800);
				this->mesh.addVertex(glm::vec3(x + size * 3 * cos(deg * DEG_TO_RAD), y + size * 3 * sin(deg * DEG_TO_RAD), ofMap(abs(deg), 0, 360, 0, 150)));
			}
		}
	}
}

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

	this->cam.begin();
	ofTranslate(ofGetWindowSize() * -0.5);

	this->mesh.drawVertices();

	this->cam.end();
}


//--------------------------------------------------------------
int main() {
	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetColor(0, 255, 128, 32);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

}

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

void ofApp::update() {

this->mesh.clear();

float size = 1;

for (float x = 80; x <= ofGetWidth() - 80; x += size) {

for (float y = 80; y <= ofGetHeight() - 80; y += size) {

if (glm::distance(glm::vec2(x, y), ofGetWindowSize() * 0.5) < 300) {

float deg = ofMap(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.01), 0, 1, -1800, 1800);

this->mesh.addVertex(glm::vec3(x + size * 3 * cos(deg * DEG_TO_RAD), y + size * 3 * sin(deg * DEG_TO_RAD), ofMap(abs(deg), 0, 360, 0, 150)));

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(ofGetWindowSize() * -0.5);

this->mesh.drawVertices();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230804

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