2024年3月 – ページ 5 – プログラミング de 落描き

2024年3月19日

Zeros.

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零s.

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#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;

	ofTrueTypeFont font;
	string word;
};

#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;

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"	

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofEnableDepthTest();
	ofSetLineWidth(1);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true);
	this->word = "0123456789";
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * 1.44);

	ofSeedRandom(39);
	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	for (int z = -150; z < 150; z += 3) {

		auto base_location = glm::vec3(-25, 25, z);

		ofPushMatrix();
		ofTranslate(base_location);
		ofRotateZ(ofMap(ofNoise(noise_seed.x, z * 0.004 + ofGetFrameNum() * 0.005), 0, 1, -180, 180));
		ofRotateY(ofMap(ofNoise(noise_seed.y, z * 0.004 + ofGetFrameNum() * 0.005), 0, 1, -180, 180));
		ofRotateX(ofMap(ofNoise(noise_seed.z, z * 0.004 + ofGetFrameNum() * 0.005), 0, 1, -180, 180));

		ofPath chara_path = this->font.getCharacterAsPoints(this->word[0], 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);

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

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

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

			ofNextContour(true);

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

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

		ofPopMatrix();
	}

	this->cam.end();

	/*
	int start = 300;
	if (ofGetFrameNum() > start) {

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

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

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

ofSetLineWidth(1);

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

this->word = "0123456789";

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum() * 1.44);

ofSeedRandom(39);

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

for (int z = -150; z < 150; z += 3) {

auto base_location = glm::vec3(-25, 25, z);

ofPushMatrix();

ofTranslate(base_location);

ofRotateZ(ofMap(ofNoise(noise_seed.x, z * 0.004 + ofGetFrameNum() * 0.005), 0, 1, -180, 180));

ofRotateY(ofMap(ofNoise(noise_seed.y, z * 0.004 + ofGetFrameNum() * 0.005), 0, 1, -180, 180));

ofRotateX(ofMap(ofNoise(noise_seed.z, z * 0.004 + ofGetFrameNum() * 0.005), 0, 1, -180, 180));

ofPath chara_path = this->font.getCharacterAsPoints(this->word[0], 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);

auto vertices = outline[outline_index].getResampledByCount(100).getVertices();

for (auto& vertex : vertices) {

ofVertex(vertex);

}

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

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

ofNextContour(true);

auto vertices = outline[outline_index].getResampledByCount(100).getVertices();

for (auto& vertex : vertices) {

ofVertex(vertex);

}

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

int start = 300;

if (ofGetFrameNum() > start) {

ostringstream os;

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

ofImage image;

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

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

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

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240319

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2024年3月18日2024年3月19日

Number chain.

[ Video ]

[ About ]
数字のチェーン。

[ 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;

	ofTrueTypeFont font;
	string word;

	float noise_param;
};

#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;

ofTrueTypeFont font;

string word;

float noise_param;

};

#include "ofApp.h"	

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofEnableDepthTest();
	ofSetLineWidth(2);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 50, true, true, true);
	//this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	this->word = "0123456789";

	this->noise_param = ofRandom(1000);
}

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

	ofSeedRandom(39);

	this->noise_param += 0.001;
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.44);

	ofSeedRandom(39);
	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	for (int z = 150; z < 280; z += 1) {

		ofPushMatrix();
		ofRotateZ(ofMap(ofNoise(noise_seed.x, z * 0.008 + ofGetFrameNum() * 0.0015), 0, 1, -360, 360));
		ofRotateY(ofMap(ofNoise(noise_seed.y, z * 0.008 + ofGetFrameNum() * 0.0015), 0, 1, -360, 360));
		ofRotateX(ofMap(ofNoise(noise_seed.z, z * 0.008 + ofGetFrameNum() * 0.0015), 0, 1, -360, 360));

		auto base_location = glm::vec3(-25, 25, z);

		ofPath chara_path = this->font.getCharacterAsPoints(this->word[(int)ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, 0, 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].getResampledByCount(100).getVertices();
			for (auto& vertex : vertices) {

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

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

			ofNextContour(true);

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

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

		ofPopMatrix();
	}

	this->cam.end();

	/*
	int start = 400;
	if (ofGetFrameNum() > start) {

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

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

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

ofSetLineWidth(2);

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

//this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

this->word = "0123456789";

this->noise_param = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->noise_param += 0.001;

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

ofSeedRandom(39);

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

for (int z = 150; z < 280; z += 1) {

ofPushMatrix();

ofRotateZ(ofMap(ofNoise(noise_seed.x, z * 0.008 + ofGetFrameNum() * 0.0015), 0, 1, -360, 360));

ofRotateY(ofMap(ofNoise(noise_seed.y, z * 0.008 + ofGetFrameNum() * 0.0015), 0, 1, -360, 360));

ofRotateX(ofMap(ofNoise(noise_seed.z, z * 0.008 + ofGetFrameNum() * 0.0015), 0, 1, -360, 360));

auto base_location = glm::vec3(-25, 25, z);

ofPath chara_path = this->font.getCharacterAsPoints(this->word[(int)ofMap(ofNoise(ofRandom(1000), this->noise_param), 0, 1, 0, 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].getResampledByCount(100).getVertices();

for (auto& vertex : vertices) {

ofVertex(vertex + base_location);

}

ofEndShape(true);

ofNoFill();

ofSetColor(0);

ofBeginShape();

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

ofNextContour(true);

auto vertices = outline[outline_index].getResampledByCount(100).getVertices();

for (auto& vertex : vertices) {

ofVertex(vertex + base_location);

}

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

int start = 400;

if (ofGetFrameNum() > start) {

ostringstream os;

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

ofImage image;

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

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

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

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240318

[ほしいものリスト]
Amazon

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2024年3月17日

Multi color.

[ Video ]

[ About ]
マルチカラー。

[ 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) {};

	glm::vec3 make_point(float R, float r, float u, float v, float scale = 1.0);

	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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

glm::vec3 make_point(float R, float r, float u, float v, float scale = 1.0);

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	//ofRotateY(ofGetFrameNum() * 1.44);

	float phi_deg_step = 0.1;
	float theta_deg_step = 0.1;

	float R = 230;
	float r = R * 0.3;

	float threshold_1 = 0.5 - 0.0125;
	float threshold_2 = 0.5 + 0.0125;

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

		ofMesh mesh;

		ofColor face_color;
		face_color.setHsb(ofMap(i, 0, 4, 0, 255), 200, 255);

		auto noise_seed = ofRandom(100);

		for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

			for (float theta_deg = 0; theta_deg < 360; theta_deg += theta_deg_step) {

				auto noise_location = this->make_point(R, r, theta_deg, phi_deg) * 0.01;
				auto noise_value = ofNoise(noise_location.x, noise_location.y, noise_location.z, noise_seed + ofGetFrameNum() * 0.01);
				if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

				float alpha = ofMap(abs(noise_value - 0.5), 0, 0.0125, 255, 0);

				auto index = mesh.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));
				vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));
				vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));
				vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));

				mesh.addVertices(vertices);

				mesh.addIndex(index + 0); mesh.addIndex(index + 1); mesh.addIndex(index + 3);
				mesh.addIndex(index + 0); mesh.addIndex(index + 3); mesh.addIndex(index + 2);

				for (auto& vertex : vertices) {

					mesh.addColor(ofColor(face_color, alpha));
				}
			}
		}

		mesh.draw();
	}

	/*
	int start = 1;
	if (ofGetFrameNum() > start) {

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

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

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v, float scale) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u) * scale) * cos(v);
	auto y = (R + r * cos(u) * scale) * sin(v);
	auto z = r * sin(u) * scale;

	return glm::vec3(x, y, z);
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

//ofRotateY(ofGetFrameNum() * 1.44);

float phi_deg_step = 0.1;

float theta_deg_step = 0.1;

float R = 230;

float r = R * 0.3;

float threshold_1 = 0.5 - 0.0125;

float threshold_2 = 0.5 + 0.0125;

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

ofMesh mesh;

ofColor face_color;

face_color.setHsb(ofMap(i, 0, 4, 0, 255), 200, 255);

auto noise_seed = ofRandom(100);

for (float phi_deg = 0; phi_deg < 360; phi_deg += phi_deg_step) {

for (float theta_deg = 0; theta_deg < 360; theta_deg += theta_deg_step) {

auto noise_location = this->make_point(R, r, theta_deg, phi_deg) * 0.01;

auto noise_value = ofNoise(noise_location.x, noise_location.y, noise_location.z, noise_seed + ofGetFrameNum() * 0.01);

if (noise_value <= threshold_1 || noise_value >= threshold_2) { continue; }

float alpha = ofMap(abs(noise_value - 0.5), 0, 0.0125, 255, 0);

auto index = mesh.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg - phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, phi_deg + phi_deg_step * 0.5)));

mesh.addVertices(vertices);

mesh.addIndex(index + 0); mesh.addIndex(index + 1); mesh.addIndex(index + 3);

mesh.addIndex(index + 0); mesh.addIndex(index + 3); mesh.addIndex(index + 2);

for (auto& vertex : vertices) {

mesh.addColor(ofColor(face_color, alpha));

}

mesh.draw();

}

int start = 1;

if (ofGetFrameNum() > start) {

ostringstream os;

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

ofImage image;

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

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

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

std::exit(1);

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v, float scale) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u) * scale) * cos(v);

auto y = (R + r * cos(u) * scale) * sin(v);

auto z = r * sin(u) * scale;

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240317

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Amazon

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2024年3月
月	火	水	木	金	土	日
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