プログラミング de 落描き – ページ 33 – クリエイティブ・コーディングによる生成物とソース

2024年8月23日

Rings.

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#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);

	ofEasyCam cam;
	ofMesh face, line;
};

#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);

ofEasyCam cam;

ofMesh face, line;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);
}

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

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

	float phi_deg_step = 2;
	float theta_deg_step = 10;

	float R = 250;
	float r = R * 0.15;

	for (float phi_deg = 0; phi_deg < 45; phi_deg += phi_deg_step * 2) {

		this->face.clear();
		this->line.clear();

		ofPushMatrix();
		ofRotateZ(phi_deg);
		ofRotateY(phi_deg * 4 + ofGetFrameNum() * 2.88);

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

			auto index = this->face.getNumVertices();
			vector<glm::vec3> vertices;

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

			this->face.addVertices(vertices);
			this->line.addVertices(vertices);

			this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
			this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

			this->line.addIndex(index + 0); this->line.addIndex(index + 1);
			this->line.addIndex(index + 2); this->line.addIndex(index + 3);
		}

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

			auto index = this->face.getNumVertices();
			vector<glm::vec3> vertices;

			vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, 180 - phi_deg_step * 0.5)));
			vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, 180 - phi_deg_step * 0.5)));
			vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, 180 + phi_deg_step * 0.5)));
			vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, 180 + phi_deg_step * 0.5)));

			this->face.addVertices(vertices);
			this->line.addVertices(vertices);

			this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);
			this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

			this->line.addIndex(index + 0); this->line.addIndex(index + 1);
			this->line.addIndex(index + 2); this->line.addIndex(index + 3);
		}

		ofSetColor(39);
		this->face.draw();

		ofSetColor(39, 239, 239);
		this->line.drawWireframe();

		ofPopMatrix();
	}

	this->cam.end();

	/*
	int start = 150;
	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);
		}
	}
	*/
}

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

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

	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(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

float phi_deg_step = 2;

float theta_deg_step = 10;

float R = 250;

float r = R * 0.15;

for (float phi_deg = 0; phi_deg < 45; phi_deg += phi_deg_step * 2) {

this->face.clear();

this->line.clear();

ofPushMatrix();

ofRotateZ(phi_deg);

ofRotateY(phi_deg * 4 + ofGetFrameNum() * 2.88);

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

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

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

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

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

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

this->face.addVertices(vertices);

this->line.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);

this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

this->line.addIndex(index + 0); this->line.addIndex(index + 1);

this->line.addIndex(index + 2); this->line.addIndex(index + 3);

}

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

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, 180 - phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, 180 - phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg - theta_deg_step * 0.5, 180 + phi_deg_step * 0.5)));

vertices.push_back(glm::vec3(this->make_point(R, r, theta_deg + theta_deg_step * 0.5, 180 + phi_deg_step * 0.5)));

this->face.addVertices(vertices);

this->line.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 3);

this->face.addIndex(index + 0); this->face.addIndex(index + 3); this->face.addIndex(index + 2);

this->line.addIndex(index + 0); this->line.addIndex(index + 1);

this->line.addIndex(index + 2); this->line.addIndex(index + 3);

}

ofSetColor(39);

this->face.draw();

ofSetColor(39, 239, 239);

this->line.drawWireframe();

ofPopMatrix();

}

this->cam.end();

int start = 150;

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);

}

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

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

// 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)) * cos(v);

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

auto z = r * sin(u);

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2024年8月22日

凹凸.

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#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) {};

	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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();
}

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

}

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

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

	for (int base_x = -240; base_x <= 240; base_x += 5) {

		for (int base_z = -240; base_z <= 240; base_z += 5) {

			auto angle = std::atan2(base_z, base_x);
			
			auto noise_location = glm::vec2((angle), sin(angle));
			auto radius = ofMap(ofNoise(noise_location.x * 0.5, noise_location.y * 0.5, ofGetFrameNum() * 0.05), 0, 1, 30, 230);
			auto location = glm::vec2(radius * cos(angle), radius * sin(angle));
			auto distance = glm::distance(location, glm::vec2(base_x, base_z));

			auto param = 5;
			if (distance < 50) {
								
				param = ofMap(glm::distance(location, glm::vec2(base_x, base_z)), 0, 50, 0, 5);
			}

			for (int i = 0; i <= 10; i++) {

				if (i < param) {

					ofPushMatrix();
					ofTranslate(base_x, -150 + i * 10, base_z);

					ofSetColor(0);
					ofFill();
					ofDrawBox(9.5);

					ofSetColor(255);
					ofNoFill();
					ofDrawBox(10);

					ofPopMatrix();
				}
				else if (param < i) {

					ofPushMatrix();
					ofTranslate(base_x, 150 - (10 - i) * 10, base_z);

					ofSetColor(0);
					ofFill();
					ofDrawBox(9.5);

					ofSetColor(255);
					ofNoFill();
					ofDrawBox(10);

					ofPopMatrix();
				}
				else {

				}
			}
		}
	}

	this->cam.end();

	/*
	int start = 50;
	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);

ofSetLineWidth(0.5);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

for (int base_x = -240; base_x <= 240; base_x += 5) {

for (int base_z = -240; base_z <= 240; base_z += 5) {

auto angle = std::atan2(base_z, base_x);

auto noise_location = glm::vec2((angle), sin(angle));

auto radius = ofMap(ofNoise(noise_location.x * 0.5, noise_location.y * 0.5, ofGetFrameNum() * 0.05), 0, 1, 30, 230);

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

auto distance = glm::distance(location, glm::vec2(base_x, base_z));

auto param = 5;

if (distance < 50) {

param = ofMap(glm::distance(location, glm::vec2(base_x, base_z)), 0, 50, 0, 5);

}

for (int i = 0; i <= 10; i++) {

if (i < param) {

ofPushMatrix();

ofTranslate(base_x, -150 + i * 10, base_z);

ofSetColor(0);

ofFill();

ofDrawBox(9.5);

ofSetColor(255);

ofNoFill();

ofDrawBox(10);

ofPopMatrix();

}

else if (param < i) {

ofPushMatrix();

ofTranslate(base_x, 150 - (10 - i) * 10, base_z);

ofSetColor(0);

ofFill();

ofDrawBox(9.5);

ofSetColor(255);

ofNoFill();

ofDrawBox(10);

ofPopMatrix();

}

else {

}

this->cam.end();

int start = 50;

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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2024年8月21日

Top and bottom.

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#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) {};

	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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

}

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

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

	for (int base_x = -240; base_x <= 240; base_x += 10) {

		for (int base_z = -240; base_z <= 240; base_z += 10) {

			auto noise_value = ofMap(ofNoise(base_x * 0.005, base_z * 0.005, ofGetFrameNum() * 0.0085), 0, 1, 0, 10);
			int int_noise_value = noise_value;

			for (int i = 0; i < 10; i++) {

				if (i < int_noise_value) {

					ofPushMatrix();
					ofTranslate(base_x, -150 + i * 10, base_z);

					ofSetColor(0);
					ofFill();
					ofDrawBox(9.5);

					ofSetColor(255);
					ofNoFill();
					ofDrawBox(10);

					ofPopMatrix();
				}
				else if (int_noise_value < i) {

					ofPushMatrix();
					ofTranslate(base_x, 150 - (10 - i) * 10, base_z);

					ofSetColor(0);
					ofFill();
					ofDrawBox(9.5);

					ofSetColor(255);
					ofNoFill();
					ofDrawBox(10);

					ofPopMatrix();
				}
				else {

				}
			}
		}
	}

	this->cam.end();

	/*
	int start = 500;
	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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

for (int base_x = -240; base_x <= 240; base_x += 10) {

for (int base_z = -240; base_z <= 240; base_z += 10) {

auto noise_value = ofMap(ofNoise(base_x * 0.005, base_z * 0.005, ofGetFrameNum() * 0.0085), 0, 1, 0, 10);

int int_noise_value = noise_value;

for (int i = 0; i < 10; i++) {

if (i < int_noise_value) {

ofPushMatrix();

ofTranslate(base_x, -150 + i * 10, base_z);

ofSetColor(0);

ofFill();

ofDrawBox(9.5);

ofSetColor(255);

ofNoFill();

ofDrawBox(10);

ofPopMatrix();

}

else if (int_noise_value < i) {

ofPushMatrix();

ofTranslate(base_x, 150 - (10 - i) * 10, base_z);

ofSetColor(0);

ofFill();

ofDrawBox(9.5);

ofSetColor(255);

ofNoFill();

ofDrawBox(10);

ofPopMatrix();

}

else {

}

this->cam.end();

int start = 500;

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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2024年11月
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