プログラミング de 落描き – ページ 232 – クリエイティブ・コーディングによる生成物とソース

2023年8月17日

Connective. Draw by openFrameworks

[ Video ]

[ About ]
繋ぐ。

[ 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(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);
	this->mesh.clear();

	ofColor color;
	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
	for (int i = 0; i < 12; i++) {

		for (int x = -300; x <= 300; x += 5) {

			auto base_y = ofMap(ofNoise(noise_seed.x, x * 0.001 + (ofGetFrameNum() + i * 10000) * 0.002), 0, 1, -300, 300);
			auto base_z = ofMap(ofNoise(noise_seed.y, x * 0.001 + (ofGetFrameNum() + i * 10000) * 0.002), 0, 1, -300, 300);

			auto y = base_y + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -30, 30);
			auto z = base_z + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -30, 30);
			this->mesh.addVertex(glm::vec3(x, y, z));

			color.setHsb(ofMap(i , 0, 12, 0, 255), 255, 255);
			this->mesh.addColor(color);
		}
	}

	for (int i = 0; i < this->mesh.getNumVertices(); i++) {

		auto min_distance = 30;
		for (int k = i + 1; k < this->mesh.getNumVertices(); k++) {

			float distance = glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k));
			if (distance < 30) {

				this->mesh.addIndex(i);
				this->mesh.addIndex(k);

				if (distance < min_distance) {

					min_distance = distance;
				}
			}
		}

		this->mesh.setColor(i, ofColor(this->mesh.getColor(i), ofMap(min_distance, 0, 30, 255, 64)));
	}
}

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

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

	this->mesh.drawWireframe();

	for (int i = 0; i < this->mesh.getNumVertices(); i++) {

		ofSetColor(this->mesh.getColor(i));
		ofDrawSphere(this->mesh.getVertex(i), 4);
	}

	this->cam.end();
}

//--------------------------------------------------------------
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();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

ofColor color;

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

for (int i = 0; i < 12; i++) {

for (int x = -300; x <= 300; x += 5) {

auto base_y = ofMap(ofNoise(noise_seed.x, x * 0.001 + (ofGetFrameNum() + i * 10000) * 0.002), 0, 1, -300, 300);

auto base_z = ofMap(ofNoise(noise_seed.y, x * 0.001 + (ofGetFrameNum() + i * 10000) * 0.002), 0, 1, -300, 300);

auto y = base_y + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -30, 30);

auto z = base_z + ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -30, 30);

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

color.setHsb(ofMap(i , 0, 12, 0, 255), 255, 255);

this->mesh.addColor(color);

}

for (int i = 0; i < this->mesh.getNumVertices(); i++) {

auto min_distance = 30;

for (int k = i + 1; k < this->mesh.getNumVertices(); k++) {

float distance = glm::distance(this->mesh.getVertex(i), this->mesh.getVertex(k));

if (distance < 30) {

this->mesh.addIndex(i);

this->mesh.addIndex(k);

if (distance < min_distance) {

min_distance = distance;

}

this->mesh.setColor(i, ofColor(this->mesh.getColor(i), ofMap(min_distance, 0, 30, 255, 64)));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

this->mesh.drawWireframe();

for (int i = 0; i < this->mesh.getNumVertices(); i++) {

ofSetColor(this->mesh.getColor(i));

ofDrawSphere(this->mesh.getVertex(i), 4);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230817

2023年8月16日

Front and back. Draw by openFrameworks

[ Video ]

[ About ]
表と裏。

[ 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;
};

#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;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	ofRotateY(ofGetFrameNum() * 0.5);
	ofRotateX(ofGetFrameNum());

	int span = 20;
	int size = span * 0.75;

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

	for (int x = span * -24; x <= span * 24; x += span) {

		for (int y = span * -24; y <= span * 24; y += span) {

			auto len = glm::length(glm::vec2(x, y));
			if (len > 200 && len < 400) {

				auto height = ofMap(ofNoise(x * 0.005, y * 0.005, len * 0.005 + ofGetFrameNum() * 0.03), 0, 1, -300, 300);
				auto power = ofMap(abs(300 - len), 0, 100, 1, 0);
				height *= power;

				ofFill();
				ofSetColor(ofColor(0));
				ofDrawBox(glm::vec3(x, y, height * 0.5), size, size, height);

				ofNoFill();
				ofSetColor(ofColor(255));
				ofDrawBox(glm::vec3(x, y, height * 0.5), size, size, height);
			}

			ofSetColor(128);
			ofDrawRectangle(x, y, size, size);
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum());

int span = 20;

int size = span * 0.75;

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

for (int x = span * -24; x <= span * 24; x += span) {

for (int y = span * -24; y <= span * 24; y += span) {

auto len = glm::length(glm::vec2(x, y));

if (len > 200 && len < 400) {

auto height = ofMap(ofNoise(x * 0.005, y * 0.005, len * 0.005 + ofGetFrameNum() * 0.03), 0, 1, -300, 300);

auto power = ofMap(abs(300 - len), 0, 100, 1, 0);

height *= power;

ofFill();

ofSetColor(ofColor(0));

ofDrawBox(glm::vec3(x, y, height * 0.5), size, size, height);

ofNoFill();

ofSetColor(ofColor(255));

ofDrawBox(glm::vec3(x, y, height * 0.5), size, size, height);

}

ofSetColor(128);

ofDrawRectangle(x, y, size, size);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230816

2023年8月15日

Smoky random walker. Draw by openFrameworks

[ Video ]

[ About ]
煙っぽいランダムウォーク。

[ 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) {};

	float radius;

	vector<glm::vec2> base_location_list;
	vector<vector<glm::vec2>> log_list;
};

#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) {};

float radius;

vector<glm::vec2> base_location_list;

vector<vector<glm::vec2>> log_list;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofSetCircleResolution(60);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->radius = 200;
	for (float deg = 0; deg < 360; deg += 0.5) {

		auto location = glm::vec2(this->radius * cos(deg * DEG_TO_RAD), this->radius * sin(deg * DEG_TO_RAD));
		this->base_location_list.push_back(location);
	}
}

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

	this->log_list.clear();

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

		vector<glm::vec2> log;
		log.push_back(this->base_location_list[i]);
		this->log_list.push_back(log);
	}

	int step = 1;
	for (int i = 0; i < this->log_list.size(); i++) {

		int k = 0;
		while (true) {

			auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.0085, ofGetFrameNum() * 0.025 + k * 0.002)), 0, 1, -360, 360);
			auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

			if (glm::distance(glm::vec2(0, 0), next) > this->radius - 50 && glm::distance(glm::vec2(0, 0), next) < this->radius + 50) {

				this->log_list[i].push_back(next);
			}
			else {

				break;
			}

			k++;
		}
	}
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	ofColor color;
	color.setHsb(200, 255, 255);
	ofSetColor(color, 64);

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

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	ofSetColor(color, 128);
	ofDrawCircle(glm::vec2(), this->radius - 50);
	ofDrawCircle(glm::vec2(), this->radius);
	ofDrawCircle(glm::vec2(), this->radius + 50);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetCircleResolution(60);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->radius = 200;

for (float deg = 0; deg < 360; deg += 0.5) {

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

this->base_location_list.push_back(location);

}

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

void ofApp::update() {

this->log_list.clear();

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

vector<glm::vec2> log;

log.push_back(this->base_location_list[i]);

this->log_list.push_back(log);

}

int step = 1;

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

int k = 0;

while (true) {

auto deg = ofMap(ofNoise(glm::vec3(this->log_list[i].back() * 0.0085, ofGetFrameNum() * 0.025 + k * 0.002)), 0, 1, -360, 360);

auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

if (glm::distance(glm::vec2(0, 0), next) > this->radius - 50 && glm::distance(glm::vec2(0, 0), next) < this->radius + 50) {

this->log_list[i].push_back(next);

}

else {

break;

}

k++;

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofColor color;

color.setHsb(200, 255, 255);

ofSetColor(color, 64);

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

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

ofSetColor(color, 128);

ofDrawCircle(glm::vec2(), this->radius - 50);

ofDrawCircle(glm::vec2(), this->radius);

ofDrawCircle(glm::vec2(), this->radius + 50);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230815

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