プログラミング de 落描き – ページ 109 – 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6月22日

Put hole in the wall. Draw by openFrameworks

[ Video ]

[ About ]
穴をあけて進む。

[ 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(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

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

	vector<glm::vec2> hole_location_list;

	ofSetLineWidth(3);
	ofNoFill();
	ofColor color;
	for (int i = 0; i < 2; i++) {

		auto hue = ofMap(i, 0, 2, 0, 255);
		color.setHsb(hue, 200, 255);
		ofSetColor(color);

		vector<glm::vec3> vertices;
		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(360));
		for (int k = 0; k < 210; k++) {

			auto x = ofMap(ofNoise(noise_seed.x, k * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -300, 300);
			auto y = ofMap(ofNoise(noise_seed.y, k * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -300, 300);
			auto z = ofMap(sin(((int)noise_seed.z + k + ofGetFrameNum()) * 4 * DEG_TO_RAD), -1, 1, -150, 150);

			vertices.push_back(glm::vec3(x, y, z));

			if (z < 3 && z > -3) {

				hole_location_list.push_back(glm::vec2(x, y));
			}
		}

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(false);
	}

	ofSetLineWidth(1);
	ofSetColor(0);
	ofFill();
	ofBeginShape();
	ofVertex(glm::vec2(-300, -300));
	ofVertex(glm::vec2(-300, 300));
	ofVertex(glm::vec2(300, 300));
	ofVertex(glm::vec2(300, -300));
	for (int i = 0; i < hole_location_list.size(); i++) {

		ofNextContour(true);
		for (int deg = 0; deg <= 360; deg++) {

			ofVertex(hole_location_list[i] + glm::vec2(20 * cos(deg * DEG_TO_RAD), 20 * sin(deg * DEG_TO_RAD)));
		}
	}
	ofEndShape();

	ofNoFill();
	ofSetColor(255);
	ofDrawRectangle(-300, -300, 600, 600);
	for (int i = 0; i < hole_location_list.size(); i++) {

		ofDrawCircle(hole_location_list[i], 20);
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

vector<glm::vec2> hole_location_list;

ofSetLineWidth(3);

ofNoFill();

ofColor color;

for (int i = 0; i < 2; i++) {

auto hue = ofMap(i, 0, 2, 0, 255);

color.setHsb(hue, 200, 255);

ofSetColor(color);

vector<glm::vec3> vertices;

auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(360));

for (int k = 0; k < 210; k++) {

auto x = ofMap(ofNoise(noise_seed.x, k * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -300, 300);

auto y = ofMap(ofNoise(noise_seed.y, k * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -300, 300);

auto z = ofMap(sin(((int)noise_seed.z + k + ofGetFrameNum()) * 4 * DEG_TO_RAD), -1, 1, -150, 150);

vertices.push_back(glm::vec3(x, y, z));

if (z < 3 && z > -3) {

hole_location_list.push_back(glm::vec2(x, y));

}

ofBeginShape();

ofVertices(vertices);

ofEndShape(false);

}

ofSetLineWidth(1);

ofSetColor(0);

ofFill();

ofBeginShape();

ofVertex(glm::vec2(-300, -300));

ofVertex(glm::vec2(-300, 300));

ofVertex(glm::vec2(300, 300));

ofVertex(glm::vec2(300, -300));

for (int i = 0; i < hole_location_list.size(); i++) {

ofNextContour(true);

for (int deg = 0; deg <= 360; deg++) {

ofVertex(hole_location_list[i] + glm::vec2(20 * cos(deg * DEG_TO_RAD), 20 * sin(deg * DEG_TO_RAD)));

}

ofEndShape();

ofNoFill();

ofSetColor(255);

ofDrawRectangle(-300, -300, 600, 600);

for (int i = 0; i < hole_location_list.size(); i++) {

ofDrawCircle(hole_location_list[i], 20);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230622

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2023年6月21日

bean sprouts. draw by openFrameworks

[ Video ]

[ About ]
もやし。

[ 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<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_list;
	vector<ofColor> color_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 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<vector<glm::vec2>> log_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofSetLineWidth(2);
	ofSetCircleResolution(30);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	int radius = 50;
	ofColor color;

	while (this->log_list.size() < 80) {

		int deg_base = ofRandom(360);
		int deg = deg_base / 1 * 1;

		vector<glm::vec2> log;
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		log.push_back(location);
		auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

		auto distance = location - next;
		distance *= 1;

		auto future = location + distance * 30;
		auto random_deg = ofRandom(360);
		future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));
		auto future_distance = future - location;

		this->log_list.push_back(log);
		this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.2, 1));
		color.setHsb(ofRandom(255), 200, 255);
		this->color_list.push_back(color);
	}

	for (int i = this->log_list.size() - 1; i > -1; i--) {

		auto location = this->log_list[i][this->log_list[i].size() - 1];

		auto deg = atan2(this->velocity_list[i].y, this->velocity_list[i].x) * RAD_TO_DEG;
		deg += ofMap(ofNoise(glm::vec3(location * 0.005, ofGetFrameNum() * 0.01)), 0, 1, -20, 20);
		auto len = glm::length(this->velocity_list[i]);
		location += glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD));

		if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 500) {

			this->log_list.erase(this->log_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);

			continue;
		}

		this->log_list[i].push_back(location);
		this->velocity_list[i] *= 1.02;
	}
}

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

	this->cam.begin();

	for (int i = this->log_list.size() - 1; i > -1; i--) {

		ofSetColor(this->color_list[i], 128);
		ofFill();
		ofDrawCircle(this->log_list[i][this->log_list[i].size() - 1], 20);	

		ofSetColor(this->color_list[i], 255);
		ofNoFill();
		ofDrawCircle(this->log_list[i][this->log_list[i].size() - 1], 20);

		ofSetColor(this->color_list[i], 255);
		ofFill();
		ofDrawCircle(this->log_list[i][this->log_list[i].size() - 1], 5);

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

	this->cam.end();
}

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

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

100

101

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(2);

ofSetCircleResolution(30);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

int radius = 50;

ofColor color;

while (this->log_list.size() < 80) {

int deg_base = ofRandom(360);

int deg = deg_base / 1 * 1;

vector<glm::vec2> log;

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

log.push_back(location);

auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

auto distance = location - next;

distance *= 1;

auto future = location + distance * 30;

auto random_deg = ofRandom(360);

future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->log_list.push_back(log);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.2, 1));

color.setHsb(ofRandom(255), 200, 255);

this->color_list.push_back(color);

}

for (int i = this->log_list.size() - 1; i > -1; i--) {

auto location = this->log_list[i][this->log_list[i].size() - 1];

auto deg = atan2(this->velocity_list[i].y, this->velocity_list[i].x) * RAD_TO_DEG;

deg += ofMap(ofNoise(glm::vec3(location * 0.005, ofGetFrameNum() * 0.01)), 0, 1, -20, 20);

auto len = glm::length(this->velocity_list[i]);

location += glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD));

if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 500) {

this->log_list.erase(this->log_list.begin() + i);

this->velocity_list.erase(this->velocity_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

continue;

}

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

this->velocity_list[i] *= 1.02;

}

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

void ofApp::draw() {

this->cam.begin();

for (int i = this->log_list.size() - 1; i > -1; i--) {

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

ofFill();

ofDrawCircle(this->log_list[i][this->log_list[i].size() - 1], 20);

ofSetColor(this->color_list[i], 255);

ofNoFill();

ofDrawCircle(this->log_list[i][this->log_list[i].size() - 1], 20);

ofSetColor(this->color_list[i], 255);

ofFill();

ofDrawCircle(this->log_list[i][this->log_list[i].size() - 1], 5);

ofNoFill();

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230621

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2023年6月20日

Waveform. Draw by openFrameworks

[ Video ]

[ About ]
波形。

[ 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(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
}

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

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

	ofTranslate(ofGetWindowSize() * 0.5);

	ofSeedRandom(39);
	ofSetColor(39);
	for (int deg = 0; deg < 360; deg += 30) {

		ofPushMatrix();
		ofRotate(deg);

		auto base_location = glm::vec2(0, -100);
		auto target_location = glm::vec2(0, -340);
		auto distance = target_location - base_location;
		auto len = glm::length(distance);
		auto noise_seed = ofRandom(1000);

		ofBeginShape();
		for (int d = 0; d <= len; d += 1) {

			auto location = base_location + glm::normalize(distance) * d;

			auto gap = abs(len * 0.5 - d);
			auto power = gap < len * 0.35 ? 1 : ofMap(gap, len * 0.35, len * 0.5, 1, 0);

			auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, location.y * 0.015 + ofGetFrameNum() * 0.035), 0, 1, -50, 50);
			location += glm::vec2(noise_x * power, 0);

			ofVertex(location);
		}
		ofEndShape();

		ofPopMatrix();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofSeedRandom(39);

ofSetColor(39);

for (int deg = 0; deg < 360; deg += 30) {

ofPushMatrix();

ofRotate(deg);

auto base_location = glm::vec2(0, -100);

auto target_location = glm::vec2(0, -340);

auto distance = target_location - base_location;

auto len = glm::length(distance);

auto noise_seed = ofRandom(1000);

ofBeginShape();

for (int d = 0; d <= len; d += 1) {

auto location = base_location + glm::normalize(distance) * d;

auto gap = abs(len * 0.5 - d);

auto power = gap < len * 0.35 ? 1 : ofMap(gap, len * 0.35, len * 0.5, 1, 0);

auto noise_x = ofMap(ofNoise(noise_seed, location.x * 0.05, location.y * 0.015 + ofGetFrameNum() * 0.035), 0, 1, -50, 50);

location += glm::vec2(noise_x * power, 0);

ofVertex(location);

}

ofEndShape();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230620

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