プログラミング de 落描き – ページ 680 – クリエイティブ・コーディングによる生成物とソース

2019年4月25日2019年4月25日

Piece of sphere. openFrameworks

[ Video ]

[ About ]
球体の一片

Piece of sphere.

[ 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) {};

	vector<ofMeshFace> triangles;
	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) {};

vector<ofMeshFace> triangles;

ofEasyCam cam;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
	ofSetLineWidth(2);

	auto ico_sphere = ofIcoSpherePrimitive(150, 2);
	this->triangles = ico_sphere.getMesh().getUniqueFaces();
}

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

}

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

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

	for (auto& triangle : this->triangles) {

		glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto noise_value = ofNoise(avg.x * 0.0005, avg.y * 0.0005, avg.z + 0.0005, ofGetFrameNum() * 0.005);
		auto tmp_radius = 150.f;
		auto rotate = 0.f;
		if (noise_value >= 0.75) {
		
			tmp_radius += ofMap(noise_value, 0.75, 1, 0, 300);
			rotate = ofMap(noise_value, 0.75, 1, 0, 360 * 3);
		}
		auto tmp_avg = glm::normalize(avg) * tmp_radius;
		
		ofPushMatrix();
		ofTranslate(tmp_avg);
		ofRotateX(rotate);
		ofRotateY(rotate);

		vector<glm::vec3> vertices;
		vector<glm::vec3> fill_vertices;
		for (int j = 0; j < 3; j++) {

			glm::vec3 location = glm::vec3(triangle.getVertex(j).x, triangle.getVertex(j).y, triangle.getVertex(j).z) - avg;
			vertices.push_back(location);
			fill_vertices.push_back(location * 0.99);
		}

		ofFill();
		ofSetColor(239);

		ofBeginShape();
		ofVertices(fill_vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);

		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofPopMatrix();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofEnableDepthTest();

ofSetLineWidth(2);

auto ico_sphere = ofIcoSpherePrimitive(150, 2);

this->triangles = ico_sphere.getMesh().getUniqueFaces();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

for (auto& triangle : this->triangles) {

glm::vec3 avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

auto noise_value = ofNoise(avg.x * 0.0005, avg.y * 0.0005, avg.z + 0.0005, ofGetFrameNum() * 0.005);

auto tmp_radius = 150.f;

auto rotate = 0.f;

if (noise_value >= 0.75) {

tmp_radius += ofMap(noise_value, 0.75, 1, 0, 300);

rotate = ofMap(noise_value, 0.75, 1, 0, 360 * 3);

}

auto tmp_avg = glm::normalize(avg) * tmp_radius;

ofPushMatrix();

ofTranslate(tmp_avg);

ofRotateX(rotate);

ofRotateY(rotate);

vector<glm::vec3> vertices;

vector<glm::vec3> fill_vertices;

for (int j = 0; j < 3; j++) {

glm::vec3 location = glm::vec3(triangle.getVertex(j).x, triangle.getVertex(j).y, triangle.getVertex(j).z) - avg;

vertices.push_back(location);

fill_vertices.push_back(location * 0.99);

}

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(fill_vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190425

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2019年4月24日2019年4月24日

Plot two-demensional Perlin noise in the alphabet. openFrameworks

[ Video ]

[ About ]
2次元パーリンノイズをアルファベットでプロット

Plot two-dimensional perlin noise in the alphabet.

[ 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) {};

	ofTrueTypeFont font;
};

#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) {};

ofTrueTypeFont font;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15, true, true, true);
}

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

}

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

	for (int x = 0; x < ofGetWidth(); x += 15) {

		for (int y = 15; y <= ofGetHeight(); y += 15) {

			char noise_value = ofMap(ofNoise(x * 0.008, y * 0.008, ofGetFrameNum() * 0.003), 0, 1, 45, 110);
			if (noise_value >= 'A' && noise_value <= 'Z') {
			
				this->font.drawString({ noise_value }, x, y);
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15, true, true, true);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

for (int x = 0; x < ofGetWidth(); x += 15) {

for (int y = 15; y <= ofGetHeight(); y += 15) {

char noise_value = ofMap(ofNoise(x * 0.008, y * 0.008, ofGetFrameNum() * 0.003), 0, 1, 45, 110);

if (noise_value >= 'A' && noise_value <= 'Z') {

this->font.drawString({ noise_value }, x, y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190424

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2019年4月23日2019年4月23日

Random walk on circumference. openFrameworks

[ Video ]

[ About ]
円周上のランダムウォーク

Random walk on circumference.

[ Source ]

#pragma once
#include "ofMain.h"
#include "Agent.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) {};

	vector<Agent> agents;
	ofEasyCam cam;
};

#pragma once

#include "ofMain.h"

#include "Agent.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) {};

vector<Agent> agents;

ofEasyCam cam;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(39);
	ofNoFill();
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

	if (ofGetFrameNum() % 120 == 0) {

		for (int i = 0; i < 50; i++) {

			this->agents.push_back(Agent(glm::vec2()));
		}
	}

	for(int i = this->agents.size() - 1; i >= 0; i--){

		this->agents[i].update();

		if (this->agents[i].is_dead()) {

			this->agents.erase(this->agents.begin() + i);
		}
	}
}

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

	this->cam.begin();

	for (auto& agent : this->agents) {

		agent.draw();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofNoFill();

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

if (ofGetFrameNum() % 120 == 0) {

for (int i = 0; i < 50; i++) {

this->agents.push_back(Agent(glm::vec2()));

}

for(int i = this->agents.size() - 1; i >= 0; i--){

this->agents[i].update();

if (this->agents[i].is_dead()) {

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

}

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

void ofApp::draw() {

this->cam.begin();

for (auto& agent : this->agents) {

agent.draw();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

#pragma once
#include "ofMain.h"

class Agent {
public:

	Agent(glm::vec2 location);
	void update();
	void draw();
	bool is_dead();

private:

	glm::vec2 start_location;
	deque<glm::vec2> log;
	int life;
	int radius;
	int deg;
	int radius_step;
	int deg_step;
};

#pragma once

#include "ofMain.h"

class Agent {

public:

Agent(glm::vec2 location);

void update();

void draw();

bool is_dead();

private:

glm::vec2 start_location;

deque<glm::vec2> log;

int life;

int radius;

int deg;

int radius_step;

int deg_step;

};

#include "Agent.h"

//--------------------------------------------------------------
Agent::Agent(glm::vec2 location) {

	this->start_location = location;
	this->radius = 10;
	this->deg = ofRandom(360);
	this->life = 0;
}

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

	if (this->life % 15 == 0) {
	
		int r = ofRandom(4);
		switch (r){

		case 0:
		case 3:
			this->radius_step = 2;
			this->deg_step = 0;
			break;
		case 1:
			this->radius_step = 0;
			this->deg_step = 2;
			break;
		case 2:
			this->radius_step = 0;
			this->deg_step = -2;
			break;
		}
	}
	else {

		this->radius += this->radius_step;
		this->deg += this->deg_step;
	}

	auto location = this->start_location + glm::vec2(this->radius * cos(this->deg * DEG_TO_RAD), this->radius * sin(this->deg * DEG_TO_RAD));
	this->log.push_front(location);

	while (this->log.size() > 20) {

		this->log.pop_back();
	}

	this->life++;
}

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

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

		ofVertex(this->log[i]);
	}
	ofEndShape();
}

//--------------------------------------------------------------
bool Agent::is_dead() {

	return this->radius > 150;
}

#include "Agent.h"

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

Agent::Agent(glm::vec2 location) {

this->start_location = location;

this->radius = 10;

this->deg = ofRandom(360);

this->life = 0;

}

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

void Agent::update() {

if (this->life % 15 == 0) {

int r = ofRandom(4);

switch (r){

case 0:

case 3:

this->radius_step = 2;

this->deg_step = 0;

break;

case 1:

this->radius_step = 0;

this->deg_step = 2;

break;

case 2:

this->radius_step = 0;

this->deg_step = -2;

break;

}

else {

this->radius += this->radius_step;

this->deg += this->deg_step;

}

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

this->log.push_front(location);

while (this->log.size() > 20) {

this->log.pop_back();

}

this->life++;

}

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

void Agent::draw() {

ofBeginShape();

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

ofVertex(this->log[i]);

}

ofEndShape();

}

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

bool Agent::is_dead() {

return this->radius > 150;

}

[ Link ]
https://github.com/junkiyoshi/Insta20190423

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