プログラミング de 落描き – ページ 630 – クリエイティブ・コーディングによる生成物とソース

2020年5月6日

Black Sun. openFrameworks

[ Video ]

[ About ]
Black Sun.

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

	int radius = 300;

	for (int i = 0; i < 5; i++) {

		vector<glm::vec2> vertices;
		for (float deg = 0; deg < 360; deg += 0.3) {

			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			auto noise_value = ofNoise(glm::vec4(i, location * 0.05, ofGetFrameNum() * 0.005));
			location *= noise_value > 0.4 ? noise_value : 0.4;

			vertices.push_back(location);
		}

		ofFill();
		ofSetColor(39, ofMap(i, 0, 5, 32, 255));
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(239, ofMap(i, 0, 5, 32, 255));
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
	}
}


//--------------------------------------------------------------
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(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

int radius = 300;

for (int i = 0; i < 5; i++) {

vector<glm::vec2> vertices;

for (float deg = 0; deg < 360; deg += 0.3) {

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

auto noise_value = ofNoise(glm::vec4(i, location * 0.05, ofGetFrameNum() * 0.005));

location *= noise_value > 0.4 ? noise_value : 0.4;

vertices.push_back(location);

}

ofFill();

ofSetColor(39, ofMap(i, 0, 5, 32, 255));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(239, ofMap(i, 0, 5, 32, 255));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200506

2020年5月5日2020年5月5日

Fog box. openFrameworks

[ Video ]

[ About ]
Fog box.

[ 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) {};

	void setBoxToMesh(ofMesh& face_target, glm::vec3 location, float size, ofColor color);
	void setBoxToMesh(ofMesh& face_target, glm::vec3 location, float height, float width, float depth, ofColor color);

	ofEasyCam cam;
	ofMesh face;

	float len;
	vector<glm::vec3> box_location_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) {};

void setBoxToMesh(ofMesh& face_target, glm::vec3 location, float size, ofColor color);

void setBoxToMesh(ofMesh& face_target, glm::vec3 location, float height, float width, float depth, ofColor color);

ofEasyCam cam;

ofMesh face;

float len;

vector<glm::vec3> box_location_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofNoFill();
	ofEnableDepthTest();

	this->len = 5;
	for (auto x = -100; x <= 100; x += this->len) {

		for (auto y = -100; y <= 100; y += this->len) {

			for (auto z = -100; z <= 100; z += this->len) {

				this->box_location_list.push_back(glm::vec3(x, y, z));
			}
		}
	}
}

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

	ofSeedRandom(39);

	this->face.clear();

	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	auto noise_location = glm::vec3(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.01), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.01), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.01), 0, 1, -300, 300));

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

		auto noise_value = ofNoise(glm::vec4(this->box_location_list[i] * 0.005, ofGetFrameNum() * 0.02));

		if (noise_value > 0.55) {

			this->setBoxToMesh(this->face, this->box_location_list[i], this->len, ofColor(0, 16));
		}
	}
}

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

	this->cam.begin();

	ofDrawBox(200 + this->len);
	this->face.drawFaces();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, glm::vec3 location, float size, ofColor color) {

	this->setBoxToMesh(face_target, location, size, size, size, color);
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, glm::vec3 location, float height, float width, float depth, ofColor color) {

	int index = face_target.getVertices().size();

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

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

	face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

	face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);
	face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

	face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

	face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);
	face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

	face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);
	face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

	for (int i = 0; i < 8; i++) {

		face_target.addColor(color);
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofSetColor(39);

ofNoFill();

ofEnableDepthTest();

this->len = 5;

for (auto x = -100; x <= 100; x += this->len) {

for (auto y = -100; y <= 100; y += this->len) {

for (auto z = -100; z <= 100; z += this->len) {

this->box_location_list.push_back(glm::vec3(x, y, z));

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

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

auto noise_location = glm::vec3(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.01), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.01), 0, 1, -300, 300), ofMap(ofNoise(noise_seed.z, ofGetFrameNum() * 0.01), 0, 1, -300, 300));

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

auto noise_value = ofNoise(glm::vec4(this->box_location_list[i] * 0.005, ofGetFrameNum() * 0.02));

if (noise_value > 0.55) {

this->setBoxToMesh(this->face, this->box_location_list[i], this->len, ofColor(0, 16));

}

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

void ofApp::draw() {

this->cam.begin();

ofDrawBox(200 + this->len);

this->face.drawFaces();

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, glm::vec3 location, float size, ofColor color) {

this->setBoxToMesh(face_target, location, size, size, size, color);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, glm::vec3 location, float height, float width, float depth, ofColor color) {

int index = face_target.getVertices().size();

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addIndex(index + 0); face_target.addIndex(index + 1); face_target.addIndex(index + 2);

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

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);

face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

for (int i = 0; i < 8; i++) {

face_target.addColor(color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200505

2020年5月4日

Colorful speed visualization. openFrameworks

[ Video ]

[ About ]
Colorful speed visualization.

[ 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) {};

	vector<glm::vec2> noise_seed_list;
	vector<glm::vec2> location_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

vector<glm::vec2> noise_seed_list;

vector<glm::vec2> location_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

		this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));
	}
}

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

	ofColor random_color;
	for (auto& noise_seed : this->noise_seed_list) {

		auto location = glm::vec2(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.003), 0, 1, 100, ofGetWidth() - 100), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.003), 0, 1, 100, ofGetHeight() - 100));
		auto next = glm::vec2(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.003), 0, 1, 100, ofGetWidth() - 100), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.003), 0, 1, 100, ofGetHeight() - 100));
		auto distance = location - next;
		distance *= 2;

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

		this->location_list.push_back(location);
		this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance));

		random_color.setHsb(ofRandom(255), 255, 255, 255);
		this->color_list.push_back(random_color);
	}

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

		this->location_list[i] += this->velocity_list[i];
		this->velocity_list[i] *= 1.01;
		if (this->color_list[i].a > 4) { this->color_list[i].a -= 4; }

		if (glm::distance(glm::vec2(ofGetWidth() * 0.5, ofGetHeight() * 0.5), this->location_list[i]) > 720) {

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

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

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

		auto& location = this->location_list[i];
		ofSetColor(this->color_list[i]);
		ofDrawCircle(location, 3);
		for (int k = 0; k < this->location_list.size(); k++) {

			if (i == k)continue;
			auto other = this->location_list[k];
			if (glm::distance(location, other) < 50) {

				auto alpha = this->color_list[i].a > this->color_list[k].a ? this->color_list[k].a : this->color_list[i].a;

				ofSetColor(this->color_list[i], alpha);
				ofDrawLine(location, other);
				ofSetColor(this->color_list[k], alpha);
				ofDrawLine(location, other);
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

this->noise_seed_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));

}

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

void ofApp::update() {

ofColor random_color;

for (auto& noise_seed : this->noise_seed_list) {

auto location = glm::vec2(ofMap(ofNoise(noise_seed.x, ofGetFrameNum() * 0.003), 0, 1, 100, ofGetWidth() - 100), ofMap(ofNoise(noise_seed.y, ofGetFrameNum() * 0.003), 0, 1, 100, ofGetHeight() - 100));

auto next = glm::vec2(ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + 1) * 0.003), 0, 1, 100, ofGetWidth() - 100), ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + 1) * 0.003), 0, 1, 100, ofGetHeight() - 100));

auto distance = location - next;

distance *= 2;

auto future = location + distance * 30;

auto random_deg = ofRandom(360);

future += glm::vec2(30 * cos(random_deg * DEG_TO_RAD), 30 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->location_list.push_back(location);

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

random_color.setHsb(ofRandom(255), 255, 255, 255);

this->color_list.push_back(random_color);

}

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

this->location_list[i] += this->velocity_list[i];

this->velocity_list[i] *= 1.01;

if (this->color_list[i].a > 4) { this->color_list[i].a -= 4; }

if (glm::distance(glm::vec2(ofGetWidth() * 0.5, ofGetHeight() * 0.5), this->location_list[i]) > 720) {

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

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

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

}

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

void ofApp::draw() {

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

auto& location = this->location_list[i];

ofSetColor(this->color_list[i]);

ofDrawCircle(location, 3);

for (int k = 0; k < this->location_list.size(); k++) {

if (i == k)continue;

auto other = this->location_list[k];

if (glm::distance(location, other) < 50) {

auto alpha = this->color_list[i].a > this->color_list[k].a ? this->color_list[k].a : this->color_list[i].a;

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

ofDrawLine(location, other);

ofSetColor(this->color_list[k], alpha);

ofDrawLine(location, other);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20200504

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