プログラミング de 落描き – ページ 226 – 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1月17日

Rainbow sand.

[ Video ]

[ About ]
虹色砂。

[ 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> location_list;
	vector<glm::vec2> velocity_list;
	vector<float> speed_list;
	vector<float> life_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> location_list;

vector<glm::vec2> velocity_list;

vector<float> speed_list;

vector<float> life_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofColor color;
	for (int i = 0; i < 1400; i++) {

		auto deg = ofRandom(ofGetFrameNum() * 0.72 + (i % 16) * 22.5, ofGetFrameNum() * 0.72 + 8 + (i % 16) * 22.5);
		auto location = glm::vec2(200 * cos(deg * DEG_TO_RAD), 200 * sin(deg * DEG_TO_RAD));
		auto next = glm::vec2(201 * cos(deg * DEG_TO_RAD), 201 * sin(deg * DEG_TO_RAD));

		this->location_list.push_back(location);
		if (ofRandom(100) < 50) {

			this->velocity_list.push_back(next - location);
		}
		else {

			this->velocity_list.push_back(location - next);
		}
		this->speed_list.push_back(ofRandom(5, 10));
		this->life_list.push_back(20);

		color.setHsb(ofMap(i % 16, 0, 16, 0, 255), 230, 255);
		this->color_list.push_back(color);
	}

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

		auto fueture = glm::normalize(this->velocity_list[i]) * 30;
		auto deg = ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.01, ofGetFrameNum() * 0.005)), 0, 1, -360, 360);
		fueture = fueture + glm::vec2(10 * cos(deg * DEG_TO_RAD), 10 * sin(deg * DEG_TO_RAD));
		this->location_list[i] += glm::normalize(fueture) * this->speed_list[i];

		this->life_list[i] -= 1;

		if (this->life_list[i] < 0) {

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

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofSetColor(this->color_list[i], ofMap(this->life_list[i], 0, 12, 32, 255));
		ofDrawCircle(this->location_list[i], 1);
	}

	/*
	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);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofColor color;

for (int i = 0; i < 1400; i++) {

auto deg = ofRandom(ofGetFrameNum() * 0.72 + (i % 16) * 22.5, ofGetFrameNum() * 0.72 + 8 + (i % 16) * 22.5);

auto location = glm::vec2(200 * cos(deg * DEG_TO_RAD), 200 * sin(deg * DEG_TO_RAD));

auto next = glm::vec2(201 * cos(deg * DEG_TO_RAD), 201 * sin(deg * DEG_TO_RAD));

this->location_list.push_back(location);

if (ofRandom(100) < 50) {

this->velocity_list.push_back(next - location);

}

else {

this->velocity_list.push_back(location - next);

}

this->speed_list.push_back(ofRandom(5, 10));

this->life_list.push_back(20);

color.setHsb(ofMap(i % 16, 0, 16, 0, 255), 230, 255);

this->color_list.push_back(color);

}

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

auto fueture = glm::normalize(this->velocity_list[i]) * 30;

auto deg = ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.01, ofGetFrameNum() * 0.005)), 0, 1, -360, 360);

fueture = fueture + glm::vec2(10 * cos(deg * DEG_TO_RAD), 10 * sin(deg * DEG_TO_RAD));

this->location_list[i] += glm::normalize(fueture) * this->speed_list[i];

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

ofSetColor(this->color_list[i], ofMap(this->life_list[i], 0, 12, 32, 255));

ofDrawCircle(this->location_list[i], 1);

}

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240117

2024年1月16日2024年1月16日

Sand stream.

[ Video ]

[ About ]
砂の流れ。

[ 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> location_list;
	vector<glm::vec2> velocity_list;
	vector<float> speed_list;
	vector<float> life_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> location_list;

vector<glm::vec2> velocity_list;

vector<float> speed_list;

vector<float> life_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);
}

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

	for (int i = 0; i < 1200; i++) {

		auto deg = ofRandom(ofGetFrameNum() * 1.44 + (i % 2) * 180, ofGetFrameNum() * 1.44 + 90 + (i % 2) * 180);
		auto location = glm::vec2(200 * cos(deg * DEG_TO_RAD), 200 * sin(deg * DEG_TO_RAD));
		auto next = glm::vec2(201 * cos(deg * DEG_TO_RAD), 201 * sin(deg * DEG_TO_RAD));

		this->location_list.push_back(location);
		if (ofRandom(100) < 50) {

			this->velocity_list.push_back(next - location);
		}
		else {

			this->velocity_list.push_back(location - next);
		}
		this->speed_list.push_back(ofRandom(5, 10));
		this->life_list.push_back(20);

		this->color_list.push_back(ofColor(128));
	}

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

		auto fueture = glm::normalize(this->velocity_list[i]) * 30;
		auto deg = ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.01, ofGetFrameNum() * 0.005)), 0, 1, -360, 360);
		fueture = fueture + glm::vec2(10 * cos(deg * DEG_TO_RAD), 10 * sin(deg * DEG_TO_RAD));
		this->location_list[i] += glm::normalize(fueture) * this->speed_list[i];

		this->life_list[i] -= 1;

		if (this->life_list[i] < 0) {

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

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

	ofTranslate(ofGetWindowSize() * 0.5);

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

		ofSetColor(this->color_list[i], ofMap(this->life_list[i], 0, 12, 32, 255));
		ofDrawCircle(this->location_list[i], 1.5);
	}

	/*
	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);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

}

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

void ofApp::update() {

for (int i = 0; i < 1200; i++) {

auto deg = ofRandom(ofGetFrameNum() * 1.44 + (i % 2) * 180, ofGetFrameNum() * 1.44 + 90 + (i % 2) * 180);

auto location = glm::vec2(200 * cos(deg * DEG_TO_RAD), 200 * sin(deg * DEG_TO_RAD));

auto next = glm::vec2(201 * cos(deg * DEG_TO_RAD), 201 * sin(deg * DEG_TO_RAD));

this->location_list.push_back(location);

if (ofRandom(100) < 50) {

this->velocity_list.push_back(next - location);

}

else {

this->velocity_list.push_back(location - next);

}

this->speed_list.push_back(ofRandom(5, 10));

this->life_list.push_back(20);

this->color_list.push_back(ofColor(128));

}

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

auto fueture = glm::normalize(this->velocity_list[i]) * 30;

auto deg = ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.01, ofGetFrameNum() * 0.005)), 0, 1, -360, 360);

fueture = fueture + glm::vec2(10 * cos(deg * DEG_TO_RAD), 10 * sin(deg * DEG_TO_RAD));

this->location_list[i] += glm::normalize(fueture) * this->speed_list[i];

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

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

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

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

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

ofSetColor(this->color_list[i], ofMap(this->life_list[i], 0, 12, 32, 255));

ofDrawCircle(this->location_list[i], 1.5);

}

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240116

2024年1月15日

Churn.

[ Video ]

[ About ]
まぜる。

[ 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) {};

	ofEasyCam cam;

	ofMesh base_mesh, draw_mesh;
};

#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;

ofMesh base_mesh, draw_mesh;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(250, 7);
	this->base_mesh = ico_sphere.getMesh();

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	this->draw_mesh.clear();

	for (auto v : this->base_mesh.getVertices()) {

		for (int i = 0; i < 4; i++) {

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.x * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.y * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.z * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));
			auto radius = ofMap(ofNoise(glm::vec4(v * 0.004, ofGetFrameNum() * 0.02)), 0, 1, 150, 300);

			v = glm::normalize(v) * radius;
			v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;
		
		}

		this->draw_mesh.addVertex(v);
		this->draw_mesh.addColor(ofColor(255, 64));
	}

	this->draw_mesh.addIndices(this->base_mesh.getIndices());
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 2.88);

	this->draw_mesh.drawVertices();

	/*
	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);
		}
	}
	*/

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(250, 7);

this->base_mesh = ico_sphere.getMesh();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

this->draw_mesh.clear();

for (auto v : this->base_mesh.getVertices()) {

for (int i = 0; i < 4; i++) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.x * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.y * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.z * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

auto radius = ofMap(ofNoise(glm::vec4(v * 0.004, ofGetFrameNum() * 0.02)), 0, 1, 150, 300);

v = glm::normalize(v) * radius;

v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;

}

this->draw_mesh.addVertex(v);

this->draw_mesh.addColor(ofColor(255, 64));

}

this->draw_mesh.addIndices(this->base_mesh.getIndices());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 2.88);

this->draw_mesh.drawVertices();

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);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240115

2025年11月
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