プログラミング de 落描き – ページ 346 – クリエイティブ・コーディングによる生成物とソース

2022年9月4日

Sand cube. Draw by openFrameworks

[ Video ]

[ About ]
砂キューブ。

[ 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(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);

	auto ico_sphere = ofIcoSpherePrimitive(250, 4);
	this->base_mesh = ico_sphere.getMesh();
}

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

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

	vector<ofColor> color_list = { ofColor(255), ofColor(255) };

	auto noise_seed = ofRandom(1000);
	for (int k = 0; k < color_list.size(); k++) {

		noise_seed += ofRandom(1000);
		for (auto v : this->base_mesh.getVertices()) {

			for (int i = 0; i < 10; i++) {

				auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
				auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
				auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

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

			this->draw_mesh.addVertex(v);
			this->draw_mesh.addColor(color_list[k]);
		}
	}

	for (auto& vertex : this->draw_mesh.getVertices()) {

		vertex.x = vertex.x < -135 ? -135 : vertex.x > 135 ? 135 : vertex.x;
		vertex.y = vertex.y < -135 ? -135 : vertex.y > 135 ? 135 : vertex.y;
		vertex.z = vertex.z < -135 ? -135 : vertex.z > 135 ? 135 : vertex.z;
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.66666666666666);
	ofRotateX(ofGetFrameNum() * 1.22222222222222);

	this->draw_mesh.drawVertices();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

auto ico_sphere = ofIcoSpherePrimitive(250, 4);

this->base_mesh = ico_sphere.getMesh();

}

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

void ofApp::update() {

ofSeedRandom(39);

this->draw_mesh.clear();

vector<ofColor> color_list = { ofColor(255), ofColor(255) };

auto noise_seed = ofRandom(1000);

for (int k = 0; k < color_list.size(); k++) {

noise_seed += ofRandom(1000);

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

for (int i = 0; i < 10; i++) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

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

}

this->draw_mesh.addVertex(v);

this->draw_mesh.addColor(color_list[k]);

}

for (auto& vertex : this->draw_mesh.getVertices()) {

vertex.x = vertex.x < -135 ? -135 : vertex.x > 135 ? 135 : vertex.x;

vertex.y = vertex.y < -135 ? -135 : vertex.y > 135 ? 135 : vertex.y;

vertex.z = vertex.z < -135 ? -135 : vertex.z > 135 ? 135 : vertex.z;

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.66666666666666);

ofRotateX(ofGetFrameNum() * 1.22222222222222);

this->draw_mesh.drawVertices();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220904

2022年9月3日

Sandstorm. Draw by openFrameworks

[ Video ]

[ About ]
3色の砂嵐。

[ 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(30);
	ofSetWindowTitle("openFrameworks");

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

	auto ico_sphere = ofIcoSpherePrimitive(250, 4);
	this->base_mesh = ico_sphere.getMesh();

}

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

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

	vector<ofColor> color_list = { ofColor(255, 32, 32), ofColor(32, 255, 32), ofColor(32, 32, 255) };

	auto noise_seed = ofRandom(1000);
	for (int k = 0; k < color_list.size(); k++) {

		noise_seed += ofRandom(1000);
		for (auto v : this->base_mesh.getVertices()) {

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

				auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0025, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
				auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0025, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
				auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0025, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

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

			this->draw_mesh.addVertex(v);
			this->draw_mesh.addColor(color_list[k]);
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.6666666666666);

	this->draw_mesh.drawVertices();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

auto ico_sphere = ofIcoSpherePrimitive(250, 4);

this->base_mesh = ico_sphere.getMesh();

}

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

void ofApp::update() {

ofSeedRandom(39);

this->draw_mesh.clear();

vector<ofColor> color_list = { ofColor(255, 32, 32), ofColor(32, 255, 32), ofColor(32, 32, 255) };

auto noise_seed = ofRandom(1000);

for (int k = 0; k < color_list.size(); k++) {

noise_seed += ofRandom(1000);

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

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

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0025, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0025, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0025, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

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

}

this->draw_mesh.addVertex(v);

this->draw_mesh.addColor(color_list[k]);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.6666666666666);

this->draw_mesh.drawVertices();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220903

2022年9月2日

Circles tornado. Draw by openFrameworks

[ Video ]

[ About ]
円を回転させる。

[ 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) {};

	float random_seed;
	vector<glm::vec2> location_list;
	vector<float> radus_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 random_seed;

vector<glm::vec2> location_list;

vector<float> radus_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");
	
	ofBackground(0);
	ofSetColor(255);
	ofNoFill();
	ofSetCircleResolution(72);

	this->random_seed = ofRandom(1000);
}

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

	ofSeedRandom(this->random_seed);
}

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

	ofPushMatrix();
	ofTranslate(ofGetWindowSize() * 0.5);

	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(255, 0, 0));
	color_palette.push_back(ofColor(0, 255, 0));
	color_palette.push_back(ofColor(0, 0, 255));
	color_palette.push_back(ofColor(255, 255, 0));
	color_palette.push_back(ofColor(255, 0, 255));
	color_palette.push_back(ofColor(0, 255, 255));

	auto number_of_sphere = 150;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));
		auto radius = ofRandom(8, 70);
		bool flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(location);
			radius_list.push_back(radius);
		}
	}

	int count = 0;
	while (true) {

		auto all = true;

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

			auto flag = true;
			for (int k = 0; k < location_list.size(); k++) {

				if (i == k) { continue; }

				if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) {

					flag = false;
				}
			}

			if (flag) {

				radius_list[i] += 1;
				all = false;
				break;
			}
		}

		if (all) {

			break;
		}

		count++;
	}

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

		ofPushMatrix();
		ofTranslate(location_list[i]);

		auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
		for (int radius = 8; radius <= radius_list[i]; radius += 4) {
		
			auto noise_param = glm::vec3(
				ofNoise(noise_seed.x, ofGetFrameNum() * 0.0025 + radius * 0.0003),
				ofNoise(noise_seed.y, ofGetFrameNum() * 0.0025 + radius * 0.0003),
				ofNoise(noise_seed.z, ofGetFrameNum() * 0.0025 + radius * 0.0003));

			ofRotateZ(noise_param.z < 0.45 ? ofMap(noise_param.z, 0, 0.45, -360, 0) : noise_param.z > 0.65 ? ofMap(noise_param.z, 0.65, 1, 0, 360) : 0);
			ofRotateY(noise_param.y < 0.45 ? ofMap(noise_param.y, 0, 0.45, -360, 0) : noise_param.y > 0.65 ? ofMap(noise_param.y, 0.65, 1, 0, 360) : 0);
			ofRotateX(noise_param.x < 0.45 ? ofMap(noise_param.x, 0, 0.45, -360, 0) : noise_param.x > 0.65 ? ofMap(noise_param.x, 0.65, 1, 0, 360) : 0);

			ofDrawCircle(glm::vec2(), radius);
		}

		ofPopMatrix();
	}

	ofPopMatrix();

}


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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetColor(255);

ofNoFill();

ofSetCircleResolution(72);

this->random_seed = ofRandom(1000);

}

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

void ofApp::update() {

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

ofPushMatrix();

ofTranslate(ofGetWindowSize() * 0.5);

vector<ofColor> color_palette;

color_palette.push_back(ofColor(255, 0, 0));

color_palette.push_back(ofColor(0, 255, 0));

color_palette.push_back(ofColor(0, 0, 255));

color_palette.push_back(ofColor(255, 255, 0));

color_palette.push_back(ofColor(255, 0, 255));

color_palette.push_back(ofColor(0, 255, 255));

auto number_of_sphere = 150;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300));

auto radius = ofRandom(8, 70);

bool flag = true;

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

if (glm::distance(location, location_list[i]) < (radius + radius_list[i])) {

flag = false;

break;

}

if (flag) {

location_list.push_back(location);

radius_list.push_back(radius);

}

int count = 0;

while (true) {

auto all = true;

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

auto flag = true;

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

if (i == k) { continue; }

if (glm::distance(location_list[i], location_list[k]) < (radius_list[i] + radius_list[k])) {

flag = false;

}

if (flag) {

radius_list[i] += 1;

all = false;

break;

}

if (all) {

break;

}

count++;

}

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

ofPushMatrix();

ofTranslate(location_list[i]);

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

for (int radius = 8; radius <= radius_list[i]; radius += 4) {

auto noise_param = glm::vec3(

ofNoise(noise_seed.x, ofGetFrameNum() * 0.0025 + radius * 0.0003),

ofNoise(noise_seed.y, ofGetFrameNum() * 0.0025 + radius * 0.0003),

ofNoise(noise_seed.z, ofGetFrameNum() * 0.0025 + radius * 0.0003));

ofRotateZ(noise_param.z < 0.45 ? ofMap(noise_param.z, 0, 0.45, -360, 0) : noise_param.z > 0.65 ? ofMap(noise_param.z, 0.65, 1, 0, 360) : 0);

ofRotateY(noise_param.y < 0.45 ? ofMap(noise_param.y, 0, 0.45, -360, 0) : noise_param.y > 0.65 ? ofMap(noise_param.y, 0.65, 1, 0, 360) : 0);

ofRotateX(noise_param.x < 0.45 ? ofMap(noise_param.x, 0, 0.45, -360, 0) : noise_param.x > 0.65 ? ofMap(noise_param.x, 0.65, 1, 0, 360) : 0);

ofDrawCircle(glm::vec2(), radius);

}

ofPopMatrix();

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220902

2025年7月
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