プログラミング de 落描き – ページ 382 – 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11月11日2022年11月10日

Square or circle. Draw by openFrameworks

[ Video ]

[ About ]
四角　または　丸。

[ 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) {};

	glm::vec2 make_point(int len, int param);
};

#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) {};

glm::vec2 make_point(int len, int param);

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetCircleResolution(60);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int len = 600;
	int radius = len * 0.35;

	ofSetColor(32);
	ofNoFill();
	ofDrawCircle(glm::vec2(), radius);
	ofDrawRectangle(glm::vec2(), len, len);

	ofSetColor(255);
	ofFill();

	for (float param = 0; param <= 100; param++) {

		auto noise_value = ofNoise(glm::vec3(this->make_point(len, param) * 0.005, ofGetFrameNum() * 0.015));
		if (noise_value < 0.5) {

			auto location_1 = this->make_point(len, param);
			auto location_2 = this->make_point(len, param + 1);

			ofDrawLine(location_1, location_2);
			ofDrawRectangle(location_1, 6, 6);
			ofDrawRectangle(location_2, 6, 6);
		}
		else if (noise_value > 0.6) {

			auto location_1 = glm::normalize(this->make_point(len, param)) * radius;
			auto location_2 = glm::normalize(this->make_point(len, param + 1)) * radius;

			ofDrawLine(location_1, location_2);
			ofDrawCircle(location_1, 4);
			ofDrawCircle(location_2, 4);
		}
		else {

			auto location_1 = glm::normalize(this->make_point(len, param)) * radius + (this->make_point(len, param) - glm::normalize(this->make_point(len, param)) * radius) * ofMap(noise_value, 0.5, 0.6, 1, 0);
			auto location_2 = glm::normalize(this->make_point(len, param + 1)) * radius + (this->make_point(len, param + 1) - glm::normalize(this->make_point(len, param + 1)) * radius) * ofMap(noise_value, 0.5, 0.6, 1, 0);

			ofDrawLine(location_1, location_2);
			ofDrawCircle(location_1, 4);
			ofDrawRectangle(location_2, 6, 6);
		}
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetCircleResolution(60);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int len = 600;

int radius = len * 0.35;

ofSetColor(32);

ofNoFill();

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

ofDrawRectangle(glm::vec2(), len, len);

ofSetColor(255);

ofFill();

for (float param = 0; param <= 100; param++) {

auto noise_value = ofNoise(glm::vec3(this->make_point(len, param) * 0.005, ofGetFrameNum() * 0.015));

if (noise_value < 0.5) {

auto location_1 = this->make_point(len, param);

auto location_2 = this->make_point(len, param + 1);

ofDrawLine(location_1, location_2);

ofDrawRectangle(location_1, 6, 6);

ofDrawRectangle(location_2, 6, 6);

}

else if (noise_value > 0.6) {

auto location_1 = glm::normalize(this->make_point(len, param)) * radius;

auto location_2 = glm::normalize(this->make_point(len, param + 1)) * radius;

ofDrawLine(location_1, location_2);

ofDrawCircle(location_1, 4);

ofDrawCircle(location_2, 4);

}

else {

auto location_1 = glm::normalize(this->make_point(len, param)) * radius + (this->make_point(len, param) - glm::normalize(this->make_point(len, param)) * radius) * ofMap(noise_value, 0.5, 0.6, 1, 0);

auto location_2 = glm::normalize(this->make_point(len, param + 1)) * radius + (this->make_point(len, param + 1) - glm::normalize(this->make_point(len, param + 1)) * radius) * ofMap(noise_value, 0.5, 0.6, 1, 0);

ofDrawLine(location_1, location_2);

ofDrawCircle(location_1, 4);

ofDrawRectangle(location_2, 6, 6);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221111

2022年11月10日

waving square. draw by openFrameworks

[ Video ]

[ About ]
波打つ四角。

[ 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) {};

	glm::vec2 make_point(int len, int param);
};

#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) {};

glm::vec2 make_point(int len, int param);

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofSetColor(0);
	ofSetLineWidth(2);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int len = 450;
	for (int param = 0; param <= 100; param++) {

		auto noise_value = ofNoise((this->make_point(len, param).x + this->make_point(len, param + 1).x) * 0.05 + ofGetFrameNum() * 0.05);
		auto y = 0;
		if (noise_value < 0.35) { y = ofMap(noise_value, 0, 0.35, len * -0.75, 0); }
		if (noise_value > 0.65) { y = ofMap(noise_value, 0.65, 1, 0, len * 0.75); }

		ofDrawLine(this->make_point(len, param) + glm::vec2(0, y) , this->make_point(len, param + 1) + glm::vec2(0, y));
		ofDrawRectangle(this->make_point(len, param) + glm::vec2(0, y), 6, 6);
		ofDrawRectangle(this->make_point(len, param + 1) + glm::vec2(0, y), 6, 6);
	}
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofSetColor(0);

ofSetLineWidth(2);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int len = 450;

for (int param = 0; param <= 100; param++) {

auto noise_value = ofNoise((this->make_point(len, param).x + this->make_point(len, param + 1).x) * 0.05 + ofGetFrameNum() * 0.05);

auto y = 0;

if (noise_value < 0.35) { y = ofMap(noise_value, 0, 0.35, len * -0.75, 0); }

if (noise_value > 0.65) { y = ofMap(noise_value, 0.65, 1, 0, len * 0.75); }

ofDrawLine(this->make_point(len, param) + glm::vec2(0, y) , this->make_point(len, param + 1) + glm::vec2(0, y));

ofDrawRectangle(this->make_point(len, param) + glm::vec2(0, y), 6, 6);

ofDrawRectangle(this->make_point(len, param + 1) + glm::vec2(0, y), 6, 6);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221110

2022年11月9日

turbulence. draw by openFrameworks

[ Video ]

[ About ]
乱気流。

[ 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);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(250, 4);
	this->base_mesh = ico_sphere.getMesh();
	this->draw_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

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

	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	for (int k = 0; k < 1; k++) {

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

			for (int i = 0; i < 16; i++) {

				auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0025, noise_seed.x + ofGetFrameNum() * 0.015)), 0, 1, -15, 15) * (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.y + ofGetFrameNum() * 0.015)), 0, 1, -15, 15) * (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.z + ofGetFrameNum() * 0.015)), 0, 1, -15, 15) * (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(ofColor(255));

				if (i > 0) {

					this->draw_mesh.addIndex(this->draw_mesh.getNumVertices() - 1);
					this->draw_mesh.addIndex(this->draw_mesh.getNumVertices() - 2);
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.6666666666666666);

	this->draw_mesh.draw();
	
	ofSetColor(0);
	ofDrawSphere(245);

	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);

ofSetLineWidth(0.5);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(250, 4);

this->base_mesh = ico_sphere.getMesh();

this->draw_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->draw_mesh.clear();

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

for (int k = 0; k < 1; k++) {

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

for (int i = 0; i < 16; i++) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.0025, noise_seed.x + ofGetFrameNum() * 0.015)), 0, 1, -15, 15) * (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.y + ofGetFrameNum() * 0.015)), 0, 1, -15, 15) * (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.z + ofGetFrameNum() * 0.015)), 0, 1, -15, 15) * (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(ofColor(255));

if (i > 0) {

this->draw_mesh.addIndex(this->draw_mesh.getNumVertices() - 1);

this->draw_mesh.addIndex(this->draw_mesh.getNumVertices() - 2);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.6666666666666666);

this->draw_mesh.draw();

ofSetColor(0);

ofDrawSphere(245);

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221109

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