2023年10月 – ページ 2 – プログラミング de 落描き

2023年10月28日

Follow boxes.

[ Video ]

[ About ]
追随箱。

[ 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 frame;
};

#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 frame;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofNoFill();
	ofSetLineWidth(1);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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


}

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

	this->cam.begin();

	ofSeedRandom(39);

	this->frame.clear();
	auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

	for (int len = 100; len <= 350; len += 30) {

		auto noise_x = ofNoise(noise_seed.x, len * -0.00015 + ofGetFrameNum() * 0.01);
		auto noise_y = ofNoise(noise_seed.y, len * -0.00015 + ofGetFrameNum() * 0.01);
		auto noise_z = ofNoise(noise_seed.z, len * -0.00015 + ofGetFrameNum() * 0.01);

		if (noise_x < 0.2) { noise_x = 0; }
		else if (noise_x < 0.4) { noise_x = ofMap(noise_x, 0.2, 0.4, 0, 0.5); }
		else if (noise_x < 0.6) { noise_x = 0.5; }
		else if (noise_x < 0.8) { noise_x = ofMap(noise_x, 0.6, 0.8, 0.5, 1.0); }
		else { noise_x = 1; }

		if (noise_y < 0.2) { noise_y = 0; }
		else if (noise_y < 0.4) { noise_y = ofMap(noise_y, 0.2, 0.4, 0, 0.5); }
		else if (noise_y < 0.6) { noise_y = 0.5; }
		else if (noise_y < 0.8) { noise_y = ofMap(noise_y, 0.6, 0.8, 0.5, 1.0); }
		else { noise_y = 1; }

		if (noise_z < 0.2) { noise_z = 0; }
		else if (noise_z < 0.4) { noise_z = ofMap(noise_z, 0.2, 0.4, 0, 0.5); }
		else if (noise_z < 0.6) { noise_z = 0.5; }
		else if (noise_z < 0.8) { noise_z = ofMap(noise_z, 0.6, 0.8, 0.5, 1.0); }
		else { noise_z = 1; }

		auto angle_x = ofMap(noise_x, 0, 1, -90, 90);
		auto angle_y = ofMap(noise_y, 0, 1, -90, 90);
		auto angle_z = ofMap(noise_z, 0, 1, -90, 90);

		ofSetColor(239);

		ofPushMatrix();
		ofRotateZ(angle_z);
		ofRotateY(angle_y);
		ofRotateX(angle_x);

		ofNoFill();
		ofDrawBox(len);

		if (len == 100) {

			ofFill();
			ofSetColor(0);
			ofDrawBox(len);
		}

		ofPopMatrix();
	}


	this->frame.drawWireframe();

	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);

ofNoFill();

ofSetLineWidth(1);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofSeedRandom(39);

this->frame.clear();

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

for (int len = 100; len <= 350; len += 30) {

auto noise_x = ofNoise(noise_seed.x, len * -0.00015 + ofGetFrameNum() * 0.01);

auto noise_y = ofNoise(noise_seed.y, len * -0.00015 + ofGetFrameNum() * 0.01);

auto noise_z = ofNoise(noise_seed.z, len * -0.00015 + ofGetFrameNum() * 0.01);

if (noise_x < 0.2) { noise_x = 0; }

else if (noise_x < 0.4) { noise_x = ofMap(noise_x, 0.2, 0.4, 0, 0.5); }

else if (noise_x < 0.6) { noise_x = 0.5; }

else if (noise_x < 0.8) { noise_x = ofMap(noise_x, 0.6, 0.8, 0.5, 1.0); }

else { noise_x = 1; }

if (noise_y < 0.2) { noise_y = 0; }

else if (noise_y < 0.4) { noise_y = ofMap(noise_y, 0.2, 0.4, 0, 0.5); }

else if (noise_y < 0.6) { noise_y = 0.5; }

else if (noise_y < 0.8) { noise_y = ofMap(noise_y, 0.6, 0.8, 0.5, 1.0); }

else { noise_y = 1; }

if (noise_z < 0.2) { noise_z = 0; }

else if (noise_z < 0.4) { noise_z = ofMap(noise_z, 0.2, 0.4, 0, 0.5); }

else if (noise_z < 0.6) { noise_z = 0.5; }

else if (noise_z < 0.8) { noise_z = ofMap(noise_z, 0.6, 0.8, 0.5, 1.0); }

else { noise_z = 1; }

auto angle_x = ofMap(noise_x, 0, 1, -90, 90);

auto angle_y = ofMap(noise_y, 0, 1, -90, 90);

auto angle_z = ofMap(noise_z, 0, 1, -90, 90);

ofSetColor(239);

ofPushMatrix();

ofRotateZ(angle_z);

ofRotateY(angle_y);

ofRotateX(angle_x);

ofNoFill();

ofDrawBox(len);

if (len == 100) {

ofFill();

ofSetColor(0);

ofDrawBox(len);

}

ofPopMatrix();

}

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231028

2023年10月27日

Pair ribbon.

[ Video ]

[ About ]
ペア・リボン。

[ 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 face, frame;
};

#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 face, frame;

};

#include "ofApp.h"

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

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

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

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

	this->face.clear();
	this->frame.clear();

	float x_span = 1;
	auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

	for (int x_param = -1; x_param <= 1; x_param += 2) {

		int start_index = this->face.getNumVertices();
		for (float x = 150;  x < 300; x += x_span) {

			float next_x = x + x_span;
			int index = this->face.getNumVertices();

			float angle_x = (ofGetFrameNum() + x) * 2;
			auto rotation_x = glm::rotate(glm::mat4(), angle_x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

			float angle_y = (ofGetFrameNum() + x) * 5;
			auto rotation_y = glm::rotate(glm::mat4(), angle_y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

			float next_angle_x = (ofGetFrameNum() + x + 1) * 2;
			auto next_rotation_x = glm::rotate(glm::mat4(), next_angle_x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

			float next_angle_y = (ofGetFrameNum() + x + 1) * 5;
			auto next_rotation_y = glm::rotate(glm::mat4(), next_angle_y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec4(x * x_param, 20, 0, 0) * rotation_y * rotation_x);
			vertices.push_back(glm::vec4(next_x * x_param, 20, 0, 0)* next_rotation_y* next_rotation_x);
			vertices.push_back(glm::vec4(next_x * x_param, -20, 0, 0) * next_rotation_y * next_rotation_x);
			vertices.push_back(glm::vec4(x * x_param, -20, 0, 0) * rotation_y * rotation_x);

			this->face.addVertices(vertices);
			this->frame.addVertices(vertices);

			this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2);
			this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

			this->frame.addIndex(index + 0); this->frame.addIndex(index + 1);
			this->frame.addIndex(index + 2); this->frame.addIndex(index + 3);
		}

		this->frame.addIndex(start_index + 0); this->frame.addIndex(start_index + 3);
		this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 2.44);

	ofSetColor(39);
	this->face.draw();

	ofSetColor(239, 0, 0);
	this->frame.drawWireframe();

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float x_span = 1;

auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));

for (int x_param = -1; x_param <= 1; x_param += 2) {

int start_index = this->face.getNumVertices();

for (float x = 150; x < 300; x += x_span) {

float next_x = x + x_span;

int index = this->face.getNumVertices();

float angle_x = (ofGetFrameNum() + x) * 2;

auto rotation_x = glm::rotate(glm::mat4(), angle_x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

float angle_y = (ofGetFrameNum() + x) * 5;

auto rotation_y = glm::rotate(glm::mat4(), angle_y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

float next_angle_x = (ofGetFrameNum() + x + 1) * 2;

auto next_rotation_x = glm::rotate(glm::mat4(), next_angle_x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

float next_angle_y = (ofGetFrameNum() + x + 1) * 5;

auto next_rotation_y = glm::rotate(glm::mat4(), next_angle_y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

vector<glm::vec3> vertices;

vertices.push_back(glm::vec4(x * x_param, 20, 0, 0) * rotation_y * rotation_x);

vertices.push_back(glm::vec4(next_x * x_param, 20, 0, 0)* next_rotation_y* next_rotation_x);

vertices.push_back(glm::vec4(next_x * x_param, -20, 0, 0) * next_rotation_y * next_rotation_x);

vertices.push_back(glm::vec4(x * x_param, -20, 0, 0) * rotation_y * rotation_x);

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2);

this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

this->frame.addIndex(index + 0); this->frame.addIndex(index + 1);

this->frame.addIndex(index + 2); this->frame.addIndex(index + 3);

}

this->frame.addIndex(start_index + 0); this->frame.addIndex(start_index + 3);

this->frame.addIndex(this->frame.getNumVertices() - 2); this->frame.addIndex(this->frame.getNumVertices() - 3);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 2.44);

ofSetColor(39);

this->face.draw();

ofSetColor(239, 0, 0);

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231027

2023年10月26日

Circle arrows.

[ Video ]

[ About ]
円と矢印。

[ 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 draw_arrow(glm::vec2 location, glm::vec2 target, float size);
};

#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 draw_arrow(glm::vec2 location, glm::vec2 target, float size);

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetColor(255);
}

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

}

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

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

	for (int deg = 0; deg < 360; deg += 5) {

		auto noise_location = glm::vec2(250 * cos(deg * DEG_TO_RAD), 250 * sin(deg * DEG_TO_RAD));

		auto base_1 = glm::vec2(320 * cos(deg * DEG_TO_RAD), 320 * sin(deg * DEG_TO_RAD));
		auto target_radius_1 = ofMap(ofNoise(glm::vec3(noise_location * 0.085, ofGetFrameNum() * 0.03)), 0, 1, 250, 320);
		auto target_1 = glm::vec2(target_radius_1 * cos(deg * DEG_TO_RAD), target_radius_1 * sin(deg * DEG_TO_RAD));

		auto base_2 = glm::vec2(180 * cos(deg * DEG_TO_RAD), 180 * sin(deg * DEG_TO_RAD));
		auto target_radius_2 = ofMap(ofNoise(glm::vec3(noise_location * 0.085, ofGetFrameNum() * 0.03)), 0, 1, 180, 250);
		auto target_2 = glm::vec2(target_radius_2 * cos(deg * DEG_TO_RAD), target_radius_2 * sin(deg * DEG_TO_RAD));

		this->draw_arrow(base_1, target_1, 12);
		this->draw_arrow(base_2, target_2, 12);

		auto target_radius = ofMap(ofNoise(glm::vec3(noise_location * 0.085, ofGetFrameNum() * 0.03)), 0, 1, 225, 275);
		auto target = glm::vec2(target_radius * cos(deg * DEG_TO_RAD), target_radius * sin(deg * DEG_TO_RAD));

		ofDrawCircle(target, 3);
	}
}

//--------------------------------------------------------------
void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size) {

	auto angle = std::atan2(target.y - location.y, target.x - location.x);
	auto distance = glm::distance(target, location);

	ofPushMatrix();
	ofTranslate(target);

	ofFill();
	ofBeginShape();
	ofVertex(glm::vec2(size * cos(angle), size * sin(angle)));
	ofVertex(glm::vec2(size * 0.35 * cos(angle + PI * 0.5), size * 0.35 * sin(angle + PI * 0.5)));
	ofVertex(glm::vec2(size * 0.35 * cos(angle - PI * 0.5), size * 0.35 * sin(angle - PI * 0.5)));
	ofEndShape();

	ofBeginShape();
	ofVertex(glm::vec2(size * 0.35 * cos(angle + PI * 0.5), size * 0.35 * sin(angle + PI * 0.5)) * 0.5);
	ofVertex(glm::vec2(size * 0.35 * cos(angle + PI * 0.5), size * 0.35 * sin(angle + PI * 0.5)) * 0.5 - glm::vec2(distance * cos(angle), distance * sin(angle)));
	ofVertex(glm::vec2(size * 0.35 * cos(angle - PI * 0.5), size * 0.35 * sin(angle - PI * 0.5)) * 0.5 - glm::vec2(distance * cos(angle), distance * sin(angle)));
	ofVertex(glm::vec2(size * 0.35 * cos(angle - PI * 0.5), size * 0.35 * sin(angle - PI * 0.5)) * 0.5);
	ofEndShape();

	ofPopMatrix();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetColor(255);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

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

for (int deg = 0; deg < 360; deg += 5) {

auto noise_location = glm::vec2(250 * cos(deg * DEG_TO_RAD), 250 * sin(deg * DEG_TO_RAD));

auto base_1 = glm::vec2(320 * cos(deg * DEG_TO_RAD), 320 * sin(deg * DEG_TO_RAD));

auto target_radius_1 = ofMap(ofNoise(glm::vec3(noise_location * 0.085, ofGetFrameNum() * 0.03)), 0, 1, 250, 320);

auto target_1 = glm::vec2(target_radius_1 * cos(deg * DEG_TO_RAD), target_radius_1 * sin(deg * DEG_TO_RAD));

auto base_2 = glm::vec2(180 * cos(deg * DEG_TO_RAD), 180 * sin(deg * DEG_TO_RAD));

auto target_radius_2 = ofMap(ofNoise(glm::vec3(noise_location * 0.085, ofGetFrameNum() * 0.03)), 0, 1, 180, 250);

auto target_2 = glm::vec2(target_radius_2 * cos(deg * DEG_TO_RAD), target_radius_2 * sin(deg * DEG_TO_RAD));

this->draw_arrow(base_1, target_1, 12);

this->draw_arrow(base_2, target_2, 12);

auto target_radius = ofMap(ofNoise(glm::vec3(noise_location * 0.085, ofGetFrameNum() * 0.03)), 0, 1, 225, 275);

auto target = glm::vec2(target_radius * cos(deg * DEG_TO_RAD), target_radius * sin(deg * DEG_TO_RAD));

ofDrawCircle(target, 3);

}

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

void ofApp::draw_arrow(glm::vec2 location, glm::vec2 target, float size) {

auto angle = std::atan2(target.y - location.y, target.x - location.x);

auto distance = glm::distance(target, location);

ofPushMatrix();

ofTranslate(target);

ofFill();

ofBeginShape();

ofVertex(glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(glm::vec2(size * 0.35 * cos(angle + PI * 0.5), size * 0.35 * sin(angle + PI * 0.5)));

ofVertex(glm::vec2(size * 0.35 * cos(angle - PI * 0.5), size * 0.35 * sin(angle - PI * 0.5)));

ofEndShape();

ofBeginShape();

ofVertex(glm::vec2(size * 0.35 * cos(angle + PI * 0.5), size * 0.35 * sin(angle + PI * 0.5)) * 0.5);

ofVertex(glm::vec2(size * 0.35 * cos(angle + PI * 0.5), size * 0.35 * sin(angle + PI * 0.5)) * 0.5 - glm::vec2(distance * cos(angle), distance * sin(angle)));

ofVertex(glm::vec2(size * 0.35 * cos(angle - PI * 0.5), size * 0.35 * sin(angle - PI * 0.5)) * 0.5 - glm::vec2(distance * cos(angle), distance * sin(angle)));

ofVertex(glm::vec2(size * 0.35 * cos(angle - PI * 0.5), size * 0.35 * sin(angle - PI * 0.5)) * 0.5);

ofEndShape();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20231026

2023年10月
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