2022年11月 – ページ 6 – プログラミング de 落描き

2022年11月15日

Multiple boxes. Draw by openFrameworks

[ Video ]

[ About ]
多重な箱。

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

	ofBackground(255);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

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

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

	ofSeedRandom(39);

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

	int span = 20;
	float threshold = 0.55;
	float frame_param = ofGetFrameNum() * 0.05;
	float coordinate_param = 0.0065;
	ofColor face_color, line_color;

	for (int len = 300; len >= 280; len -= 5) {

		face_color.setHsb(ofMap(len, 280, 300, 0, 255), 180, 255);
		line_color = ofColor(0);
		int z = len + span * 0.1;

		float angle;
		glm::highp_mat4 rotation;
		for (int i = 0; i <= 6; i++) {

			for (int x = -len; x <= len; x += span) {

				for (int y = -len; y <= len; y += span) {

					if (i <= 4) {

						angle = PI * 0.5 * i;
						rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));
					}

					if (i == 5) {

						angle = PI * 0.5;
						rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));
					}

					if (i == 6) {

						angle = PI * 0.5 * 3;
						rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));
					}


					glm::vec3 noise_location = glm::vec4(x, y, z, 0) * rotation;
					auto noise_value = ofNoise(glm::vec4(noise_location * coordinate_param, frame_param));
					if (noise_value < threshold) { 
					
						glm::vec3 loc_1 = glm::vec4(x - span, y, z, 0) * rotation;
						auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, frame_param));
						glm::vec3 loc_2 = glm::vec4(x, y + span, z, 0) * rotation;
						auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, frame_param));
						glm::vec3 loc_3 = glm::vec4(x + span, y, z, 0) * rotation;
						auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, frame_param));
						glm::vec3 loc4 = glm::vec4(x, y - span, z, 0) * rotation;
						auto noise_4 = ofNoise(glm::vec4(loc4 * coordinate_param, frame_param));

						vector<glm::vec3> vertices;

						vertices.push_back(glm::vec4(x - span * 0.5, y - span * 0.5, z, 0) * rotation);
						vertices.push_back(glm::vec4(x + span * 0.5, y - span * 0.5, z, 0) * rotation);
						vertices.push_back(glm::vec4(x + span * 0.5, y + span * 0.5, z, 0) * rotation);
						vertices.push_back(glm::vec4(x - span * 0.5, y + span * 0.5, z, 0) * rotation);

						auto index = this->face.getNumVertices();
						this->face.addVertices(vertices);

						this->face.addColor(face_color);
						this->face.addColor(face_color);
						this->face.addColor(face_color);
						this->face.addColor(face_color);

						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);
					}
					else {

						glm::vec3 loc_1 = glm::vec4(x - span, y, z, 0) * rotation;
						auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, frame_param));
						glm::vec3 loc_2 = glm::vec4(x, y + span, z, 0) * rotation;
						auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, frame_param));
						glm::vec3 loc_3 = glm::vec4(x + span, y, z, 0) * rotation;
						auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, frame_param));
						glm::vec3 loc4 = glm::vec4(x, y - span, z, 0) * rotation;
						auto noise_4 = ofNoise(glm::vec4(loc4 * coordinate_param, frame_param));

						vector<glm::vec3> vertices;

						vertices.push_back(glm::vec4(x - span * 0.5, y - span * 0.5, z, 0) * rotation);
						vertices.push_back(glm::vec4(x + span * 0.5, y - span * 0.5, z, 0) * rotation);
						vertices.push_back(glm::vec4(x + span * 0.5, y + span * 0.5, z, 0) * rotation);
						vertices.push_back(glm::vec4(x - span * 0.5, y + span * 0.5, z, 0) * rotation);

						if (noise_1 < threshold || x == -len) {

							this->frame.addVertex(vertices[0]);
							this->frame.addVertex(vertices[3]);

							this->frame.addColor(line_color);
							this->frame.addColor(line_color);

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

						if (noise_2 < threshold || y == len) {

							this->frame.addVertex(vertices[2]);
							this->frame.addVertex(vertices[3]);

							this->frame.addColor(line_color);
							this->frame.addColor(line_color);

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

						if (noise_3 < threshold || x == len) {

							this->frame.addVertex(vertices[1]);
							this->frame.addVertex(vertices[2]);

							this->frame.addColor(line_color);
							this->frame.addColor(line_color);

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

						if(noise_4 < threshold || y == -len) {

							this->frame.addVertex(vertices[0]);
							this->frame.addVertex(vertices[1]);

							this->frame.addColor(line_color);
							this->frame.addColor(line_color);

							this->frame.addIndex(this->frame.getNumVertices() - 1);
							this->frame.addIndex(this->frame.getNumVertices() - 2);

						}
					}
				}
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum());
	ofRotateX(ofGetFrameNum() * 1.5);

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

	this->cam.end();
}

//--------------------------------------------------------------
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(255);

ofSetLineWidth(1.5);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

int span = 20;

float threshold = 0.55;

float frame_param = ofGetFrameNum() * 0.05;

float coordinate_param = 0.0065;

ofColor face_color, line_color;

for (int len = 300; len >= 280; len -= 5) {

face_color.setHsb(ofMap(len, 280, 300, 0, 255), 180, 255);

line_color = ofColor(0);

int z = len + span * 0.1;

float angle;

glm::highp_mat4 rotation;

for (int i = 0; i <= 6; i++) {

for (int x = -len; x <= len; x += span) {

for (int y = -len; y <= len; y += span) {

if (i <= 4) {

angle = PI * 0.5 * i;

rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0));

}

if (i == 5) {

angle = PI * 0.5;

rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));

}

if (i == 6) {

angle = PI * 0.5 * 3;

rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0));

}

glm::vec3 noise_location = glm::vec4(x, y, z, 0) * rotation;

auto noise_value = ofNoise(glm::vec4(noise_location * coordinate_param, frame_param));

if (noise_value < threshold) {

glm::vec3 loc_1 = glm::vec4(x - span, y, z, 0) * rotation;

auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, frame_param));

glm::vec3 loc_2 = glm::vec4(x, y + span, z, 0) * rotation;

auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, frame_param));

glm::vec3 loc_3 = glm::vec4(x + span, y, z, 0) * rotation;

auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, frame_param));

glm::vec3 loc4 = glm::vec4(x, y - span, z, 0) * rotation;

auto noise_4 = ofNoise(glm::vec4(loc4 * coordinate_param, frame_param));

vector<glm::vec3> vertices;

vertices.push_back(glm::vec4(x - span * 0.5, y - span * 0.5, z, 0) * rotation);

vertices.push_back(glm::vec4(x + span * 0.5, y - span * 0.5, z, 0) * rotation);

vertices.push_back(glm::vec4(x + span * 0.5, y + span * 0.5, z, 0) * rotation);

vertices.push_back(glm::vec4(x - span * 0.5, y + span * 0.5, z, 0) * rotation);

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

this->face.addVertices(vertices);

this->face.addColor(face_color);

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);

}

else {

glm::vec3 loc_1 = glm::vec4(x - span, y, z, 0) * rotation;

auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, frame_param));

glm::vec3 loc_2 = glm::vec4(x, y + span, z, 0) * rotation;

auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, frame_param));

glm::vec3 loc_3 = glm::vec4(x + span, y, z, 0) * rotation;

auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, frame_param));

glm::vec3 loc4 = glm::vec4(x, y - span, z, 0) * rotation;

auto noise_4 = ofNoise(glm::vec4(loc4 * coordinate_param, frame_param));

vector<glm::vec3> vertices;

vertices.push_back(glm::vec4(x - span * 0.5, y - span * 0.5, z, 0) * rotation);

vertices.push_back(glm::vec4(x + span * 0.5, y - span * 0.5, z, 0) * rotation);

vertices.push_back(glm::vec4(x + span * 0.5, y + span * 0.5, z, 0) * rotation);

vertices.push_back(glm::vec4(x - span * 0.5, y + span * 0.5, z, 0) * rotation);

if (noise_1 < threshold || x == -len) {

this->frame.addVertex(vertices[0]);

this->frame.addVertex(vertices[3]);

this->frame.addColor(line_color);

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

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

}

if (noise_2 < threshold || y == len) {

this->frame.addVertex(vertices[2]);

this->frame.addVertex(vertices[3]);

this->frame.addColor(line_color);

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

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

}

if (noise_3 < threshold || x == len) {

this->frame.addVertex(vertices[1]);

this->frame.addVertex(vertices[2]);

this->frame.addColor(line_color);

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

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

}

if(noise_4 < threshold || y == -len) {

this->frame.addVertex(vertices[0]);

this->frame.addVertex(vertices[1]);

this->frame.addColor(line_color);

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum());

ofRotateX(ofGetFrameNum() * 1.5);

this->face.draw();

this->frame.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221115

2022年11月14日

wind chime. Draw by openFrameworks

[ Video ]

[ About ]
風鈴。

[ 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 mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, float angle_y);

	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 mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, float angle_y);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

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

	auto noise_seed = ofRandom(1000);
	auto angle_y = ofMap(ofNoise(noise_seed, ofGetFrameNum() * -0.002), 0, 1, -720, 720);

	this->setRingToMesh(this->face, this->frame, glm::vec3(), 0, 30, 20, angle_y * DEG_TO_RAD);
	for (auto radius = 60; radius <= 360; radius += 60) {

		auto angle_y = ofMap(ofNoise(noise_seed, ofGetFrameNum() * -0.002 + radius * 0.00025), 0, 1, -720, 720);
		this->setRingToMesh(this->face, this->frame, glm::vec3(), radius, 20, 40, angle_y * DEG_TO_RAD);
	}
}

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

	this->cam.begin();
	ofRotateX(180);

	ofSetColor(0);
	this->face.draw();

	ofSetColor(255);
	this->frame.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, float angle_y) {

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

	int deg_span = 90;
	for (int deg = 0; deg < 360; deg += deg_span) {

		auto face_index = face_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

		vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

		for (auto& vertex : vertices) {

			vertex = location + glm::vec4(vertex, 0) * rotation_y;
		}

		face_target.addVertices(vertices);

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

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

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

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

		auto frame_index = frame_target.getNumVertices();

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 3);
	}
}

//--------------------------------------------------------------
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(0);

ofSetLineWidth(1.5);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

auto noise_seed = ofRandom(1000);

auto angle_y = ofMap(ofNoise(noise_seed, ofGetFrameNum() * -0.002), 0, 1, -720, 720);

this->setRingToMesh(this->face, this->frame, glm::vec3(), 0, 30, 20, angle_y * DEG_TO_RAD);

for (auto radius = 60; radius <= 360; radius += 60) {

auto angle_y = ofMap(ofNoise(noise_seed, ofGetFrameNum() * -0.002 + radius * 0.00025), 0, 1, -720, 720);

this->setRingToMesh(this->face, this->frame, glm::vec3(), radius, 20, 40, angle_y * DEG_TO_RAD);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofSetColor(0);

this->face.draw();

ofSetColor(255);

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height, float angle_y) {

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

int deg_span = 90;

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

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));

vertices.push_back(glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

for (auto& vertex : vertices) {

vertex = location + glm::vec4(vertex, 0) * rotation_y;

}

face_target.addVertices(vertices);

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

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

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

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

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

auto frame_index = frame_target.getNumVertices();

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221114

2022年11月13日2022年11月10日

Connect heart. Draw by openFrameworks

[ Video ]

[ About ]
繋がるハート。

[ 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(float theta);

	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) {};

glm::vec2 make_point(float theta);

ofMesh frame;

};

#include "ofApp.h"	

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetLineWidth(0.5);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

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

	ofSeedRandom(39);

	this->frame.clear();

	float scale = 15;

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

		auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000));
		for (int deg = 0; deg < 360; deg += 1) {

			auto location = glm::vec3(this->make_point(deg * DEG_TO_RAD) * scale, 0);
			location.x += ofMap(ofNoise(noise_seed.x, location.x * 0.045, ofGetFrameNum() * 0.0085), 0, 1, -30, 30);
			location.y += ofMap(ofNoise(noise_seed.y, location.y * 0.045, ofGetFrameNum() * 0.0085), 0, 1, -30, 30);

			this->frame.addVertex(location);
			this->frame.addColor(ofColor(255, 0, 0));
		}
	}

	for (int i = 0; i < this->frame.getNumVertices(); i++) {

		for (int k = i + 1; k < this->frame.getNumVertices(); k++) {

			auto distance = glm::distance(this->frame.getVertex(i), this->frame.getVertex(k));
			if (distance < 15) {

				this->frame.addIndex(i); this->frame.addIndex(k);
			}

			auto alpha = distance < 10 ? 255 : ofMap(distance, 10, 13, 255, 0);
			if (this->frame.getColor(i).a < alpha) {

				this->frame.setColor(i, ofColor(this->frame.getColor(i), alpha));
			}

			if (this->frame.getColor(k).a < alpha) {

				this->frame.setColor(k, ofColor(this->frame.getColor(k), alpha));
			}
		}

		
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	this->frame.drawVertices();

	for (int i = 0; i < this->frame.getNumVertices(); i++) {

		ofSetColor(this->frame.getColor(i));
		ofDrawSphere(this->frame.getVertex(i), ofMap(this->frame.getColor(i).a, 0, 255, 1, 0.1));
	}
}

//--------------------------------------------------------------
// Reference by https://twitter.com/shiffman/status/1095764239665512453
glm::vec2 ofApp::make_point(float theta) {

	float x = 16 * (pow(sin(theta), 3));
	float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);
	return glm::vec2(x, -y);
}

//--------------------------------------------------------------
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);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->frame.clear();

float scale = 15;

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

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

for (int deg = 0; deg < 360; deg += 1) {

auto location = glm::vec3(this->make_point(deg * DEG_TO_RAD) * scale, 0);

location.x += ofMap(ofNoise(noise_seed.x, location.x * 0.045, ofGetFrameNum() * 0.0085), 0, 1, -30, 30);

location.y += ofMap(ofNoise(noise_seed.y, location.y * 0.045, ofGetFrameNum() * 0.0085), 0, 1, -30, 30);

this->frame.addVertex(location);

this->frame.addColor(ofColor(255, 0, 0));

}

for (int i = 0; i < this->frame.getNumVertices(); i++) {

for (int k = i + 1; k < this->frame.getNumVertices(); k++) {

auto distance = glm::distance(this->frame.getVertex(i), this->frame.getVertex(k));

if (distance < 15) {

this->frame.addIndex(i); this->frame.addIndex(k);

}

auto alpha = distance < 10 ? 255 : ofMap(distance, 10, 13, 255, 0);

if (this->frame.getColor(i).a < alpha) {

this->frame.setColor(i, ofColor(this->frame.getColor(i), alpha));

}

if (this->frame.getColor(k).a < alpha) {

this->frame.setColor(k, ofColor(this->frame.getColor(k), alpha));

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

this->frame.drawVertices();

for (int i = 0; i < this->frame.getNumVertices(); i++) {

ofSetColor(this->frame.getColor(i));

ofDrawSphere(this->frame.getVertex(i), ofMap(this->frame.getColor(i).a, 0, 255, 1, 0.1));

}

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

// Reference by https://twitter.com/shiffman/status/1095764239665512453

glm::vec2 ofApp::make_point(float theta) {

float x = 16 * (pow(sin(theta), 3));

float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta);

return glm::vec2(x, -y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20221113

2022年11月
月	火	水	木	金	土	日
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