2023年1月 – ページ 6 – プログラミング de 落描き

2023年1月16日

Noise wave. Draw by openFrameworks

[ Video ]

[ About ]
ノイズ波。

[ 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) {};

	vector<glm::vec2> location_list;
	vector<float> size_list;
	vector<float> speed_list;
	vector<float> max_size_list;
	vector<float> index_list;
	vector<float> deg_list;
	vector<ofColor> color_list;
	vector<bool> flag_list;

	ofTrueTypeFont font;
	string word;
};

#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) {};

vector<glm::vec2> location_list;

vector<float> size_list;

vector<float> speed_list;

vector<float> max_size_list;

vector<float> index_list;

vector<float> deg_list;

vector<ofColor> color_list;

vector<bool> flag_list;

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

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

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);
	this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
}

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

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

		this->size_list[i] += this->speed_list[i];

		if (this->size_list[i] > this->max_size_list[i]) {

			this->location_list.erase(this->location_list.begin() + i);
			this->size_list.erase(this->size_list.begin() + i);
			this->speed_list.erase(this->speed_list.begin() + i);
			this->max_size_list.erase(this->max_size_list.begin() + i);
			this->index_list.erase(this->index_list.begin() + i);
			this->deg_list.erase(this->deg_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
			this->flag_list.erase(this->flag_list.begin() + i);
		}
	}

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

		auto random_x = ofRandom(ofGetWindowWidth() * -0.5, ofGetWindowWidth() * 0.5);
		auto y = ofMap(ofNoise(random_x * 0.0025 + ofGetFrameNum() * 0.015), 0, 1, ofGetWindowHeight() * -0.5, ofGetWindowHeight() * 0.5);

		auto location = glm::vec2(random_x, y + ofRandom(-20, 20));
		this->location_list.push_back(location);
		this->size_list.push_back(1);
		this->speed_list.push_back(ofRandom(0.4, 3));
		this->max_size_list.push_back(ofRandom(20, 40));
		this->index_list.push_back(ofRandom(this->word.size()));
		this->deg_list.push_back(ofRandom(360));
		color.setHsb(ofRandom(255), 255, 255);
		this->color_list.push_back(color);
		this->flag_list.push_back(ofRandom(1) < 0.5);
	}
}

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

	ofTranslate(ofGetWindowSize() * 0.5);
	ofNoFill();

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

		this->flag_list[i] ? ofFill() : ofNoFill();

		ofPath chara_path = this->font.getCharacterAsPoints(this->word[this->index_list[i]], true, false);
		vector<ofPolyline> outline = chara_path.getOutline();
		auto rotation = glm::rotate(glm::mat4(), this->deg_list[i] * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

		auto alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 255, 0) : 255;
		ofSetColor(this->color_list[i], alpha);
		ofBeginShape();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			ofNextContour(true);

			auto vertices = outline[outline_index].getVertices();
			for (auto& vertex : vertices) {

				glm::vec2 location = vertex / 100 * size_list[i];
				location -= glm::vec2(size_list[i] * 0.5, -size_list[i] * 0.5);
				location = glm::vec4(location, 0, 0) * rotation;
				ofVertex(location + location_list[i]);
			}
		}

		ofEndShape(true);

		ofDrawCircle(location_list[i], 2);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);

this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

}

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

void ofApp::update() {

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

this->size_list[i] += this->speed_list[i];

if (this->size_list[i] > this->max_size_list[i]) {

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

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

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

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

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

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

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

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

}

ofColor color;

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

auto random_x = ofRandom(ofGetWindowWidth() * -0.5, ofGetWindowWidth() * 0.5);

auto y = ofMap(ofNoise(random_x * 0.0025 + ofGetFrameNum() * 0.015), 0, 1, ofGetWindowHeight() * -0.5, ofGetWindowHeight() * 0.5);

auto location = glm::vec2(random_x, y + ofRandom(-20, 20));

this->location_list.push_back(location);

this->size_list.push_back(1);

this->speed_list.push_back(ofRandom(0.4, 3));

this->max_size_list.push_back(ofRandom(20, 40));

this->index_list.push_back(ofRandom(this->word.size()));

this->deg_list.push_back(ofRandom(360));

color.setHsb(ofRandom(255), 255, 255);

this->color_list.push_back(color);

this->flag_list.push_back(ofRandom(1) < 0.5);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

ofNoFill();

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

this->flag_list[i] ? ofFill() : ofNoFill();

ofPath chara_path = this->font.getCharacterAsPoints(this->word[this->index_list[i]], true, false);

vector<ofPolyline> outline = chara_path.getOutline();

auto rotation = glm::rotate(glm::mat4(), this->deg_list[i] * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

auto alpha = this->size_list[i] > this->max_size_list[i] * 0.6 ? ofMap(this->size_list[i], this->max_size_list[i] * 0.6, this->max_size_list[i], 255, 0) : 255;

ofSetColor(this->color_list[i], alpha);

ofBeginShape();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

ofNextContour(true);

auto vertices = outline[outline_index].getVertices();

for (auto& vertex : vertices) {

glm::vec2 location = vertex / 100 * size_list[i];

location -= glm::vec2(size_list[i] * 0.5, -size_list[i] * 0.5);

location = glm::vec4(location, 0, 0) * rotation;

ofVertex(location + location_list[i]);

}

ofEndShape(true);

ofDrawCircle(location_list[i], 2);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230116

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2023年1月15日

Invisible or visible box. Draw by openFrameworks

[ Video ]

[ About ]
非表示・表示・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) {};

	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

	ofEasyCam cam;
	vector<glm::vec3> location_list;

	ofMesh face, line;
};

#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 setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

ofEasyCam cam;

vector<glm::vec3> location_list;

ofMesh face, line;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(255);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofClear(0);
	ofSetColor(0);

	ofTrueTypeFont font;
	font.loadFont("fonts/Kazesawa-Bold.ttf", 250, true, true, true);

	string word = "BOX";
	font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word));

	fbo.end();

	auto span = 20;

	ofPixels pixels;
	fbo.readToPixels(pixels);
	for (int x = 0; x < fbo.getWidth(); x += span) {

		for (int y = 0; y < fbo.getHeight(); y += span) {

			ofColor color = pixels.getColor(x, y);
			if (color != ofColor(0, 0)) {

				for (int z = span * -2; z <= span * 2; z += span) {

					this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.3, z));
				}
			}
		}
	}

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

	ofSeedRandom(39);

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

	for (int i = 0; i < this->location_list.size(); i++) {
		
		this->setBoxToMesh(this->face, this->line, this->location_list[i], 20, 20, 20);
	}
}

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

	this->cam.begin();
	ofRotateX(sin(ofGetFrameNum() * 0.02) * 20);

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

	ofSetColor(0);
	for (auto& vertex : this->face.getVertices()) {

		ofDrawSphere(vertex, 2.5);
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

	auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.006);
	
	auto scale = 1.f;
	if (noise_value < 0.45) {

		scale = 0;
	}
	else if (noise_value < 0.55) {

		scale = ofMap(noise_value, 0.45, 0.55, 0, 1);
	}

	if (scale <= 0) { return; }

	width *= scale;
	height *= scale;
	depth *= scale;

	int index = face_target.getVertices().size();

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

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

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

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

	face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

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

	face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);
	face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

	frame_target.addIndex(index + 0); frame_target.addIndex(index + 1);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);
	frame_target.addIndex(index + 2); frame_target.addIndex(index + 3);
	frame_target.addIndex(index + 3); frame_target.addIndex(index + 0);

	frame_target.addIndex(index + 4); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);
	frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

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

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

		face_target.addColor(ofColor(255));
		frame_target.addColor(ofColor(0));
	}
}

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

ofSetLineWidth(2);

ofEnableDepthTest();

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

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

ofClear(0);

ofSetColor(0);

ofTrueTypeFont font;

font.loadFont("fonts/Kazesawa-Bold.ttf", 250, true, true, true);

string word = "BOX";

font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word));

fbo.end();

auto span = 20;

ofPixels pixels;

fbo.readToPixels(pixels);

for (int x = 0; x < fbo.getWidth(); x += span) {

for (int y = 0; y < fbo.getHeight(); y += span) {

ofColor color = pixels.getColor(x, y);

if (color != ofColor(0, 0)) {

for (int z = span * -2; z <= span * 2; z += span) {

this->location_list.push_back(glm::vec3(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.3, z));

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->line.clear();

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

this->setBoxToMesh(this->face, this->line, this->location_list[i], 20, 20, 20);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(sin(ofGetFrameNum() * 0.02) * 20);

this->face.draw();

this->line.draw();

ofSetColor(0);

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

ofDrawSphere(vertex, 2.5);

}

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.006);

auto scale = 1.f;

if (noise_value < 0.45) {

scale = 0;

}

else if (noise_value < 0.55) {

scale = ofMap(noise_value, 0.45, 0.55, 0, 1);

}

if (scale <= 0) { return; }

width *= scale;

height *= scale;

depth *= scale;

int index = face_target.getVertices().size();

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

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

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

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

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

face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);

face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

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

frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);

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

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

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

frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);

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

frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);

frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);

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

face_target.addColor(ofColor(255));

frame_target.addColor(ofColor(0));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230115

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2023年1月14日

Hexagonal ridges. Draw by openFrameworks

[ Video ]

[ About ]
六角形が隆起

[ 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 setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius);

	vector<glm::vec3> location_list;

	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 setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius);

vector<glm::vec3> location_list;

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(1);
	ofEnableDepthTest();

	auto radius = 8;
	auto x_span = radius * sqrt(3);
	auto flg = true;
	for (float y = -360 * 1.5; y < 360 * 1.5; y += radius * 1.5) {

		for (float x = -360 * 1.5; x < 360 * 1.5; x += x_span) {

			glm::vec3 location;
			if (flg) {

				location = glm::vec3(x, y, 0);
			}
			else {

				location = glm::vec3(x + (x_span / 2), y, 0);
			}

			this->location_list.push_back(location);
		}
		flg = !flg;
	}

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

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

	ofSeedRandom(39);

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

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

		this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 8);
	}

}

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

	this->cam.begin();
	ofRotateX(310);

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius) {

	ofColor face_color = ofColor(0);
	ofColor frame_color = ofColor(255);

	auto noise_value = ofNoise(glm::vec4(location * 0.004, ofGetFrameNum() * 0.0085));
	auto height = 0;
	auto max_height = 50;

	if (noise_value > 0.43 && noise_value <= 0.48) {

		height = ofMap(noise_value, 0.43, 0.48, 0, max_height);
	}

	if (noise_value > 0.48 && noise_value < 0.52) {

		height = max_height;
	}

	if (noise_value > 0.52 && noise_value <= 0.57) {

		height = ofMap(noise_value, 0.52, 0.57, max_height, 0);
	}

	if (height == 0) { return; }

	for (int deg = 90; deg < 450; deg += 60) {

		auto face_radius = radius - 0.5;
		auto face_index = face_target.getNumVertices();
		auto frame_index = frame_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3(0, 0, 0));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));
		vertices.push_back(glm::vec3(0, 0, height));
		vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));
		vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

		for (auto& vertex : vertices) {

			vertex += location;
		}

		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 + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);
		face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

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

			face_target.addColor(face_color);
			frame_target.addColor(frame_color);
		}
	}
}

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

ofSetLineWidth(1);

ofEnableDepthTest();

auto radius = 8;

auto x_span = radius * sqrt(3);

auto flg = true;

for (float y = -360 * 1.5; y < 360 * 1.5; y += radius * 1.5) {

for (float x = -360 * 1.5; x < 360 * 1.5; x += x_span) {

glm::vec3 location;

if (flg) {

location = glm::vec3(x, y, 0);

}

else {

location = glm::vec3(x + (x_span / 2), y, 0);

}

this->location_list.push_back(location);

}

flg = !flg;

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

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

this->setHexagonToMesh(this->face, this->frame, this->location_list[i], 8);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(310);

this->face.draw();

this->frame.draw();

this->cam.end();

}

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

void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius) {

ofColor face_color = ofColor(0);

ofColor frame_color = ofColor(255);

auto noise_value = ofNoise(glm::vec4(location * 0.004, ofGetFrameNum() * 0.0085));

auto height = 0;

auto max_height = 50;

if (noise_value > 0.43 && noise_value <= 0.48) {

height = ofMap(noise_value, 0.43, 0.48, 0, max_height);

}

if (noise_value > 0.48 && noise_value < 0.52) {

height = max_height;

}

if (noise_value > 0.52 && noise_value <= 0.57) {

height = ofMap(noise_value, 0.52, 0.57, max_height, 0);

}

if (height == 0) { return; }

for (int deg = 90; deg < 450; deg += 60) {

auto face_radius = radius - 0.5;

auto face_index = face_target.getNumVertices();

auto frame_index = frame_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(0, 0, 0));

vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), 0));

vertices.push_back(glm::vec3(0, 0, height));

vertices.push_back(glm::vec3(face_radius * cos((deg + 60) * DEG_TO_RAD), face_radius * sin((deg + 60) * DEG_TO_RAD), height));

vertices.push_back(glm::vec3(face_radius * cos(deg * DEG_TO_RAD), face_radius * sin(deg * DEG_TO_RAD), height));

for (auto& vertex : vertices) {

vertex += location;

}

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 + 3); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 4);

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

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);

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

frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 4);

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

face_target.addColor(face_color);

frame_target.addColor(frame_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230114

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2023年1月
月	火	水	木	金	土	日
						1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30	31