2022年5月 – ページ 8 – プログラミング de 落描き

2022年5月10日

Gradation relationship. Draw by openFrameworks

[ Video ]

[ About ]
線はお互いの色のグラデーションカラー。

Gradation color line.

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofxBox2d.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	float radius;
	ofxBox2d box2d;
	vector<shared_ptr<ofxBox2dCircle>> circle_list;
	vector<ofColor> color_list;

};

#pragma once

#include "ofMain.h"

#include "ofxBox2d.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

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

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

float radius;

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dCircle>> circle_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(2);
	ofNoFill();

	this->radius = 20;

	this->box2d.init();
	this->box2d.setGravity(0, 0);
	this->box2d.createBounds(20, 20, 680, 680);
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();

	ofColor color;
	for (int i = 0; i < 50; i++) {
		
		auto circle = make_shared<ofxBox2dCircle>();
		circle->setPhysics(0.5, 0.63, 0.1);
		circle->setup(this->box2d.getWorld(), ofRandom(30, 670), ofRandom(30, 670), this->radius);
		this->circle_list.push_back(circle);

		color.setHsb(ofMap(i, 0, 50, 0, 255), 180, 255);
		this->color_list.push_back(color);
	}
}

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

	ofSeedRandom(39);

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

		for (int j = i + 1; j < this->circle_list.size(); j++) {

			float distance = this->circle_list[i]->getPosition().distance(this->circle_list[j]->getPosition());
			if (distance < this->radius * 4) {

				this->circle_list[i]->addForce(this->circle_list[i]->getPosition() - this->circle_list[j]->getPosition(), ofMap(distance, this->radius, this->radius * 4, 1, 2));
				this->circle_list[j]->addForce(this->circle_list[j]->getPosition() - this->circle_list[i]->getPosition(), ofMap(distance, this->radius, this->radius * 4, 1, 2));
			}
		}
	}

	this->box2d.update();
}

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

	ofMesh line;
	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	auto threshold = 100;
	for (int i = 0; i < this->circle_list.size(); i++) {

		glm::vec2 location = this->circle_list[i]->getPosition();

		ofSetColor(this->color_list[i]);
		ofDrawCircle(location, 10);

		for (int k = 0; k < this->circle_list.size(); k++) {

			glm::vec2 other = this->circle_list[k]->getPosition();
			if (location == other) { continue; }

			auto distance = glm::distance(location, other);
			if (distance < threshold) {

				auto direction_rad = std::atan2(other.y - location.y, other.x - location.x);
				auto direction = direction_rad * RAD_TO_DEG;
				auto width = ofMap(distance, 0, threshold, 360, 0);

				ofNoFill();

				ofBeginShape();
				for (auto deg = direction - width * 0.65; deg <= direction + width * 0.65; deg++) {

					ofVertex(location.x + this->radius * cos(deg * DEG_TO_RAD), location.y + this->radius * sin(deg * DEG_TO_RAD));
				}
				ofEndShape();

				line.addVertex(glm::vec3(location + glm::vec2(this->radius * cos(direction * DEG_TO_RAD), this->radius * sin(direction * DEG_TO_RAD)), 0));
				line.addVertex(glm::vec3(other + glm::vec2(this->radius * cos((180 + direction) * DEG_TO_RAD), this->radius * sin((180 + direction) * DEG_TO_RAD)), 0));

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

				line.addIndex(line.getNumVertices() - 1);
				line.addIndex(line.getNumVertices() - 2);
			}
		}
	}

	ofSetColor(255);
	ofDrawRectangle(20, 20, 680, 680);
	line.drawWireframe();
}

//--------------------------------------------------------------
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(2);

ofNoFill();

this->radius = 20;

this->box2d.init();

this->box2d.setGravity(0, 0);

this->box2d.createBounds(20, 20, 680, 680);

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

ofColor color;

for (int i = 0; i < 50; i++) {

auto circle = make_shared<ofxBox2dCircle>();

circle->setPhysics(0.5, 0.63, 0.1);

circle->setup(this->box2d.getWorld(), ofRandom(30, 670), ofRandom(30, 670), this->radius);

this->circle_list.push_back(circle);

color.setHsb(ofMap(i, 0, 50, 0, 255), 180, 255);

this->color_list.push_back(color);

}

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

void ofApp::update() {

ofSeedRandom(39);

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

for (int j = i + 1; j < this->circle_list.size(); j++) {

float distance = this->circle_list[i]->getPosition().distance(this->circle_list[j]->getPosition());

if (distance < this->radius * 4) {

this->circle_list[i]->addForce(this->circle_list[i]->getPosition() - this->circle_list[j]->getPosition(), ofMap(distance, this->radius, this->radius * 4, 1, 2));

this->circle_list[j]->addForce(this->circle_list[j]->getPosition() - this->circle_list[i]->getPosition(), ofMap(distance, this->radius, this->radius * 4, 1, 2));

}

this->box2d.update();

}

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

void ofApp::draw() {

ofMesh line;

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

auto threshold = 100;

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

glm::vec2 location = this->circle_list[i]->getPosition();

ofSetColor(this->color_list[i]);

ofDrawCircle(location, 10);

for (int k = 0; k < this->circle_list.size(); k++) {

glm::vec2 other = this->circle_list[k]->getPosition();

if (location == other) { continue; }

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

if (distance < threshold) {

auto direction_rad = std::atan2(other.y - location.y, other.x - location.x);

auto direction = direction_rad * RAD_TO_DEG;

auto width = ofMap(distance, 0, threshold, 360, 0);

ofNoFill();

ofBeginShape();

for (auto deg = direction - width * 0.65; deg <= direction + width * 0.65; deg++) {

ofVertex(location.x + this->radius * cos(deg * DEG_TO_RAD), location.y + this->radius * sin(deg * DEG_TO_RAD));

}

ofEndShape();

line.addVertex(glm::vec3(location + glm::vec2(this->radius * cos(direction * DEG_TO_RAD), this->radius * sin(direction * DEG_TO_RAD)), 0));

line.addVertex(glm::vec3(other + glm::vec2(this->radius * cos((180 + direction) * DEG_TO_RAD), this->radius * sin((180 + direction) * DEG_TO_RAD)), 0));

line.addColor(this->color_list[i]);

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

line.addIndex(line.getNumVertices() - 1);

line.addIndex(line.getNumVertices() - 2);

}

ofSetColor(255);

ofDrawRectangle(20, 20, 680, 680);

line.drawWireframe();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220510

2022年5月9日

3 lines. Draw by openFrameworks

[ Video ]

[ About ]
3つの線と3つの線。

3 lines.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofSetLineWidth(3);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);
	ofNoFill();
}

//--------------------------------------------------------------
void ofApp::update() {
	
	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

	for (int y = -200; y <= 200; y += 200) {

		int param_x = ofMap((ofGetFrameNum() * 12 + y * ofGetWindowWidth() / 3) % ofGetWindowWidth(), 0, ofGetWindowWidth(), ofGetWindowWidth() * -0.5 - 40, ofGetWindowWidth() * 0.5 + 40);
		for (int color_index = 0; color_index < color_list.size(); color_index++) {

			auto noise_seed = ofRandom(1000);

			ofSetColor(color_list[color_index]);
			ofBeginShape();
			for (int x = ofGetWindowWidth() * -0.5; x <= ofGetWindowWidth() * 0.5; x += 1) {

				auto noise_value = ofNoise(noise_seed, x * 0.02, ofGetFrameNum() * 0.001);
				auto param = ofMap(noise_value, 0, 1, -150, 150);
				auto len = abs(param_x - x);

				if (len < 80) {

					param *= ofMap(len, 0, 80, 1, 0);
				}
				else {

					param *= 0;
				}

				ofVertex(x, y + param);
			}
			ofEndShape(false);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetLineWidth(3);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

for (int y = -200; y <= 200; y += 200) {

int param_x = ofMap((ofGetFrameNum() * 12 + y * ofGetWindowWidth() / 3) % ofGetWindowWidth(), 0, ofGetWindowWidth(), ofGetWindowWidth() * -0.5 - 40, ofGetWindowWidth() * 0.5 + 40);

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

auto noise_seed = ofRandom(1000);

ofSetColor(color_list[color_index]);

ofBeginShape();

for (int x = ofGetWindowWidth() * -0.5; x <= ofGetWindowWidth() * 0.5; x += 1) {

auto noise_value = ofNoise(noise_seed, x * 0.02, ofGetFrameNum() * 0.001);

auto param = ofMap(noise_value, 0, 1, -150, 150);

auto len = abs(param_x - x);

if (len < 80) {

param *= ofMap(len, 0, 80, 1, 0);

}

else {

param *= 0;

}

ofVertex(x, y + param);

}

ofEndShape(false);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220509

2022年5月8日

Remodeling. Draw by openFrameworks

[ Video ]

[ About ]
波で模様替え。

[ 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, float height, glm::vec3 noise_deg, ofColor face_color, ofColor frame_color);

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec2> location_list;
	vector<glm::vec3> noise_seed_list;
	vector<ofColor> color_list;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

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

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void 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, float height, glm::vec3 noise_deg, ofColor face_color, ofColor frame_color);

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec2> location_list;

vector<glm::vec3> noise_seed_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

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

	auto radius = 12;
	auto x_span = radius * sqrt(3);
	auto flg = true;
	for (float y = -650; y < 650; y += radius * 1.5) {

		for (float x = -650; x < 650; x += x_span) {

			glm::vec2 location;
			if (flg) {

				location = glm::vec2(x, y);
			}
			else {

				location = glm::vec2(x + (x_span / 2), y);
			}

			this->location_list.push_back(location);
			this->noise_seed_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));
			this->color_list.push_back(ofColor(0));
		}
		flg = !flg;
	}

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

}

//--------------------------------------------------------------
void ofApp::update() {
	
	this->face.clear();
	this->frame.clear();

	auto radius = 12;
	auto height = 5.f;

	// 配色デザイン ビビッドブルー P144
	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(18, 85, 163));
	color_palette.push_back(ofColor(0, 165, 231));
	color_palette.push_back(ofColor(93, 177, 186));
	color_palette.push_back(ofColor(44, 121, 191));
	color_palette.push_back(ofColor(136, 185, 79));
	color_palette.push_back(ofColor(246, 221, 80));
	color_palette.push_back(ofColor(200, 59, 57));
	//color_palette.push_back(ofColor(255, 255, 255)); // gbcolor

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

		auto noise_deg = glm::vec3(
			ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].x + ofGetFrameNum() * 0.05)), 0, 1, -360, 360),
			ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].y + ofGetFrameNum() * 0.05)), 0, 1, -360, 360),
			ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].z + ofGetFrameNum() * 0.05)), 0, 1, -360, 360));

		auto len = glm::length(this->location_list[i]);
		auto param = (ofGetFrameNum() * 10) % 630 - 30;
		auto tmp = abs(len - param);
		if (tmp > 0 && tmp < 30) {

			this->color_list[i] = color_palette[ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.003, ofGetFrameNum() * 0.05)), 0, 1, 0, color_palette.size())];
		}
		else {

			noise_deg *= 0;
		}

		this->setHexagonToMesh(this->face, this->frame, glm::vec3(this->location_list[i], 0), radius, height, noise_deg, this->color_list[i], ofColor(255));
	}
}

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

	this->cam.begin();

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, glm::vec3 noise_deg, ofColor face_color, ofColor frame_color) {

	auto rotation_x = glm::rotate(glm::mat4(), noise_deg.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
	auto rotation_y = glm::rotate(glm::mat4(), noise_deg.y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
	auto rotation_z = glm::rotate(glm::mat4(), noise_deg.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

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

		auto face_radius = radius - 0.5;
		auto face_index = face_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 + glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;
		}

		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);

		auto frame_index = frame_target.getNumVertices();

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

		for (auto& vertex : vertices) {

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

		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(255);

ofSetLineWidth(2);

ofEnableDepthTest();

auto radius = 12;

auto x_span = radius * sqrt(3);

auto flg = true;

for (float y = -650; y < 650; y += radius * 1.5) {

for (float x = -650; x < 650; x += x_span) {

glm::vec2 location;

if (flg) {

location = glm::vec2(x, y);

}

else {

location = glm::vec2(x + (x_span / 2), y);

}

this->location_list.push_back(location);

this->noise_seed_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));

this->color_list.push_back(ofColor(0));

}

flg = !flg;

}

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

auto radius = 12;

auto height = 5.f;

// 配色デザインビビッドブルー P144

vector<ofColor> color_palette;

color_palette.push_back(ofColor(18, 85, 163));

color_palette.push_back(ofColor(0, 165, 231));

color_palette.push_back(ofColor(93, 177, 186));

color_palette.push_back(ofColor(44, 121, 191));

color_palette.push_back(ofColor(136, 185, 79));

color_palette.push_back(ofColor(246, 221, 80));

color_palette.push_back(ofColor(200, 59, 57));

//color_palette.push_back(ofColor(255, 255, 255)); // gbcolor

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

auto noise_deg = glm::vec3(

ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].x + ofGetFrameNum() * 0.05)), 0, 1, -360, 360),

ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].y + ofGetFrameNum() * 0.05)), 0, 1, -360, 360),

ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.005, this->noise_seed_list[i].z + ofGetFrameNum() * 0.05)), 0, 1, -360, 360));

auto len = glm::length(this->location_list[i]);

auto param = (ofGetFrameNum() * 10) % 630 - 30;

auto tmp = abs(len - param);

if (tmp > 0 && tmp < 30) {

this->color_list[i] = color_palette[ofMap(ofNoise(glm::vec3(this->location_list[i] * 0.003, ofGetFrameNum() * 0.05)), 0, 1, 0, color_palette.size())];

}

else {

noise_deg *= 0;

}

this->setHexagonToMesh(this->face, this->frame, glm::vec3(this->location_list[i], 0), radius, height, noise_deg, this->color_list[i], ofColor(255));

}

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

void ofApp::draw() {

this->cam.begin();

this->face.draw();

this->frame.draw();

this->cam.end();

}

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

void ofApp::setHexagonToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float height, glm::vec3 noise_deg, ofColor face_color, ofColor frame_color) {

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

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

auto rotation_z = glm::rotate(glm::mat4(), noise_deg.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

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

auto face_radius = radius - 0.5;

auto face_index = face_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 + glm::vec4(vertex, 0) * rotation_z * rotation_y * rotation_x;

}

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);

auto frame_index = frame_target.getNumVertices();

vertices.clear();

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

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

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

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

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

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

for (auto& vertex : vertices) {

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

}

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/Insta20220508

2022年5月
月	火	水	木	金	土	日
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