RGB lines. – プログラミング de 落描き

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３色ライン。

[ 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, 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) {};

ofEasyCam cam;

ofMesh face, line;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(90);
	ofRotateZ(ofGetFrameNum() * 1.44);

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

	auto radius = 250;
	auto phi_len = 25;
	auto theta_deg_step = 0.25;
	ofColor color;

	auto noise_seed = ofRandom(1000);

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

		color.setHsb(ofMap(i, 0, 3, 0, 255), 255, 255);

		for (float theta_deg = 0; theta_deg < 180; theta_deg += theta_deg_step) {

			auto next_theta_deg = theta_deg + theta_deg_step;
			auto phi_deg = i * 40 + ofMap(ofNoise(noise_seed, theta_deg * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -360 * 3, 360 * 3);
			auto next_phi_deg = i * 40 + ofMap(ofNoise(noise_seed, next_theta_deg * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -360 * 3, 360 * 3);

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec3(
				radius * sin(theta_deg * DEG_TO_RAD) * cos((phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(theta_deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin(theta_deg * DEG_TO_RAD) * cos((phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(theta_deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(next_theta_deg * DEG_TO_RAD)));
			vertices.push_back(glm::vec3(
				radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),
				radius * cos(next_theta_deg * DEG_TO_RAD)));

			this->face.addVertices(vertices);
			this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);
			this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

			this->line.addVertices(vertices);
			this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4);
			this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);

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

				this->face.addColor(ofColor(color, 128));
				this->line.addColor(color);
			}
		}
	}

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

	this->cam.end();

	/*
	int start = 50;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofSetLineWidth(3);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofRotateZ(ofGetFrameNum() * 1.44);

this->face.clear();

this->line.clear();

auto radius = 250;

auto phi_len = 25;

auto theta_deg_step = 0.25;

ofColor color;

auto noise_seed = ofRandom(1000);

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

color.setHsb(ofMap(i, 0, 3, 0, 255), 255, 255);

for (float theta_deg = 0; theta_deg < 180; theta_deg += theta_deg_step) {

auto next_theta_deg = theta_deg + theta_deg_step;

auto phi_deg = i * 40 + ofMap(ofNoise(noise_seed, theta_deg * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -360 * 3, 360 * 3);

auto next_phi_deg = i * 40 + ofMap(ofNoise(noise_seed, next_theta_deg * 0.01 + ofGetFrameNum() * 0.01), 0, 1, -360 * 3, 360 * 3);

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin(theta_deg * DEG_TO_RAD) * cos((phi_deg - phi_len * 0.5) * DEG_TO_RAD),

radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg - phi_len * 0.5) * DEG_TO_RAD),

radius * cos(theta_deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin(theta_deg * DEG_TO_RAD) * cos((phi_deg + phi_len * 0.5) * DEG_TO_RAD),

radius * sin(theta_deg * DEG_TO_RAD) * sin((phi_deg + phi_len * 0.5) * DEG_TO_RAD),

radius * cos(theta_deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),

radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg + phi_len * 0.5) * DEG_TO_RAD),

radius * cos(next_theta_deg * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin(next_theta_deg * DEG_TO_RAD) * cos((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),

radius * sin(next_theta_deg * DEG_TO_RAD) * sin((next_phi_deg - phi_len * 0.5) * DEG_TO_RAD),

radius * cos(next_theta_deg * DEG_TO_RAD)));

this->face.addVertices(vertices);

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 4);

this->line.addVertices(vertices);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4);

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

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

this->face.addColor(ofColor(color, 128));

this->line.addColor(color);

}

this->face.draw();

this->line.drawWireframe();

this->cam.end();

int start = 50;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20251006

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