2022年3月 – ページ 9 – プログラミング de 落描き

2022年3月7日

Noise plates. Draw by openFrameworks

[ Video ]

[ About ]
Noise plates.

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

	ofBackground(255);
	ofEnableDepthTest();
	ofSetLineWidth(3);

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

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

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

	float span = 10;
	float threshold = 0.6;
	float noise_param = 0.01;

	for (float x = -200; x <= 200; x += span) {

		for (float y = -200; y <= 200; y += span) {

			for (float z = -200; z <= 0; z += span) {

				auto noise_value = ofNoise(x * noise_param, y * noise_param, z * noise_param + ofGetFrameNum() * 0.05);

				if (noise_value < threshold) { continue; }

				auto noise_value_1 = ofNoise((x - span) * noise_param, y * noise_param, z * noise_param + ofGetFrameNum() * 0.05);
				auto noise_value_2 = ofNoise(x * noise_param, (y + span) * noise_param, z * noise_param + ofGetFrameNum() * 0.05);
				auto noise_value_3 = ofNoise((x + span) * noise_param, y * noise_param, z * noise_param + ofGetFrameNum() * 0.05);
				auto noise_value_4 = ofNoise(x * noise_param, (y - span) * noise_param, z * noise_param + ofGetFrameNum() * 0.05);


				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec3(x - span * 0.5, y - span * 0.5, z));
				vertices.push_back(glm::vec3(x - span * 0.5, y + span * 0.5, z));
				vertices.push_back(glm::vec3(x + span * 0.5, y + span * 0.5, z));
				vertices.push_back(glm::vec3(x + span * 0.5, y - span * 0.5, z));

				this->face.addVertices(vertices);

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

				if (noise_value_1 < threshold || x == -200) {

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[1]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_value_2 < threshold || y == 200) {

					this->line.addVertex(vertices[1]); this->line.addVertex(vertices[2]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_value_3 < threshold || x == 200) {

					this->line.addVertex(vertices[2]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
				}

				if (noise_value_4 < threshold || y == -200){

					this->line.addVertex(vertices[0]); this->line.addVertex(vertices[3]);
					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
				}
			}
		}
	}
}

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

	this->cam.begin();

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

	ofSetColor(255, 0, 255);
	this->line.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);

ofEnableDepthTest();

ofSetLineWidth(3);

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

float span = 10;

float threshold = 0.6;

float noise_param = 0.01;

for (float x = -200; x <= 200; x += span) {

for (float y = -200; y <= 200; y += span) {

for (float z = -200; z <= 0; z += span) {

auto noise_value = ofNoise(x * noise_param, y * noise_param, z * noise_param + ofGetFrameNum() * 0.05);

if (noise_value < threshold) { continue; }

auto noise_value_1 = ofNoise((x - span) * noise_param, y * noise_param, z * noise_param + ofGetFrameNum() * 0.05);

auto noise_value_2 = ofNoise(x * noise_param, (y + span) * noise_param, z * noise_param + ofGetFrameNum() * 0.05);

auto noise_value_3 = ofNoise((x + span) * noise_param, y * noise_param, z * noise_param + ofGetFrameNum() * 0.05);

auto noise_value_4 = ofNoise(x * noise_param, (y - span) * noise_param, z * noise_param + ofGetFrameNum() * 0.05);

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(x - span * 0.5, y - span * 0.5, z));

vertices.push_back(glm::vec3(x - span * 0.5, y + span * 0.5, z));

vertices.push_back(glm::vec3(x + span * 0.5, y + span * 0.5, z));

vertices.push_back(glm::vec3(x + span * 0.5, y - span * 0.5, z));

this->face.addVertices(vertices);

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

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

if (noise_value_1 < threshold || x == -200) {

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

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

}

if (noise_value_2 < threshold || y == 200) {

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

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

}

if (noise_value_3 < threshold || x == 200) {

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

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

}

if (noise_value_4 < threshold || y == -200){

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

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

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(0);

this->face.draw();

ofSetColor(255, 0, 255);

this->line.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220307

2022年3月6日

ELDEN RING. Draw by openFrameworks

[ Video ]

[ About ]
ELDEN RING 最高～

[ 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;

	float font_size;
	ofTrueTypeFont font;
};

#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;

float font_size;

ofTrueTypeFont font;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(255);
	ofSetColor(0);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	this->font_size = 55;
	this->font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true);
}

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

	ofSeedRandom(39);
}

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

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

	string word = "ELDENRING";
	int sample_count = 30;
	auto base_location = glm::vec3(0, 0, 0);

	for (int r = 0; r < 15; r++) {

		auto radius = 350 - r * 10;

		auto angle_x = ofMap(ofNoise(r * 0.015 - ofGetFrameNum() * 0.006), 0, 1, -PI * 1, PI * 1);
		auto angle_y = ofMap(ofNoise(r * 0.015 - ofGetFrameNum() * 0.006), 0, 1, -PI * 1, PI * 1);
		auto angle_z = ofMap(ofNoise(r * 0.015 - ofGetFrameNum() * 0.006), 0, 1, -PI * 1, PI * 1);

		auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
		auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
		auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

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

			auto rotation = glm::rotate(glm::mat4(), (i * 7.2f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
			auto noise_location = glm::vec4(this->font_size * 0.5, base_location.y + this->font_size * -0.5, radius, 0) * rotation;
			noise_location = noise_location * rotation_z * rotation_y * rotation_x;

			int word_index = (int)ofMap(ofNoise(noise_location.x * 0.0001, noise_location.y * 0.0001 - ofGetFrameNum() * 0.005, noise_location.z * 0.0001), 0, 1, 0, word.size() * 2) % word.size();

			ofPath chara_path = this->font.getCharacterAsPoints(word[word_index], true, false);
			vector<ofPolyline> outline = chara_path.getOutline();

			ofFill();
			ofSetColor(255);
			ofBeginShape();
			for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

				if (outline_index != 0) { ofNextContour(true); }

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

					auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 350);
					auto rotation = glm::rotate(glm::mat4(), (i * 7.2f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					location = glm::vec4(location, 0) * rotation;
					location += base_location;
					location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

					location = glm::normalize(location) * radius;

					ofVertex(location);
				}
			}
			ofEndShape();

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

				if (outline_index != 0) { ofNextContour(true); }

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

					auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 350);
					auto rotation = glm::rotate(glm::mat4(), (i * 7.2f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
					location = glm::vec4(location, 0) * rotation;
					location += base_location;
					location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

					location = glm::normalize(location) * radius;

					ofVertex(location);
				}
			}
			ofEndShape(true);
		}
	}

	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);

ofSetColor(0);

ofSetLineWidth(3);

ofEnableDepthTest();

this->font_size = 55;

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

string word = "ELDENRING";

int sample_count = 30;

auto base_location = glm::vec3(0, 0, 0);

for (int r = 0; r < 15; r++) {

auto radius = 350 - r * 10;

auto angle_x = ofMap(ofNoise(r * 0.015 - ofGetFrameNum() * 0.006), 0, 1, -PI * 1, PI * 1);

auto angle_y = ofMap(ofNoise(r * 0.015 - ofGetFrameNum() * 0.006), 0, 1, -PI * 1, PI * 1);

auto angle_z = ofMap(ofNoise(r * 0.015 - ofGetFrameNum() * 0.006), 0, 1, -PI * 1, PI * 1);

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

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

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

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

auto rotation = glm::rotate(glm::mat4(), (i * 7.2f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto noise_location = glm::vec4(this->font_size * 0.5, base_location.y + this->font_size * -0.5, radius, 0) * rotation;

noise_location = noise_location * rotation_z * rotation_y * rotation_x;

int word_index = (int)ofMap(ofNoise(noise_location.x * 0.0001, noise_location.y * 0.0001 - ofGetFrameNum() * 0.005, noise_location.z * 0.0001), 0, 1, 0, word.size() * 2) % word.size();

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

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

ofFill();

ofSetColor(255);

ofBeginShape();

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

if (outline_index != 0) { ofNextContour(true); }

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

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 350);

auto rotation = glm::rotate(glm::mat4(), (i * 7.2f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

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

location += base_location;

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

location = glm::normalize(location) * radius;

ofVertex(location);

}

ofEndShape();

ofNoFill();

ofBeginShape();

ofSetColor(0);

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

if (outline_index != 0) { ofNextContour(true); }

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

for (auto& vertex : vertices) {

auto location = vertex - glm::vec3(this->font_size * 0.5, this->font_size * -0.5, 350);

auto rotation = glm::rotate(glm::mat4(), (i * 7.2f) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

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

location += base_location;

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

location = glm::normalize(location) * radius;

ofVertex(location);

}

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220306

2022年3月5日2022年3月5日

Pale Orange Heart. Draw by openFrameworks

[ Video ]

[ About ]
配色デザインインスピレーションブックⅢという本を購入して参照しました。

[ 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) {};

	glm::vec2 make_point(float theta);
	void palette_shuffle(vector<ofColor>& color_palette);

	vector<ofColor> color_palette;
};

#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) {};

glm::vec2 make_point(float theta);

void palette_shuffle(vector<ofColor>& color_palette);

vector<ofColor> color_palette;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofSetBackgroundAuto(false);

	// 配色デザイン ペールオレンジ P052
	this->color_palette.push_back(ofColor(245, 226, 197));
	this->color_palette.push_back(ofColor(249, 235, 199));
	this->color_palette.push_back(ofColor(235, 216, 183));
	this->color_palette.push_back(ofColor(242, 216, 194));
	this->color_palette.push_back(ofColor(208, 175, 131));
	this->color_palette.push_back(ofColor(220, 230, 233));
	this->color_palette.push_back(ofColor(199, 213, 188));
	this->color_palette.push_back(ofColor(253, 247, 225));
}

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

	ofSeedRandom(39);
}

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

	for (int i = 0; i < 2; i++) {

		this->palette_shuffle(this->color_palette);

		auto location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.035), 0, 1, 50, 670), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.035), 0, 1, 50, 670));
		auto scale = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.05), 0, 1, 1, 10);

		ofPushMatrix();
		ofTranslate(location);
		ofRotate(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.05), 0, 1, -360, 360));

		ofSetColor(color_palette[0]);
		ofFill();
		ofBeginShape();
		for (auto deg = 0; deg < 360; deg += 1) {

			ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);
		}
		ofEndShape(true);

		ofSetColor(255);
		ofNoFill();
		ofBeginShape();
		for (auto deg = 0; deg < 360; deg += 1) {

			ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);
		}
		ofEndShape(true);

		ofPopMatrix();
	}

	ofSetColor(0);
	ofFill();
	ofBeginShape();
	ofVertex(0, 0);
	ofVertex(ofGetWidth(), 0);
	ofVertex(ofGetWidth(), ofGetHeight());
	ofVertex(0, ofGetHeight());
	ofNextContour(true);
	ofVertex(50, 50);
	ofVertex(ofGetWidth() - 50, 50);
	ofVertex(ofGetWidth() - 50, ofGetHeight() - 50);
	ofVertex(50, ofGetHeight() - 50);
	ofEndShape(true);
}

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

//--------------------------------------------------------------
void ofApp::palette_shuffle(vector<ofColor>& color_palette) {

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

		int k = ofRandom(i, color_palette.size());
		ofColor tmp = color_palette[i];
		color_palette[i] = color_palette[k];
		color_palette[k] = tmp;
	}
}

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

ofSetBackgroundAuto(false);

// 配色デザインペールオレンジ P052

this->color_palette.push_back(ofColor(245, 226, 197));

this->color_palette.push_back(ofColor(249, 235, 199));

this->color_palette.push_back(ofColor(235, 216, 183));

this->color_palette.push_back(ofColor(242, 216, 194));

this->color_palette.push_back(ofColor(208, 175, 131));

this->color_palette.push_back(ofColor(220, 230, 233));

this->color_palette.push_back(ofColor(199, 213, 188));

this->color_palette.push_back(ofColor(253, 247, 225));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

for (int i = 0; i < 2; i++) {

this->palette_shuffle(this->color_palette);

auto location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.035), 0, 1, 50, 670), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.035), 0, 1, 50, 670));

auto scale = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.05), 0, 1, 1, 10);

ofPushMatrix();

ofTranslate(location);

ofRotate(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.05), 0, 1, -360, 360));

ofSetColor(color_palette[0]);

ofFill();

ofBeginShape();

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

ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);

}

ofEndShape(true);

ofSetColor(255);

ofNoFill();

ofBeginShape();

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

ofVertex(this->make_point(deg * DEG_TO_RAD) * scale);

}

ofEndShape(true);

ofPopMatrix();

}

ofSetColor(0);

ofFill();

ofBeginShape();

ofVertex(0, 0);

ofVertex(ofGetWidth(), 0);

ofVertex(ofGetWidth(), ofGetHeight());

ofVertex(0, ofGetHeight());

ofNextContour(true);

ofVertex(50, 50);

ofVertex(ofGetWidth() - 50, 50);

ofVertex(ofGetWidth() - 50, ofGetHeight() - 50);

ofVertex(50, ofGetHeight() - 50);

ofEndShape(true);

}

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

//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);

}

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

void ofApp::palette_shuffle(vector<ofColor>& color_palette) {

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

int k = ofRandom(i, color_palette.size());

ofColor tmp = color_palette[i];

color_palette[i] = color_palette[k];

color_palette[k] = tmp;

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220305

2022年3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