プログラミング de 落描き

2021年4月13日2021年4月13日

noise boundary. Draw by openframeworks

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noise boundary.

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#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 draw_arrow(glm::vec2 location, float angle, float size);

	vector<glm::vec2> location_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

void draw_arrow(glm::vec2 location, float angle, float size);

vector<glm::vec2> location_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);

	for (int x = -280; x <= 280; x += 35) {

		for (int y = -280; y <= 280; y += 35) {

			this->location_list.push_back(glm::vec2(x, y));
		}
	}
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	for (auto& location : this->location_list) {

		int angle = ofMap(ofNoise(glm::vec3(location * 0.0008, ofGetFrameNum() * 0.002)), 0, 1, 0, 720);
		int param = angle % 90;
		angle = angle - param;

		ofSetColor(39);
		if (param < 5) {

			angle += ofMap(param, 5, 0, 0, -90);
			ofSetColor(239, 0, 0);
		}
		else if (param > 85) {

			angle += ofMap(param, 85, 0, 0, 90);
			ofSetColor(239, 0, 0);
		}


		this->draw_arrow(location, angle, 20);
	}
}

//--------------------------------------------------------------
void ofApp::draw_arrow(glm::vec2 location, float angle, float size) {

	angle *= DEG_TO_RAD;

	ofBeginShape();
	ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));
	ofEndShape(true);

	ofBeginShape();
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
	ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);
	ofEndShape(true);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

for (int x = -280; x <= 280; x += 35) {

for (int y = -280; y <= 280; y += 35) {

this->location_list.push_back(glm::vec2(x, y));

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

for (auto& location : this->location_list) {

int angle = ofMap(ofNoise(glm::vec3(location * 0.0008, ofGetFrameNum() * 0.002)), 0, 1, 0, 720);

int param = angle % 90;

angle = angle - param;

ofSetColor(39);

if (param < 5) {

angle += ofMap(param, 5, 0, 0, -90);

ofSetColor(239, 0, 0);

}

else if (param > 85) {

angle += ofMap(param, 85, 0, 0, 90);

ofSetColor(239, 0, 0);

}

this->draw_arrow(location, angle, 20);

}

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

void ofApp::draw_arrow(glm::vec2 location, float angle, float size) {

angle *= DEG_TO_RAD;

ofBeginShape();

ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));

ofEndShape(true);

ofBeginShape();

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210413

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2021年4月12日2021年4月12日

Visible and unvisible. Draw by openFrameworks

[ Video ]

[ About ]
Visible and unvisible.

[ 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 size, ofColor face_color);
	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor face_colorr);

	ofEasyCam cam;
	ofMesh face, frame;

	vector<glm::vec3> location_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 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 size, ofColor face_color);

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

ofEasyCam cam;

ofMesh face, frame;

vector<glm::vec3> location_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();

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

	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	vector<ofColor> base_color_list;
	for (auto hex : hex_list) {

		color.setHex(hex);
		base_color_list.push_back(color);
	}

	int span = 40;
	for (int x = -220; x <= 220; x += span) {

		for (int y = -220; y <= 220; y += span) {

			for (int z = -220; z <= 220; z += 440) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);
			}
		}
	}

	for (int x = -220; x <= 220; x += 440) {

		for (int y = -220; y <= 220; y += span) {

			for (int z = -220 + span; z <= 220 - span; z += span) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);
			}
		}
	}

	for (int x = -220 + span; x <= 220 - span; x += span) {

		for (int y = -220; y <= 220; y += 440) {

			for (int z = -220 + span; z <= 220 - span; z += span) {

				this->location_list.push_back(glm::vec3(x, y, z));
				this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);
			}
		}
	}
}

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

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

	for (int base_x = -650; base_x <= 650; base_x += 650) {

		for (int base_y = -650; base_y <= 650; base_y += 650) {

			auto threshold = ofMap(ofNoise(base_x, base_y, ofGetFrameNum() * 0.01), 0, 1, -0.5, 1);

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

				auto noise_value = ofNoise(glm::vec4((glm::vec3(base_x, base_y, 0) + glm::vec3(this->location_list[i])) * 0.002, ofGetFrameNum() * 0.01));
				if (noise_value < threshold) { size = 0; }
				else if (noise_value > threshold + 0.05) { size = 40; }
				else { size = ofMap(noise_value, threshold, threshold + 0.05, 0, 40); }

				this->setBoxToMesh(this->face, this->frame, glm::vec3(base_x, base_y, 0) + this->location_list[i], size, this->color_list[i]);
			}
		}
	}
}

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

	this->cam.begin();
	ofRotateY(330);

	this->face.draw();

	ofSetColor(39);
	this->frame.drawWireframe();

	for (int base_x = -650; base_x <= 650; base_x += 650) {

		for (int base_y = -650; base_y <= 650; base_y += 650) {

			ofNoFill();
			ofSetColor(39);
			ofDrawBox(glm::vec3(base_x, base_y, 0), 440 + 40);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor face_color) {

	this->setBoxToMesh(face_target, frame_target, location, size, size, size, face_color);
}

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

	int face_index = face_target.getNumVertices();
	int frame_index = frame_target.getNumVertices();

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

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

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

	face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 4);
	face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_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(frame_index + 0); frame_target.addIndex(frame_index + 1);
	frame_target.addIndex(frame_index + 1); frame_target.addIndex(frame_index + 2);
	frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
	frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 0);

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

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

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

		face_target.addColor(face_color);
	}
}

//--------------------------------------------------------------
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(239);

ofSetLineWidth(2);

ofEnableDepthTest();

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

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

vector<ofColor> base_color_list;

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

int span = 40;

for (int x = -220; x <= 220; x += span) {

for (int y = -220; y <= 220; y += span) {

for (int z = -220; z <= 220; z += 440) {

this->location_list.push_back(glm::vec3(x, y, z));

this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);

}

for (int x = -220; x <= 220; x += 440) {

for (int y = -220; y <= 220; y += span) {

for (int z = -220 + span; z <= 220 - span; z += span) {

this->location_list.push_back(glm::vec3(x, y, z));

this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);

}

for (int x = -220 + span; x <= 220 - span; x += span) {

for (int y = -220; y <= 220; y += 440) {

for (int z = -220 + span; z <= 220 - span; z += span) {

this->location_list.push_back(glm::vec3(x, y, z));

this->color_list.push_back(base_color_list[(int)ofRandom(base_color_list.size())]);

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

for (int base_x = -650; base_x <= 650; base_x += 650) {

for (int base_y = -650; base_y <= 650; base_y += 650) {

auto threshold = ofMap(ofNoise(base_x, base_y, ofGetFrameNum() * 0.01), 0, 1, -0.5, 1);

float size;

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

auto noise_value = ofNoise(glm::vec4((glm::vec3(base_x, base_y, 0) + glm::vec3(this->location_list[i])) * 0.002, ofGetFrameNum() * 0.01));

if (noise_value < threshold) { size = 0; }

else if (noise_value > threshold + 0.05) { size = 40; }

else { size = ofMap(noise_value, threshold, threshold + 0.05, 0, 40); }

this->setBoxToMesh(this->face, this->frame, glm::vec3(base_x, base_y, 0) + this->location_list[i], size, this->color_list[i]);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(330);

this->face.draw();

ofSetColor(39);

this->frame.drawWireframe();

for (int base_x = -650; base_x <= 650; base_x += 650) {

for (int base_y = -650; base_y <= 650; base_y += 650) {

ofNoFill();

ofSetColor(39);

ofDrawBox(glm::vec3(base_x, base_y, 0), 440 + 40);

}

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor face_color) {

this->setBoxToMesh(face_target, frame_target, location, size, size, size, face_color);

}

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

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

int face_index = face_target.getNumVertices();

int frame_index = frame_target.getNumVertices();

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(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 + 1);

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

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

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

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

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

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

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_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(frame_index + 0); frame_target.addIndex(frame_index + 1);

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

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

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

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

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

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

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

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

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

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

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

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

face_target.addColor(face_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210412

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2021年4月11日

FIRE. Draw by openFrameworks

[ Video ]

[ About ]
FIRE.

[ 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;

	ofTrueTypeFont font;
	string word;
	vector<glm::vec3> font_location_list;

	vector<ofColor> base_color_list;

	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofTrueTypeFont font;

string word;

vector<glm::vec3> font_location_list;

vector<ofColor> base_color_list;

vector<vector<glm::vec3>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

	ofBackground(39);
	ofNoFill();

	ofColor color;
	vector<int> hex_list = { 0x1f005c, 0x5b0060, 0x870160, 0xac255e, 0xca485c, 0xe16b5c, 0xf39060, 0xffb56b };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true);
	this->word = "FIRE";
	int sample_count = 200;
	vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);
	for (int word_index = 0; word_index < word_path.size(); word_index++) {

		vector<ofPolyline> outline = word_path[word_index].getOutline();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);
			vector<glm::vec3> vertices = outline[outline_index].getVertices();
			for (int i = 0; i < vertices.size(); i++) {

				this->font_location_list.push_back(vertices[i] + glm::vec3(0, 0, 0));
			}
		}
	}
}

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

	int radius = 3;
	while (this->log_list.size() < 1300) {

		int font_location_index = ofRandom(this->font_location_list.size());
		vector<glm::vec3> log;
		log.push_back(this->font_location_list[font_location_index]);
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(ofRandom(30, 50));
	}

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

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.008, ofGetFrameNum() * 0.003)), 0, 1, 180, 360);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));
		while (this->log_list[i].size() > 100) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

	this->cam.begin();
	ofRotateX(180);
	ofTranslate(this->font.stringWidth("FIRE") * -0.5, this->font.stringHeight("FIRE") * 0.5);

	ofSetColor(239);
	this->font.drawStringAsShapes(this->word, 0, 0);

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 30) {

			ofSetLineWidth(1.5);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));
		}

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	this->cam.end();
}

//--------------------------------------------------------------
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(39);

ofNoFill();

ofColor color;

vector<int> hex_list = { 0x1f005c, 0x5b0060, 0x870160, 0xac255e, 0xca485c, 0xe16b5c, 0xf39060, 0xffb56b };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

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

this->word = "FIRE";

int sample_count = 200;

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

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

outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

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

this->font_location_list.push_back(vertices[i] + glm::vec3(0, 0, 0));

}

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

void ofApp::update() {

int radius = 3;

while (this->log_list.size() < 1300) {

int font_location_index = ofRandom(this->font_location_list.size());

vector<glm::vec3> log;

log.push_back(this->font_location_list[font_location_index]);

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(ofRandom(30, 50));

}

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

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

continue;

}

auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.008, ofGetFrameNum() * 0.003)), 0, 1, 180, 360);

this->log_list[i].push_back(this->log_list[i].back() + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)));

while (this->log_list[i].size() > 100) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofTranslate(this->font.stringWidth("FIRE") * -0.5, this->font.stringHeight("FIRE") * 0.5);

ofSetColor(239);

this->font.drawStringAsShapes(this->word, 0, 0);

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 30) {

ofSetLineWidth(1.5);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1.5));

}

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210411

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Amazon

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2021年4月
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