openFrameworks – ページ 312 – プログラミング de 落描き

2022年8月9日

Cracked spherical surface. Draw by openFrameworks

[ Video ]

[ About ]
割れる球面。

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofEnableDepthTest();
	ofSetLineWidth(1.5);

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

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

	ofSeedRandom(39);

	this->face.clear();
	this->frame.clear();
	
	float phi_deg_step = 3;
	float theta_deg_step = 1;

	for (int radius = 50; radius <= 350; radius += 25) {

		for (float phi_deg = 200; phi_deg < 340; phi_deg += phi_deg_step) {

			float param = ofNoise(radius * 0.005 - ofGetFrameNum() * 0.008);
			if (param > 0.45) {

				param = ofMap(param, 0.45, 1, 0, 1);
			}
			else {

				param = 0;
			}
			float theta_deg_start = 90 + ofMap(ofNoise(ofRandom(39), radius * 0.005 - ofGetFrameNum() * 0.008), 0, 1, -360, 360) * param;
			int frame_start_index = this->face.getNumVertices();

			for (float theta_deg = theta_deg_start - 15; theta_deg < theta_deg_start + 15; theta_deg += theta_deg_step) {

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

				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));
				vertices.push_back(glm::vec3(
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),
					radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

				this->face.addVertices(vertices);
				this->frame.addVertices(vertices);

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

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

			this->frame.addIndex(frame_start_index + 0); this->frame.addIndex(frame_start_index + 1);
			this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);
		}
	}
}

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

	this->cam.begin();
	ofRotateX(270);

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

	ofSetColor(255);
	this->frame.draw();

	this->cam.end();
}

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

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

100

101

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofEnableDepthTest();

ofSetLineWidth(1.5);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float phi_deg_step = 3;

float theta_deg_step = 1;

for (int radius = 50; radius <= 350; radius += 25) {

for (float phi_deg = 200; phi_deg < 340; phi_deg += phi_deg_step) {

float param = ofNoise(radius * 0.005 - ofGetFrameNum() * 0.008);

if (param > 0.45) {

param = ofMap(param, 0.45, 1, 0, 1);

}

else {

param = 0;

}

float theta_deg_start = 90 + ofMap(ofNoise(ofRandom(39), radius * 0.005 - ofGetFrameNum() * 0.008), 0, 1, -360, 360) * param;

int frame_start_index = this->face.getNumVertices();

for (float theta_deg = theta_deg_start - 15; theta_deg < theta_deg_start + 15; theta_deg += theta_deg_step) {

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

vector<glm::vec3> vertices;

vertices.push_back(glm::vec3(

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

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

radius * sin((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg - theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

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

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg + phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

vertices.push_back(glm::vec3(

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * cos((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * sin((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD) * sin((phi_deg - phi_deg_step * 0.5) * DEG_TO_RAD),

radius * cos((theta_deg + theta_deg_step * 0.5) * DEG_TO_RAD)));

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

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

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

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

this->frame.addIndex(index + 1); this->frame.addIndex(index + 3);

}

this->frame.addIndex(frame_start_index + 0); this->frame.addIndex(frame_start_index + 1);

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

ofSetColor(0);

this->face.draw();

ofSetColor(255);

this->frame.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220809

2022年8月8日

Spring character. Draw by openFrameworks

[ Video ]

[ About ]
湧き文字。

[ 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;

	ofEasyCam cam;

	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;

ofEasyCam cam;

ofTrueTypeFont font;

string word;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 30, true, true, true);
	this->word = "01234567890123456789";
}

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

	ofSeedRandom(39);
}

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

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

	int size = 30;
	
	for(int z = -330; z <= 330; z += size) {

		for (int x = -330; x <= 330; x += size) {

			for (int y = -330; y <= 330; y += size) {

				auto radius = ofMap(ofNoise(x * 0.008, y * 0.008, z * 0.001 + ofGetFrameNum() * 0.05), 0, 1, 50, 430);
				auto param = abs(radius - glm::length(glm::vec2(x, y)));
				int word_index = ofMap(ofNoise(x * 0.008, y * 0.008, z * 0.001 + ofGetFrameNum() * 0.05), 0, 1, 0, this->word.size());

				if (param < 50) {

					ofPushMatrix();
					ofTranslate(x - size * 0.5, y + size * 0.5, z);

					auto rad = atan2(y, x);
					ofRotate(rad * RAD_TO_DEG + 90);

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

					ofFill();
					ofSetColor(0);

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

						ofNextContour(true);

						auto vertices = outline[outline_index].getVertices();
						ofVertices(vertices);
					}
					ofEndShape(true);

					ofNoFill();
					ofSetColor(255);

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

						ofNextContour(true);

						auto vertices = outline[outline_index].getVertices();
						ofVertices(vertices);
					}
					ofEndShape(true);

					ofPopMatrix();
				}
			}
		}
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(2);

ofEnableDepthTest();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 30, true, true, true);

this->word = "01234567890123456789";

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

int size = 30;

for(int z = -330; z <= 330; z += size) {

for (int x = -330; x <= 330; x += size) {

for (int y = -330; y <= 330; y += size) {

auto radius = ofMap(ofNoise(x * 0.008, y * 0.008, z * 0.001 + ofGetFrameNum() * 0.05), 0, 1, 50, 430);

auto param = abs(radius - glm::length(glm::vec2(x, y)));

int word_index = ofMap(ofNoise(x * 0.008, y * 0.008, z * 0.001 + ofGetFrameNum() * 0.05), 0, 1, 0, this->word.size());

if (param < 50) {

ofPushMatrix();

ofTranslate(x - size * 0.5, y + size * 0.5, z);

auto rad = atan2(y, x);

ofRotate(rad * RAD_TO_DEG + 90);

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

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

ofFill();

ofSetColor(0);

ofBeginShape();

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

ofNextContour(true);

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

ofVertices(vertices);

}

ofEndShape(true);

ofNoFill();

ofSetColor(255);

ofBeginShape();

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

ofNextContour(true);

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

ofVertices(vertices);

}

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220808

2022年8月7日

Speckled character. Draw by openFrameworks

[ Video ]

[ About ]
文字で模様。

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

	ofBackground(255);
	ofSetColor(0);
	ofNoFill();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15, true, true, true);
	this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	int size = 15;
	for (int x = -330; x <= 330; x += size) {

		for (int y = -330; y <= 330; y += size) {

			auto radius = ofMap(ofNoise(x * 0.008, y * 0.008, ofGetFrameNum() * 0.035), 0, 1, 50, 430);
			auto param = abs(radius - glm::length(glm::vec2(x, y)));
			int word_index = ofRandom(this->word.size());

			if (param < 50) {

				ofPushMatrix();
				ofTranslate(x - size * 0.5, y + size * 0.5);

				auto rad = atan2(y, x);
				ofRotate(rad * RAD_TO_DEG + 90);

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

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

					ofNextContour(true);

					auto vertices = outline[outline_index].getVertices();
					ofVertices(vertices);
				}
				ofEndShape(true);

				ofPopMatrix();
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(255);

ofSetColor(0);

ofNoFill();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 15, true, true, true);

this->word = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

int size = 15;

for (int x = -330; x <= 330; x += size) {

for (int y = -330; y <= 330; y += size) {

auto radius = ofMap(ofNoise(x * 0.008, y * 0.008, ofGetFrameNum() * 0.035), 0, 1, 50, 430);

auto param = abs(radius - glm::length(glm::vec2(x, y)));

int word_index = ofRandom(this->word.size());

if (param < 50) {

ofPushMatrix();

ofTranslate(x - size * 0.5, y + size * 0.5);

auto rad = atan2(y, x);

ofRotate(rad * RAD_TO_DEG + 90);

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

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

ofBeginShape();

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

ofNextContour(true);

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

ofVertices(vertices);

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220807

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