プログラミング de 落描き – ページ 663 – クリエイティブ・コーディングによる生成物とソース

2019年6月17日

Rotating boxes. openFrameworks

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[ About ]
回転するBoxes

Rotating boxes.

[ 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) {};

	ofEasyCam cam;
};

#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) {};

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	for (int y = -300; y <= 300; y += 30) {

		ofPushMatrix();
		ofTranslate(0, y, 0);
		ofRotateY(ofGetFrameNum() * ofRandom(0.5, 3) * (ofRandom(1) < 0.5 ? 1 : -1));

		float width = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 50, 400);
		float depth = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 50, 400);

		ofFill();
		ofSetColor(239);
		ofDrawBox(glm::vec3(), width, 20, depth);

		ofNoFill();
		ofSetColor(39);
		ofDrawBox(glm::vec3(), width, 20, depth);

		ofPopMatrix();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (int y = -300; y <= 300; y += 30) {

ofPushMatrix();

ofTranslate(0, y, 0);

ofRotateY(ofGetFrameNum() * ofRandom(0.5, 3) * (ofRandom(1) < 0.5 ? 1 : -1));

float width = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 50, 400);

float depth = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 50, 400);

ofFill();

ofSetColor(239);

ofDrawBox(glm::vec3(), width, 20, depth);

ofNoFill();

ofSetColor(39);

ofDrawBox(glm::vec3(), width, 20, depth);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190617

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2019年6月16日2019年6月16日

Nosy characters. openFrameworks

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[ About ]
ノイズ文字

Noisy characters.

[ 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) {};

	ofTrueTypeFont font;
	vector<glm::vec2> locations;
	vector<int> noise_count;
};

#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) {};

ofTrueTypeFont font;

vector<glm::vec2> locations;

vector<int> noise_count;

};

#include "ofApp.h"	

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

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

	ofBackground(139);

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

	for (int x = 0; x < ofGetWidth(); x += 30) {

		for (int y = 30; y <= ofGetHeight(); y += 30) {

			this->locations.push_back(glm::vec2(x, y));
			this->noise_count.push_back(0);
		}
	}
}

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

	ofSeedRandom(39);
}

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

	auto char_noise_seed = ofRandom(1000);
	auto count_noise_seed = ofRandom(1000);

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

		char noise_char = ofMap(ofNoise(char_noise_seed, this->locations[i].x * 0.005, this->locations[i].y * 0.005, this->noise_count[i] * 0.008), 0, 1, 'A', 'Z');
		auto count_noise = ofNoise(count_noise_seed, this->locations[i].x * 0.005, this->locations[i].y * 0.005, ofGetFrameNum() * 0.005);
		if (count_noise < 0.45) {

			this->noise_count[i] += 1;
			ofSetColor(239);
		}
		else {

			ofSetColor(39);
		}

		this->font.drawString({ noise_char }, this->locations[i].x, this->locations[i].y);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(139);

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 28, true, true, true);

for (int x = 0; x < ofGetWidth(); x += 30) {

for (int y = 30; y <= ofGetHeight(); y += 30) {

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

this->noise_count.push_back(0);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto char_noise_seed = ofRandom(1000);

auto count_noise_seed = ofRandom(1000);

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

char noise_char = ofMap(ofNoise(char_noise_seed, this->locations[i].x * 0.005, this->locations[i].y * 0.005, this->noise_count[i] * 0.008), 0, 1, 'A', 'Z');

auto count_noise = ofNoise(count_noise_seed, this->locations[i].x * 0.005, this->locations[i].y * 0.005, ofGetFrameNum() * 0.005);

if (count_noise < 0.45) {

this->noise_count[i] += 1;

ofSetColor(239);

}

else {

ofSetColor(39);

}

this->font.drawString({ noise_char }, this->locations[i].x, this->locations[i].y);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190616

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2019年6月15日2019年6月15日

Color torus. openFrameworks

[ Video ]

[ About ]
カラフルなトーラス。

Color torus.

[ 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::vec3 make_point(float R, float r, float u, float v);

	ofEasyCam cam;
};

#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::vec3 make_point(float R, float r, float u, float v);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	auto R = 300.f;
	auto r = 100.f;
	auto u = 0.f;
	auto u_step = 10.f;
	auto v_step = 5.f;
	
	ofColor color;
	int threshold = (ofGetFrameNum() * 2) % 360;
	auto threshold_len = 60;
	auto threshold_min = threshold - threshold_len < 0 ? 360 + threshold - threshold_len : threshold - threshold_len;
	auto threshold_max = threshold + threshold_len >= 360 ? (360 - threshold - threshold_len) * -1 : threshold + threshold_len;

	for (int i = 0; i < 9; i++) {

		color.setHsb(ofMap(i, 0, 9, 0, 255), 200, 255);

		ofRotate(20);
		vector<glm::vec3> vertices;
		for (auto v = 0; v < 360; v += v_step) {

			if (((threshold_min < threshold_max) && (threshold_min < v && v < threshold_max)) ||
				((threshold_min > threshold_max) && (threshold_min < v || v < threshold_max))) {

				vertices.clear();
				vertices.push_back(this->make_point(R, r, u, v));
				vertices.push_back(this->make_point(R, r, u + u_step, v + v_step));
				vertices.push_back(this->make_point(R, r, u, v + v_step));
				vertices.push_back(this->make_point(R, r, u - u_step, v));

				ofSetColor(color);
				ofBeginShape();
				ofVertices(vertices);
				ofEndShape(true);
			}

			ofSetColor(189);
			ofDrawLine(this->make_point(R, r, u + 0.5, v), this->make_point(R, r, u + u_step + 0.5, v + v_step));
			ofDrawLine(this->make_point(R, r, u - 0.5, v + v_step), this->make_point(R, r, u - u_step - 0.5, v));

			u += u_step;
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

auto R = 300.f;

auto r = 100.f;

auto u = 0.f;

auto u_step = 10.f;

auto v_step = 5.f;

ofColor color;

int threshold = (ofGetFrameNum() * 2) % 360;

auto threshold_len = 60;

auto threshold_min = threshold - threshold_len < 0 ? 360 + threshold - threshold_len : threshold - threshold_len;

auto threshold_max = threshold + threshold_len >= 360 ? (360 - threshold - threshold_len) * -1 : threshold + threshold_len;

for (int i = 0; i < 9; i++) {

color.setHsb(ofMap(i, 0, 9, 0, 255), 200, 255);

ofRotate(20);

vector<glm::vec3> vertices;

for (auto v = 0; v < 360; v += v_step) {

if (((threshold_min < threshold_max) && (threshold_min < v && v < threshold_max)) ||

((threshold_min > threshold_max) && (threshold_min < v || v < threshold_max))) {

vertices.clear();

vertices.push_back(this->make_point(R, r, u, v));

vertices.push_back(this->make_point(R, r, u + u_step, v + v_step));

vertices.push_back(this->make_point(R, r, u, v + v_step));

vertices.push_back(this->make_point(R, r, u - u_step, v));

ofSetColor(color);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

ofSetColor(189);

ofDrawLine(this->make_point(R, r, u + 0.5, v), this->make_point(R, r, u + u_step + 0.5, v + v_step));

ofDrawLine(this->make_point(R, r, u - 0.5, v + v_step), this->make_point(R, r, u - u_step - 0.5, v));

u += u_step;

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190615

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