プログラミング de 落描き – ページ 763 – 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7月23日2019年7月23日

Noise wall. openFrameworks

[ Video ]

[ About ]
ノイズの壁。

Noise wall.

[ 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(int len, int param);

	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::vec2 make_point(int len, int param);

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

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

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	for (auto len = 150; len < ofGetWidth(); len += 100) {

		vector<glm::vec3> top, bottom;
		for (auto param = 0; param <= 100; param++) {

			auto noise_location = this->make_point(len, param);
			auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, ofGetFrameNum() * 0.005);
			auto height = 0;
			if (noise_value > 0.35) {

				height = ofMap(noise_value, 0.35, 1, 0, 300);
			}

			ofSetColor(239);
			ofFill();
			ofBeginShape();
			ofVertex(glm::vec3(this->make_point(len, param), 0));
			ofVertex(glm::vec3(this->make_point(len, param + 1), 0));
			ofVertex(glm::vec3(this->make_point(len, param + 1), height));
			ofVertex(glm::vec3(this->make_point(len, param), height));
			ofEndShape(true);

			ofSetColor(39);
			ofNoFill();
			ofBeginShape();
			ofVertex(glm::vec3(this->make_point(len + 1, param), 0));
			ofVertex(glm::vec3(this->make_point(len + 1, param + 1), 0));
			ofVertex(glm::vec3(this->make_point(len + 1, param + 1), height));
			ofVertex(glm::vec3(this->make_point(len + 1, param), height));
			ofEndShape(true);

			ofBeginShape();
			ofVertex(glm::vec3(this->make_point(len - 1, param), 0));
			ofVertex(glm::vec3(this->make_point(len - 1, param + 1), 0));
			ofVertex(glm::vec3(this->make_point(len - 1, param + 1), height));
			ofVertex(glm::vec3(this->make_point(len - 1, param), height));
			ofEndShape(true);

		}
	}
	
	this->cam.end();
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (auto len = 150; len < ofGetWidth(); len += 100) {

vector<glm::vec3> top, bottom;

for (auto param = 0; param <= 100; param++) {

auto noise_location = this->make_point(len, param);

auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, ofGetFrameNum() * 0.005);

auto height = 0;

if (noise_value > 0.35) {

height = ofMap(noise_value, 0.35, 1, 0, 300);

}

ofSetColor(239);

ofFill();

ofBeginShape();

ofVertex(glm::vec3(this->make_point(len, param), 0));

ofVertex(glm::vec3(this->make_point(len, param + 1), 0));

ofVertex(glm::vec3(this->make_point(len, param + 1), height));

ofVertex(glm::vec3(this->make_point(len, param), height));

ofEndShape(true);

ofSetColor(39);

ofNoFill();

ofBeginShape();

ofVertex(glm::vec3(this->make_point(len + 1, param), 0));

ofVertex(glm::vec3(this->make_point(len + 1, param + 1), 0));

ofVertex(glm::vec3(this->make_point(len + 1, param + 1), height));

ofVertex(glm::vec3(this->make_point(len + 1, param), height));

ofEndShape(true);

ofBeginShape();

ofVertex(glm::vec3(this->make_point(len - 1, param), 0));

ofVertex(glm::vec3(this->make_point(len - 1, param + 1), 0));

ofVertex(glm::vec3(this->make_point(len - 1, param + 1), height));

ofVertex(glm::vec3(this->make_point(len - 1, param), height));

ofEndShape(true);

}

this->cam.end();

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190723

2019年7月22日

Point on rectangle. openFrameworks

[ Video ]

[ About ]
正方形の上のポイント。

Point on rectangle.

[ 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(int len, int param);
};

#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(int len, int param);

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	for (auto len = 50; len < ofGetWidth(); len += 50) {

		vector<glm::vec2> vertices;
		int param_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0025), 0, 1, 0, 200);
		for (auto param = param_start + 5; param <= param_start + 95; param++) {

			vertices.push_back(this->make_point(len, param));
		}

		ofNoFill();
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape();

		ofFill();
		ofDrawCircle(this->make_point(len, param_start), 5);
	}

}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

//--------------------------------------------------------------
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(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

for (auto len = 50; len < ofGetWidth(); len += 50) {

vector<glm::vec2> vertices;

int param_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0025), 0, 1, 0, 200);

for (auto param = param_start + 5; param <= param_start + 95; param++) {

vertices.push_back(this->make_point(len, param));

}

ofNoFill();

ofBeginShape();

ofVertices(vertices);

ofEndShape();

ofFill();

ofDrawCircle(this->make_point(len, param_start), 5);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190722

2019年7月21日

Point on torus. openFrameworks

[ Video ]

[ About ]
トーラス上の座標をノイズでズラして結ぶ。

Point on 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 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 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);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	vector<glm::vec3> line;
	for (int v = 0; v < 360; v += 5) {

		auto noise_location = glm::vec2(cos(v * DEG_TO_RAD), sin(v * DEG_TO_RAD));

		vector<glm::vec3> vertices;
		int u_start = ofMap(ofNoise(noise_location.x * 0.5, noise_location.y * 0.5, ofGetFrameNum() * 0.005), 0, 1, -360, 360);

		ofFill();
		ofSetColor(39);

		line.push_back(this->make_point(250, 65, u_start * DEG_TO_RAD, v * DEG_TO_RAD));
		ofDrawSphere(line.back(), 5);

		for (int u = u_start + 30; u <= u_start + 330; u += 10) {

			vertices.push_back(this->make_point(250, 65, u * DEG_TO_RAD, v * DEG_TO_RAD));
		}

		ofNoFill();
		ofSetColor(139);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape();
	}

	ofSetColor(39);
	ofBeginShape();
	ofVertices(line);
	ofEndShape(true);

	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

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

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

vector<glm::vec3> line;

for (int v = 0; v < 360; v += 5) {

auto noise_location = glm::vec2(cos(v * DEG_TO_RAD), sin(v * DEG_TO_RAD));

vector<glm::vec3> vertices;

int u_start = ofMap(ofNoise(noise_location.x * 0.5, noise_location.y * 0.5, ofGetFrameNum() * 0.005), 0, 1, -360, 360);

ofFill();

ofSetColor(39);

line.push_back(this->make_point(250, 65, u_start * DEG_TO_RAD, v * DEG_TO_RAD));

ofDrawSphere(line.back(), 5);

for (int u = u_start + 30; u <= u_start + 330; u += 10) {

vertices.push_back(this->make_point(250, 65, u * DEG_TO_RAD, v * DEG_TO_RAD));

}

ofNoFill();

ofSetColor(139);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

}

ofSetColor(39);

ofBeginShape();

ofVertices(line);

ofEndShape(true);

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

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

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

float 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/Insta20190721

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