rect – ページ 17 – プログラミング de 落描き

2019年7月13日2019年7月13日

Transforming rectangles. openFrameworks

[ Video ]

[ About ]
変形が伝播する四角形

Transforming rectangles.

[ 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::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 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(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto size = 144;
	float noise_seed_1 = ofRandom(1000);
	float noise_seed_2 = ofRandom(1000);
	for (int z = size * -0.5; z <= size * 0.5; z += 4) {

		int start_param = ofMap(ofNoise(noise_seed_1, (ofGetFrameNum() + z) * 0.005), 0, 1, 0, 100);
		int end_param = start_param + ofMap(ofNoise(noise_seed_2, (ofGetFrameNum() + z) * 0.005), 0, 1, 25, 75);

		vector<glm::vec3> vertices;
		for (int param = start_param; param < end_param; param++) {

			vertices.push_back(glm::vec3(this->make_point(size * 0.95, param), z));
		}

		ofFill();
		ofSetColor(239);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(vertices);
		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(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto size = 144;

float noise_seed_1 = ofRandom(1000);

float noise_seed_2 = ofRandom(1000);

for (int z = size * -0.5; z <= size * 0.5; z += 4) {

int start_param = ofMap(ofNoise(noise_seed_1, (ofGetFrameNum() + z) * 0.005), 0, 1, 0, 100);

int end_param = start_param + ofMap(ofNoise(noise_seed_2, (ofGetFrameNum() + z) * 0.005), 0, 1, 25, 75);

vector<glm::vec3> vertices;

for (int param = start_param; param < end_param; param++) {

vertices.push_back(glm::vec3(this->make_point(size * 0.95, param), z));

}

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

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/Insta20190713

2019年6月21日2019年6月21日

Lattice. openFrameworks

[ Video ]

[ About ]
格子！格子！格子！

Lattice! Lattice! Lattice!

[ Source ]

#pragma once
#include "ofMain.h"
#include <random>
#include <algorithm>

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);

	vector<int> params;
	vector<ofColor> colors;
};

#pragma once

#include "ofMain.h"

#include <random>

#include <algorithm>

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);

vector<int> params;

vector<ofColor> colors;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofSetLineWidth(3);
}

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

}

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

	ofTranslate(glm::vec2(ofGetWidth() * 0.5, ofGetHeight() * 0.5));

	int len = 720;
	if (ofGetFrameNum() % 2 == 0) {

		ofColor color;
		color.setHsb((int)ofRandom(ofGetFrameNum(), ofGetFrameNum() + 50) % 255, 200, 255);

		this->params.push_back(ofRandom(0, 50));
		this->colors.push_back(color);
	}

	while (this->params.size() > 120) {

		this->params.erase(this->params.begin());
		this->colors.erase(this->colors.begin());
	}

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

		int p = this->params[i] * 2;
		if (p > 50) {

			ofPushMatrix();
			ofRotate(90);
		}

		vector<glm::vec2> vertices;
		vertices.push_back(this->make_point(len, p));
		vertices.push_back(this->make_point(len, p + 1));
		vertices.push_back(this->make_point(len, 100 - p - 1));
		vertices.push_back(this->make_point(len, 100 - p));

		ofFill();
		ofSetColor(this->colors[i], ofMap(i, 0, this->params.size(), 32, 255));
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39, ofMap(i, 0, this->params.size(), 32, 255));
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		if (p > 50) { ofPopMatrix(); }
	}

}

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

ofSetLineWidth(3);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(glm::vec2(ofGetWidth() * 0.5, ofGetHeight() * 0.5));

int len = 720;

if (ofGetFrameNum() % 2 == 0) {

ofColor color;

color.setHsb((int)ofRandom(ofGetFrameNum(), ofGetFrameNum() + 50) % 255, 200, 255);

this->params.push_back(ofRandom(0, 50));

this->colors.push_back(color);

}

while (this->params.size() > 120) {

this->params.erase(this->params.begin());

this->colors.erase(this->colors.begin());

}

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

int p = this->params[i] * 2;

if (p > 50) {

ofPushMatrix();

ofRotate(90);

}

vector<glm::vec2> vertices;

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

vertices.push_back(this->make_point(len, p + 1));

vertices.push_back(this->make_point(len, 100 - p - 1));

vertices.push_back(this->make_point(len, 100 - p));

ofFill();

ofSetColor(this->colors[i], ofMap(i, 0, this->params.size(), 32, 255));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39, ofMap(i, 0, this->params.size(), 32, 255));

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

if (p > 50) { ofPopMatrix(); }

}

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

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/Insta20190621

2019年6月19日

Twisting. openFrameworks

[ Video ]

[ About ]
ねじれ

Twisting.

[ 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) {};
};

#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) {};

};

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

	for (int x = -300; x <= 300; x += 20) {

		ofPushMatrix();
		ofTranslate(x, 0);
		ofRotateX(ofMap(ofNoise(x * 0.005 + ofGetFrameNum() * 0.008), 0, 1, -180, 180));

		ofFill();
		ofSetColor(239);
		ofBeginShape();
		ofVertex(glm::vec2(-8, -100));
		ofVertex(glm::vec2(8, -100));
		ofVertex(glm::vec2(8, 100));
		ofVertex(glm::vec2(-8, 100));
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertex(glm::vec2(-9, -100));
		ofVertex(glm::vec2(9, -100));
		ofVertex(glm::vec2(9, 100));
		ofVertex(glm::vec2(-9, 100));
		ofEndShape(true);

		ofPopMatrix();
	}
}

//--------------------------------------------------------------
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() {

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

for (int x = -300; x <= 300; x += 20) {

ofPushMatrix();

ofTranslate(x, 0);

ofRotateX(ofMap(ofNoise(x * 0.005 + ofGetFrameNum() * 0.008), 0, 1, -180, 180));

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertex(glm::vec2(-8, -100));

ofVertex(glm::vec2(8, -100));

ofVertex(glm::vec2(8, 100));

ofVertex(glm::vec2(-8, 100));

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertex(glm::vec2(-9, -100));

ofVertex(glm::vec2(9, -100));

ofVertex(glm::vec2(9, 100));

ofVertex(glm::vec2(-9, 100));

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190619

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