rect – ページ 20 – プログラミング de 落描き

2019年5月26日

Bend rectangle. openFrameworks

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[ About ]
パタパタする四角形

Bend 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) {};

	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);
	ofSetLineWidth(3);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto len = 100.f;
	auto base = glm::vec3();
	vector<glm::vec3> rectangle;
	rectangle.push_back(glm::vec3(0, -len * 0.5, 0));
	rectangle.push_back(glm::vec3(len, -len * 0.5, 0));
	rectangle.push_back(glm::vec3(len, len * 0.5, 0));
	rectangle.push_back(glm::vec3(0, len * 0.5, 0));

	for (auto y = -len * 3; y <= len * 3; y += len) {

		base = glm::vec3(0, y, 0);
		for (int i = 0; i < 6; i++) {

			float noise_seed_y = ofRandom(1000);
			vector<glm::vec3> locations;
			for (auto rect : rectangle) {

				auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, ofGetFrameNum() * 0.005), 0, 1, -PI * 0.25, PI * 0.25), glm::vec3(0, 1, 0));
				locations.push_back(base + glm::vec4(rect, 0) * rotation_y);
			}

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

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(locations);
			ofEndShape(true);

			base = glm::vec3(locations[1].x, base.y, locations[1].z);
		}
	}

	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);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto len = 100.f;

auto base = glm::vec3();

vector<glm::vec3> rectangle;

rectangle.push_back(glm::vec3(0, -len * 0.5, 0));

rectangle.push_back(glm::vec3(len, -len * 0.5, 0));

rectangle.push_back(glm::vec3(len, len * 0.5, 0));

rectangle.push_back(glm::vec3(0, len * 0.5, 0));

for (auto y = -len * 3; y <= len * 3; y += len) {

base = glm::vec3(0, y, 0);

for (int i = 0; i < 6; i++) {

float noise_seed_y = ofRandom(1000);

vector<glm::vec3> locations;

for (auto rect : rectangle) {

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, ofGetFrameNum() * 0.005), 0, 1, -PI * 0.25, PI * 0.25), glm::vec3(0, 1, 0));

locations.push_back(base + glm::vec4(rect, 0) * rotation_y);

}

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(locations);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(locations);

ofEndShape(true);

base = glm::vec3(locations[1].x, base.y, locations[1].z);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190526

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2019年5月25日

Rotate square. openFrameworks

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[ About ]
四角形の帯を回転

Rotate square.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"

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

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

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

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

	ofSeedRandom(39);
}

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

	auto rect_width = 30;
	auto rect_length = 180;
	for (int x = rect_length * 0.5; x < ofGetWidth(); x += rect_length) {

		for (int y = rect_length * 0.5; y < ofGetHeight(); y += rect_length) {

			auto noise_seed_y = ofRandom(1000);
			auto noise_seed_x = ofRandom(1000);
			for (int len = rect_width; len < rect_length; len += rect_width) {

				ofPushMatrix();
				ofTranslate(x, y);
				ofRotateY(ofMap(ofNoise(noise_seed_y, len * 0.003 + ofGetFrameNum() * 0.003), 0, 1, -180, 180));
				ofRotateX(ofMap(ofNoise(noise_seed_x, len * 0.003 + ofGetFrameNum() * 0.003), 0, 1, -180, 180));

				vector<glm::vec2> vertices, inner_vertices;

				auto tmp_len = len - 5;
				vertices.push_back(glm::vec2(-tmp_len * 0.5, -tmp_len * 0.5));
				vertices.push_back(glm::vec2(tmp_len * 0.5, -tmp_len * 0.5));
				vertices.push_back(glm::vec2(tmp_len * 0.5, tmp_len * 0.5));
				vertices.push_back(glm::vec2(-tmp_len * 0.5, tmp_len * 0.5));

				auto inner_len = len - rect_width;
				inner_vertices.push_back(glm::vec2(-inner_len * 0.5, -inner_len * 0.5));
				inner_vertices.push_back(glm::vec2(inner_len * 0.5, -inner_len * 0.5));
				inner_vertices.push_back(glm::vec2(inner_len * 0.5, inner_len * 0.5));
				inner_vertices.push_back(glm::vec2(-inner_len * 0.5, inner_len * 0.5));

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

				ofNoFill();
				ofSetColor(39);
				ofBeginShape();
				ofVertices(vertices);
				ofNextContour(true);
				ofVertices(inner_vertices);
				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);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto rect_width = 30;

auto rect_length = 180;

for (int x = rect_length * 0.5; x < ofGetWidth(); x += rect_length) {

for (int y = rect_length * 0.5; y < ofGetHeight(); y += rect_length) {

auto noise_seed_y = ofRandom(1000);

auto noise_seed_x = ofRandom(1000);

for (int len = rect_width; len < rect_length; len += rect_width) {

ofPushMatrix();

ofTranslate(x, y);

ofRotateY(ofMap(ofNoise(noise_seed_y, len * 0.003 + ofGetFrameNum() * 0.003), 0, 1, -180, 180));

ofRotateX(ofMap(ofNoise(noise_seed_x, len * 0.003 + ofGetFrameNum() * 0.003), 0, 1, -180, 180));

vector<glm::vec2> vertices, inner_vertices;

auto tmp_len = len - 5;

vertices.push_back(glm::vec2(-tmp_len * 0.5, -tmp_len * 0.5));

vertices.push_back(glm::vec2(tmp_len * 0.5, -tmp_len * 0.5));

vertices.push_back(glm::vec2(tmp_len * 0.5, tmp_len * 0.5));

vertices.push_back(glm::vec2(-tmp_len * 0.5, tmp_len * 0.5));

auto inner_len = len - rect_width;

inner_vertices.push_back(glm::vec2(-inner_len * 0.5, -inner_len * 0.5));

inner_vertices.push_back(glm::vec2(inner_len * 0.5, -inner_len * 0.5));

inner_vertices.push_back(glm::vec2(inner_len * 0.5, inner_len * 0.5));

inner_vertices.push_back(glm::vec2(-inner_len * 0.5, inner_len * 0.5));

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofNextContour(true);

ofVertices(inner_vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofNextContour(true);

ofVertices(inner_vertices);

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190525

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2019年5月17日

Overlap colors. openFrameworks

[ Video ]

[ About ]
色の重なり合わせ

Overlap colors.

[ 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);
};

#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);

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetBackgroundAuto(false);

	ofSetLineWidth(1.5);
}

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

	ofSeedRandom(39);
}

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

	ofColor color;
	auto size = 144;
	for (auto x = size * 0.5; x < ofGetWidth(); x += size) {

		for (auto y = size * 0.5; y < ofGetHeight(); y += size) {

			float noise_seed_1 = ofRandom(1000);
			float noise_seed_2 = ofRandom(1000);

			int start_param = ofMap(ofNoise(noise_seed_1, ofGetFrameNum() * 0.005), 0, 1, 0, 100);
			int end_param = start_param + ofMap(ofNoise(noise_seed_2, ofGetFrameNum() * 0.005), 0, 1, 25, 50);

			color.setHsb(((int)ofRandom(1000) + ofGetFrameNum() * 3) % 255, 180, 255);
			ofSetColor(color);

			vector<glm::vec2> vertices;
			for (int param = start_param; param < end_param; param++) {

				vertices.push_back(this->make_point(size * 0.95, param) + glm::vec2(x, y));
			}

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

			ofNoFill();
			ofSetColor(39);
			ofBeginShape();
			ofVertices(vertices);
			ofEndShape(true);
		}
	}
}

//--------------------------------------------------------------
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);

ofSetBackgroundAuto(false);

ofSetLineWidth(1.5);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofColor color;

auto size = 144;

for (auto x = size * 0.5; x < ofGetWidth(); x += size) {

for (auto y = size * 0.5; y < ofGetHeight(); y += size) {

float noise_seed_1 = ofRandom(1000);

float noise_seed_2 = ofRandom(1000);

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

int end_param = start_param + ofMap(ofNoise(noise_seed_2, ofGetFrameNum() * 0.005), 0, 1, 25, 50);

color.setHsb(((int)ofRandom(1000) + ofGetFrameNum() * 3) % 255, 180, 255);

ofSetColor(color);

vector<glm::vec2> vertices;

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

vertices.push_back(this->make_point(size * 0.95, param) + glm::vec2(x, y));

}

ofFill();

ofSetColor(color);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

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

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/Insta20190517

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