openframeworks – ページ 146 – プログラミング de 落描き

2022年6月22日

Waving square. Draw by openFrameworks

[ Video ]

[ About ]
四角の波。

Waving 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) {};

	void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height);

	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 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) {};

void setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height);

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofEnableDepthTest();

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}
//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);

	this->face.clear();
	this->frame.clear();

	for (auto radius = 60; radius <= 190; radius += 5) {

		auto noise_value = ofNoise(radius * 0.01 + ofGetFrameNum() * 0.01);
		auto z = ofMap(noise_value, 0, 1, -180, 180);

		this->setRingToMesh(this->face, this->frame, glm::vec3(0, 0, z), radius, 2, 15);
	}
}

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

	this->cam.begin();
	ofRotateX(90);
	ofRotateZ(45);
	ofRotateX(45);

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

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

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height) {

	int deg_span = 90;
	for (int deg = 45; deg < 400; deg += deg_span) {

		auto face_index = face_target.getNumVertices();

		vector<glm::vec3> vertices;
		vertices.push_back(location + glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(location + glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(location + glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(location + glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

		vertices.push_back(location + glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(location + glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(location + glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(location + glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

		face_target.addVertices(vertices);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);
		face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);
		face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

		auto frame_index = frame_target.getNumVertices();

		frame_target.addVertices(vertices);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);
		frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);
		frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

		frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 3);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

for (auto radius = 60; radius <= 190; radius += 5) {

auto noise_value = ofNoise(radius * 0.01 + ofGetFrameNum() * 0.01);

auto z = ofMap(noise_value, 0, 1, -180, 180);

this->setRingToMesh(this->face, this->frame, glm::vec3(0, 0, z), radius, 2, 15);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(90);

ofRotateZ(45);

ofRotateX(45);

ofSetColor(0);

this->face.draw();

ofSetColor(255);

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius, float width, float height) {

int deg_span = 90;

for (int deg = 45; deg < 400; deg += deg_span) {

auto face_index = face_target.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(location + glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

vertices.push_back(location + glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));

vertices.push_back(location + glm::vec3((radius + width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius + width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));

vertices.push_back(location + glm::vec3((radius + width * 0.5) * cos(deg * DEG_TO_RAD), (radius + width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

vertices.push_back(location + glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * -0.5));

vertices.push_back(location + glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * -0.5));

vertices.push_back(location + glm::vec3((radius - width * 0.5) * cos((deg + deg_span) * DEG_TO_RAD), (radius - width * 0.5) * sin((deg + deg_span) * DEG_TO_RAD), height * 0.5));

vertices.push_back(location + glm::vec3((radius - width * 0.5) * cos(deg * DEG_TO_RAD), (radius - width * 0.5) * sin(deg * DEG_TO_RAD), height * 0.5));

face_target.addVertices(vertices);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 3);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 7);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 5);

face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 7); face_target.addIndex(face_index + 6);

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 6); face_target.addIndex(face_index + 2);

auto frame_index = frame_target.getNumVertices();

frame_target.addVertices(vertices);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 1);

frame_target.addIndex(frame_index + 2); frame_target.addIndex(frame_index + 3);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 5);

frame_target.addIndex(frame_index + 6); frame_target.addIndex(frame_index + 7);

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220622

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2022年6月21日

Rectangles. Draw by openFrameworks

[ Video ]

[ About ]
球体状の四角形。

Rectangles on sphere.

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

	ofBackground(0);
	ofEnableDepthTest();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
	ofNoFill();
}


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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	for (int x = -220; x <= 220; x += 220) {

		for (int y = -220; y <= 220; y += 220) {

			auto rotate_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
			for (float z = 30; z < 100; z += 7.5) {

				ofPushMatrix();
				ofTranslate(x, y);

				ofRotateZ(ofMap(ofNoise(rotate_seed.z, z * 0.0035 + ofGetFrameNum() * 0.003), 0, 1, -360, 360));
				ofRotateY(ofMap(ofNoise(rotate_seed.y, z * 0.0035 + ofGetFrameNum() * 0.003), 0, 1, -360, 360));
				ofRotateX(ofMap(ofNoise(rotate_seed.x, z * 0.0035 + ofGetFrameNum() * 0.003), 0, 1, -360, 360));

				ofSetColor(ofMap(z, 100, 30, 255, 55));

				ofDrawRectangle(0, 0, z, 35, 35);

				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);

ofEnableDepthTest();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

ofNoFill();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

for (int x = -220; x <= 220; x += 220) {

for (int y = -220; y <= 220; y += 220) {

auto rotate_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (float z = 30; z < 100; z += 7.5) {

ofPushMatrix();

ofTranslate(x, y);

ofRotateZ(ofMap(ofNoise(rotate_seed.z, z * 0.0035 + ofGetFrameNum() * 0.003), 0, 1, -360, 360));

ofRotateY(ofMap(ofNoise(rotate_seed.y, z * 0.0035 + ofGetFrameNum() * 0.003), 0, 1, -360, 360));

ofRotateX(ofMap(ofNoise(rotate_seed.x, z * 0.0035 + ofGetFrameNum() * 0.003), 0, 1, -360, 360));

ofSetColor(ofMap(z, 100, 30, 255, 55));

ofDrawRectangle(0, 0, z, 35, 35);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220621

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2022年6月20日

cut the cake. Draw by openFrameworks

[ Video ]

[ About ]
ケーキを切り分ける。

cut the cake.

[ 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<ofColor> color_palette;
};

#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<ofColor> color_palette;

};

#include "ofApp.h"	

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

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

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();

	// 配色デザイン ビビッドレッド P038
	this->color_palette.push_back(ofColor(197, 0, 24));
	this->color_palette.push_back(ofColor(184, 12, 65));
	this->color_palette.push_back(ofColor(206, 97, 110));
	this->color_palette.push_back(ofColor(204, 85, 68));
	this->color_palette.push_back(ofColor(190, 145, 176));
	this->color_palette.push_back(ofColor(215, 130, 63));
	this->color_palette.push_back(ofColor(255, 241, 51));
	this->color_palette.push_back(ofColor(107, 182, 187));
}


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

	ofSeedRandom(39);
}

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

	auto span = 240;
	auto deg_span = 20;

	for (auto radius = 60; radius <= 120; radius += 25) {

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

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

				auto noise_param = ofRandom(1000);

				ofPushMatrix();
				ofTranslate(x, y);

				for (auto deg = 0; deg < 360; deg += deg_span) {

					auto noise_radius = ofMap(ofNoise(noise_param, cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD) , radius * 0.02 + ofGetFrameNum() * 0.02), 0, 1, radius * 0.25, radius);
					vector<glm::vec2> vertices;
					vector<glm::vec2> noise_vertices;
					int deg_param = ofMap(noise_radius, radius * 0.25, radius, 3, 0);
					for (auto tmp_deg = deg + deg_param; tmp_deg <= deg + deg_span - deg_param; tmp_deg++) {

						vertices.push_back(glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD)));
						if (tmp_deg > deg - 1 && tmp_deg < deg + deg_span + 1) {

							noise_vertices.push_back(glm::vec2(noise_radius * cos(tmp_deg * DEG_TO_RAD), noise_radius * sin(tmp_deg * DEG_TO_RAD)));
						}
					}

					vertices.push_back(glm::vec2());
					noise_vertices.push_back(glm::vec2());

					int color_index_1 = ofRandom(this->color_palette.size());
					int color_index_2 = color_index_1;
					do  {

						color_index_2 = ofRandom(this->color_palette.size());
					} while ((color_index_1 == color_index_2));

					/*
					ofSetColor(this->color_palette[color_index_1]);
					ofFill();
					ofBeginShape();
					ofVertices(noise_vertices);
					ofEndShape(true);
					*/

					ofSetColor(this->color_palette[color_index_2]);
					ofNoFill();
					ofBeginShape();
					ofVertices(noise_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(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

// 配色デザインビビッドレッド P038

this->color_palette.push_back(ofColor(197, 0, 24));

this->color_palette.push_back(ofColor(184, 12, 65));

this->color_palette.push_back(ofColor(206, 97, 110));

this->color_palette.push_back(ofColor(204, 85, 68));

this->color_palette.push_back(ofColor(190, 145, 176));

this->color_palette.push_back(ofColor(215, 130, 63));

this->color_palette.push_back(ofColor(255, 241, 51));

this->color_palette.push_back(ofColor(107, 182, 187));

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto span = 240;

auto deg_span = 20;

for (auto radius = 60; radius <= 120; radius += 25) {

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

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

auto noise_param = ofRandom(1000);

ofPushMatrix();

ofTranslate(x, y);

for (auto deg = 0; deg < 360; deg += deg_span) {

auto noise_radius = ofMap(ofNoise(noise_param, cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD) , radius * 0.02 + ofGetFrameNum() * 0.02), 0, 1, radius * 0.25, radius);

vector<glm::vec2> vertices;

vector<glm::vec2> noise_vertices;

int deg_param = ofMap(noise_radius, radius * 0.25, radius, 3, 0);

for (auto tmp_deg = deg + deg_param; tmp_deg <= deg + deg_span - deg_param; tmp_deg++) {

vertices.push_back(glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD)));

if (tmp_deg > deg - 1 && tmp_deg < deg + deg_span + 1) {

noise_vertices.push_back(glm::vec2(noise_radius * cos(tmp_deg * DEG_TO_RAD), noise_radius * sin(tmp_deg * DEG_TO_RAD)));

}

vertices.push_back(glm::vec2());

noise_vertices.push_back(glm::vec2());

int color_index_1 = ofRandom(this->color_palette.size());

int color_index_2 = color_index_1;

do {

color_index_2 = ofRandom(this->color_palette.size());

} while ((color_index_1 == color_index_2));

ofSetColor(this->color_palette[color_index_1]);

ofFill();

ofBeginShape();

ofVertices(noise_vertices);

ofEndShape(true);

ofSetColor(this->color_palette[color_index_2]);

ofNoFill();

ofBeginShape();

ofVertices(noise_vertices);

ofEndShape(true);

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220620

[ほしいものリスト]
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