circle – ページ 33 – プログラミング de 落描き

2022年6月25日

Gush forth ring. Draw by openFrameworks

[ Video ]

[ About ]
湧き出るリング。

Gush forth ring.

[ 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, glm::vec3 rotation, float radius, float height, ofColor face_color, ofColor frame_color);

	ofEasyCam cam;
	ofMesh face, frame;

	vector<float> radius_list;
	vector<glm::vec3> rotation_list;
};

#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, glm::vec3 rotation, float radius, float height, ofColor face_color, ofColor frame_color);

ofEasyCam cam;

ofMesh face, frame;

vector<float> radius_list;

vector<glm::vec3> rotation_list;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofEnableDepthTest();

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

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

	/*
	ofSeedRandom(39);
	glm::vec3 noise_param = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));
	*/

	if (ofGetFrameNum() % 4 == 0) {

		this->radius_list.push_back(0);
		this->rotation_list.push_back(glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360)));

		/*
		this->rotation_list.push_back(glm::vec3(

			ofMap(ofNoise(noise_param.x, ofGetFrameNum() * 0.008), 0, 1, -360, 360),
			ofMap(ofNoise(noise_param.y, ofGetFrameNum() * 0.008), 0, 1, -360, 360),
			ofMap(ofNoise(noise_param.z, ofGetFrameNum() * 0.008), 0, 1, -360, 360)));
		*/
	}

	for (int i = this->radius_list.size() - 1; i > -1; i--) {

		this->radius_list[i] += 2.5;

		if (this->radius_list[i] > 250) {

			this->radius_list.erase(this->radius_list.begin() + i);
			this->rotation_list.erase(this->rotation_list.begin() + i);
		}
	}

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

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

		auto alpha = this->radius_list[i] < 50 ? 255 : ofMap(this->radius_list[i], 50, 250, 255, 0);
		this->setRingToMesh(this->face, this->frame, glm::vec3(), this->rotation_list[i], this->radius_list[i], this->radius_list[i] * 0.1, ofColor(0, alpha), ofColor(255, alpha));
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.33333333333);

	this->face.draw();
	this->frame.drawWireframe();

	this->cam.end();
}

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

	int index = face_target.getNumVertices();

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

		vector<glm::vec3> vertices;
		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3(radius * cos((deg + 10) * DEG_TO_RAD), radius * sin((deg + 10) * DEG_TO_RAD), height * -0.5));
		vertices.push_back(glm::vec3(radius * cos((deg + 10) * DEG_TO_RAD), radius * sin((deg + 10) * DEG_TO_RAD), height * 0.5));
		vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), height * 0.5));

		for (auto& vertex : vertices) {

			auto rotation_x = glm::rotate(glm::mat4(), rotation.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), rotation.y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), rotation.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

			vertex = glm::vec4(vertex, 0) * rotation_y * rotation_x + glm::vec4(location, 0);
		}

		auto face_index = face_target.getNumVertices();
		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);

		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);

		for (int i = 0; i < vertices.size(); i++) {

			face_target.addColor(face_color);
			frame_target.addColor(frame_color);
		}
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

glm::vec3 noise_param = glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360));

if (ofGetFrameNum() % 4 == 0) {

this->radius_list.push_back(0);

this->rotation_list.push_back(glm::vec3(ofRandom(360), ofRandom(360), ofRandom(360)));

this->rotation_list.push_back(glm::vec3(

ofMap(ofNoise(noise_param.x, ofGetFrameNum() * 0.008), 0, 1, -360, 360),

ofMap(ofNoise(noise_param.y, ofGetFrameNum() * 0.008), 0, 1, -360, 360),

ofMap(ofNoise(noise_param.z, ofGetFrameNum() * 0.008), 0, 1, -360, 360)));

}

for (int i = this->radius_list.size() - 1; i > -1; i--) {

this->radius_list[i] += 2.5;

if (this->radius_list[i] > 250) {

this->radius_list.erase(this->radius_list.begin() + i);

this->rotation_list.erase(this->rotation_list.begin() + i);

}

this->face.clear();

this->frame.clear();

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

auto alpha = this->radius_list[i] < 50 ? 255 : ofMap(this->radius_list[i], 50, 250, 255, 0);

this->setRingToMesh(this->face, this->frame, glm::vec3(), this->rotation_list[i], this->radius_list[i], this->radius_list[i] * 0.1, ofColor(0, alpha), ofColor(255, alpha));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.33333333333);

this->face.draw();

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setRingToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, glm::vec3 rotation, float radius, float height, ofColor face_color, ofColor frame_color) {

int index = face_target.getNumVertices();

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

vector<glm::vec3> vertices;

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

vertices.push_back(glm::vec3(radius * cos((deg + 10) * DEG_TO_RAD), radius * sin((deg + 10) * DEG_TO_RAD), height * -0.5));

vertices.push_back(glm::vec3(radius * cos((deg + 10) * DEG_TO_RAD), radius * sin((deg + 10) * DEG_TO_RAD), height * 0.5));

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

for (auto& vertex : vertices) {

auto rotation_x = glm::rotate(glm::mat4(), rotation.x * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), rotation.y * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), rotation.z * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

vertex = glm::vec4(vertex, 0) * rotation_y * rotation_x + glm::vec4(location, 0);

}

auto face_index = face_target.getNumVertices();

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);

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);

for (int i = 0; i < vertices.size(); i++) {

face_target.addColor(face_color);

frame_target.addColor(frame_color);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220625

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2022年6月24日

Target circles. Draw by openFrameworks

[ Video ]

[ About ]
ターゲットサークル。

Target circles.

[ 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(0);
	ofNoFill();
	ofSetLineWidth(2);
	ofSetCircleResolution(60);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto frame_param = ofGetFrameNum() % 180;
	auto noise_param = frame_param < 60 ? ofMap(frame_param, 0, 60, 0, 1) : frame_param < 90 ? 1 : frame_param < 150 ? ofMap(frame_param, 90, 150, 1, 0) : 0;

	for (int i = 0; i < 4; i++) {

		auto x = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -360, 360) * noise_param;
		auto y = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -360, 360) * noise_param;
		
		ofDrawCircle(x, y, 65);

		auto deg = ofMap(i, 0, 4, 0, 180);
		ofDrawLine(glm::vec2(x + 50 * cos(deg * DEG_TO_RAD), y + 50 * sin(deg * DEG_TO_RAD)), glm::vec2(x + 80 * cos(deg * DEG_TO_RAD), y + 80 * sin(deg * DEG_TO_RAD)));
		ofDrawLine(glm::vec2(x + 50 * cos((deg + 180) * DEG_TO_RAD), y + 50 * sin((deg + 180) * DEG_TO_RAD)), glm::vec2(x + 80 * cos((deg + 180) * DEG_TO_RAD), y + 80 * sin((deg + 180) * DEG_TO_RAD)));
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofNoFill();

ofSetLineWidth(2);

ofSetCircleResolution(60);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto frame_param = ofGetFrameNum() % 180;

auto noise_param = frame_param < 60 ? ofMap(frame_param, 0, 60, 0, 1) : frame_param < 90 ? 1 : frame_param < 150 ? ofMap(frame_param, 90, 150, 1, 0) : 0;

for (int i = 0; i < 4; i++) {

auto x = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -360, 360) * noise_param;

auto y = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, -360, 360) * noise_param;

ofDrawCircle(x, y, 65);

auto deg = ofMap(i, 0, 4, 0, 180);

ofDrawLine(glm::vec2(x + 50 * cos(deg * DEG_TO_RAD), y + 50 * sin(deg * DEG_TO_RAD)), glm::vec2(x + 80 * cos(deg * DEG_TO_RAD), y + 80 * sin(deg * DEG_TO_RAD)));

ofDrawLine(glm::vec2(x + 50 * cos((deg + 180) * DEG_TO_RAD), y + 50 * sin((deg + 180) * DEG_TO_RAD)), glm::vec2(x + 80 * cos((deg + 180) * DEG_TO_RAD), y + 80 * sin((deg + 180) * DEG_TO_RAD)));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220624

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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

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