openFrameworks – ページ 313 – プログラミング de 落描き

2022年8月6日

Thorns from the sphere. Draw by openFrameworks

[ Video ]

[ About ]
球体から棘が生える。

[ 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) {};

	ofEasyCam cam;
	ofMesh sphere_mesh, draw_sphere_mesh;

	float noise_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) {};

ofEasyCam cam;

ofMesh sphere_mesh, draw_sphere_mesh;

float noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(255);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(150, 4);
	this->sphere_mesh = ico_sphere.getMesh();

	this->noise_param = ofRandom(1000);
}

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

	this->noise_param += 0.005;

	this->draw_sphere_mesh = this->sphere_mesh;

	for (auto& vertex : this->draw_sphere_mesh.getVertices()) {

		auto noise_value = ofNoise(glm::vec4(vertex * 0.025, noise_param));
		auto noise_param = (noise_value < 0.7 ? 1 : ofMap(noise_value, 0.7, 1, 1, 8));
		noise_param = std::pow(1.5, noise_param);
		auto noise_radius = 150 * noise_param;

		vertex = glm::normalize(vertex) * noise_radius;
	}
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * 0.5);
	ofRotateX(ofGetFrameNum() * 0.5);

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

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

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(150, 4);

this->sphere_mesh = ico_sphere.getMesh();

this->noise_param = ofRandom(1000);

}

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

void ofApp::update() {

this->noise_param += 0.005;

this->draw_sphere_mesh = this->sphere_mesh;

for (auto& vertex : this->draw_sphere_mesh.getVertices()) {

auto noise_value = ofNoise(glm::vec4(vertex * 0.025, noise_param));

auto noise_param = (noise_value < 0.7 ? 1 : ofMap(noise_value, 0.7, 1, 1, 8));

noise_param = std::pow(1.5, noise_param);

auto noise_radius = 150 * noise_param;

vertex = glm::normalize(vertex) * noise_radius;

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum() * 0.5);

ofSetColor(0);

this->draw_sphere_mesh.draw();

ofSetColor(255);

this->draw_sphere_mesh.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220806

2022年8月5日

Twins. Draw by openFrameworks

[ Video ]

[ About ]
対面。

[ 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) {};

	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) {};

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

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


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

			int hue = ofRandom(255);
			ofColor color;

			auto rotate_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
			for (float z = 30; z < 100; z += 5) {

				ofPushMatrix();
				ofTranslate(x, y);

				ofRotateZ(ofMap(ofNoise(rotate_seed.z, z * 0.0025 + ofGetFrameNum() * 0.0035), 0, 1, -540, 540));
				ofRotateY(ofMap(ofNoise(rotate_seed.y, z * 0.0025 + ofGetFrameNum() * 0.0035), 0, 1, -540, 540));
				ofRotateX(ofMap(ofNoise(rotate_seed.x, z * 0.0025 + ofGetFrameNum() * 0.0035), 0, 1, -540, 540));

				ofFill();
				color.setHsb(hue, 255, 255);
				ofSetColor(color, ofMap(z, 100, 30, 200, 55));
				ofDrawRectangle(0, 0, z, 35, 35);

				color.setHsb((hue + 128) % 255, 255, 155);
				ofSetColor(color, ofMap(z, 100, 30, 200, 55));
				ofDrawRectangle(0, 0, -z, 35, 35);

				ofNoFill();
				color.setHsb(hue, 255, 255);
				ofSetColor(color);
				ofDrawRectangle(0, 0, z, 35, 35);

				color.setHsb((hue + 128) % 255, 255, 255);
				ofSetColor(color);
				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);

}

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

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) {

int hue = ofRandom(255);

ofColor color;

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

for (float z = 30; z < 100; z += 5) {

ofPushMatrix();

ofTranslate(x, y);

ofRotateZ(ofMap(ofNoise(rotate_seed.z, z * 0.0025 + ofGetFrameNum() * 0.0035), 0, 1, -540, 540));

ofRotateY(ofMap(ofNoise(rotate_seed.y, z * 0.0025 + ofGetFrameNum() * 0.0035), 0, 1, -540, 540));

ofRotateX(ofMap(ofNoise(rotate_seed.x, z * 0.0025 + ofGetFrameNum() * 0.0035), 0, 1, -540, 540));

ofFill();

color.setHsb(hue, 255, 255);

ofSetColor(color, ofMap(z, 100, 30, 200, 55));

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

color.setHsb((hue + 128) % 255, 255, 155);

ofSetColor(color, ofMap(z, 100, 30, 200, 55));

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

ofNoFill();

color.setHsb(hue, 255, 255);

ofSetColor(color);

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

color.setHsb((hue + 128) % 255, 255, 255);

ofSetColor(color);

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/Insta20220805

2022年8月4日

Draw circle on center. Draw by openFrameworks

[ Video ]

[ About ]
中間点に円を描く。

Draw circle on center.

[ 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(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(255);
	ofSetColor(0);
	ofSetLineWidth(2);
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	vector<glm::vec2> location_list;
	for (int i = 0; i < 80; i++) {

		auto location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0015), 0, 1, -500, 500), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0015), 0, 1, -500, 500));
		location_list.push_back(location);
	}

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

		ofFill();
		ofDrawCircle(location_list[i], 8);
		for (int k = i + 1; k < location_list.size(); k++) {

			auto distance = glm::distance(location_list[i], location_list[k]);
			if (distance < 100) {

				auto center = location_list[i] + ((location_list[k] - location_list[i]) / 2);
				auto i_center = location_list[i] + ((location_list[k] - location_list[i]) / 2) * (distance - 12) / distance;
				auto k_center = location_list[k] + ((location_list[i] - location_list[k]) / 2) * (distance - 12) / distance;;

				ofDrawLine(location_list[i], i_center);

				auto rad_start = std::atan2(location_list[i].y - location_list[k].y, location_list[i].x - location_list[k].x) - PI * 0.5;

				ofNoFill();
				ofBeginShape();
				for (auto rad = rad_start; rad < rad_start + PI; rad += PI / 180) {

					ofVertex(center + glm::vec2(6 * cos(rad), 6 * sin(rad)));
				}
				ofEndShape();

				ofDrawLine(location_list[k], k_center);

				rad_start = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x) - PI * 0.5;

				ofNoFill();
				ofBeginShape();
				for (auto rad = rad_start; rad < rad_start + PI; rad += PI / 180) {

					ofVertex(center + glm::vec2(6 * cos(rad), 6 * sin(rad)));
				}
				ofEndShape();
			}
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(255);

ofSetColor(0);

ofSetLineWidth(2);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

vector<glm::vec2> location_list;

for (int i = 0; i < 80; i++) {

auto location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0015), 0, 1, -500, 500), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0015), 0, 1, -500, 500));

location_list.push_back(location);

}

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

ofFill();

ofDrawCircle(location_list[i], 8);

for (int k = i + 1; k < location_list.size(); k++) {

auto distance = glm::distance(location_list[i], location_list[k]);

if (distance < 100) {

auto center = location_list[i] + ((location_list[k] - location_list[i]) / 2);

auto i_center = location_list[i] + ((location_list[k] - location_list[i]) / 2) * (distance - 12) / distance;

auto k_center = location_list[k] + ((location_list[i] - location_list[k]) / 2) * (distance - 12) / distance;;

ofDrawLine(location_list[i], i_center);

auto rad_start = std::atan2(location_list[i].y - location_list[k].y, location_list[i].x - location_list[k].x) - PI * 0.5;

ofNoFill();

ofBeginShape();

for (auto rad = rad_start; rad < rad_start + PI; rad += PI / 180) {

ofVertex(center + glm::vec2(6 * cos(rad), 6 * sin(rad)));

}

ofEndShape();

ofDrawLine(location_list[k], k_center);

rad_start = std::atan2(location_list[k].y - location_list[i].y, location_list[k].x - location_list[i].x) - PI * 0.5;

ofNoFill();

ofBeginShape();

for (auto rad = rad_start; rad < rad_start + PI; rad += PI / 180) {

ofVertex(center + glm::vec2(6 * cos(rad), 6 * sin(rad)));

}

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220804

月	火	水	木	金	土	日
					1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28