openframeworks – ページ 477 – プログラミング de 落描き

2019年9月11日2019年9月11日

Crumpled square. openFrameworks

[ Video ]

[ About ]
くしゃくしゃな正方形

Crumpled 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 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);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofNoFill();
	ofEnableDepthTest();
}

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

}

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

	int span = 120;
	for (int x = span * 0.5; x <= ofGetWidth() - span * 0.5; x += span) {

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

			auto base_location = glm::vec3(x, y, 0);
			for (int len = 20; len < 120; len += 20) {

				vector<glm::vec3> vertices;
				for (int param = 0; param < 100; param++) {

					glm::vec3 location = glm::vec3(this->make_point(len, param), 0);
					auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise((base_location.x + location.x) * 0.003, ofGetFrameNum() * 0.003), 0, 1, -PI, PI), glm::vec3(1, 0, 0));
					auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise((base_location.y + location.y) * 0.003, ofGetFrameNum() * 0.003), 0, 1, -PI, PI), glm::vec3(0, 1, 0));
					auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise((base_location.z + location.z) * 0.003, ofGetFrameNum() * 0.003), 0, 1, -PI, PI), glm::vec3(0, 0, 1));
					glm::vec3 tmp_location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

					vertices.push_back(base_location + tmp_location);
				}

				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);

ofSetColor(39);

ofSetLineWidth(2);

ofNoFill();

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int span = 120;

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

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

auto base_location = glm::vec3(x, y, 0);

for (int len = 20; len < 120; len += 20) {

vector<glm::vec3> vertices;

for (int param = 0; param < 100; param++) {

glm::vec3 location = glm::vec3(this->make_point(len, param), 0);

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise((base_location.x + location.x) * 0.003, ofGetFrameNum() * 0.003), 0, 1, -PI, PI), glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise((base_location.y + location.y) * 0.003, ofGetFrameNum() * 0.003), 0, 1, -PI, PI), glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise((base_location.z + location.z) * 0.003, ofGetFrameNum() * 0.003), 0, 1, -PI, PI), glm::vec3(0, 0, 1));

glm::vec3 tmp_location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

vertices.push_back(base_location + tmp_location);

}

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/Insta20190911

2019年9月10日2019年9月10日

Sphere movement and rotation log. openFrameworks

[ Video ]

[ About ]
球体の移動と回転ログ。

Sphere movement and rotation log.

[ 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;
	vector<glm::vec3> location_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

vector<glm::vec3> location_list;

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(150, 1);
	for (auto triangle : ico_sphere.getMesh().getUniqueFaces()) {

		auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		this->location_list.push_back(avg);
	}
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto base_noise_seed = glm::vec3(ofRandom(10000), ofRandom(10000), ofRandom(10000));
	auto location_noise_seed = glm::vec3(ofRandom(10000), ofRandom(10000), ofRandom(10000));
	auto log = 15;
	auto noise_step = 0.005;
	for (auto& location : this->location_list) {

		glm::vec3 prev_location;
		for (int i = 0; i < log; i++) {

			auto base_location = glm::vec3(ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + i) * noise_step), 0, 1, -150, 150),
				ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + i) * noise_step), 0, 1, -150, 150),
				ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + i) * noise_step), 0, 1, -150, 150));

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(location_noise_seed.x, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI, PI), glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(location_noise_seed.y, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI, PI), glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(location_noise_seed.z, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI, PI), glm::vec3(0, 0, 1));
			glm::vec3 tmp_location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;
			tmp_location += base_location;

			if (i != 0) {

				ofSetColor(ofMap(i, 0, log, 239, 39));
				ofDrawLine(tmp_location, prev_location);
			}
			prev_location = tmp_location;
		}

		ofFill();
		ofSetColor(39);
		ofDrawSphere(prev_location, 3);
	}

	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);

ofSetColor(39);

ofSetLineWidth(2);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(150, 1);

for (auto triangle : ico_sphere.getMesh().getUniqueFaces()) {

auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

this->location_list.push_back(avg);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto base_noise_seed = glm::vec3(ofRandom(10000), ofRandom(10000), ofRandom(10000));

auto location_noise_seed = glm::vec3(ofRandom(10000), ofRandom(10000), ofRandom(10000));

auto log = 15;

auto noise_step = 0.005;

for (auto& location : this->location_list) {

glm::vec3 prev_location;

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

auto base_location = glm::vec3(ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + i) * noise_step), 0, 1, -150, 150),

ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + i) * noise_step), 0, 1, -150, 150),

ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + i) * noise_step), 0, 1, -150, 150));

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(location_noise_seed.x, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI, PI), glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(location_noise_seed.y, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI, PI), glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(location_noise_seed.z, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI, PI), glm::vec3(0, 0, 1));

glm::vec3 tmp_location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x;

tmp_location += base_location;

if (i != 0) {

ofSetColor(ofMap(i, 0, log, 239, 39));

ofDrawLine(tmp_location, prev_location);

}

prev_location = tmp_location;

}

ofFill();

ofSetColor(39);

ofDrawSphere(prev_location, 3);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190910

2019年9月9日2019年9月9日

3 color torus. openFrameworks

[ Video ]

[ About ]
3色トーラス。

3 color torus.

[ 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;

	glm::vec3 make_point(float R, float r, float u, float v);
};

#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;

glm::vec3 make_point(float R, float r, float u, float v);

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

}

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

	this->cam.begin();

	int v_start_start = ofGetFrameNum();
	for (int v_start = v_start_start; v_start < v_start_start + 360; v_start += 20) {

		vector<glm::vec3> vertices_1, vertices_2, vertices_3;
		for (int v = v_start; v < v_start + 15; v++) {

			int u = v * 6;

			vertices_1.push_back(this->make_point(300, 80, u, v));
			vertices_2.push_back(this->make_point(300, 80, u + 120, v));
			vertices_3.push_back(this->make_point(300, 80, u + 240, v));
		}

		ofNoFill();

		ofSetColor(255, 0, 0);
		ofBeginShape();
		ofVertices(vertices_1);
		ofEndShape();

		ofSetColor(0, 255, 0);
		ofBeginShape();
		ofVertices(vertices_2);
		ofEndShape();

		ofSetColor(0, 0, 255);
		ofBeginShape();
		ofVertices(vertices_3);
		ofEndShape();

		ofFill();

		ofSetColor(255, 0, 0);
		ofDrawSphere(vertices_1.back(), 8);
		ofSetColor(0, 255, 0);
		ofDrawSphere(vertices_2.back(), 8);
		ofSetColor(0, 0, 255);
		ofDrawSphere(vertices_3.back(), 8);
	}

	this->cam.end();
}

//--------------------------------------------------------------
glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

	// 数学デッサン教室 描いて楽しむ数学たち　P.31

	u *= DEG_TO_RAD;
	v *= DEG_TO_RAD;

	auto x = (R + r * cos(u)) * cos(v);
	auto y = (R + r * cos(u)) * sin(v);
	auto z = r * sin(u);

	return glm::vec3(x, y, z);
}


//--------------------------------------------------------------
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(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

int v_start_start = ofGetFrameNum();

for (int v_start = v_start_start; v_start < v_start_start + 360; v_start += 20) {

vector<glm::vec3> vertices_1, vertices_2, vertices_3;

for (int v = v_start; v < v_start + 15; v++) {

int u = v * 6;

vertices_1.push_back(this->make_point(300, 80, u, v));

vertices_2.push_back(this->make_point(300, 80, u + 120, v));

vertices_3.push_back(this->make_point(300, 80, u + 240, v));

}

ofNoFill();

ofSetColor(255, 0, 0);

ofBeginShape();

ofVertices(vertices_1);

ofEndShape();

ofSetColor(0, 255, 0);

ofBeginShape();

ofVertices(vertices_2);

ofEndShape();

ofSetColor(0, 0, 255);

ofBeginShape();

ofVertices(vertices_3);

ofEndShape();

ofFill();

ofSetColor(255, 0, 0);

ofDrawSphere(vertices_1.back(), 8);

ofSetColor(0, 255, 0);

ofDrawSphere(vertices_2.back(), 8);

ofSetColor(0, 0, 255);

ofDrawSphere(vertices_3.back(), 8);

}

this->cam.end();

}

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

glm::vec3 ofApp::make_point(float R, float r, float u, float v) {

// 数学デッサン教室描いて楽しむ数学たち　P.31

u *= DEG_TO_RAD;

v *= DEG_TO_RAD;

auto x = (R + r * cos(u)) * cos(v);

auto y = (R + r * cos(u)) * sin(v);

auto z = r * sin(u);

return glm::vec3(x, y, z);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190909

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