sphere – ページ 55 – プログラミング de 落描き

2019年8月12日

Diverging sphere. openFrameworks

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[ About ]
発散球体。

Diverging 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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};
	
	ofEasyCam cam;
	vector<glm::vec3> locations;
};

#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> locations;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetColor(39);
	ofSetLineWidth(3);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(150, 2);
	auto triangles = ico_sphere.getMesh().getUniqueFaces();
	for (auto& triangle : triangles) {

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

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

	ofSeedRandom(39);
}

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

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

	vector<glm::vec3> tmp_locations;
	for (auto& location : this->locations) {

		auto radius = (((int)ofMap(ofNoise(location.x * 0.008, location.y * 0.008, location.z * 0.008, ofGetFrameNum() * 0.005), 0, 1, 0, 150) + ofGetFrameNum()) % 300) + 50;
		if (radius < 200) {

			radius = 200;
		}

		auto tmp_location = glm::normalize(location) * radius;
		tmp_locations.push_back(tmp_location);
	}

	for (auto& location : tmp_locations) {

		ofDrawSphere(location, 5);
		for (auto& other : tmp_locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 45){

				ofDrawLine(location, other);
			}
		}
	}

	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(3);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(150, 2);

auto triangles = ico_sphere.getMesh().getUniqueFaces();

for (auto& triangle : triangles) {

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

this->locations.push_back(avg);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

vector<glm::vec3> tmp_locations;

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

auto radius = (((int)ofMap(ofNoise(location.x * 0.008, location.y * 0.008, location.z * 0.008, ofGetFrameNum() * 0.005), 0, 1, 0, 150) + ofGetFrameNum()) % 300) + 50;

if (radius < 200) {

radius = 200;

}

auto tmp_location = glm::normalize(location) * radius;

tmp_locations.push_back(tmp_location);

}

for (auto& location : tmp_locations) {

ofDrawSphere(location, 5);

for (auto& other : tmp_locations) {

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance < 45){

ofDrawLine(location, other);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190812

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2019年8月7日2019年8月7日

Unfinished sphere. openFrameworks

[ Video ]

[ About ]
未完成の球体。

Unfinished 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 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(60);
	ofSetWindowTitle("openFrameworks");

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

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

}

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

	this->cam.begin();
	ofRotateZ(ofGetFrameNum());

	auto deg_span = 15;
	auto theta_span = 5;
	for (int radius = 100; radius <= 300; radius += 75) {

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

			auto noise_source = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			int theta = ofMap(ofNoise(noise_source.x * 0.005, noise_source.y * 0.005, ofGetFrameNum() * 0.008), 0, 1, 0, 180);

			if (theta > 90) {

				for (int tmp_theta = 90; tmp_theta < theta; tmp_theta += theta_span) {

					vector<glm::vec3> vertices_1, vertices_2;
					for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

						vertices_1.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * cos(tmp_theta * DEG_TO_RAD)));
						vertices_2.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * cos((tmp_theta + theta_span) * DEG_TO_RAD)));
					}

					reverse(vertices_2.begin(), vertices_2.end());

					ofFill();
					ofSetColor(239);

					ofBeginShape();
					ofVertices(vertices_1);
					ofVertices(vertices_2);
					ofEndShape(true);

					ofNoFill();
					ofSetColor(39);

					ofBeginShape();
					ofVertices(vertices_1);
					ofVertices(vertices_2);
					ofEndShape(true);
				}
			}
			else {

				for (int tmp_theta = 90; tmp_theta > theta; tmp_theta -= theta_span) {

					vector<glm::vec3> vertices_1, vertices_2;
					for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

						vertices_1.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * cos(tmp_theta * DEG_TO_RAD)));
						vertices_2.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * cos((tmp_theta + theta_span) * DEG_TO_RAD)));
					}

					reverse(vertices_2.begin(), vertices_2.end());

					ofFill();
					ofSetColor(239);

					ofBeginShape();
					ofVertices(vertices_1);
				ofVertices(vertices_2);
					ofEndShape(true);

					ofNoFill();
					ofSetColor(39);

					ofBeginShape();
					ofVertices(vertices_1);
					ofVertices(vertices_2);
					ofEndShape(true);
				}
			}
		}
	}

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateZ(ofGetFrameNum());

auto deg_span = 15;

auto theta_span = 5;

for (int radius = 100; radius <= 300; radius += 75) {

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

auto noise_source = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

int theta = ofMap(ofNoise(noise_source.x * 0.005, noise_source.y * 0.005, ofGetFrameNum() * 0.008), 0, 1, 0, 180);

if (theta > 90) {

for (int tmp_theta = 90; tmp_theta < theta; tmp_theta += theta_span) {

vector<glm::vec3> vertices_1, vertices_2;

for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

vertices_1.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin(tmp_theta * DEG_TO_RAD), radius * cos(tmp_theta * DEG_TO_RAD)));

vertices_2.push_back(glm::vec3(radius * cos(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD) * sin((tmp_theta + theta_span) * DEG_TO_RAD), radius * cos((tmp_theta + theta_span) * DEG_TO_RAD)));

}

reverse(vertices_2.begin(), vertices_2.end());

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

}

else {

for (int tmp_theta = 90; tmp_theta > theta; tmp_theta -= theta_span) {

vector<glm::vec3> vertices_1, vertices_2;

for (int tmp_deg = deg; tmp_deg <= deg + deg_span; tmp_deg++) {

}

reverse(vertices_2.begin(), vertices_2.end());

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190807

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2019年7月14日

Collapsing sphere. openFrameworks

[ Video ]

[ About ]
崩壊する球体。

Collapsing 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) {};

	vector<ofMeshFace> triangles;
	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) {};

vector<ofMeshFace> triangles;

ofEasyCam cam;

};

#include "ofApp.h"	

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

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

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

	auto ico_sphere = ofIcoSpherePrimitive(150, 3);
	this->triangles = ico_sphere.getMesh().getUniqueFaces();
}

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

	ofSeedRandom(39);
}

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

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

	vector<glm::vec3> locations;
	vector<glm::vec3> moving_locations;
	for (auto& triangle : this->triangles) {

		auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto param = (int)(ofMap(ofNoise(avg.x * 0.004, avg.y * 0.004, avg.z * 0.004), 0, 1, 0, 650) + ofGetFrameNum()) % 650;
		auto y = 0;
		auto alpha = 255.f;
		if (param > 500) {

			y = ofMap(param, 500, 650, 0, 600);
			auto moving_location = avg + glm::vec3(0, y, 0);
			moving_locations.push_back(moving_location);
		} else {

			locations.push_back(avg);
		}
	}

	for (auto& location : locations) {

		ofDrawSphere(location, 2);
		for (auto& other : locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 15) {

				ofDrawLine(location, other);
			}
		}
	}

	for (auto& moving_location : moving_locations) {

		ofDrawSphere(moving_location, 2);
		for (auto& other : moving_locations) {

			if (moving_location == other) { continue; }
			float distance = glm::distance(moving_location, other);
			if (distance < 15) {

				ofDrawLine(moving_location, other);
			}
		}
	}

	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, 3);

this->triangles = ico_sphere.getMesh().getUniqueFaces();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

vector<glm::vec3> locations;

vector<glm::vec3> moving_locations;

for (auto& triangle : this->triangles) {

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

auto param = (int)(ofMap(ofNoise(avg.x * 0.004, avg.y * 0.004, avg.z * 0.004), 0, 1, 0, 650) + ofGetFrameNum()) % 650;

auto y = 0;

auto alpha = 255.f;

if (param > 500) {

y = ofMap(param, 500, 650, 0, 600);

auto moving_location = avg + glm::vec3(0, y, 0);

moving_locations.push_back(moving_location);

} else {

locations.push_back(avg);

}

for (auto& location : locations) {

ofDrawSphere(location, 2);

for (auto& other : locations) {

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance < 15) {

ofDrawLine(location, other);

}

for (auto& moving_location : moving_locations) {

ofDrawSphere(moving_location, 2);

for (auto& other : moving_locations) {

if (moving_location == other) { continue; }

float distance = glm::distance(moving_location, other);

if (distance < 15) {

ofDrawLine(moving_location, other);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190714

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