プログラミング de 落描き – ページ 654 – クリエイティブ・コーディングによる生成物とソース

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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2019年7月13日2019年7月13日

Transforming rectangles. openFrameworks

[ Video ]

[ About ]
変形が伝播する四角形

Transforming rectangles.

[ 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);
	
	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) {};

glm::vec2 make_point(int len, int param);

ofEasyCam cam;

};

#include "ofApp.h"

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

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

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

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

	ofSeedRandom(39);
}

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

	this->cam.begin();

	auto size = 144;
	float noise_seed_1 = ofRandom(1000);
	float noise_seed_2 = ofRandom(1000);
	for (int z = size * -0.5; z <= size * 0.5; z += 4) {

		int start_param = ofMap(ofNoise(noise_seed_1, (ofGetFrameNum() + z) * 0.005), 0, 1, 0, 100);
		int end_param = start_param + ofMap(ofNoise(noise_seed_2, (ofGetFrameNum() + z) * 0.005), 0, 1, 25, 75);

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

			vertices.push_back(glm::vec3(this->make_point(size * 0.95, param), z));
		}

		ofFill();
		ofSetColor(239);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);
	}

	this->cam.end();
}

//--------------------------------------------------------------
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);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

auto size = 144;

float noise_seed_1 = ofRandom(1000);

float noise_seed_2 = ofRandom(1000);

for (int z = size * -0.5; z <= size * 0.5; z += 4) {

int start_param = ofMap(ofNoise(noise_seed_1, (ofGetFrameNum() + z) * 0.005), 0, 1, 0, 100);

int end_param = start_param + ofMap(ofNoise(noise_seed_2, (ofGetFrameNum() + z) * 0.005), 0, 1, 25, 75);

vector<glm::vec3> vertices;

for (int param = start_param; param < end_param; param++) {

vertices.push_back(glm::vec3(this->make_point(size * 0.95, param), z));

}

ofFill();

ofSetColor(239);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

}

this->cam.end();

}

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

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/Insta20190713

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Amazon

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2019年7月12日2019年7月12日

Circle or Noise. openFrameworks

[ Video ]

[ About ]
円だったりノイズだったり

Circle or Noise.

[ 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) {};
};

#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) {};

};

#include "ofApp.h"	

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

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

	ofBackground(239);
	ofSetColor(39);
}

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

	ofSeedRandom(39);
}

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

	auto radius = 10;
	auto span = 60;
	auto margin = 60;
	for (int x = margin; x <= ofGetWidth() - margin; x += span) {

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

			auto location = glm::vec2(x, y);
			auto location_noise_value = ofNoise(location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.008);
		
			vector<glm::vec2> vertices;
			if (location_noise_value > 0.55) {

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

					auto noise_location = location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
					auto noise_radius = ofMap(ofNoise(noise_location.x * 0.45, noise_location.y * 0.45, ofGetFrameNum() * 0.005), 0, 1, radius, radius * 3);
					auto tmp_radius = radius + noise_radius * ofMap(location_noise_value, 0.55, 1, 0, 1);

					vertices.push_back(glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));
				}
			}
			else {

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

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

			ofPushMatrix();
			ofTranslate(location);

			ofBeginShape();
			ofVertices(vertices);
			ofEndShape();

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto radius = 10;

auto span = 60;

auto margin = 60;

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

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

auto location = glm::vec2(x, y);

auto location_noise_value = ofNoise(location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.008);

vector<glm::vec2> vertices;

if (location_noise_value > 0.55) {

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

auto noise_location = location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto noise_radius = ofMap(ofNoise(noise_location.x * 0.45, noise_location.y * 0.45, ofGetFrameNum() * 0.005), 0, 1, radius, radius * 3);

auto tmp_radius = radius + noise_radius * ofMap(location_noise_value, 0.55, 1, 0, 1);

vertices.push_back(glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)));

}

else {

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

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

}

ofPushMatrix();

ofTranslate(location);

ofBeginShape();

ofVertices(vertices);

ofEndShape();

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190712

[ほしいものリスト]
Amazon

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