プログラミング de 落描き – ページ 687 – 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9日2019年7月9日

Evaporationg sphere. openFrameworks

[ Video ]

[ About ]
蒸発する球体。

Evaporating 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);
	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);

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

		auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto param = (int)(ofRandom(750) + ofGetFrameNum()) % 750;
		auto tmp_radius = 0;
		auto rotate = 0;
		auto alpha = 255.f;
		if (param > 600) {

			tmp_radius = ofMap(param, 600, 750, 0, 600);
			rotate = ofMap(param, 600, 750, 0, 360);
			alpha = rotate = ofMap(param, 600, 750, 255, 0);
		}
		else if (param < 150) {

			alpha = ofMap(param, 0, 150, 0, 255);
		}

		auto tmp_avg = avg + glm::vec3(0, tmp_radius, 0);

		ofPushMatrix();
		ofTranslate(tmp_avg);
		ofRotateX(rotate);
		ofRotateY(rotate);

		vector<glm::vec3> vertices;
		for (int j = 0; j < 3; j++) {

			glm::vec3 location = glm::vec3(triangle.getVertex(j).x, triangle.getVertex(j).y, triangle.getVertex(j).z) - avg;

			vertices.push_back(location * 0.8);
		}
		
		ofFill();
		ofSetColor(39, alpha);
		ofBeginShape();
		ofVertices(vertices);
		ofEndShape(true);

		ofPopMatrix();
	}

	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);

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);

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

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

auto param = (int)(ofRandom(750) + ofGetFrameNum()) % 750;

auto tmp_radius = 0;

auto rotate = 0;

auto alpha = 255.f;

if (param > 600) {

tmp_radius = ofMap(param, 600, 750, 0, 600);

rotate = ofMap(param, 600, 750, 0, 360);

alpha = rotate = ofMap(param, 600, 750, 255, 0);

}

else if (param < 150) {

alpha = ofMap(param, 0, 150, 0, 255);

}

auto tmp_avg = avg + glm::vec3(0, tmp_radius, 0);

ofPushMatrix();

ofTranslate(tmp_avg);

ofRotateX(rotate);

ofRotateY(rotate);

vector<glm::vec3> vertices;

for (int j = 0; j < 3; j++) {

glm::vec3 location = glm::vec3(triangle.getVertex(j).x, triangle.getVertex(j).y, triangle.getVertex(j).z) - avg;

vertices.push_back(location * 0.8);

}

ofFill();

ofSetColor(39, alpha);

ofBeginShape();

ofVertices(vertices);

ofEndShape(true);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190709

2019年7月8日2019年7月8日

Particle on the cylinder. openFrameworks

[ Video ]

[ About ]
円柱上のパーティクル。

Particle on the cylinder.

[ 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);
	ofSetColor(39);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateX(315);
	
	auto radius = 300;
	auto deg_span = 5;
	vector<glm::vec3> locations;
	for (int deg = 0; deg < 360; deg += deg_span) {

		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), -radius));
		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), radius));
	}
	
	for (int i = 0; i < 500; i++) {

		int z = (int)(ofRandom(radius * 2) + ofGetFrameNum() * ofRandom(1, 3)) % radius * 2 - radius;
		int deg = (int)ofRandom(0, 360) / deg_span * deg_span;

		locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));
	}

	for (auto& location : locations) {

		ofSetColor(39, ofMap(location.y, -radius, radius, 255, 32));
		ofDrawSphere(location, 3);
		for (auto& other : locations) {

			if (location == other) { continue; }
			float distance = glm::distance(location, other);
			if (distance < 50) {

				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);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(315);

auto radius = 300;

auto deg_span = 5;

vector<glm::vec3> locations;

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

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

locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), radius));

}

for (int i = 0; i < 500; i++) {

int z = (int)(ofRandom(radius * 2) + ofGetFrameNum() * ofRandom(1, 3)) % radius * 2 - radius;

int deg = (int)ofRandom(0, 360) / deg_span * deg_span;

locations.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z));

}

for (auto& location : locations) {

ofSetColor(39, ofMap(location.y, -radius, radius, 255, 32));

ofDrawSphere(location, 3);

for (auto& other : locations) {

if (location == other) { continue; }

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

if (distance < 50) {

ofDrawLine(location, other);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190708

2019年7月7日

8. Draw by openFrameworks

[ Video ]

[ About ]
パラメータをミスったらなんか面白い感じに。

[ 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);
	ofSetLineWidth(2);
	ofNoFill();
}

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

	ofSeedRandom(39);
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);
	ofRotate(90);

	auto radius_min = 110;
	auto radius_max = 180;
	auto radius_span = 8;

	for (int radius = radius_min; radius < radius_max; radius += radius_span) {

		ofColor color;
		color.setHsb(ofRandom(255), 180, 255);

		auto start_deg = ofGetFrameNum() * ofRandom(3, 8) + ofRandom(720);
		auto len = ofRandom(80, 360);

		vector<glm::vec2> vertices_in, vertices_out;
		auto first = true;
		for (int deg = start_deg; deg < start_deg + len; deg += 1) {

			int position_deg = deg % 720;
			if (position_deg < 360) {

				vertices_in.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * -0.5, -30));
				vertices_out.push_back(glm::vec2((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * -0.5, 30));
			}
			else {

				int tmp_radius = ofMap(radius, radius_min, radius_max, radius_max, radius_min);
				vertices_in.push_back(glm::vec2(-1 * tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * 0.5, -30));
				vertices_out.push_back(glm::vec2(-1 * (tmp_radius - radius_span) * cos(deg * DEG_TO_RAD), (tmp_radius - radius_span) * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * 0.5, 30));
			}
		}

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

		ofFill();
		ofSetColor(color);
		ofBeginShape();
		ofVertices(vertices_in);
		ofVertices(vertices_out);
		ofEndShape(true);

		ofNoFill();
		ofSetColor(39);
		ofBeginShape();
		ofVertices(vertices_in);
		ofVertices(vertices_out);
		ofEndShape(true);
	}
}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofRotate(90);

auto radius_min = 110;

auto radius_max = 180;

auto radius_span = 8;

for (int radius = radius_min; radius < radius_max; radius += radius_span) {

ofColor color;

color.setHsb(ofRandom(255), 180, 255);

auto start_deg = ofGetFrameNum() * ofRandom(3, 8) + ofRandom(720);

auto len = ofRandom(80, 360);

vector<glm::vec2> vertices_in, vertices_out;

auto first = true;

for (int deg = start_deg; deg < start_deg + len; deg += 1) {

int position_deg = deg % 720;

if (position_deg < 360) {

vertices_in.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * -0.5, -30));

vertices_out.push_back(glm::vec2((radius + radius_span) * cos(deg * DEG_TO_RAD), (radius + radius_span) * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * -0.5, 30));

}

else {

int tmp_radius = ofMap(radius, radius_min, radius_max, radius_max, radius_min);

vertices_in.push_back(glm::vec2(-1 * tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * 0.5, -30));

vertices_out.push_back(glm::vec2(-1 * (tmp_radius - radius_span) * cos(deg * DEG_TO_RAD), (tmp_radius - radius_span) * sin(deg * DEG_TO_RAD)) + glm::vec2((radius_min + radius_max) * 0.5, 30));

}

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

ofFill();

ofSetColor(color);

ofBeginShape();

ofVertices(vertices_in);

ofVertices(vertices_out);

ofEndShape(true);

ofNoFill();

ofSetColor(39);

ofBeginShape();

ofVertices(vertices_in);

ofVertices(vertices_out);

ofEndShape(true);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20190707

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