プログラミング de 落描き – ページ 181 – クリエイティブ・コーディングによる生成物とソース

2024年1月15日

Churn.

[ Video ]

[ About ]
まぜる。

[ 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 base_mesh, draw_mesh;
};

#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 base_mesh, draw_mesh;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(250, 7);
	this->base_mesh = ico_sphere.getMesh();

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	this->draw_mesh.clear();

	for (auto v : this->base_mesh.getVertices()) {

		for (int i = 0; i < 4; i++) {

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.x * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.y * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.z * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));
			auto radius = ofMap(ofNoise(glm::vec4(v * 0.004, ofGetFrameNum() * 0.02)), 0, 1, 150, 300);

			v = glm::normalize(v) * radius;
			v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;
		
		}

		this->draw_mesh.addVertex(v);
		this->draw_mesh.addColor(ofColor(255, 64));
	}

	this->draw_mesh.addIndices(this->base_mesh.getIndices());
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 2.88);

	this->draw_mesh.drawVertices();

	/*
	int start = 150;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(250, 7);

this->base_mesh = ico_sphere.getMesh();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

this->draw_mesh.clear();

for (auto v : this->base_mesh.getVertices()) {

for (int i = 0; i < 4; i++) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.x * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.y * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.z * 0.001, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

auto radius = ofMap(ofNoise(glm::vec4(v * 0.004, ofGetFrameNum() * 0.02)), 0, 1, 150, 300);

v = glm::normalize(v) * radius;

v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;

}

this->draw_mesh.addVertex(v);

this->draw_mesh.addColor(ofColor(255, 64));

}

this->draw_mesh.addIndices(this->base_mesh.getIndices());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 2.88);

this->draw_mesh.drawVertices();

int start = 150;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240115

2024年1月14日

Twisting sphere.

[ Video ]

[ About ]
ねじり球体。

[ 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 base_mesh, draw_mesh;
};

#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 base_mesh, draw_mesh;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(250, 5);
	this->base_mesh = ico_sphere.getMesh();
}

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

	this->draw_mesh.clear();

	for (auto v : this->base_mesh.getVertices()) {

		for (int i = 0; i < 4; i++) {

			auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.x * 0.0008, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));
			auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.y * 0.0008, ofGetFrameNum() * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));
			auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.z * 0.0008, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

			v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;
		}

		this->draw_mesh.addVertex(v);
		this->draw_mesh.addColor(ofColor(0));
	}

	this->draw_mesh.addIndices(this->base_mesh.getIndices());
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 1.44);

	this->draw_mesh.drawWireframe();

	/*
	int start = 150;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(250, 5);

this->base_mesh = ico_sphere.getMesh();

}

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

void ofApp::update() {

this->draw_mesh.clear();

for (auto v : this->base_mesh.getVertices()) {

for (int i = 0; i < 4; i++) {

auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.x * 0.0008, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.y * 0.0008, ofGetFrameNum() * 0.005)), 0, 1, -180, 180) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec2(v.z * 0.0008, ofGetFrameNum() * 0.005)), 0, 1, -60, 60) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1));

v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x;

}

this->draw_mesh.addVertex(v);

this->draw_mesh.addColor(ofColor(0));

}

this->draw_mesh.addIndices(this->base_mesh.getIndices());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 1.44);

this->draw_mesh.drawWireframe();

int start = 150;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240114

2024年1月13日

Alpha = ofMap(distance, 0, len, 0, 255);

[ Video ]

[ About ]
Alpha = ofMap(distance, 0, len, 0, 255);

[ 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(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	ofSeedRandom(39);
}

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

	float span = 1;
	vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };
	for (int i = 0; i < color_list.size(); i++) {

		ofMesh mesh;
		auto noise_value = ofRandom(1000);

		for (float x = 10; x < ofGetWindowWidth() - 10 - span; x += span) {

			for (float y = 10; y < ofGetWindowHeight() - 10 - span; y += span) {

				int distance = glm::distance(glm::vec2(x, y), ofGetWindowSize() * 0.5);
				distance = distance % 100;
				if (distance > 70) {

					continue;
				}
				distance = abs(distance - 35);

				mesh.addVertex(glm::vec3(x, y, 0));
				mesh.addVertex(glm::vec3(x + span, y, 0));
				mesh.addVertex(glm::vec3(x + span, y + span, 0));
				mesh.addVertex(glm::vec3(x, y + span, 0));

				for (int k = mesh.getNumVertices() - 4; k < mesh.getNumVertices(); k++) {

					auto noise_value = ofNoise(mesh.getVertex(k).x * 0.05, mesh.getVertex(k).y * 0.05, ofGetFrameNum() * 0.02 + i * 0.1);
					int int_noise_value = noise_value;
					float param = noise_value - int_noise_value;
					param = abs(param - 0.5);

					auto alpha = param < 0.125 ? ofMap(param, 0, 0.125, 255, 0) : 0;
					alpha = alpha * (distance < 15 ? 1 : ofMap(distance, 15, 35, 1, 0));
					auto color = ofColor(color_list[i], alpha);

					mesh.addColor(color);
				}

				mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 2); mesh.addIndex(mesh.getNumVertices() - 3);
				mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 3); mesh.addIndex(mesh.getNumVertices() - 4);
			}
		}

		mesh.draw();
	}

	/*
	int start = 1;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(39);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

float span = 1;

vector<ofColor> color_list = { ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) };

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

ofMesh mesh;

auto noise_value = ofRandom(1000);

for (float x = 10; x < ofGetWindowWidth() - 10 - span; x += span) {

for (float y = 10; y < ofGetWindowHeight() - 10 - span; y += span) {

int distance = glm::distance(glm::vec2(x, y), ofGetWindowSize() * 0.5);

distance = distance % 100;

if (distance > 70) {

continue;

}

distance = abs(distance - 35);

mesh.addVertex(glm::vec3(x, y, 0));

mesh.addVertex(glm::vec3(x + span, y, 0));

mesh.addVertex(glm::vec3(x + span, y + span, 0));

mesh.addVertex(glm::vec3(x, y + span, 0));

for (int k = mesh.getNumVertices() - 4; k < mesh.getNumVertices(); k++) {

auto noise_value = ofNoise(mesh.getVertex(k).x * 0.05, mesh.getVertex(k).y * 0.05, ofGetFrameNum() * 0.02 + i * 0.1);

int int_noise_value = noise_value;

float param = noise_value - int_noise_value;

param = abs(param - 0.5);

auto alpha = param < 0.125 ? ofMap(param, 0, 0.125, 255, 0) : 0;

alpha = alpha * (distance < 15 ? 1 : ofMap(distance, 15, 35, 1, 0));

auto color = ofColor(color_list[i], alpha);

mesh.addColor(color);

}

mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 2); mesh.addIndex(mesh.getNumVertices() - 3);

mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 3); mesh.addIndex(mesh.getNumVertices() - 4);

}

mesh.draw();

}

int start = 1;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240113

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