2024年9月 – ページ 9 – プログラミング de 落描き

2024年9月6日

Perforated plate.

[ Video ]

[ About ]
穴あきプレート。

[ 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 face, frame;
};

#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 face, frame;

};

#include "ofApp.h"

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

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

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

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

	this->face.clear();
	this->frame.clear();

	float span = 5;
	float threshold_1 = 0.46;
	float threshold_2 = 0.54;
	float frame_param = ofGetFrameNum() * 0.025;
	float coordinate_param = 0.01;
	float len = 320;
	float angle;
	glm::highp_mat4 rotation;

	ofColor color;

	for (float z = -len * 0.25; z <= 0; z += 6) {

		color = ofColor(ofMap(z, -len * 0.25, 0, 0, 239));

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

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

				glm::vec3 noise_location = glm::vec4(x, y, z, 0) * rotation;
				auto noise_value = ofNoise(glm::vec4(noise_location * coordinate_param, frame_param));
				if (noise_value < threshold_1 || noise_value > threshold_2) { continue; }

				glm::vec3 loc_1 = glm::vec4(x - span, y, z, 0) * rotation;
				auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, frame_param));
				glm::vec3 loc_2 = glm::vec4(x, y + span, z, 0) * rotation;
				auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, frame_param));
				glm::vec3 loc_3 = glm::vec4(x + span, y, z, 0) * rotation;
				auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, frame_param));
				glm::vec3 loc4 = glm::vec4(x, y - span, z, 0) * rotation;
				auto noise_4 = ofNoise(glm::vec4(loc4 * coordinate_param, frame_param));

				auto index = this->face.getNumVertices();
				vector<glm::vec3> vertices;

				vertices.push_back(glm::vec4(x - span * 0.5, y - span * 0.5, z, 0) * rotation);
				vertices.push_back(glm::vec4(x + span * 0.5, y - span * 0.5, z, 0) * rotation);
				vertices.push_back(glm::vec4(x + span * 0.5, y + span * 0.5, z, 0) * rotation);
				vertices.push_back(glm::vec4(x - span * 0.5, y + span * 0.5, z, 0) * rotation);

				this->face.addVertices(vertices);

				for (int i = 0; i < 4; i++) { this->face.addColor(color); }

				this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2);
				this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

				if (noise_1 < threshold_1 || noise_1 > threshold_2 || x == -len) {

					this->frame.addVertex(vertices[0]);
					this->frame.addVertex(vertices[3]);

					this->frame.addIndex(this->frame.getNumVertices() - 1);
					this->frame.addIndex(this->frame.getNumVertices() - 2);
				}

				if (noise_2 < threshold_1 || noise_2 > threshold_2 || y == len) {

					this->frame.addVertex(vertices[2]);
					this->frame.addVertex(vertices[3]);

					this->frame.addIndex(this->frame.getNumVertices() - 1);
					this->frame.addIndex(this->frame.getNumVertices() - 2);
				}

				if (noise_3 < threshold_1 || noise_3 > threshold_2 || x == len) {

					this->frame.addVertex(vertices[1]);
					this->frame.addVertex(vertices[2]);

					this->frame.addIndex(this->frame.getNumVertices() - 1);
					this->frame.addIndex(this->frame.getNumVertices() - 2);
				}

				if (noise_4 < threshold_1 || noise_4 > threshold_2 || y == -len) {

					this->frame.addVertex(vertices[0]);
					this->frame.addVertex(vertices[1]);

					this->frame.addIndex(this->frame.getNumVertices() - 1);
					this->frame.addIndex(this->frame.getNumVertices() - 2);
				}
			}

		}
	}
}

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

	this->cam.begin();

	this->frame.draw();
	this->face.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);
		}
	}
	*/

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(39);

ofSetLineWidth(3);

ofEnableDepthTest();

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

float span = 5;

float threshold_1 = 0.46;

float threshold_2 = 0.54;

float frame_param = ofGetFrameNum() * 0.025;

float coordinate_param = 0.01;

float len = 320;

float angle;

glm::highp_mat4 rotation;

ofColor color;

for (float z = -len * 0.25; z <= 0; z += 6) {

color = ofColor(ofMap(z, -len * 0.25, 0, 0, 239));

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

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

glm::vec3 noise_location = glm::vec4(x, y, z, 0) * rotation;

auto noise_value = ofNoise(glm::vec4(noise_location * coordinate_param, frame_param));

if (noise_value < threshold_1 || noise_value > threshold_2) { continue; }

glm::vec3 loc_1 = glm::vec4(x - span, y, z, 0) * rotation;

auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, frame_param));

glm::vec3 loc_2 = glm::vec4(x, y + span, z, 0) * rotation;

auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, frame_param));

glm::vec3 loc_3 = glm::vec4(x + span, y, z, 0) * rotation;

auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, frame_param));

glm::vec3 loc4 = glm::vec4(x, y - span, z, 0) * rotation;

auto noise_4 = ofNoise(glm::vec4(loc4 * coordinate_param, frame_param));

auto index = this->face.getNumVertices();

vector<glm::vec3> vertices;

vertices.push_back(glm::vec4(x - span * 0.5, y - span * 0.5, z, 0) * rotation);

vertices.push_back(glm::vec4(x + span * 0.5, y - span * 0.5, z, 0) * rotation);

vertices.push_back(glm::vec4(x + span * 0.5, y + span * 0.5, z, 0) * rotation);

vertices.push_back(glm::vec4(x - span * 0.5, y + span * 0.5, z, 0) * rotation);

this->face.addVertices(vertices);

for (int i = 0; i < 4; i++) { this->face.addColor(color); }

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2);

this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

if (noise_1 < threshold_1 || noise_1 > threshold_2 || x == -len) {

this->frame.addVertex(vertices[0]);

this->frame.addVertex(vertices[3]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

if (noise_2 < threshold_1 || noise_2 > threshold_2 || y == len) {

this->frame.addVertex(vertices[2]);

this->frame.addVertex(vertices[3]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

if (noise_3 < threshold_1 || noise_3 > threshold_2 || x == len) {

this->frame.addVertex(vertices[1]);

this->frame.addVertex(vertices[2]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

if (noise_4 < threshold_1 || noise_4 > threshold_2 || y == -len) {

this->frame.addVertex(vertices[0]);

this->frame.addVertex(vertices[1]);

this->frame.addIndex(this->frame.getNumVertices() - 1);

this->frame.addIndex(this->frame.getNumVertices() - 2);

}

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

void ofApp::draw() {

this->cam.begin();

this->frame.draw();

this->face.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);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240906

2024年9月5日

Gaps.

[ Video ]

[ About ]
差。

[ 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) {};

	ofTrueTypeFont font;
	ofPixels pixels;
};

#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) {};

ofTrueTypeFont font;

ofPixels pixels;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofSetColor(255);
	ofFill();

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 175, true, true, true);

	ofFbo fbo;
	fbo.allocate(ofGetWidth(), ofGetHeight());
	fbo.begin();
	ofClear(0);
	ofSetColor(0);

	auto word = "NOISE";
	this->font.drawString(word, -5, 90 + 360);

	fbo.end();
	auto span = 10;
	fbo.readToPixels(this->pixels);
}

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

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

	int len = 10;
	for (int x = 0; x <= ofGetWindowWidth(); x += len) {

		for (int y = 0; y <= ofGetWindowHeight(); y += len) {

			auto noise_value = ofNoise(x * 0.002, y * 0.002, ofGetFrameNum() * 0.015);

			ofColor color = pixels.getColor(x, y);
			if (color != ofColor(0, 0)) {

				auto color_value = noise_value < 0.4 ? 0 : noise_value > 0.85 ? 239 : ofMap(noise_value, 0.4, 0.85, 0, 239);

				ofFill();
				ofSetColor(color_value);

				ofDrawRectangle(x, y, len, len);

				ofNoFill();
				ofSetColor(color_value == 239 ? 39 : 128);

				ofDrawRectangle(x, y, len, len);
			}
			else {

				auto color_value = noise_value < 0.4 ? 239 : noise_value > 0.85 ? 0 : ofMap(noise_value, 0.4, 0.85, 239, 0);

				ofFill();
				ofSetColor(color_value);

				ofDrawRectangle(x, y, len, len);

				ofNoFill();
				ofSetColor(color_value == 239 ? 128 : 39);

				ofDrawRectangle(x, y, len, len);
			}
		}
	}

	/*
	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);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofSetColor(255);

ofFill();

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 175, true, true, true);

ofFbo fbo;

fbo.allocate(ofGetWidth(), ofGetHeight());

fbo.begin();

ofClear(0);

ofSetColor(0);

auto word = "NOISE";

this->font.drawString(word, -5, 90 + 360);

fbo.end();

auto span = 10;

fbo.readToPixels(this->pixels);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int len = 10;

for (int x = 0; x <= ofGetWindowWidth(); x += len) {

for (int y = 0; y <= ofGetWindowHeight(); y += len) {

auto noise_value = ofNoise(x * 0.002, y * 0.002, ofGetFrameNum() * 0.015);

ofColor color = pixels.getColor(x, y);

if (color != ofColor(0, 0)) {

auto color_value = noise_value < 0.4 ? 0 : noise_value > 0.85 ? 239 : ofMap(noise_value, 0.4, 0.85, 0, 239);

ofFill();

ofSetColor(color_value);

ofDrawRectangle(x, y, len, len);

ofNoFill();

ofSetColor(color_value == 239 ? 39 : 128);

ofDrawRectangle(x, y, len, len);

}

else {

auto color_value = noise_value < 0.4 ? 239 : noise_value > 0.85 ? 0 : ofMap(noise_value, 0.4, 0.85, 239, 0);

ofFill();

ofSetColor(color_value);

ofDrawRectangle(x, y, len, len);

ofNoFill();

ofSetColor(color_value == 239 ? 128 : 39);

ofDrawRectangle(x, y, len, len);

}

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240905

2024年9月4日

Squares.

[ Video ]

[ About ]
正方形ず。

[ 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(239);
}

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

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

	int len = 30;
	for (int x = 0; x <= ofGetWindowWidth(); x += len) {

		for (int y = 0; y <= ofGetWindowHeight(); y += len) {

			auto noise_value = ofNoise(x * 0.003, y * 0.003, ofGetFrameNum() * 0.01);

			auto color_value = noise_value < 0.4 ? 239 : noise_value > 0.85 ? 0 : ofMap(noise_value, 0.4, 0.85, 239, 0);

			ofFill();
			ofSetColor(color_value);
			
			ofDrawRectangle(x, y, len, len);

			ofNoFill();
			ofSetColor(color_value == 239 ? 128 : 39);

			ofDrawRectangle(x, y, len, len);
		}
	}

	/*
	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);
		}
	}
	*/
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(239);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int len = 30;

for (int x = 0; x <= ofGetWindowWidth(); x += len) {

for (int y = 0; y <= ofGetWindowHeight(); y += len) {

auto noise_value = ofNoise(x * 0.003, y * 0.003, ofGetFrameNum() * 0.01);

auto color_value = noise_value < 0.4 ? 239 : noise_value > 0.85 ? 0 : ofMap(noise_value, 0.4, 0.85, 239, 0);

ofFill();

ofSetColor(color_value);

ofDrawRectangle(x, y, len, len);

ofNoFill();

ofSetColor(color_value == 239 ? 128 : 39);

ofDrawRectangle(x, y, len, len);

}

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);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240904

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