2023年3月 – プログラミング de 落描き

2023年3月31日

distorted line. Draw by openFrameworks

[ Video ]

[ About ]
歪な線。

[ 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<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_list;
	vector<ofColor> color_list;

	vector<ofMesh> mesh_list;
};

#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<vector<glm::vec2>> log_list;

vector<glm::vec2> velocity_list;

vector<ofColor> color_list;

vector<ofMesh> mesh_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofSetLineWidth(2);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

	this->mesh_list.clear();

	int span = 20;
	int radius = 90;
	ofColor color;

	while (this->log_list.size() < 2000) {

		int deg_base = ofRandom(360);
		int deg = deg_base / 20 * 20;

		vector<glm::vec2> log;
		auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
		log.push_back(location);
		auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

		auto distance = location - next;
		distance *= 2;

		auto future = location + distance * 30;
		auto random_deg = ofRandom(360);
		future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));
		auto future_distance = future - location;

		this->log_list.push_back(log);
		this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.25, 0.6));
		color.setHsb(ofMap(deg_base, 0, 360, 0, 255), 255, 255);
		this->color_list.push_back(ofColor(color, 64));
	}

	for (int i = this->log_list.size() - 1; i > -1; i--) {

		auto location = this->log_list[i][this->log_list[i].size() - 1];

		auto deg = atan2(this->velocity_list[i].y, this->velocity_list[i].x) * RAD_TO_DEG;
		deg += ofMap(ofNoise(glm::vec3(location * 0.005, ofGetFrameNum() * 0.01)), 0, 1, -30, 30);
		auto len = glm::length(this->velocity_list[i]);
		location += glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD));

		if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 1300) {

			this->log_list.erase(this->log_list.begin() + i);
			this->velocity_list.erase(this->velocity_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);

			continue;
		}

		this->log_list[i].push_back(location);
		this->velocity_list[i] *= 1.01;
	}

	for (int i = 0; i < this->log_list.size(); i++) {

		ofMesh mesh;
		mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

		for (int k = 0; k < this->log_list[i].size(); k++) {

			mesh.addVertex(glm::vec3(this->log_list[i][k], 0));
			mesh.addColor(this->color_list[i]);

			if (k > 0) {

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

		this->mesh_list.push_back(mesh);
	}
}

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

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

	for (auto& mesh : this->mesh_list) {

		mesh.drawWireframe();
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(2);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

this->mesh_list.clear();

int span = 20;

int radius = 90;

ofColor color;

while (this->log_list.size() < 2000) {

int deg_base = ofRandom(360);

int deg = deg_base / 20 * 20;

vector<glm::vec2> log;

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

log.push_back(location);

auto next = glm::vec2((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD));

auto distance = location - next;

distance *= 2;

auto future = location + distance * 30;

auto random_deg = ofRandom(360);

future += glm::vec2(120 * cos(random_deg * DEG_TO_RAD), 120 * sin(random_deg * DEG_TO_RAD));

auto future_distance = future - location;

this->log_list.push_back(log);

this->velocity_list.push_back(glm::normalize(future_distance) * glm::length(distance) * ofRandom(0.25, 0.6));

color.setHsb(ofMap(deg_base, 0, 360, 0, 255), 255, 255);

this->color_list.push_back(ofColor(color, 64));

}

for (int i = this->log_list.size() - 1; i > -1; i--) {

auto location = this->log_list[i][this->log_list[i].size() - 1];

auto deg = atan2(this->velocity_list[i].y, this->velocity_list[i].x) * RAD_TO_DEG;

deg += ofMap(ofNoise(glm::vec3(location * 0.005, ofGetFrameNum() * 0.01)), 0, 1, -30, 30);

auto len = glm::length(this->velocity_list[i]);

location += glm::vec2(len * cos(deg * DEG_TO_RAD), len * sin(deg * DEG_TO_RAD));

if (glm::distance(glm::vec2(), this->log_list[i][this->log_list[i].size() - 1]) > 1300) {

this->log_list.erase(this->log_list.begin() + i);

this->velocity_list.erase(this->velocity_list.begin() + i);

this->color_list.erase(this->color_list.begin() + i);

continue;

}

this->log_list[i].push_back(location);

this->velocity_list[i] *= 1.01;

}

for (int i = 0; i < this->log_list.size(); i++) {

ofMesh mesh;

mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (int k = 0; k < this->log_list[i].size(); k++) {

mesh.addVertex(glm::vec3(this->log_list[i][k], 0));

mesh.addColor(this->color_list[i]);

if (k > 0) {

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

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

}

this->mesh_list.push_back(mesh);

}

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

void ofApp::draw() {

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

for (auto& mesh : this->mesh_list) {

mesh.drawWireframe();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230331

2023年3月30日

Square river. Draw by openFrameworks

[ Video ]

[ About ]
正方形川。

[ 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(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetColor(255);
	ofSetLineWidth(1.5);
	ofNoFill();
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

	ofSeedRandom(39);
}

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

	auto span = 20;
	for (int x = 0; x <= 720; x += span) {

		for (int y = 0; y <= 720; y += span) {

			ofPushMatrix();
			ofTranslate(x, y);

			auto noise_y = ofMap(ofNoise(x * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, 0, 720);

			int deg_x = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 0.85);
			int deg_y = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 0.85);
			int deg_z = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 0.85);

			deg_x = deg_x % 360;
			deg_y = deg_y % 360;
			deg_z = deg_z % 360;

			auto distance = abs(y - noise_y);
			auto power = 1.f;
			if (distance < span * 6) {

				if (distance > span * 4) {

					power = ofMap(distance, span * 4, span * 6, 1, 0);
				}

				ofRotateZ(deg_z * power);
				ofRotateY(deg_y * power);
				ofRotateX(deg_x * power);
			}

			ofFill();
			ofSetColor(255);
			ofDrawRectangle(0, 0, span, span);

			ofNoFill();
			ofSetColor(0);
			ofDrawRectangle(0, 0, span, span);

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetColor(255);

ofSetLineWidth(1.5);

ofNoFill();

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto span = 20;

for (int x = 0; x <= 720; x += span) {

for (int y = 0; y <= 720; y += span) {

ofPushMatrix();

ofTranslate(x, y);

auto noise_y = ofMap(ofNoise(x * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, 0, 720);

int deg_x = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 0.85);

int deg_y = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 0.85);

int deg_z = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 0.85);

deg_x = deg_x % 360;

deg_y = deg_y % 360;

deg_z = deg_z % 360;

auto distance = abs(y - noise_y);

auto power = 1.f;

if (distance < span * 6) {

if (distance > span * 4) {

power = ofMap(distance, span * 4, span * 6, 1, 0);

}

ofRotateZ(deg_z * power);

ofRotateY(deg_y * power);

ofRotateX(deg_x * power);

}

ofFill();

ofSetColor(255);

ofDrawRectangle(0, 0, span, span);

ofNoFill();

ofSetColor(0);

ofDrawRectangle(0, 0, span, span);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230330

2023年3月29日

Wave of square. Draw by openFrameworks

[ Video ]

[ About ]
正方形の波。

[ 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(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetLineWidth(1.5);
	ofNoFill();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);
}

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

	ofSeedRandom(39);
}

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


	auto span = 30;
	for (int x = 0; x <= 720; x += span) {

		for (int i = 0; i < 8; i++) {
		
			auto y = ofMap(ofNoise(x * 0.003 + (ofGetFrameNum() - i * 10) * 0.008), 0, 1, 0, 720);
			auto size = ofMap(i, 0, 5, span, span * 0.1);
			ofSetColor(255, ofMap(i, 0, 5, 255, 0));
			ofDrawRectangle(x, y, size, size);
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(1.5);

ofNoFill();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER);

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

auto span = 30;

for (int x = 0; x <= 720; x += span) {

for (int i = 0; i < 8; i++) {

auto y = ofMap(ofNoise(x * 0.003 + (ofGetFrameNum() - i * 10) * 0.008), 0, 1, 0, 720);

auto size = ofMap(i, 0, 5, span, span * 0.1);

ofSetColor(255, ofMap(i, 0, 5, 255, 0));

ofDrawRectangle(x, y, size, size);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230329

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