2024年12月27日 – プログラミング de 落描き

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円が降る。

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#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) {};
	
	vector<float> x_list;
	vector<float> y_list;
	vector<float> speed_list;
	vector<vector<glm::vec2>> log_list;
	vector<glm::vec2> velocity_list;
	vector<float> noise_seed_list;
	vector<ofColor> color_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

vector<float> x_list;

vector<float> y_list;

vector<float> speed_list;

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

vector<glm::vec2> velocity_list;

vector<float> noise_seed_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

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

	ofBackground(39);
	ofFill();

	for (int i = 0; i < 24; i++) {

		this->x_list.push_back(ofRandom(-50, ofGetWindowWidth()) + 50);
		this->y_list.push_back(ofRandom(ofGetWindowHeight()));
		this->speed_list.push_back(ofRandom(10, 25));
	}

	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

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

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

		auto y = (int)(this->y_list[i] + ofGetFrameNum() * this->speed_list[i]) % 1200 - 150;

		if (y > 800) {

			this->x_list[i] = ofRandom(-50, ofGetWindowWidth() + 50);
		}

		auto noise_location = glm::vec2(this->x_list[i], y);
		auto next_noise_location = glm::vec2(this->x_list[i], y - 1);

		for (int k = 0; k < 1; k++) {

			vector<glm::vec2> log;
			log.push_back(noise_location);
			this->log_list.push_back(log);

			auto deg = glm::atan(next_noise_location.y - noise_location.y, next_noise_location.x - noise_location.x) * RAD_TO_DEG + 180 + ofRandom(-30, 30);
			glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));
			this->velocity_list.push_back(velocity);

			this->noise_seed_list.push_back(ofRandom(1000));

			color.setHsb(ofRandom(255), 130, 255);
			this->color_list.push_back(color);
		}
	}

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

		auto future = this->velocity_list[i] * 200;
		auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, 0, 360);
		future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD));

		auto next = this->log_list[i].back() + glm::normalize(future) * 4;
		this->log_list[i].push_back(next);

		if (this->log_list[i].size() > 30) {

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

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

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

		ofPushMatrix();
		ofTranslate(this->log_list[i].back());
	
		ofSetColor(this->color_list[i]);
		auto size = this->log_list[i].size() < 3 ? 7.5 : ofMap(this->log_list[i].size(), 3, 30, 7.5, 1);

		ofDrawCircle(glm::vec3(), size);

		ofPopMatrix();
	}

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

		ofPushMatrix();
		ofTranslate(this->log_list[i].back());

		ofSetColor(39);
		auto size = this->log_list[i].size() < 3 ? 5.75 : ofMap(this->log_list[i].size(), 3, 30, 5.75, 0);

		ofDrawCircle(glm::vec3(), size);

		ofPopMatrix();
	}

	/*
	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());
}

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofFill();

for (int i = 0; i < 24; i++) {

this->x_list.push_back(ofRandom(-50, ofGetWindowWidth()) + 50);

this->y_list.push_back(ofRandom(ofGetWindowHeight()));

this->speed_list.push_back(ofRandom(10, 25));

}

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

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

void ofApp::update() {

ofColor color;

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

auto y = (int)(this->y_list[i] + ofGetFrameNum() * this->speed_list[i]) % 1200 - 150;

if (y > 800) {

this->x_list[i] = ofRandom(-50, ofGetWindowWidth() + 50);

}

auto noise_location = glm::vec2(this->x_list[i], y);

auto next_noise_location = glm::vec2(this->x_list[i], y - 1);

for (int k = 0; k < 1; k++) {

vector<glm::vec2> log;

log.push_back(noise_location);

this->log_list.push_back(log);

auto deg = glm::atan(next_noise_location.y - noise_location.y, next_noise_location.x - noise_location.x) * RAD_TO_DEG + 180 + ofRandom(-30, 30);

glm::vec2 velocity = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD));

this->velocity_list.push_back(velocity);

this->noise_seed_list.push_back(ofRandom(1000));

color.setHsb(ofRandom(255), 130, 255);

this->color_list.push_back(color);

}

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

auto future = this->velocity_list[i] * 200;

auto random_deg = ofMap(ofNoise(glm::vec2(this->noise_seed_list[i], ofGetFrameNum() * 0.01)), 0, 1, 0, 360);

future += glm::vec2(50 * cos(random_deg * DEG_TO_RAD), 50 * sin(random_deg * DEG_TO_RAD));

auto next = this->log_list[i].back() + glm::normalize(future) * 4;

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

if (this->log_list[i].size() > 30) {

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

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

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

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

}

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

void ofApp::draw() {

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

ofPushMatrix();

ofTranslate(this->log_list[i].back());

ofSetColor(this->color_list[i]);

auto size = this->log_list[i].size() < 3 ? 7.5 : ofMap(this->log_list[i].size(), 3, 30, 7.5, 1);

ofDrawCircle(glm::vec3(), size);

ofPopMatrix();

}

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

ofPushMatrix();

ofTranslate(this->log_list[i].back());

ofSetColor(39);

auto size = this->log_list[i].size() < 3 ? 5.75 : ofMap(this->log_list[i].size(), 3, 30, 5.75, 0);

ofDrawCircle(glm::vec3(), size);

ofPopMatrix();

}

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/Insta20241227

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日: 2024年12月27日

Falling circle.

2024年12月
月	火	水	木	金	土	日
						1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30	31