openFrameworks – ページ 475 – プログラミング de 落描き

2020年12月30日

Fragmented video. Draw by openFrameworks

[ Video ]

[ About ]
断片的を見る。

Fragmented video.

[ Source ]

#pragma once
#include "ofMain.h"
#include "opencv2/opencv.hpp"

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;

	cv::VideoCapture cap;
	cv::Size cap_size;
	int number_of_frames;
	vector<cv::Mat> frame_list;

	float rect_size;
	vector<cv::Mat> rect_frames;
	vector<unique_ptr<ofImage>> rect_images;
	vector<cv::Rect> cv_rects;
};

#pragma once

#include "ofMain.h"

#include "opencv2/opencv.hpp"

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;

cv::VideoCapture cap;

cv::Size cap_size;

int number_of_frames;

vector<cv::Mat> frame_list;

float rect_size;

vector<cv::Mat> rect_frames;

vector<unique_ptr<ofImage>> rect_images;

vector<cv::Rect> cv_rects;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();
	ofDisableArbTex();

	this->cap.open("D:\\MP4\\Pexels Videos 2880.mp4");
	this->cap_size = cv::Size(640, 360);

	this->rect_size = 40;
	for (int x = 0; x < this->cap_size.width; x += this->rect_size) {

		for (int y = 0; y < this->cap_size.height; y += this->rect_size) {

			auto image = make_unique<ofImage>();
			image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);
			cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0);
			cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

			this->rect_images.push_back(move(image));
			this->cv_rects.push_back(rect);
			this->rect_frames.push_back(frame);
		}
	}

	this->number_of_frames = this->cap.get(cv::CAP_PROP_FRAME_COUNT);
	for (int i = 0; i < this->number_of_frames; i++) {

		cv::Mat src, tmp;
		this->cap >> src;
		if (src.empty()) {

			return;
		}

		cv::resize(src, tmp, this->cap_size);
		cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

		this->frame_list.push_back(tmp);
	}
}

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

}

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

	this->cam.begin();
	ofTranslate(this->cap_size.width * -0.5 + 20, this->cap_size.height * -0.5 - 20, -225);

	for (int i = 0; i < this->rect_frames.size(); i += 1) {

		int frame_max = this->number_of_frames;
		for (int frame_index = 0; frame_index < frame_max; frame_index++) {

			auto noise_value = ofNoise(this->cv_rects[i].x * 0.001, (this->cap_size.height - this->cv_rects[i].y) * 0.001, frame_index * 2 * 0.05 + ofGetFrameNum() * 0.1);

			if (noise_value < 0.1) {

				cv::Mat tmp_box_image(this->frame_list[frame_max - frame_index - 1], this->cv_rects[i]);
				tmp_box_image.copyTo(this->rect_frames[i]);

				this->rect_images[i]->update();
				this->rect_images[i]->getTexture().bind();
				ofSetColor(255);
				ofFill();
				ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, frame_index * 2), this->rect_size, this->rect_size, 2);
				this->rect_images[i]->unbind();

				ofSetColor(239);
				ofNoFill();
				ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, frame_index * 2), this->rect_size, this->rect_size, 2);

				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();

ofDisableArbTex();

this->cap.open("D:\\MP4\\Pexels Videos 2880.mp4");

this->cap_size = cv::Size(640, 360);

this->rect_size = 40;

for (int x = 0; x < this->cap_size.width; x += this->rect_size) {

for (int y = 0; y < this->cap_size.height; y += this->rect_size) {

auto image = make_unique<ofImage>();

image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR);

cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0);

cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size);

this->rect_images.push_back(move(image));

this->cv_rects.push_back(rect);

this->rect_frames.push_back(frame);

}

this->number_of_frames = this->cap.get(cv::CAP_PROP_FRAME_COUNT);

for (int i = 0; i < this->number_of_frames; i++) {

cv::Mat src, tmp;

this->cap >> src;

if (src.empty()) {

return;

}

cv::resize(src, tmp, this->cap_size);

cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

this->frame_list.push_back(tmp);

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(this->cap_size.width * -0.5 + 20, this->cap_size.height * -0.5 - 20, -225);

for (int i = 0; i < this->rect_frames.size(); i += 1) {

int frame_max = this->number_of_frames;

for (int frame_index = 0; frame_index < frame_max; frame_index++) {

auto noise_value = ofNoise(this->cv_rects[i].x * 0.001, (this->cap_size.height - this->cv_rects[i].y) * 0.001, frame_index * 2 * 0.05 + ofGetFrameNum() * 0.1);

if (noise_value < 0.1) {

cv::Mat tmp_box_image(this->frame_list[frame_max - frame_index - 1], this->cv_rects[i]);

tmp_box_image.copyTo(this->rect_frames[i]);

this->rect_images[i]->update();

this->rect_images[i]->getTexture().bind();

ofSetColor(255);

ofFill();

ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, frame_index * 2), this->rect_size, this->rect_size, 2);

this->rect_images[i]->unbind();

ofSetColor(239);

ofNoFill();

ofDrawBox(glm::vec3(this->cv_rects[i].x, this->cap_size.height - this->cv_rects[i].y, frame_index * 2), this->rect_size, this->rect_size, 2);

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201230

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年12月29日

Parallel capture. Draw by openFrameworks

[ Video ]

[ About ]
パラレルキャプチャ。

Parallel capture.

[ Source ]

#pragma once
#include "ofMain.h"
#include "opencv2/opencv.hpp"
#include "ofxBox2d.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) {};

	cv::VideoCapture cap;
	cv::Size cap_size;
	int number_of_frames;
	vector<cv::Mat> frame_list;

	ofImage image;
	cv::Mat frame;
	ofMesh mesh;

	vector<glm::vec3> draw_location_list;
	vector<int> draw_index_list;

	ofxBox2d box2d;
	vector<shared_ptr<ofxBox2dRect>> box2d_rect_list;
	vector<int> box2d_frame_index_list;
	vector<float> box2d_life_list;
};

#pragma once

#include "ofMain.h"

#include "opencv2/opencv.hpp"

#include "ofxBox2d.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) {};

cv::VideoCapture cap;

cv::Size cap_size;

int number_of_frames;

vector<cv::Mat> frame_list;

ofImage image;

cv::Mat frame;

ofMesh mesh;

vector<glm::vec3> draw_location_list;

vector<int> draw_index_list;

ofxBox2d box2d;

vector<shared_ptr<ofxBox2dRect>> box2d_rect_list;

vector<int> box2d_frame_index_list;

vector<float> box2d_life_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetColor(255);
	ofSetLineWidth(3);

	this->cap.open("D:\\MP4\\Pexels Videos 2441067.mp4");
	this->cap_size = cv::Size(128, 72);

	this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);
	this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

	int skip_frame = 24 * 120;
	this->number_of_frames = this->cap.get(cv::CAP_PROP_FRAME_COUNT) - skip_frame;
	this->cap.set(cv::CAP_PROP_POS_FRAMES, skip_frame);
	for (int i = 0; i < this->number_of_frames; i++) {

		cv::Mat src, tmp;
		this->cap >> src;
		if (src.empty()) {

			continue;
		}

		cv::resize(src, tmp, this->cap_size);
		cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

		this->frame_list.push_back(tmp);
	}

	this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5,  this->cap_size.height * -0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5,  this->cap_size.height * 0.5, 0));
	this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * 0.5, 0));
	
	this->mesh.addTexCoord(glm::vec3(0, 0, 0));
	this->mesh.addTexCoord(glm::vec3(this->cap_size.width, 0, 0));
	this->mesh.addTexCoord(glm::vec3(this->cap_size.width, this->cap_size.height, 0));
	this->mesh.addTexCoord(glm::vec3(0, this->cap_size.height, 0));

	this->mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2);
	this->mesh.addIndex(0); mesh.addIndex(2); mesh.addIndex(3);

	for (int x = 40 + this->cap_size.width * 0.5; x <= ofGetWidth(); x += this->cap_size.width) {

		for (int y = 40 + this->cap_size.height * 0.5; y <= ofGetHeight() * 0.5; y += this->cap_size.height) {

			this->draw_location_list.push_back(glm::vec3(x, y, 0));
			this->draw_index_list.push_back(ofRandom(this->number_of_frames));
		}
	}

	this->box2d.init();
	this->box2d.setGravity(0, 50);
	this->box2d.createBounds();
	this->box2d.setFPS(60);
	this->box2d.registerGrabbing();
}

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

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

		int n = int(ofMap(ofNoise(this->draw_location_list[i].x * 0.5625 * 0.005, this->draw_location_list[i].y * 0.005, ofGetFrameNum() * 0.0005), 0, 1, 0, this->number_of_frames * 3)) % this->number_of_frames;
		this->draw_index_list[i] = n;
	}

	for (int i = this->box2d_rect_list.size() - 1; i > -1; i--) {

		this->box2d_life_list[i] -= 3;
		if (this->box2d_life_list[i] < 0) {

			this->box2d_rect_list.erase(this->box2d_rect_list.begin() + i);
			this->box2d_frame_index_list.erase(this->box2d_frame_index_list.begin() + i);
			this->box2d_life_list.erase(this->box2d_life_list.begin() + i);
		}
	}

	if (ofGetFrameNum() % 12 == 0) {

		int location_index = ofRandom(this->draw_location_list.size());
		int frame_index = this->draw_index_list[location_index];

		auto box2d_rect = make_shared<ofxBox2dRect>();
		box2d_rect->setPhysics(0.5, 0.21, 0.4);
		box2d_rect->setup(this->box2d.getWorld(), this->draw_location_list[location_index].x, this->draw_location_list[location_index].y, this->cap_size.width, this->cap_size.height);

		this->box2d_rect_list.push_back(box2d_rect);
		this->box2d_frame_index_list.push_back(frame_index);
		this->box2d_life_list.push_back(512);
	}

	this->box2d.update();
}

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

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

		this->frame_list[this->draw_index_list[i]].copyTo(this->frame);
		this->image.update();

		ofPushMatrix();
		ofTranslate(this->draw_location_list[i]);

		ofSetColor(255);
		ofFill();
		this->image.bind();
		mesh.draw();
		this->image.unbind();

		ofSetColor(39);
		ofNoFill();
		ofDrawRectangle(this->cap_size.width * -0.5, this->cap_size.height * -0.5, this->cap_size.width, this->cap_size.height);

		ofPopMatrix();
	}

	for (int i = 0; i < this->box2d_rect_list.size(); i++) {

		this->frame_list[this->box2d_frame_index_list[i]].copyTo(this->frame);
		this->image.update();

		ofPushMatrix();
		ofTranslate(this->box2d_rect_list[i]->getPosition());
		ofRotate(this->box2d_rect_list[i]->getRotation());

		auto alpha = this->box2d_life_list[i] > 255 ? 255 : this->box2d_life_list[i];

		ofSetColor(255, alpha);
		ofFill();
		this->image.bind();
		mesh.draw();
		this->image.unbind();

		ofSetColor(39);
		ofNoFill();
		ofDrawRectangle(this->cap_size.width * -0.5, this->cap_size.height * -0.5, this->cap_size.width, this->cap_size.height);

		ofPopMatrix();
	}
}

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

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

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetColor(255);

ofSetLineWidth(3);

this->cap.open("D:\\MP4\\Pexels Videos 2441067.mp4");

this->cap_size = cv::Size(128, 72);

this->image.allocate(this->cap_size.width, this->cap_size.height, OF_IMAGE_COLOR);

this->frame = cv::Mat(cv::Size(this->image.getWidth(), this->image.getHeight()), CV_MAKETYPE(CV_8UC3, this->image.getPixels().getNumChannels()), this->image.getPixels().getData(), 0);

int skip_frame = 24 * 120;

this->number_of_frames = this->cap.get(cv::CAP_PROP_FRAME_COUNT) - skip_frame;

this->cap.set(cv::CAP_PROP_POS_FRAMES, skip_frame);

for (int i = 0; i < this->number_of_frames; i++) {

cv::Mat src, tmp;

this->cap >> src;

if (src.empty()) {

continue;

}

cv::resize(src, tmp, this->cap_size);

cv::cvtColor(tmp, tmp, cv::COLOR_BGR2RGB);

this->frame_list.push_back(tmp);

}

this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * -0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * 0.5, this->cap_size.height * 0.5, 0));

this->mesh.addVertex(glm::vec3(this->cap_size.width * -0.5, this->cap_size.height * 0.5, 0));

this->mesh.addTexCoord(glm::vec3(0, 0, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width, 0, 0));

this->mesh.addTexCoord(glm::vec3(this->cap_size.width, this->cap_size.height, 0));

this->mesh.addTexCoord(glm::vec3(0, this->cap_size.height, 0));

this->mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(2);

this->mesh.addIndex(0); mesh.addIndex(2); mesh.addIndex(3);

for (int x = 40 + this->cap_size.width * 0.5; x <= ofGetWidth(); x += this->cap_size.width) {

for (int y = 40 + this->cap_size.height * 0.5; y <= ofGetHeight() * 0.5; y += this->cap_size.height) {

this->draw_location_list.push_back(glm::vec3(x, y, 0));

this->draw_index_list.push_back(ofRandom(this->number_of_frames));

}

this->box2d.init();

this->box2d.setGravity(0, 50);

this->box2d.createBounds();

this->box2d.setFPS(60);

this->box2d.registerGrabbing();

}

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

void ofApp::update() {

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

int n = int(ofMap(ofNoise(this->draw_location_list[i].x * 0.5625 * 0.005, this->draw_location_list[i].y * 0.005, ofGetFrameNum() * 0.0005), 0, 1, 0, this->number_of_frames * 3)) % this->number_of_frames;

this->draw_index_list[i] = n;

}

for (int i = this->box2d_rect_list.size() - 1; i > -1; i--) {

this->box2d_life_list[i] -= 3;

if (this->box2d_life_list[i] < 0) {

this->box2d_rect_list.erase(this->box2d_rect_list.begin() + i);

this->box2d_frame_index_list.erase(this->box2d_frame_index_list.begin() + i);

this->box2d_life_list.erase(this->box2d_life_list.begin() + i);

}

if (ofGetFrameNum() % 12 == 0) {

int location_index = ofRandom(this->draw_location_list.size());

int frame_index = this->draw_index_list[location_index];

auto box2d_rect = make_shared<ofxBox2dRect>();

box2d_rect->setPhysics(0.5, 0.21, 0.4);

box2d_rect->setup(this->box2d.getWorld(), this->draw_location_list[location_index].x, this->draw_location_list[location_index].y, this->cap_size.width, this->cap_size.height);

this->box2d_rect_list.push_back(box2d_rect);

this->box2d_frame_index_list.push_back(frame_index);

this->box2d_life_list.push_back(512);

}

this->box2d.update();

}

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

void ofApp::draw() {

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

this->frame_list[this->draw_index_list[i]].copyTo(this->frame);

this->image.update();

ofPushMatrix();

ofTranslate(this->draw_location_list[i]);

ofSetColor(255);

ofFill();

this->image.bind();

mesh.draw();

this->image.unbind();

ofSetColor(39);

ofNoFill();

ofDrawRectangle(this->cap_size.width * -0.5, this->cap_size.height * -0.5, this->cap_size.width, this->cap_size.height);

ofPopMatrix();

}

for (int i = 0; i < this->box2d_rect_list.size(); i++) {

this->frame_list[this->box2d_frame_index_list[i]].copyTo(this->frame);

this->image.update();

ofPushMatrix();

ofTranslate(this->box2d_rect_list[i]->getPosition());

ofRotate(this->box2d_rect_list[i]->getRotation());

auto alpha = this->box2d_life_list[i] > 255 ? 255 : this->box2d_life_list[i];

ofSetColor(255, alpha);

ofFill();

this->image.bind();

mesh.draw();

this->image.unbind();

ofSetColor(39);

ofNoFill();

ofDrawRectangle(this->cap_size.width * -0.5, this->cap_size.height * -0.5, this->cap_size.width, this->cap_size.height);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201229/

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2020年12月28日

Rainbow. Draw by openFrameworks

[ Video ]

[ About ]
Rainbow.

[ 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;

	vector<glm::vec3> location_list;
	vector<ofColor> base_color_list;

	glm::vec3 noise_seed;
	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_list;
	vector<float> line_with_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) {};

ofEasyCam cam;

vector<glm::vec3> location_list;

vector<ofColor> base_color_list;

glm::vec3 noise_seed;

vector<vector<glm::vec3>> log_list;

vector<ofColor> color_list;

vector<float> life_list;

vector<float> line_with_list;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	this->noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

	ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(100, 3);
	vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces();

	for (int x = -300; x <= 300; x += 300) {

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

			auto average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;
			this->location_list.push_back(average + glm::vec3(x, x, 0));
		}
	}

	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->base_color_list.push_back(color);
	}
}

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

	int radius = 3;

	while (this->log_list.size() < 550) {

		int location_index = ofRandom(this->location_list.size());
		vector<glm::vec3> log;
		log.push_back(this->location_list[location_index]);
		this->log_list.push_back(log);
		this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);
		this->life_list.push_back(270);
		this->line_with_list.push_back(ofRandom(2));
	}

	for (int i = this->log_list.size() - 1; i >= 0; i--) {

		this->life_list[i] -= 1;
		if (this->life_list[i] < 0) {

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

			continue;
		}

		auto x = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0025, this->noise_seed.x + ofGetFrameNum() * 0.005)), 0, 1, -25, 25);
		auto y = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0025, this->noise_seed.y + ofGetFrameNum() * 0.005)), 0, 1, -25, 25);
		auto z = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0025, this->noise_seed.z + ofGetFrameNum() * 0.005)), 0, 1, -25, 25);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(x, y, z));
	}
}

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

	this->cam.begin();
	ofRotateX(180);
	ofRotateY(ofGetFrameNum() * 0.75);

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

		ofSetLineWidth(this->line_with_list[i]);

		ofSetColor(this->color_list[i]);
		ofFill();
		ofDrawSphere(this->log_list[i].front(), 2);

		auto alpha = this->life_list[i] > 60 ? 255 : ofMap(this->life_list[i], 0, 60, 0, 255);
		ofSetColor(this->color_list[i], alpha);

		ofNoFill();
		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}

	this->cam.end();
}

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

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

100

101

102

103

104

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

this->noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(100, 3);

vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces();

for (int x = -300; x <= 300; x += 300) {

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

auto average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;

this->location_list.push_back(average + glm::vec3(x, x, 0));

}

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

this->base_color_list.push_back(color);

}

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

void ofApp::update() {

int radius = 3;

while (this->log_list.size() < 550) {

int location_index = ofRandom(this->location_list.size());

vector<glm::vec3> log;

log.push_back(this->location_list[location_index]);

this->log_list.push_back(log);

this->color_list.push_back(this->base_color_list[(int)ofRandom(this->base_color_list.size())]);

this->life_list.push_back(270);

this->line_with_list.push_back(ofRandom(2));

}

for (int i = this->log_list.size() - 1; i >= 0; i--) {

this->life_list[i] -= 1;

if (this->life_list[i] < 0) {

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

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

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

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

continue;

}

auto x = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0025, this->noise_seed.x + ofGetFrameNum() * 0.005)), 0, 1, -25, 25);

auto y = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0025, this->noise_seed.y + ofGetFrameNum() * 0.005)), 0, 1, -25, 25);

auto z = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0025, this->noise_seed.z + ofGetFrameNum() * 0.005)), 0, 1, -25, 25);

this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(x, y, z));

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum() * 0.75);

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

ofSetLineWidth(this->line_with_list[i]);

ofSetColor(this->color_list[i]);

ofFill();

ofDrawSphere(this->log_list[i].front(), 2);

auto alpha = this->life_list[i] > 60 ? 255 : ofMap(this->life_list[i], 0, 60, 0, 255);

ofSetColor(this->color_list[i], alpha);

ofNoFill();

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201228

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年11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