2020年12月 – ページ 2 – プログラミング de 落描き

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());
}

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#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

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2020年12月27日

Grow and wither. Draw by openframeworks

[ Video ]

[ About ]
成長して枯れる。

Grow and wither.

[ 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;

	glm::vec3 noise_seed;
	vector<vector<glm::vec3>> log_list;
	vector<ofColor> color_list;
	vector<float> life_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;

glm::vec3 noise_seed;

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

vector<ofColor> color_list;

vector<float> life_list;

};

#include "ofApp.h"	

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

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

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

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

		ofPoint average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3;
		this->location_list.push_back(average);
	}
}

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

	int radius = 3;

	while (this->log_list.size() < 450) {

		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(ofColor(ofRandom(39, 139)));
		this->life_list.push_back(270);
	}

	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);

			continue;
		}

		auto x = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0065, this->noise_seed.x + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);
		auto y = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0065, this->noise_seed.y + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);
		auto z = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0065, this->noise_seed.z + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);
		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++) {

		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());
}

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(3);

ofEnableDepthTest();

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

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

this->location_list.push_back(average);

}

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

void ofApp::update() {

int radius = 3;

while (this->log_list.size() < 450) {

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(ofColor(ofRandom(39, 139)));

this->life_list.push_back(270);

}

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);

continue;

}

auto x = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0065, this->noise_seed.x + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);

auto y = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0065, this->noise_seed.y + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);

auto z = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.0065, this->noise_seed.z + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);

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++) {

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/Insta20201227

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2020年12月26日

3D noise walk line from A. Draw by openFrameworks

[ Video ]

[ About ]
3D noise walk line from A.

[ 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;

	ofTrueTypeFont font;
	string word;
	vector<glm::vec3> font_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;
};

#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;

ofTrueTypeFont font;

string word;

vector<glm::vec3> font_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;

};

#include "ofApp.h"	

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

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

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

	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);
	}

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

	this->font.loadFont("fonts/Kazesawa-Bold.ttf", 500, true, true, true);
	this->word = "A";
	int sample_count = 500;
	vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);
	for (int word_index = 0; word_index < word_path.size(); word_index++) {

		vector<ofPolyline> outline = word_path[word_index].getOutline();
		for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

			outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);
			vector<glm::vec3> vertices = outline[outline_index].getVertices();
			for (auto& vertex : vertices) {

				vertex = vertex + glm::vec3(this->font.stringWidth(this->word) * -0.5, this->font.stringHeight(this->word) * 0.5, 0);
			}
			this->font_location_list.insert(this->font_location_list.end(), vertices.begin(), vertices.end());
		}
	}
}

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

	int radius = 3;
	while (this->log_list.size() < 2500) {

		int font_location_index = ofRandom(this->font_location_list.size());
		vector<glm::vec3> log;
		log.push_back(this->font_location_list[font_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(ofRandom(90));
	}

	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);

			continue;
		}

		auto x = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.003, this->noise_seed.x + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);
		auto y = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.003, this->noise_seed.y + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);
		auto z = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.003, this->noise_seed.z + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);
		this->log_list[i].push_back(this->log_list[i].back() + glm::vec3(x, y, z));
		while (this->log_list[i].size() > 90) {

			this->log_list[i].erase(this->log_list[i].begin());
		}
	}
}

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

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

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

		ofSetColor(this->color_list[i]);

		if (this->life_list[i] > 30) {

			ofSetLineWidth(1);
		}
		else {

			ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1));
		}

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

	this->cam.end();
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofNoFill();

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

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);

}

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

this->font.loadFont("fonts/Kazesawa-Bold.ttf", 500, true, true, true);

this->word = "A";

int sample_count = 500;

vector<ofPath> word_path = this->font.getStringAsPoints(word, true, false);

for (int word_index = 0; word_index < word_path.size(); word_index++) {

vector<ofPolyline> outline = word_path[word_index].getOutline();

for (int outline_index = 0; outline_index < outline.size(); outline_index++) {

outline[outline_index] = outline[outline_index].getResampledByCount(sample_count);

vector<glm::vec3> vertices = outline[outline_index].getVertices();

for (auto& vertex : vertices) {

vertex = vertex + glm::vec3(this->font.stringWidth(this->word) * -0.5, this->font.stringHeight(this->word) * 0.5, 0);

}

this->font_location_list.insert(this->font_location_list.end(), vertices.begin(), vertices.end());

}

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

void ofApp::update() {

int radius = 3;

while (this->log_list.size() < 2500) {

int font_location_index = ofRandom(this->font_location_list.size());

vector<glm::vec3> log;

log.push_back(this->font_location_list[font_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(ofRandom(90));

}

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);

continue;

}

auto x = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.003, this->noise_seed.x + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);

auto y = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.003, this->noise_seed.y + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);

auto z = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.003, this->noise_seed.z + ofGetFrameNum() * 0.005)), 0, 1, -15, 15);

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

while (this->log_list[i].size() > 90) {

this->log_list[i].erase(this->log_list[i].begin());

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofRotateY(ofGetFrameNum());

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

ofSetColor(this->color_list[i]);

if (this->life_list[i] > 30) {

ofSetLineWidth(1);

}

else {

ofSetLineWidth(ofMap(this->life_list[i], 0, 30, 0, 1));

}

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/Insta20201226

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2020年12月
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