noise – ページ 288 – プログラミング de 落描き

2019年11月25日2019年11月25日

Direction * Rotation. openFrameworks

[ Video ]

[ About ]
Direction * Rotation.

[ 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<vector<glm::vec3>> location_list;
	vector<glm::vec3> direction_list;
	vector<glm::vec3> 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) {};

ofEasyCam cam;

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

vector<glm::vec3> direction_list;

vector<glm::vec3> noise_seed_list;

vector<ofColor> color_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

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

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

	if (ofGetFrameNum() % 8 == 0) {

		vector<glm::vec3> tmp;
		tmp.push_back(glm::vec3());
		this->location_list.push_back(tmp);

		auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));
		direction = glm::normalize(direction) * 5;
		this->direction_list.push_back(direction);

		this->noise_seed_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));
		this->color_list.push_back(ofColor(39));
	}

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

		auto angle_x = ofMap(ofNoise(this->noise_seed_list[i].x, ofGetFrameNum() * 0.01), 0, 1, -PI, PI);
		auto angle_y = ofMap(ofNoise(this->noise_seed_list[i].y, ofGetFrameNum() * 0.01), 0, 1, -PI, PI);
		auto angle_z = ofMap(ofNoise(this->noise_seed_list[i].z, ofGetFrameNum() * 0.01), 0, 1, -PI, PI);

		auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
		auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
		auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

		glm::vec3 tmp_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x;
		
		this->location_list[i].push_back(this->location_list[i].back() + tmp_direction);

		auto len = glm::length(this->location_list[i].back());
		this->color_list[i] = len < 200 ? 39 : ofMap(len, 200, 300, 39, 239);

		if (glm::length(this->location_list[i].back()) > 300) {

			this->location_list.erase(this->location_list.begin() + i);
			this->direction_list.erase(this->direction_list.begin() + i);
			this->noise_seed_list.erase(this->noise_seed_list.begin() + i);
			this->color_list.erase(this->color_list.begin() + i);
		}

		while (this->location_list[i].size() > 30) {

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

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);

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

		ofSetColor(this->color_list[i]);

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

		ofFill();
		ofDrawSphere(this->location_list[i].back(), 3);
	}

	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();

}

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

void ofApp::update() {

if (ofGetFrameNum() % 8 == 0) {

vector<glm::vec3> tmp;

tmp.push_back(glm::vec3());

this->location_list.push_back(tmp);

auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1));

direction = glm::normalize(direction) * 5;

this->direction_list.push_back(direction);

this->noise_seed_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));

this->color_list.push_back(ofColor(39));

}

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

auto angle_x = ofMap(ofNoise(this->noise_seed_list[i].x, ofGetFrameNum() * 0.01), 0, 1, -PI, PI);

auto angle_y = ofMap(ofNoise(this->noise_seed_list[i].y, ofGetFrameNum() * 0.01), 0, 1, -PI, PI);

auto angle_z = ofMap(ofNoise(this->noise_seed_list[i].z, ofGetFrameNum() * 0.01), 0, 1, -PI, PI);

auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

glm::vec3 tmp_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x;

this->location_list[i].push_back(this->location_list[i].back() + tmp_direction);

auto len = glm::length(this->location_list[i].back());

this->color_list[i] = len < 200 ? 39 : ofMap(len, 200, 300, 39, 239);

if (glm::length(this->location_list[i].back()) > 300) {

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

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

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

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

}

while (this->location_list[i].size() > 30) {

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

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

ofSetColor(this->color_list[i]);

ofNoFill();

ofBeginShape();

ofVertices(this->location_list[i]);

ofEndShape();

ofFill();

ofDrawSphere(this->location_list[i].back(), 3);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191125

2019年11月22日

Difference in height. openFrameworks

[ Video ]

[ About ]
ノイズによる高低差。

Difference in height.

[ 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 mesh;
};

#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 mesh;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

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

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

	ofSeedRandom(39);

	this->mesh.clear();

	auto len = 300;
	auto span = 1;
	for (auto x = len * -0.5 + span * 0.5; x < len * 0.5; x += span) {

		for (auto y = len * -0.5 + span * 0.5; y < len * 0.5; y += span) {

			int z = ofMap(ofNoise(x * 0.015, y * 0.015 + ofGetFrameNum() * 0.02), 0, 1, 0, 50);
			z = z - z % 10;

			this->mesh.addVertex(glm::vec3(x, y, z));
			this->mesh.addColor(ofColor(ofMap(z, 0, 50, 39, 239)));
		}
	}

	int n = len / span;
	for(auto x = 1; x < n; x++){

		for (auto y = 1; y < n; y++) {

			this->mesh.addIndex(x + y * n); 
			this->mesh.addIndex((x - 1) + (y - 1) * n);
			this->mesh.addIndex((x - 1) + y * n);

			this->mesh.addIndex(x + y * n);
			this->mesh.addIndex((x - 1) + (y - 1) * n);
			this->mesh.addIndex(x + (y - 1) * n);
		}
	}

}

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

	this->cam.begin();
	ofRotateX(315);

	this->mesh.draw();

	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();

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

auto len = 300;

auto span = 1;

for (auto x = len * -0.5 + span * 0.5; x < len * 0.5; x += span) {

for (auto y = len * -0.5 + span * 0.5; y < len * 0.5; y += span) {

int z = ofMap(ofNoise(x * 0.015, y * 0.015 + ofGetFrameNum() * 0.02), 0, 1, 0, 50);

z = z - z % 10;

this->mesh.addVertex(glm::vec3(x, y, z));

this->mesh.addColor(ofColor(ofMap(z, 0, 50, 39, 239)));

}

int n = len / span;

for(auto x = 1; x < n; x++){

for (auto y = 1; y < n; y++) {

this->mesh.addIndex(x + y * n);

this->mesh.addIndex((x - 1) + (y - 1) * n);

this->mesh.addIndex((x - 1) + y * n);

this->mesh.addIndex(x + y * n);

this->mesh.addIndex((x - 1) + (y - 1) * n);

this->mesh.addIndex(x + (y - 1) * n);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(315);

this->mesh.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191122

2019年11月19日

Strap is flapping. openFrameworks

[ Video ]

[ About ]
はためく帯。

Strap is flapping.

[ 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<ofMesh> face_mesh_list, frame_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 windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

vector<ofMesh> face_mesh_list, frame_mesh_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);
	ofSetColor(39);
	ofEnableDepthTest();
}

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

	this->face_mesh_list.clear();
	this->frame_mesh_list.clear();

	auto width = 15;
	for (auto x = -250; x <= 250; x += width * 2) {

		ofMesh face_mesh, frame_mesh;
		frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		for (auto y = -200; y < 200; y += 1) {

			int index = face_mesh.getVertices().size();
			auto z_1 = ofMap(ofNoise(x * 0.015, y * 0.003 + ofGetFrameNum() * 0.005), 0, 1, -50, 50);
			auto z_2 = ofMap(ofNoise(x * 0.015, (y + 1) * 0.003 + ofGetFrameNum() * 0.005), 0, 1, -50, 50);

			face_mesh.addVertex(glm::vec3(x - width * 0.5, y, z_1));
			face_mesh.addVertex(glm::vec3(x + width * 0.5, y, z_1));
			face_mesh.addVertex(glm::vec3(x + width * 0.5, y + 1, z_2));
			face_mesh.addVertex(glm::vec3(x - width * 0.5, y + 1, z_2));

			face_mesh.addIndex(index + 0); face_mesh.addIndex(index + 1); face_mesh.addIndex(index + 2);
			face_mesh.addIndex(index + 0); face_mesh.addIndex(index + 2); face_mesh.addIndex(index + 3);

			frame_mesh.addVertex(glm::vec3(x - width * 0.5, y, z_1));
			frame_mesh.addVertex(glm::vec3(x + width * 0.5, y, z_1));
			frame_mesh.addVertex(glm::vec3(x + width * 0.5, y + 1, z_2));
			frame_mesh.addVertex(glm::vec3(x - width * 0.5, y + 1, z_2));

			frame_mesh.addIndex(index + 0); frame_mesh.addIndex(index + 3);
			frame_mesh.addIndex(index + 1); frame_mesh.addIndex(index + 2);
		}

		frame_mesh.addIndex(0); frame_mesh.addIndex(1);
		frame_mesh.addIndex(frame_mesh.getVertices().size() - 2); frame_mesh.addIndex(frame_mesh.getVertices().size() - 1);

		this->face_mesh_list.push_back(face_mesh);
		this->frame_mesh_list.push_back(frame_mesh);
	}
}

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

	this->cam.begin();

	ofSetColor(39);
	for (auto& face_mesh : this->face_mesh_list) {

		face_mesh.drawFaces();
	}

	ofSetColor(239);
	for (auto& frame_mesh : this->frame_mesh_list) {

		frame_mesh.drawWireframe();
	}

	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);

ofSetColor(39);

ofEnableDepthTest();

}

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

void ofApp::update() {

this->face_mesh_list.clear();

this->frame_mesh_list.clear();

auto width = 15;

for (auto x = -250; x <= 250; x += width * 2) {

ofMesh face_mesh, frame_mesh;

frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (auto y = -200; y < 200; y += 1) {

int index = face_mesh.getVertices().size();

auto z_1 = ofMap(ofNoise(x * 0.015, y * 0.003 + ofGetFrameNum() * 0.005), 0, 1, -50, 50);

auto z_2 = ofMap(ofNoise(x * 0.015, (y + 1) * 0.003 + ofGetFrameNum() * 0.005), 0, 1, -50, 50);

face_mesh.addVertex(glm::vec3(x - width * 0.5, y, z_1));

face_mesh.addVertex(glm::vec3(x + width * 0.5, y, z_1));

face_mesh.addVertex(glm::vec3(x + width * 0.5, y + 1, z_2));

face_mesh.addVertex(glm::vec3(x - width * 0.5, y + 1, z_2));

face_mesh.addIndex(index + 0); face_mesh.addIndex(index + 1); face_mesh.addIndex(index + 2);

face_mesh.addIndex(index + 0); face_mesh.addIndex(index + 2); face_mesh.addIndex(index + 3);

frame_mesh.addVertex(glm::vec3(x - width * 0.5, y, z_1));

frame_mesh.addVertex(glm::vec3(x + width * 0.5, y, z_1));

frame_mesh.addVertex(glm::vec3(x + width * 0.5, y + 1, z_2));

frame_mesh.addVertex(glm::vec3(x - width * 0.5, y + 1, z_2));

frame_mesh.addIndex(index + 0); frame_mesh.addIndex(index + 3);

frame_mesh.addIndex(index + 1); frame_mesh.addIndex(index + 2);

}

frame_mesh.addIndex(0); frame_mesh.addIndex(1);

frame_mesh.addIndex(frame_mesh.getVertices().size() - 2); frame_mesh.addIndex(frame_mesh.getVertices().size() - 1);

this->face_mesh_list.push_back(face_mesh);

this->frame_mesh_list.push_back(frame_mesh);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39);

for (auto& face_mesh : this->face_mesh_list) {

face_mesh.drawFaces();

}

ofSetColor(239);

for (auto& frame_mesh : this->frame_mesh_list) {

frame_mesh.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191119

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