noise – ページ 225 – プログラミング de 落描き

2020年10月19日

Changing color. Draw by openFrameworks

[ Video ]

[ About ]
Changing color.

[ 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) {};

	ofEasyCam cam;
};

#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) {};

ofEasyCam cam;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);
}

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

	this->cam.begin();
	ofRotateY(90);

	int hue = ofGetFrameNum() % 255;
	ofColor color;

	int span = 15;
	ofMesh face, frame;
	frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	float frame_step = 0.04;
	float len_step = 0.002;

	auto noise_param = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));
	for (float len = ofGetWidth(); len > 0; len -= span) {

		int index = face.getNumVertices();

		auto loc = glm::vec3(
			len * ofMap(ofNoise(noise_param.x, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.3),
			len * ofMap(ofNoise(noise_param.y, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.3),
			len * ofMap(ofNoise(noise_param.z, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.3)
		);

		auto next = glm::vec3(
			(len - span) * ofMap(ofNoise(noise_param.x, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.3),
			(len - span) * ofMap(ofNoise(noise_param.y, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.3),
			(len - span) * ofMap(ofNoise(noise_param.z, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.3)
		);

		face.addVertex(glm::vec3(loc.x, loc.y, loc.z));
		face.addVertex(glm::vec3(-loc.x, loc.y, loc.z));
		face.addVertex(glm::vec3(-next.x, next.y, next.z));
		face.addVertex(glm::vec3(next.x, next.y, next.z));

		color.setHsb((int)(hue + len / 6) % 255, 255, 180);
		face.addColor(color);
		face.addColor(color);
		face.addColor(color);
		face.addColor(color);

		frame.addVertex(glm::vec3(loc.x, loc.y, loc.z));
		frame.addVertex(glm::vec3(-loc.x, loc.y, loc.z));
		frame.addVertex(glm::vec3(-next.x, next.y, next.z));
		frame.addVertex(glm::vec3(next.x, next.y, next.z));

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

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

	frame.addIndex(0); frame.addIndex(1);
	frame.addIndex(frame.getNumVertices() - 1); frame.addIndex(frame.getNumVertices() - 2);


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

		ofRotateX(45);

		ofSetColor(39);
		face.draw();

		ofSetColor(239);
		frame.drawWireframe();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(90);

int hue = ofGetFrameNum() % 255;

ofColor color;

int span = 15;

ofMesh face, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

float frame_step = 0.04;

float len_step = 0.002;

auto noise_param = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000));

for (float len = ofGetWidth(); len > 0; len -= span) {

int index = face.getNumVertices();

auto loc = glm::vec3(

len * ofMap(ofNoise(noise_param.x, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.3),

len * ofMap(ofNoise(noise_param.y, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.3),

len * ofMap(ofNoise(noise_param.z, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.3)

);

auto next = glm::vec3(

(len - span) * ofMap(ofNoise(noise_param.x, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.3),

(len - span) * ofMap(ofNoise(noise_param.y, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.3),

(len - span) * ofMap(ofNoise(noise_param.z, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.3)

);

face.addVertex(glm::vec3(loc.x, loc.y, loc.z));

face.addVertex(glm::vec3(-loc.x, loc.y, loc.z));

face.addVertex(glm::vec3(-next.x, next.y, next.z));

face.addVertex(glm::vec3(next.x, next.y, next.z));

color.setHsb((int)(hue + len / 6) % 255, 255, 180);

face.addColor(color);

frame.addVertex(glm::vec3(loc.x, loc.y, loc.z));

frame.addVertex(glm::vec3(-loc.x, loc.y, loc.z));

frame.addVertex(glm::vec3(-next.x, next.y, next.z));

frame.addVertex(glm::vec3(next.x, next.y, next.z));

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

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

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

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

}

frame.addIndex(0); frame.addIndex(1);

frame.addIndex(frame.getNumVertices() - 1); frame.addIndex(frame.getNumVertices() - 2);

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

ofRotateX(45);

ofSetColor(39);

face.draw();

ofSetColor(239);

frame.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201019

2020年10月18日2020年10月17日

Remake my 2017 post. Draw by openFrameworks

[ Video ]

[ About ]
2017年の投稿をリメイク。

Remake my 2017 post.

[ 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) {};

	ofEasyCam cam;
	glm::vec3 noise_param;
};

#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) {};

ofEasyCam cam;

glm::vec3 noise_param;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

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

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

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

	this->cam.begin();
	ofRotateY(90);

	int span = 15;
	ofMesh face, frame;
	frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	float frame_step = 0.04;
	float len_step = 0.002;
	for (float len = ofGetWidth(); len > 0; len -= span) {

		int index = face.getNumVertices();

		auto loc = glm::vec3(
			len * ofMap(ofNoise(this->noise_param.x, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.5),
			len * ofMap(ofNoise(this->noise_param.y, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.5),
			len * ofMap(ofNoise(this->noise_param.z, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.5)
		);

		auto next = glm::vec3(
			(len - span) * ofMap(ofNoise(this->noise_param.x, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.5),
			(len - span) * ofMap(ofNoise(this->noise_param.y, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.5),
			(len - span) * ofMap(ofNoise(this->noise_param.z, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.5)
		);

		face.addVertex(glm::vec3(loc.x, loc.y, loc.z));
		face.addVertex(glm::vec3(-loc.x, loc.y, loc.z));
		face.addVertex(glm::vec3(-next.x, next.y, next.z));
		face.addVertex(glm::vec3(next.x, next.y, next.z));

		frame.addVertex(glm::vec3(loc.x, loc.y, loc.z));
		frame.addVertex(glm::vec3(-loc.x, loc.y, loc.z));
		frame.addVertex(glm::vec3(-next.x, next.y, next.z));
		frame.addVertex(glm::vec3(next.x, next.y, next.z));

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

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

	frame.addIndex(0); frame.addIndex(1);
	frame.addIndex(frame.getNumVertices() - 1); frame.addIndex(frame.getNumVertices() - 2);


	for (int i = 0; i < 4; i++) {

		ofRotateX(90);

		ofSetColor(39);
		face.draw();

		ofSetColor(239);
		frame.drawWireframe();
	}

	this->cam.end();
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(239);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(90);

int span = 15;

ofMesh face, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

float frame_step = 0.04;

float len_step = 0.002;

for (float len = ofGetWidth(); len > 0; len -= span) {

int index = face.getNumVertices();

auto loc = glm::vec3(

len * ofMap(ofNoise(this->noise_param.x, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.5),

len * ofMap(ofNoise(this->noise_param.y, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.5),

len * ofMap(ofNoise(this->noise_param.z, ofGetFrameNum() * frame_step + len * len_step), 0, 1, 0, 0.5)

);

auto next = glm::vec3(

(len - span) * ofMap(ofNoise(this->noise_param.x, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.5),

(len - span) * ofMap(ofNoise(this->noise_param.y, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.5),

(len - span) * ofMap(ofNoise(this->noise_param.z, ofGetFrameNum() * frame_step + (len - span) * len_step), 0, 1, 0, 0.5)

);

face.addVertex(glm::vec3(loc.x, loc.y, loc.z));

face.addVertex(glm::vec3(-loc.x, loc.y, loc.z));

face.addVertex(glm::vec3(-next.x, next.y, next.z));

face.addVertex(glm::vec3(next.x, next.y, next.z));

frame.addVertex(glm::vec3(loc.x, loc.y, loc.z));

frame.addVertex(glm::vec3(-loc.x, loc.y, loc.z));

frame.addVertex(glm::vec3(-next.x, next.y, next.z));

frame.addVertex(glm::vec3(next.x, next.y, next.z));

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

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

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

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

}

frame.addIndex(0); frame.addIndex(1);

frame.addIndex(frame.getNumVertices() - 1); frame.addIndex(frame.getNumVertices() - 2);

for (int i = 0; i < 4; i++) {

ofRotateX(90);

ofSetColor(39);

face.draw();

ofSetColor(239);

frame.drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201018

2020年10月15日

Y-axis rotation. Draw by openFrameworks

[ Video ]

[ About ]
Y軸回転。

Y-axis 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;
	ofMesh face, frame;
};

#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 face, frame;

};

#include "ofApp.h"

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

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

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

	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

	this->face.clear();
	this->frame.clear();

	int deg_param = 15;
	int radius_span = 1;
	float noise_seed = ofRandom(1000);

	for (int deg_location = 0; deg_location < 360; deg_location += 90) {

		int start_index = this->frame.getNumVertices();
		for (int radius = 10; radius < 150; radius += radius_span) {

			int next_radius = radius + radius_span;
			int index = this->face.getNumVertices();

			float angle_y = ofMap(ofNoise(noise_seed, radius * 0.005 + ofGetFrameNum() * 0.008), 0, 1, PI * -1.5, PI * 1.5);
			auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

			float next_angle_y = ofMap(ofNoise(noise_seed, next_radius * 0.005 + ofGetFrameNum() * 0.008), 0, 1, PI * -1.5, PI * 1.5);
			auto next_rotation_y = glm::rotate(glm::mat4(), next_angle_y, glm::vec3(0, 1, 0));

			vector<glm::vec3> vertices;
			vertices.push_back(glm::vec4(radius * cos((deg_location + deg_param) * DEG_TO_RAD), radius * sin((deg_location + deg_param) * DEG_TO_RAD), 0, 0) * rotation_y);
			vertices.push_back(glm::vec4(radius * cos((deg_location - deg_param) * DEG_TO_RAD), radius * sin((deg_location - deg_param) * DEG_TO_RAD), 0, 0) * rotation_y);
			vertices.push_back(glm::vec4(next_radius * cos((deg_location - deg_param) * DEG_TO_RAD), next_radius * sin((deg_location - deg_param) * DEG_TO_RAD), 0, 0) * next_rotation_y);
			vertices.push_back(glm::vec4(next_radius * cos((deg_location + deg_param) * DEG_TO_RAD), next_radius * sin((deg_location + deg_param) * DEG_TO_RAD), 0, 0) * next_rotation_y);

			this->face.addVertices(vertices);
			this->frame.addVertices(vertices);

			this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2);
			this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

			this->frame.addIndex(index + 0); this->frame.addIndex(index + 3);
			this->frame.addIndex(index + 1); this->frame.addIndex(index + 2);
		}

		this->frame.addIndex(start_index + 0); this->frame.addIndex(start_index + 1);
		this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);
		
	}
}

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

	this->cam.begin();

	ofSetColor(39);
	this->face.draw();

	ofDrawSphere(5);

	ofSetColor(239);
	this->frame.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();

this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->frame.clear();

int deg_param = 15;

int radius_span = 1;

float noise_seed = ofRandom(1000);

for (int deg_location = 0; deg_location < 360; deg_location += 90) {

int start_index = this->frame.getNumVertices();

for (int radius = 10; radius < 150; radius += radius_span) {

int next_radius = radius + radius_span;

int index = this->face.getNumVertices();

float angle_y = ofMap(ofNoise(noise_seed, radius * 0.005 + ofGetFrameNum() * 0.008), 0, 1, PI * -1.5, PI * 1.5);

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

float next_angle_y = ofMap(ofNoise(noise_seed, next_radius * 0.005 + ofGetFrameNum() * 0.008), 0, 1, PI * -1.5, PI * 1.5);

auto next_rotation_y = glm::rotate(glm::mat4(), next_angle_y, glm::vec3(0, 1, 0));

vector<glm::vec3> vertices;

vertices.push_back(glm::vec4(radius * cos((deg_location + deg_param) * DEG_TO_RAD), radius * sin((deg_location + deg_param) * DEG_TO_RAD), 0, 0) * rotation_y);

vertices.push_back(glm::vec4(radius * cos((deg_location - deg_param) * DEG_TO_RAD), radius * sin((deg_location - deg_param) * DEG_TO_RAD), 0, 0) * rotation_y);

vertices.push_back(glm::vec4(next_radius * cos((deg_location - deg_param) * DEG_TO_RAD), next_radius * sin((deg_location - deg_param) * DEG_TO_RAD), 0, 0) * next_rotation_y);

vertices.push_back(glm::vec4(next_radius * cos((deg_location + deg_param) * DEG_TO_RAD), next_radius * sin((deg_location + deg_param) * DEG_TO_RAD), 0, 0) * next_rotation_y);

this->face.addVertices(vertices);

this->frame.addVertices(vertices);

this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2);

this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3);

this->frame.addIndex(index + 0); this->frame.addIndex(index + 3);

this->frame.addIndex(index + 1); this->frame.addIndex(index + 2);

}

this->frame.addIndex(start_index + 0); this->frame.addIndex(start_index + 1);

this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2);

}

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

void ofApp::draw() {

this->cam.begin();

ofSetColor(39);

this->face.draw();

ofDrawSphere(5);

ofSetColor(239);

this->frame.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20201015

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