ofMesh – ページ 218 – プログラミング de 落描き

2019年11月26日2019年11月26日

Creative coding party popper. openFrameworks

[ Video ]

[ About ]
クリエイティブ・コーディング・クラッカー🎉

Creative coding party popper🎉

[ 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> mesh_list;
	vector<ofMesh> frame_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<ofMesh> mesh_list;

vector<ofMesh> frame_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(3);
	ofEnableDepthTest();
}

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

	if (ofGetFrameNum() % 10 == 0) {

		ofMesh mesh, frame;
		frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
		int r = ofRandom(3);
		switch (r) {
		case 0:
			mesh.addVertex(glm::vec3(5, 0, 0));
			mesh.addVertex(glm::vec3(-5, 0, 0));
			frame.addVertex(glm::vec3(5, 0, 0));
			frame.addVertex(glm::vec3(-5, 0, 0));
			break;
		case 1:
			mesh.addVertex(glm::vec3(0, 5, 0));
			mesh.addVertex(glm::vec3(0, -5, 0));
			frame.addVertex(glm::vec3(0, 5, 0));
			frame.addVertex(glm::vec3(0, -5, 0));
			break;
		case 2:
			mesh.addVertex(glm::vec3(0, 0, 5));
			mesh.addVertex(glm::vec3(0, 0, -5));
			frame.addVertex(glm::vec3(0, 0, 5));
			frame.addVertex(glm::vec3(0, 0, -5));
			break;
		}
		this->mesh_list.push_back(mesh);
		this->frame_list.push_back(frame);

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

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

		ofColor color;
		color.setHsb(ofRandom(255), 180, 230);
		this->color_list.push_back(color);
	}

	for (int i = this->mesh_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 rotate_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x;

		auto right = this->mesh_list[i].getVertex(this->mesh_list[i].getNumVertices() - 2);
		auto left = this->mesh_list[i].getVertex(this->mesh_list[i].getNumVertices() - 1);
		
		this->mesh_list[i].addVertex(right + rotate_direction);
		this->mesh_list[i].addVertex(left + rotate_direction);

		this->frame_list[i].addVertex(right + rotate_direction);
		this->frame_list[i].addVertex(left + rotate_direction);

		int index = this->mesh_list[i].getNumVertices() - 1;
		this->mesh_list[i].addIndex(index); this->mesh_list[i].addIndex(index - 2); this->mesh_list[i].addIndex(index - 3);
		this->mesh_list[i].addIndex(index); this->mesh_list[i].addIndex(index - 1); this->mesh_list[i].addIndex(index - 3);

		this->frame_list[i].addIndex(index); this->frame_list[i].addIndex(index - 2);
		this->frame_list[i].addIndex(index - 1); this->frame_list[i].addIndex(index - 3);

		auto num = this->mesh_list[i].getNumVertices();
		this->color_list[i] = num < 300 ? this->color_list[i] : ofColor(this->color_list[i], ofMap(num, 300, 450, 255, 0));
		if (num > 450) {

			this->mesh_list.erase(this->mesh_list.begin() + i);
			this->frame_list.erase(this->frame_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);
		}
	}
}

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

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

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

		ofSetColor(this->color_list[i]);
		this->mesh_list[i].draw();
		
		ofSetColor(239);
		this->frame_list[i].drawWireframe();
	}

	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(239);

ofSetLineWidth(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

if (ofGetFrameNum() % 10 == 0) {

ofMesh mesh, frame;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

int r = ofRandom(3);

switch (r) {

case 0:

mesh.addVertex(glm::vec3(5, 0, 0));

mesh.addVertex(glm::vec3(-5, 0, 0));

frame.addVertex(glm::vec3(5, 0, 0));

frame.addVertex(glm::vec3(-5, 0, 0));

break;

case 1:

mesh.addVertex(glm::vec3(0, 5, 0));

mesh.addVertex(glm::vec3(0, -5, 0));

frame.addVertex(glm::vec3(0, 5, 0));

frame.addVertex(glm::vec3(0, -5, 0));

break;

case 2:

mesh.addVertex(glm::vec3(0, 0, 5));

mesh.addVertex(glm::vec3(0, 0, -5));

frame.addVertex(glm::vec3(0, 0, 5));

frame.addVertex(glm::vec3(0, 0, -5));

break;

}

this->mesh_list.push_back(mesh);

this->frame_list.push_back(frame);

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

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

this->direction_list.push_back(direction);

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

this->noise_seed_list.push_back(noise_seed);

ofColor color;

color.setHsb(ofRandom(255), 180, 230);

this->color_list.push_back(color);

}

for (int i = this->mesh_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 rotate_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x;

auto right = this->mesh_list[i].getVertex(this->mesh_list[i].getNumVertices() - 2);

auto left = this->mesh_list[i].getVertex(this->mesh_list[i].getNumVertices() - 1);

this->mesh_list[i].addVertex(right + rotate_direction);

this->mesh_list[i].addVertex(left + rotate_direction);

this->frame_list[i].addVertex(right + rotate_direction);

this->frame_list[i].addVertex(left + rotate_direction);

int index = this->mesh_list[i].getNumVertices() - 1;

this->mesh_list[i].addIndex(index); this->mesh_list[i].addIndex(index - 2); this->mesh_list[i].addIndex(index - 3);

this->mesh_list[i].addIndex(index); this->mesh_list[i].addIndex(index - 1); this->mesh_list[i].addIndex(index - 3);

this->frame_list[i].addIndex(index); this->frame_list[i].addIndex(index - 2);

this->frame_list[i].addIndex(index - 1); this->frame_list[i].addIndex(index - 3);

auto num = this->mesh_list[i].getNumVertices();

this->color_list[i] = num < 300 ? this->color_list[i] : ofColor(this->color_list[i], ofMap(num, 300, 450, 255, 0));

if (num > 450) {

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

this->frame_list.erase(this->frame_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);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

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

ofSetColor(this->color_list[i]);

this->mesh_list[i].draw();

ofSetColor(239);

this->frame_list[i].drawWireframe();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191126

2019年11月24日

Wave lines. openFrameworks

[ Video ]

[ About ]
波波線。

Wave lines.

[ 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;
};

#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;

};

#include "ofApp.h"

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

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

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

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

	ofSeedRandom(39);
} 

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

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

	ofMesh face_mesh, frame_mesh;
	frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	for (auto radius = 50; radius < 300; radius += 20) {

		ofPushMatrix();

		ofRotateZ(ofRandom(360));
		ofRotateY(ofRandom(360));
		ofRotateX(ofRandom(360));

		for (auto deg = 0; deg < 360; deg++) {

			auto index = face_mesh.getVertices().size();
			vector<glm::vec3> vertices;

			auto z = radius * 0.05 * sin((deg + ofGetFrameNum() * 0.5) * 15 * DEG_TO_RAD);
			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z - 10));
			vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z + 10));
			z = radius * 0.05 * sin((deg + ofGetFrameNum() * 0.5 + 1) * 15 * DEG_TO_RAD);
			vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), z + 10));
			vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), z - 10));

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

		ofSetColor(239);
		face_mesh.drawFaces();

		ofSetColor(39);
		frame_mesh.drawWireframe();

		face_mesh.clear();
		frame_mesh.clear();
		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(3);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofMesh face_mesh, frame_mesh;

frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (auto radius = 50; radius < 300; radius += 20) {

ofPushMatrix();

ofRotateZ(ofRandom(360));

ofRotateY(ofRandom(360));

ofRotateX(ofRandom(360));

for (auto deg = 0; deg < 360; deg++) {

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

vector<glm::vec3> vertices;

auto z = radius * 0.05 * sin((deg + ofGetFrameNum() * 0.5) * 15 * DEG_TO_RAD);

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z - 10));

vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z + 10));

z = radius * 0.05 * sin((deg + ofGetFrameNum() * 0.5 + 1) * 15 * DEG_TO_RAD);

vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), z + 10));

vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), z - 10));

face_mesh.addVertices(vertices);

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.addVertices(vertices);

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

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

}

ofSetColor(239);

face_mesh.drawFaces();

ofSetColor(39);

frame_mesh.drawWireframe();

face_mesh.clear();

frame_mesh.clear();

ofPopMatrix();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191124

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

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