noise – ページ 158 – プログラミング de 落描き

2021年9月1日2021年9月1日

Sprouting. Draw by openFrameworks

[ Video ]

[ About ]
ofIcoSpherePrimitiveから取得した面を、球体の中心からの距離を変化させる。

Vary the distance of the surface obtained from the ofIcoSpherePrimitive from the center of the sphere.

[ 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;
	ofIcoSpherePrimitive ico_sphere;
	ofMesh mesh, 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;

ofIcoSpherePrimitive ico_sphere;

ofMesh mesh, frame;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofEnableDepthTest();

	this->ico_sphere = ofIcoSpherePrimitive(65, 2);
	this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
}

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

	ofSeedRandom(39);

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

	int radius_start = 65;
	int radius_max = 180;
	for (auto& triangle : this->ico_sphere.getMesh().getUniqueFaces()) {
		
		auto avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;
		auto noise_value = ofNoise(glm::vec4(avg * 0.008, ofGetFrameNum() * 0.01));
		int radius_end = noise_value > 0.6 ? ofMap(noise_value, 0.6, 1, radius_start, radius_max) : radius_start;
		this->frame.addVertex(glm::vec3());
		for (int radius = radius_start; radius <= radius_end; radius += 1) {

			auto mesh_index = this->mesh.getNumVertices();
			auto frame_index = this->frame.getNumVertices();

			auto param = ofMap(radius, radius_start, radius_max, 0, PI * 0.15);

			auto angle_x = ofMap(ofNoise(avg.x * 0.8, radius * 0.03 + ofGetFrameNum() * 0.01), 0, 1, -param, param);
			auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));
			auto angle_y = ofMap(ofNoise(avg.y * 0.8, radius * 0.03 + ofGetFrameNum() * 0.01), 0, 1, -param, param);
			auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));
			auto angle_z = ofMap(ofNoise(avg.z * 0.8, radius * 0.03 + ofGetFrameNum() * 0.01), 0, 1, -param, param);
			auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

			auto loc = glm::normalize(avg) * radius;

			if (radius == radius_end) {

				this->mesh.addVertex(glm::vec4(loc + triangle.getVertex(0) - avg, 0) * rotation_z * rotation_y * rotation_x);
				this->mesh.addVertex(glm::vec4(loc + triangle.getVertex(1) - avg, 0) * rotation_z * rotation_y * rotation_x);
				this->mesh.addVertex(glm::vec4(loc + triangle.getVertex(2) - avg, 0) * rotation_z * rotation_y * rotation_x);

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

			this->frame.addVertex(glm::vec4(loc, 0) * rotation_z * rotation_y * rotation_x);
			this->frame.addIndex(frame_index + 0); this->frame.addIndex(frame_index - 1);
		}
	}
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.37);
	ofRotateY(ofGetFrameNum() * 0.72);

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

	ofSetColor(0);
	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(0);

ofEnableDepthTest();

this->ico_sphere = ofIcoSpherePrimitive(65, 2);

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->mesh.clear();

this->frame.clear();

int radius_start = 65;

int radius_max = 180;

for (auto& triangle : this->ico_sphere.getMesh().getUniqueFaces()) {

auto avg = (triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3;

auto noise_value = ofNoise(glm::vec4(avg * 0.008, ofGetFrameNum() * 0.01));

int radius_end = noise_value > 0.6 ? ofMap(noise_value, 0.6, 1, radius_start, radius_max) : radius_start;

this->frame.addVertex(glm::vec3());

for (int radius = radius_start; radius <= radius_end; radius += 1) {

auto mesh_index = this->mesh.getNumVertices();

auto frame_index = this->frame.getNumVertices();

auto param = ofMap(radius, radius_start, radius_max, 0, PI * 0.15);

auto angle_x = ofMap(ofNoise(avg.x * 0.8, radius * 0.03 + ofGetFrameNum() * 0.01), 0, 1, -param, param);

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

auto angle_y = ofMap(ofNoise(avg.y * 0.8, radius * 0.03 + ofGetFrameNum() * 0.01), 0, 1, -param, param);

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

auto angle_z = ofMap(ofNoise(avg.z * 0.8, radius * 0.03 + ofGetFrameNum() * 0.01), 0, 1, -param, param);

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

auto loc = glm::normalize(avg) * radius;

if (radius == radius_end) {

this->mesh.addVertex(glm::vec4(loc + triangle.getVertex(0) - avg, 0) * rotation_z * rotation_y * rotation_x);

this->mesh.addVertex(glm::vec4(loc + triangle.getVertex(1) - avg, 0) * rotation_z * rotation_y * rotation_x);

this->mesh.addVertex(glm::vec4(loc + triangle.getVertex(2) - avg, 0) * rotation_z * rotation_y * rotation_x);

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

}

this->frame.addVertex(glm::vec4(loc, 0) * rotation_z * rotation_y * rotation_x);

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.37);

ofRotateY(ofGetFrameNum() * 0.72);

ofSetColor(239);

this->frame.drawWireframe();

this->mesh.drawWireframe();

ofSetColor(0);

this->mesh.draw();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210901

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2021年8月31日2021年8月31日

Rising intersection. Draw by openFrameworks

[ Video ]

[ About ]
床と波を管理して、それぞれの距離で高さを変える。

Manage the floor and the waves, varying the height at each distance.

[ 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) {};

	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor color);
	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor color);

	vector<pair<glm::vec2, float>> box_info_list;
	vector<ofColor> box_color_list;
	vector<pair<glm::vec2, float>> wave_list;
	float size;

	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) {};

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor color);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor color);

vector<pair<glm::vec2, float>> box_info_list;

vector<ofColor> box_color_list;

vector<pair<glm::vec2, float>> wave_list;

float size;

ofEasyCam cam;

ofMesh face, frame;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofSetLineWidth(0.5);
	ofEnableDepthTest();

	this->size = 5;
	ofColor color;
	for (auto x = -450; x <= 450; x += this->size) {

		for (auto y = -450; y <= 450; y += this->size) {

			this->box_info_list.push_back(make_pair(glm::vec2(x, y), 0.f));

			color.setHsb(ofRandom(255), 130, 255);
			this->box_color_list.push_back(color);
		}
	}

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

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

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

	if (ofGetFrameNum() % 20 == 0) {

		auto l = glm::vec2(ofRandom(-250, 250), ofRandom(-250, 250));
		auto f = 5;
		this->wave_list.push_back(make_pair(l, f));
	}

	auto max_height = 150;
	for (auto& wave : this->wave_list) {

		for (auto& box_info : this->box_info_list) {

			auto distance = glm::distance(wave.first, glm::vec2(box_info.first.x, box_info.first.y));
			if (distance > wave.second - 10 && distance < wave.second + 10) {

				box_info.second = (box_info.second >= 1) ? 1 : box_info.second + ofMap(abs(distance - wave.second), 0, 20, 0.125, 0);
			}
			else {

				box_info.second = (box_info.second <= 0) ? 0 : box_info.second - 0.018;
			}		
		}

		wave.second += 3;
	}

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

		auto& box_info = this->box_info_list[i];
		if (box_info.second > 0) {

			auto len = ofMap(ofNoise(box_info.first.x * 0.02, box_info.first.y * 0.02, ofGetFrameNum() * 0.01), 0, 1, 0, max_height * box_info.second);
			this->setBoxToMesh(this->face, this->frame, glm::vec3(box_info.first.x, box_info.first.y, len * 0.5), this->size, this->size, len, this->box_color_list[i]);
		}
		else {

			color.setHsb(ofRandom(255), 130, 255);
			this->box_color_list[i] = color;
		}
	}

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

		if (this->wave_list[i].second > 450) {

			this->wave_list.erase(this->wave_list.begin() + i);
		}
	}
}

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

	this->cam.begin();
	ofRotateX(295);

	this->face.drawFaces();

	ofSetColor(39);
	this->frame.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor color) {

	this->setBoxToMesh(face_target, frame_target, location, size, size, size, color);
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor color) {

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

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * 0.5 * 0.999, depth * -0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * 0.5 * 0.999, depth * -0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * 0.5 * 0.999, depth * 0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * 0.5 * 0.999, depth * 0.5 * 0.999));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * -0.5 * 0.999, depth * -0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * -0.5 * 0.999, depth * -0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * -0.5 * 0.999, depth * 0.5 * 0.999));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * -0.5 * 0.999, depth * 0.5 * 0.999));

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

	face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

	face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);
	face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

	face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

	face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);
	face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

	face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);
	face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

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

	frame_target.addIndex(index + 4); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);
	frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

	frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);

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

		face_target.addColor(ofColor(color));

	}
}

//--------------------------------------------------------------
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(0.5);

ofEnableDepthTest();

this->size = 5;

ofColor color;

for (auto x = -450; x <= 450; x += this->size) {

for (auto y = -450; y <= 450; y += this->size) {

this->box_info_list.push_back(make_pair(glm::vec2(x, y), 0.f));

color.setHsb(ofRandom(255), 130, 255);

this->box_color_list.push_back(color);

}

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

}

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

void ofApp::update() {

this->face.clear();

this->frame.clear();

if (ofGetFrameNum() % 20 == 0) {

auto l = glm::vec2(ofRandom(-250, 250), ofRandom(-250, 250));

auto f = 5;

this->wave_list.push_back(make_pair(l, f));

}

auto max_height = 150;

for (auto& wave : this->wave_list) {

for (auto& box_info : this->box_info_list) {

auto distance = glm::distance(wave.first, glm::vec2(box_info.first.x, box_info.first.y));

if (distance > wave.second - 10 && distance < wave.second + 10) {

box_info.second = (box_info.second >= 1) ? 1 : box_info.second + ofMap(abs(distance - wave.second), 0, 20, 0.125, 0);

}

else {

box_info.second = (box_info.second <= 0) ? 0 : box_info.second - 0.018;

}

wave.second += 3;

}

ofColor color;

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

auto& box_info = this->box_info_list[i];

if (box_info.second > 0) {

auto len = ofMap(ofNoise(box_info.first.x * 0.02, box_info.first.y * 0.02, ofGetFrameNum() * 0.01), 0, 1, 0, max_height * box_info.second);

this->setBoxToMesh(this->face, this->frame, glm::vec3(box_info.first.x, box_info.first.y, len * 0.5), this->size, this->size, len, this->box_color_list[i]);

}

else {

color.setHsb(ofRandom(255), 130, 255);

this->box_color_list[i] = color;

}

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

if (this->wave_list[i].second > 450) {

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(295);

this->face.drawFaces();

ofSetColor(39);

this->frame.drawWireframe();

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size, ofColor color) {

this->setBoxToMesh(face_target, frame_target, location, size, size, size, color);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth, ofColor color) {

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

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * 0.5 * 0.999, depth * -0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * 0.5 * 0.999, depth * -0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * 0.5 * 0.999, depth * 0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * 0.5 * 0.999, depth * 0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * -0.5 * 0.999, depth * -0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * -0.5 * 0.999, depth * -0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.999, height * -0.5 * 0.999, depth * 0.5 * 0.999));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.999, height * -0.5 * 0.999, depth * 0.5 * 0.999));

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

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

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);

face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

frame_target.addIndex(index + 0); frame_target.addIndex(index + 1);

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

frame_target.addIndex(index + 2); frame_target.addIndex(index + 3);

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

frame_target.addIndex(index + 4); frame_target.addIndex(index + 5);

frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);

frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);

frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);

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

face_target.addColor(ofColor(color));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210831

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2021年8月30日2021年8月30日

Product of coding mistakes. Draw by openFrameworks

[ Video ]

[ About ]
コーディングを間違えてしまいましたが、見た目は良いので良しとします。

I made a coding mistake, but it looks good, so that’s good.

[ 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_list, frame_list, edge_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_list, frame_list, edge_list;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();
}

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

	ofSeedRandom(39);

	this->face_list.clear();
	this->frame_list.clear();
	this->edge_list.clear();

	auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01);

	for (int radius = 50; radius < 350; radius += 30) {

		ofMesh face, frame, edge;
		frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

		for (int deg = 0; deg <= 360; deg += 1) {

			auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));
			auto z = ofMap(ofNoise(glm::vec3(location * 0.005, ofGetFrameNum() * 0.05)), 0, 1, 0, radius) * ofMap(noise_value, 0, 1, 0, 2);
			auto line_z =  z / 10; // 正しくは、z * 1.1;

			face.addVertex(glm::vec3(location, 0));
			face.addVertex(glm::vec3(location, z));

			frame.addVertex(glm::vec3(location, 0));
			frame.addVertex(glm::vec3(location, z));

			edge.addVertex(glm::vec3(location, z));
			edge.addVertex(glm::vec3(location, line_z));

			edge.addColor(ofColor(39));
			edge.addColor(ofColor(239));

			if (face.getNumVertices() > 2) {

				face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4);
				face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

				frame.addIndex(frame.getNumVertices() - 1); frame.addIndex(frame.getNumVertices() - 3);
				frame.addIndex(frame.getNumVertices() - 2); frame.addIndex(frame.getNumVertices() - 4);

				edge.addIndex(face.getNumVertices() - 1); edge.addIndex(face.getNumVertices() - 2); edge.addIndex(face.getNumVertices() - 4);
				edge.addIndex(face.getNumVertices() - 1); edge.addIndex(face.getNumVertices() - 3); edge.addIndex(face.getNumVertices() - 4);
			}
		}

		this->face_list.push_back(face);
		this->frame_list.push_back(frame);
		this->edge_list.push_back(edge);
	}
}

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

	this->cam.begin();

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

		ofSetColor(39);
		this->face_list[i].drawFaces();

		ofSetColor(239);
		this->frame_list[i].drawWireframe();
		this->edge_list[i].drawFaces();
	}

	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);

ofEnableDepthTest();

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face_list.clear();

this->frame_list.clear();

this->edge_list.clear();

auto noise_value = ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01);

for (int radius = 50; radius < 350; radius += 30) {

ofMesh face, frame, edge;

frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

for (int deg = 0; deg <= 360; deg += 1) {

auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD));

auto z = ofMap(ofNoise(glm::vec3(location * 0.005, ofGetFrameNum() * 0.05)), 0, 1, 0, radius) * ofMap(noise_value, 0, 1, 0, 2);

auto line_z = z / 10; // 正しくは、z * 1.1;

face.addVertex(glm::vec3(location, 0));

face.addVertex(glm::vec3(location, z));

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

frame.addVertex(glm::vec3(location, z));

edge.addVertex(glm::vec3(location, z));

edge.addVertex(glm::vec3(location, line_z));

edge.addColor(ofColor(39));

edge.addColor(ofColor(239));

if (face.getNumVertices() > 2) {

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4);

face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4);

frame.addIndex(frame.getNumVertices() - 1); frame.addIndex(frame.getNumVertices() - 3);

frame.addIndex(frame.getNumVertices() - 2); frame.addIndex(frame.getNumVertices() - 4);

edge.addIndex(face.getNumVertices() - 1); edge.addIndex(face.getNumVertices() - 2); edge.addIndex(face.getNumVertices() - 4);

edge.addIndex(face.getNumVertices() - 1); edge.addIndex(face.getNumVertices() - 3); edge.addIndex(face.getNumVertices() - 4);

}

this->face_list.push_back(face);

this->frame_list.push_back(frame);

this->edge_list.push_back(edge);

}

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

void ofApp::draw() {

this->cam.begin();

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

ofSetColor(39);

this->face_list[i].drawFaces();

ofSetColor(239);

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

this->edge_list[i].drawFaces();

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210830
[ Kinako ]

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