ofMesh – ページ 116 – プログラミング de 落描き

2021年6月12日2021年6月12日

Box in box. Draw by openFrameworks

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[ About ]
Box in box.

[ Source ]

#pragma once
#include "ofMain.h"

class Actor {
public:
	Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);
	glm::vec3 getLocation();
	glm::vec3 getLocation(int i);
	deque<glm::vec3> getLog();
	void setColor(ofColor color);
	ofColor getColor();

private:

	int select_index;
	int next_index;

	glm::vec3 location;
	deque<glm::vec3> log;
	ofColor color;
};

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) {};

	vector<glm::vec3> location_list;
	vector<vector<int>> next_index_list;
	vector<int> destination_list;

	vector<unique_ptr<Actor>> actor_list;

	ofEasyCam cam;
};

#pragma once

#include "ofMain.h"

class Actor {

public:

Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

void update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list);

glm::vec3 getLocation();

glm::vec3 getLocation(int i);

deque<glm::vec3> getLog();

void setColor(ofColor color);

ofColor getColor();

private:

int select_index;

int next_index;

glm::vec3 location;

deque<glm::vec3> log;

ofColor color;

};

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) {};

vector<glm::vec3> location_list;

vector<vector<int>> next_index_list;

vector<int> destination_list;

vector<unique_ptr<Actor>> actor_list;

ofEasyCam cam;

};

#include "ofApp.h"	

//--------------------------------------------------------------
Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

	this->select_index = ofRandom(location_list.size());
	while (true) {

		auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);
		if (itr == destination_list.end()) {

			destination_list.push_back(this->select_index);
			break;
		}

		this->select_index = (this->select_index + 1) % location_list.size();
	}

	this->next_index = this->select_index;
}

//--------------------------------------------------------------
void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

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

		auto tmp_index = this->select_index;
		this->select_index = this->next_index;
		int retry = next_index_list[this->select_index].size();
		this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];
		while (--retry > 0) {

			auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);
			if (destination_itr == destination_list.end()) {

				if (tmp_index != this->next_index) {

					destination_list.push_back(this->next_index);
					break;
				}
			}

			this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];
		}
		if (retry <= 0) {

			destination_list.push_back(this->select_index);
			this->next_index = this->select_index;
		}
	}

	auto param = ofGetFrameNum() % frame_span;
	auto distance = location_list[this->next_index] - location_list[this->select_index];
	this->location = location_list[this->select_index] + distance / frame_span * param;

	this->log.push_front(this->location);
	while (this->log.size() > 60) { this->log.pop_back(); }
}

//--------------------------------------------------------------
glm::vec3 Actor::getLocation() {

	return this->location;
}

//--------------------------------------------------------------
glm::vec3 Actor::getLocation(int i) {

	return i > 0 && i < this->log.size() ? this->log[i] : glm::vec3();
}

//--------------------------------------------------------------
deque<glm::vec3> Actor::getLog() {

	return this->log;
}

//--------------------------------------------------------------
void Actor::setColor(ofColor value) {

	this->color = value;
}

//--------------------------------------------------------------
ofColor Actor::getColor() {

	return this->color;
}


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

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

	ofBackground(0);
	ofSetLineWidth(1.5);
	ofEnableDepthTest();

	int span = 80;
	for (int x = -200; x <= 200; x += span) {

		for (int y = -200; y <= 200; y += span) {

			for (int z = -200; z <= 200; z += span) {

				this->location_list.push_back(glm::vec3(x, y, z));
			}
		}
	}

	for (auto& location : this->location_list) {

		vector<int> next_index = vector<int>();
		int index = -1;
		for (auto& other : this->location_list) {

			index++;
			if (location == other) { continue; }

			float distance = glm::distance(location, other);
			if (distance <= span) {

				next_index.push_back(index);
			}
		}

		this->next_index_list.push_back(next_index);
	}

	ofColor color;
	vector<ofColor> base_color_list;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0xefefef };
	for (auto hex : hex_list) {

		color.setHex(hex);
		base_color_list.push_back(color);
	}

	for (int i = 0; i < 120; i++) {

		this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));
		this->actor_list.back()->setColor(base_color_list[(int)ofRandom(base_color_list.size())]);
	}
}

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

	int frame_span = 20;
	int prev_index_size = 0;

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

		prev_index_size = this->destination_list.size();
	}

	for (auto& actor : this->actor_list) {

		actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);
	}

	if (prev_index_size != 0) {

		this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);
	}
}

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

	this->cam.begin();

	ofRotateY(ofGetFrameNum() * 0.5);
	ofRotateX(ofGetFrameNum() * 0.38);

	
	for (auto& actor : this->actor_list) {

		ofFill();
		ofSetColor(39);
		ofDrawBox(actor->getLocation(), 70);

		ofNoFill();
		ofSetColor(actor->getColor());
		ofDrawBox(actor->getLocation(), 71);
		ofDrawBox(actor->getLocation(20), 71);
	}

	this->cam.end();
}


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

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

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#include "ofApp.h"

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

Actor::Actor(vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

this->select_index = ofRandom(location_list.size());

while (true) {

auto itr = find(destination_list.begin(), destination_list.end(), this->select_index);

if (itr == destination_list.end()) {

destination_list.push_back(this->select_index);

break;

}

this->select_index = (this->select_index + 1) % location_list.size();

}

this->next_index = this->select_index;

}

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

void Actor::update(const int& frame_span, vector<glm::vec3>& location_list, vector<vector<int>>& next_index_list, vector<int>& destination_list) {

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

auto tmp_index = this->select_index;

this->select_index = this->next_index;

int retry = next_index_list[this->select_index].size();

this->next_index = next_index_list[this->select_index][(int)ofRandom(next_index_list[this->select_index].size())];

while (--retry > 0) {

auto destination_itr = find(destination_list.begin(), destination_list.end(), this->next_index);

if (destination_itr == destination_list.end()) {

if (tmp_index != this->next_index) {

destination_list.push_back(this->next_index);

break;

}

this->next_index = next_index_list[this->select_index][(this->next_index + 1) % next_index_list[this->select_index].size()];

}

if (retry <= 0) {

destination_list.push_back(this->select_index);

this->next_index = this->select_index;

}

auto param = ofGetFrameNum() % frame_span;

auto distance = location_list[this->next_index] - location_list[this->select_index];

this->location = location_list[this->select_index] + distance / frame_span * param;

this->log.push_front(this->location);

while (this->log.size() > 60) { this->log.pop_back(); }

}

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

glm::vec3 Actor::getLocation() {

return this->location;

}

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

glm::vec3 Actor::getLocation(int i) {

return i > 0 && i < this->log.size() ? this->log[i] : glm::vec3();

}

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

deque<glm::vec3> Actor::getLog() {

return this->log;

}

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

void Actor::setColor(ofColor value) {

this->color = value;

}

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

ofColor Actor::getColor() {

return this->color;

}

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetLineWidth(1.5);

ofEnableDepthTest();

int span = 80;

for (int x = -200; x <= 200; x += span) {

for (int y = -200; y <= 200; y += span) {

for (int z = -200; z <= 200; z += span) {

this->location_list.push_back(glm::vec3(x, y, z));

}

for (auto& location : this->location_list) {

vector<int> next_index = vector<int>();

int index = -1;

for (auto& other : this->location_list) {

index++;

if (location == other) { continue; }

float distance = glm::distance(location, other);

if (distance <= span) {

next_index.push_back(index);

}

this->next_index_list.push_back(next_index);

}

ofColor color;

vector<ofColor> base_color_list;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0xefefef };

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

for (int i = 0; i < 120; i++) {

this->actor_list.push_back(make_unique<Actor>(this->location_list, this->next_index_list, this->destination_list));

this->actor_list.back()->setColor(base_color_list[(int)ofRandom(base_color_list.size())]);

}

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

void ofApp::update() {

int frame_span = 20;

int prev_index_size = 0;

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

prev_index_size = this->destination_list.size();

}

for (auto& actor : this->actor_list) {

actor->update(frame_span, this->location_list, this->next_index_list, this->destination_list);

}

if (prev_index_size != 0) {

this->destination_list.erase(this->destination_list.begin(), this->destination_list.begin() + prev_index_size);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum() * 0.38);

for (auto& actor : this->actor_list) {

ofFill();

ofSetColor(39);

ofDrawBox(actor->getLocation(), 70);

ofNoFill();

ofSetColor(actor->getColor());

ofDrawBox(actor->getLocation(), 71);

ofDrawBox(actor->getLocation(20), 71);

}

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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https://github.com/junkiyoshi/Insta20210612

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2021年6月10日2021年6月10日

Box sphere. Draw by openFrameworks

[ Video ]

[ About ]
Box 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) {};

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

	vector<pair<glm::vec3, float>> box_info_list;
	vector<pair<glm::vec3, float>> wave_list;
	glm::vec3 prev_location;
	float size;

	ofEasyCam cam;
	ofMesh face, line;
};

#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& line_target, glm::vec3 location, float size);

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

vector<pair<glm::vec3, float>> box_info_list;

vector<pair<glm::vec3, float>> wave_list;

glm::vec3 prev_location;

float size;

ofEasyCam cam;

ofMesh face, line;

};

#include "ofApp.h"

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

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

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

	this->size = 15;
	for (auto x = -450; x <= 450; x += this->size) {

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

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

				this->box_info_list.push_back(make_pair(glm::vec3(x, y, z), 0.f));
			}
		}
	}

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

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

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

	if (ofGetFrameNum() % 30 == 0) {

		auto l = glm::vec3(ofRandom(-350, 350), ofRandom(-350, 350), ofRandom(-350, 350));
		while (glm::distance(l, this->prev_location) < 350) {

			l = glm::vec3(ofRandom(-350, 350), ofRandom(-350, 350), ofRandom(-350, 350));
		}
		auto f = 5;
		this->wave_list.push_back(make_pair(l, f));

		this->prev_location = l;
	}

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

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

			auto distance = glm::distance(wave.first, box_info.first);
			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);
			}
		}

		wave.second += 8;
	}

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

		box_info.second = box_info.second < 0 ? 0 : box_info.second - 0.015;
		if (box_info.second > 0) {

			auto box_size = this->size;
			if (box_info.second < 0.03) { box_size = ofMap(box_info.second, 0, 0.03, 0, this->size); }
			this->setBoxToMesh(this->face, this->line, box_info.first, box_size);
		}
	}

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

		if (this->wave_list[i].second > 350) {

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

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

	this->cam.begin();

	ofRotateY(ofGetFrameNum() * 0.5);
	ofRotateX(ofGetFrameNum() * 0.38);

	ofSetColor(39);
	ofNoFill();
	ofDrawBox(900);

	ofSetColor(239);
	this->face.drawFaces();

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

	this->cam.end();
}

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

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

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

	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);

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

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

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

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

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

//--------------------------------------------------------------
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);

ofNoFill();

ofSetLineWidth(2);

ofEnableDepthTest();

this->size = 15;

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

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

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

this->box_info_list.push_back(make_pair(glm::vec3(x, y, z), 0.f));

}

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

}

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

void ofApp::update() {

this->face.clear();

this->line.clear();

if (ofGetFrameNum() % 30 == 0) {

auto l = glm::vec3(ofRandom(-350, 350), ofRandom(-350, 350), ofRandom(-350, 350));

while (glm::distance(l, this->prev_location) < 350) {

l = glm::vec3(ofRandom(-350, 350), ofRandom(-350, 350), ofRandom(-350, 350));

}

auto f = 5;

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

this->prev_location = l;

}

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

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

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

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);

}

wave.second += 8;

}

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

box_info.second = box_info.second < 0 ? 0 : box_info.second - 0.015;

if (box_info.second > 0) {

auto box_size = this->size;

if (box_info.second < 0.03) { box_size = ofMap(box_info.second, 0, 0.03, 0, this->size); }

this->setBoxToMesh(this->face, this->line, box_info.first, box_size);

}

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

if (this->wave_list[i].second > 350) {

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

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

ofRotateX(ofGetFrameNum() * 0.38);

ofSetColor(39);

ofNoFill();

ofDrawBox(900);

ofSetColor(239);

this->face.drawFaces();

ofSetColor(39);

this->line.drawWireframe();

this->cam.end();

}

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

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

this->setBoxToMesh(face_target, line_target, location, size, size, size);

}

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

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

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);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
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2021年6月8日2021年6月8日

Triple tornado. Draw by openFrameworks

[ Video ]

[ About ]
Triple tornado.

[ 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, line;
};

#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, line;

};

#include "ofApp.h"

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

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

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

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

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

	ofSeedRandom(39);

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

	auto radius = 300;
	auto deg_width = 9;
	auto deg_span = 5;
	auto height_span = 10;
	auto max_height = 1000;

	ofColor face_color, line_color;

	for (radius = 100; radius <= 300; radius += 100) {

		if (radius % 200 == 0) {

			face_color = ofColor(39);
			line_color = ofColor(239);
		}
		else {

			face_color = ofColor(239);
			line_color = ofColor(39);
		}

		auto frame_step = ofMap(radius, 100, 300, 0.005, 0.025);
		auto threshold = ofMap(radius, 100, 300, 0.6, 0.35);

		for (auto deg_start = 0; deg_start < 360; deg_start += deg_width + 1) {

			auto deg = deg_start;

			for (auto height = 0; height < max_height; height += height_span) {

				auto prev_noise_value = ofNoise(radius * cos(deg_start * DEG_TO_RAD) * 0.005, radius * sin(deg_start * DEG_TO_RAD) * 0.005, (height - height_span) * 0.002 + ofGetFrameNum() * frame_step);
				auto noise_value = ofNoise(radius * cos(deg_start * DEG_TO_RAD) * 0.005, radius * sin(deg_start * DEG_TO_RAD) * 0.005, height * 0.002 + ofGetFrameNum() * frame_step);
				auto next_noise_value = ofNoise(radius * cos(deg_start * DEG_TO_RAD) * 0.005, radius * sin(deg_start * DEG_TO_RAD) * 0.005, (height + height_span) * 0.002 + ofGetFrameNum() * frame_step);

				if (noise_value < threshold) {

					this->face.addVertex(glm::vec3(radius * cos((deg)* DEG_TO_RAD), height, radius * sin((deg)* DEG_TO_RAD)));
					this->face.addVertex(glm::vec3(radius * cos((deg + deg_width) * DEG_TO_RAD), height, radius * sin((deg + deg_width) * DEG_TO_RAD)));
					this->face.addVertex(glm::vec3(radius * cos((deg + deg_span + deg_width) * DEG_TO_RAD), height + height_span, radius * sin((deg + deg_span + deg_width) * DEG_TO_RAD)));
					this->face.addVertex(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), height + height_span, radius * sin((deg + deg_span) * DEG_TO_RAD)));

					this->line.addVertex(glm::vec3(radius * cos((deg)* DEG_TO_RAD), height, radius * sin((deg)* DEG_TO_RAD)));
					this->line.addVertex(glm::vec3(radius * cos((deg + deg_width) * DEG_TO_RAD), height, radius * sin((deg + deg_width) * DEG_TO_RAD)));
					this->line.addVertex(glm::vec3(radius * cos((deg + deg_span + deg_width) * DEG_TO_RAD), height + height_span, radius * sin((deg + deg_span + deg_width) * DEG_TO_RAD)));
					this->line.addVertex(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), height + height_span, radius * sin((deg + deg_span) * DEG_TO_RAD)));

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

						this->face.addColor(face_color);
						this->line.addColor(line_color);
					}

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

					this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4);
					this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);

					if (height >= max_height - height_span || next_noise_value > threshold) {

						this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2);
					}

					if (height < height_span || prev_noise_value > threshold) {

						this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 4);
					}
				}

				deg += deg_span;
			}
		}
	}
}

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

	this->cam.begin();

	ofRotateX(180);
	ofTranslate(0, -500, 0);

	this->face.drawFaces();
	this->line.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(2);

ofEnableDepthTest();

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->line.clear();

auto radius = 300;

auto deg_width = 9;

auto deg_span = 5;

auto height_span = 10;

auto max_height = 1000;

ofColor face_color, line_color;

for (radius = 100; radius <= 300; radius += 100) {

if (radius % 200 == 0) {

face_color = ofColor(39);

line_color = ofColor(239);

}

else {

face_color = ofColor(239);

line_color = ofColor(39);

}

auto frame_step = ofMap(radius, 100, 300, 0.005, 0.025);

auto threshold = ofMap(radius, 100, 300, 0.6, 0.35);

for (auto deg_start = 0; deg_start < 360; deg_start += deg_width + 1) {

auto deg = deg_start;

for (auto height = 0; height < max_height; height += height_span) {

auto prev_noise_value = ofNoise(radius * cos(deg_start * DEG_TO_RAD) * 0.005, radius * sin(deg_start * DEG_TO_RAD) * 0.005, (height - height_span) * 0.002 + ofGetFrameNum() * frame_step);

auto noise_value = ofNoise(radius * cos(deg_start * DEG_TO_RAD) * 0.005, radius * sin(deg_start * DEG_TO_RAD) * 0.005, height * 0.002 + ofGetFrameNum() * frame_step);

auto next_noise_value = ofNoise(radius * cos(deg_start * DEG_TO_RAD) * 0.005, radius * sin(deg_start * DEG_TO_RAD) * 0.005, (height + height_span) * 0.002 + ofGetFrameNum() * frame_step);

if (noise_value < threshold) {

this->face.addVertex(glm::vec3(radius * cos((deg)* DEG_TO_RAD), height, radius * sin((deg)* DEG_TO_RAD)));

this->face.addVertex(glm::vec3(radius * cos((deg + deg_width) * DEG_TO_RAD), height, radius * sin((deg + deg_width) * DEG_TO_RAD)));

this->face.addVertex(glm::vec3(radius * cos((deg + deg_span + deg_width) * DEG_TO_RAD), height + height_span, radius * sin((deg + deg_span + deg_width) * DEG_TO_RAD)));

this->face.addVertex(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), height + height_span, radius * sin((deg + deg_span) * DEG_TO_RAD)));

this->line.addVertex(glm::vec3(radius * cos((deg)* DEG_TO_RAD), height, radius * sin((deg)* DEG_TO_RAD)));

this->line.addVertex(glm::vec3(radius * cos((deg + deg_width) * DEG_TO_RAD), height, radius * sin((deg + deg_width) * DEG_TO_RAD)));

this->line.addVertex(glm::vec3(radius * cos((deg + deg_span + deg_width) * DEG_TO_RAD), height + height_span, radius * sin((deg + deg_span + deg_width) * DEG_TO_RAD)));

this->line.addVertex(glm::vec3(radius * cos((deg + deg_span) * DEG_TO_RAD), height + height_span, radius * sin((deg + deg_span) * DEG_TO_RAD)));

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

this->face.addColor(face_color);

this->line.addColor(line_color);

}

this->face.addIndex(this->face.getNumVertices() - 1); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 3);

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

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4);

this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 3);

if (height >= max_height - height_span || next_noise_value > threshold) {

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

}

if (height < height_span || prev_noise_value > threshold) {

this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 4);

}

deg += deg_span;

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(180);

ofTranslate(0, -500, 0);

this->face.drawFaces();

this->line.drawWireframe();

this->cam.end();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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2024年5月
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