openFrameworks – ページ 392 – プログラミング de 落描き

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

[ほしいものリスト]
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[ Sponsor Link ]

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 ]

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2021年8月29日

Broken color arrows. Draw by openFrameworks

[ Video ]

[ About ]
物理演算のポリゴンで矢印を作る。
Make arrows with physics polygons.

最近、新しく開発環境のPCを買い換えました。
Recently, I bought a new PC for my development environment.

[ Source ]

#pragma once
#include "ofMain.h"
#include "ofxBox2d.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) {}

	ofxBox2d box2d;

	vector<ofColor> base_color_list;
	vector<glm::vec2> noise_param_list;

	vector<shared_ptr<ofxBox2dPolygon>> polygon_list;
	vector<float> polygon_life_list;
	vector<ofColor> polygon_color_list;
};

#pragma once

#include "ofMain.h"

#include "ofxBox2d.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) {}

ofxBox2d box2d;

vector<ofColor> base_color_list;

vector<glm::vec2> noise_param_list;

vector<shared_ptr<ofxBox2dPolygon>> polygon_list;

vector<float> polygon_life_list;

vector<ofColor> polygon_color_list;

};

#include "ofApp.h"

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

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

	ofBackground(0);
	ofSetLineWidth(1);

	this->box2d.init();
	this->box2d.setGravity(0, 30);
	this->box2d.createBounds();
	this->box2d.setFPS(60);

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

		this->noise_param_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));
		
		ofColor base_color;
		base_color.setHsb(ofMap(i, 0, 4, 0, 255), 230, 255);
		this->base_color_list.push_back(base_color);
	}
}

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

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

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

			auto location = glm::vec2(
				ofMap(ofNoise(this->noise_param_list[i].x, ofGetFrameNum() * 0.0075), 0, 1, 20, 700),
				ofMap(ofNoise(this->noise_param_list[i].y, ofGetFrameNum() * 0.0075), 0, 1, 100, 360));
			auto target = glm::vec2(
				ofMap(ofNoise(this->noise_param_list[i].x, (ofGetFrameNum() + 1) * 0.0075), 0, 1, 20, 700),
				ofMap(ofNoise(this->noise_param_list[i].y, (ofGetFrameNum() + 1) * 0.0075), 0, 1, 100, 360));

			auto size = 30;
			auto angle = std::atan2(target.y - location.y, target.x - location.x);

			vector<glm::vec2> vertices;
			vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
			vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));
			vertices.push_back(location + glm::vec2(size * cos(angle), size * sin(angle)));
			vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));
			vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

			vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
			vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
			vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
			vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

			auto polygon = make_shared<ofxBox2dPolygon>();
			polygon->addTriangle(vertices[0], vertices[1], vertices[2]);
			polygon->setPhysics(1.0, 0.7, 0.3);
			polygon->create(box2d.getWorld());

			this->polygon_list.push_back(move(polygon));
			this->polygon_life_list.push_back(128);
			this->polygon_color_list.push_back(this->base_color_list[i]);

			polygon = make_shared<ofxBox2dPolygon>();
			polygon->addTriangle(vertices[0], vertices[2], vertices[4]);
			polygon->setPhysics(1.0, 0.7, 0.3);
			polygon->create(box2d.getWorld());

			this->polygon_list.push_back(move(polygon));
			this->polygon_life_list.push_back(128);
			this->polygon_color_list.push_back(this->base_color_list[i]);

			polygon = make_shared<ofxBox2dPolygon>();
			polygon->addTriangle(vertices[4], vertices[2], vertices[3]);
			polygon->setPhysics(1.0, 0.7, 0.3);
			polygon->create(box2d.getWorld());

			this->polygon_list.push_back(move(polygon));
			this->polygon_life_list.push_back(128);
			this->polygon_color_list.push_back(this->base_color_list[i]);

			polygon = make_shared<ofxBox2dPolygon>();
			polygon->addTriangle(vertices[5], vertices[6], vertices[7]);
			polygon->setPhysics(1.0, 0.7, 0.3);
			polygon->create(box2d.getWorld());

			this->polygon_list.push_back(move(polygon));
			this->polygon_life_list.push_back(128);
			this->polygon_color_list.push_back(this->base_color_list[i]);

			polygon = make_shared<ofxBox2dPolygon>();
			polygon->addTriangle(vertices[5], vertices[7], vertices[8]);
			polygon->setPhysics(1.0, 0.7, 0.3);
			polygon->create(box2d.getWorld());

			this->polygon_list.push_back(move(polygon));
			this->polygon_life_list.push_back(128);
			this->polygon_color_list.push_back(this->base_color_list[i]);
		}
	}

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

		this->polygon_life_list[i] -= 1;

		if (this->polygon_life_list[i] < 0) {

			this->polygon_list[i]->destroy();
			this->polygon_list.erase(this->polygon_list.begin() + i);
			this->polygon_life_list.erase(this->polygon_life_list.begin() + i);
			this->polygon_color_list.erase(this->polygon_color_list.begin() + i);
		}
	}

	this->box2d.update();
}

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

	ofNoFill();
	ofSetColor(39);

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



		auto location = glm::vec2(
			ofMap(ofNoise(this->noise_param_list[i].x, ofGetFrameNum() * 0.0075), 0, 1, 20, 700),
			ofMap(ofNoise(this->noise_param_list[i].y, ofGetFrameNum() * 0.0075), 0, 1, 100, 360));
		auto target = glm::vec2(
			ofMap(ofNoise(this->noise_param_list[i].x, (ofGetFrameNum() + 1) * 0.0075), 0, 1, 20, 700),
			ofMap(ofNoise(this->noise_param_list[i].y, (ofGetFrameNum() + 1) * 0.0075), 0, 1, 100, 360));

		auto size = 30;
		auto angle = std::atan2(target.y - location.y, target.x - location.x);

		ofSetColor(this->base_color_list[i]);
		ofNoFill();
		ofBeginShape();
		ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
		ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));
		ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));
		ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));
		ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);
		ofEndShape();

		ofBeginShape();
		ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);
		ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
		ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);
		ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);
		ofEndShape();
	}

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

		if (this->polygon_life_list[i] > 64) {

			ofSetColor(this->polygon_color_list[i]);
		}
		else {

			ofSetColor(this->polygon_color_list[i], ofMap(this->polygon_life_list[i], 64, 0, 255, 0));
		}

		this->polygon_list[i]->draw();
	}

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

		if (this->polygon_life_list[i] > 64) {

			ofSetColor(this->polygon_color_list[i], 128);
		}
		else {

			ofSetColor(this->polygon_color_list[i], ofMap(this->polygon_life_list[i], 64, 0, 128, 0));
		}

		this->polygon_list[i]->draw();
	}
}

//--------------------------------------------------------------
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(0);

ofSetLineWidth(1);

this->box2d.init();

this->box2d.setGravity(0, 30);

this->box2d.createBounds();

this->box2d.setFPS(60);

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

this->noise_param_list.push_back(glm::vec2(ofRandom(1000), ofRandom(1000)));

ofColor base_color;

base_color.setHsb(ofMap(i, 0, 4, 0, 255), 230, 255);

this->base_color_list.push_back(base_color);

}

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

void ofApp::update() {

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

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

auto location = glm::vec2(

ofMap(ofNoise(this->noise_param_list[i].x, ofGetFrameNum() * 0.0075), 0, 1, 20, 700),

ofMap(ofNoise(this->noise_param_list[i].y, ofGetFrameNum() * 0.0075), 0, 1, 100, 360));

auto target = glm::vec2(

ofMap(ofNoise(this->noise_param_list[i].x, (ofGetFrameNum() + 1) * 0.0075), 0, 1, 20, 700),

ofMap(ofNoise(this->noise_param_list[i].y, (ofGetFrameNum() + 1) * 0.0075), 0, 1, 100, 360));

auto size = 30;

auto angle = std::atan2(target.y - location.y, target.x - location.x);

vector<glm::vec2> vertices;

vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));

vertices.push_back(location + glm::vec2(size * cos(angle), size * sin(angle)));

vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));

vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

vertices.push_back(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

auto polygon = make_shared<ofxBox2dPolygon>();

polygon->addTriangle(vertices[0], vertices[1], vertices[2]);

polygon->setPhysics(1.0, 0.7, 0.3);

polygon->create(box2d.getWorld());

this->polygon_list.push_back(move(polygon));

this->polygon_life_list.push_back(128);

this->polygon_color_list.push_back(this->base_color_list[i]);

polygon = make_shared<ofxBox2dPolygon>();

polygon->addTriangle(vertices[0], vertices[2], vertices[4]);

polygon->setPhysics(1.0, 0.7, 0.3);

polygon->create(box2d.getWorld());

this->polygon_list.push_back(move(polygon));

this->polygon_life_list.push_back(128);

this->polygon_color_list.push_back(this->base_color_list[i]);

polygon = make_shared<ofxBox2dPolygon>();

polygon->addTriangle(vertices[4], vertices[2], vertices[3]);

polygon->setPhysics(1.0, 0.7, 0.3);

polygon->create(box2d.getWorld());

this->polygon_list.push_back(move(polygon));

this->polygon_life_list.push_back(128);

this->polygon_color_list.push_back(this->base_color_list[i]);

polygon = make_shared<ofxBox2dPolygon>();

polygon->addTriangle(vertices[5], vertices[6], vertices[7]);

polygon->setPhysics(1.0, 0.7, 0.3);

polygon->create(box2d.getWorld());

this->polygon_list.push_back(move(polygon));

this->polygon_life_list.push_back(128);

this->polygon_color_list.push_back(this->base_color_list[i]);

polygon = make_shared<ofxBox2dPolygon>();

polygon->addTriangle(vertices[5], vertices[7], vertices[8]);

polygon->setPhysics(1.0, 0.7, 0.3);

polygon->create(box2d.getWorld());

this->polygon_list.push_back(move(polygon));

this->polygon_life_list.push_back(128);

this->polygon_color_list.push_back(this->base_color_list[i]);

}

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

this->polygon_life_list[i] -= 1;

if (this->polygon_life_list[i] < 0) {

this->polygon_list[i]->destroy();

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

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

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

}

this->box2d.update();

}

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

void ofApp::draw() {

ofNoFill();

ofSetColor(39);

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

auto location = glm::vec2(

ofMap(ofNoise(this->noise_param_list[i].x, ofGetFrameNum() * 0.0075), 0, 1, 20, 700),

ofMap(ofNoise(this->noise_param_list[i].y, ofGetFrameNum() * 0.0075), 0, 1, 100, 360));

auto target = glm::vec2(

ofMap(ofNoise(this->noise_param_list[i].x, (ofGetFrameNum() + 1) * 0.0075), 0, 1, 20, 700),

ofMap(ofNoise(this->noise_param_list[i].y, (ofGetFrameNum() + 1) * 0.0075), 0, 1, 100, 360));

auto size = 30;

auto angle = std::atan2(target.y - location.y, target.x - location.x);

ofSetColor(this->base_color_list[i]);

ofNoFill();

ofBeginShape();

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)));

ofVertex(location + glm::vec2(size * cos(angle), size * sin(angle)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)));

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

ofEndShape();

ofBeginShape();

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5);

ofVertex(location + glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25);

ofEndShape();

}

ofNoFill();

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

if (this->polygon_life_list[i] > 64) {

ofSetColor(this->polygon_color_list[i]);

}

else {

ofSetColor(this->polygon_color_list[i], ofMap(this->polygon_life_list[i], 64, 0, 255, 0));

}

this->polygon_list[i]->draw();

}

ofFill();

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

if (this->polygon_life_list[i] > 64) {

ofSetColor(this->polygon_color_list[i], 128);

}

else {

ofSetColor(this->polygon_color_list[i], ofMap(this->polygon_life_list[i], 64, 0, 128, 0));

}

this->polygon_list[i]->draw();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210829

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年11月
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