star – プログラミング de 落描き

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星を辺ごとに回転。

Rotating star piece.

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#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 setStarToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius);

	ofEasyCam cam;
	vector<ofColor> color_list;
	ofMesh face_mesh, frame_mesh;
	float noise_seed;
};

#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 setStarToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius);

ofEasyCam cam;

vector<ofColor> color_list;

ofMesh face_mesh, frame_mesh;

float noise_seed;

};

#include "ofApp.h"

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

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

	ofBackground(239);
	ofEnableDepthTest();

	ofColor color;
	vector<int> hex_list = { 0x247BA0, /*0x70C1B3,*/ 0xB2DBBF, 0xF3FFBD, 0xFF1654 };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->color_list.push_back(color);
	}

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

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

	ofSeedRandom(39);

	this->face_mesh.clear();
	this->frame_mesh.clear();

	auto radius = 100;
	for (auto x = -200; x <= 200; x += radius * 2) {

		for (auto y = -200; y <= 200; y += radius * 2) {

			for (auto z = -200; z <= 200; z += radius * 2) {

				this->setStarToMesh(this->face_mesh, this->frame_mesh, glm::vec3(x, y, z), radius * 0.85);
			}
		}
	}

	if (ofGetFrameNum() % 120 < 75) {

		// 受け入れるフレーム数よりも少ない数値のmodで処理すると止まる直前に動きが出る
		this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 75, 0.015, 0);
	}
}

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

	this->cam.begin();
	ofRotateY(ofGetFrameNum() * 0.5);
	
	this->face_mesh.drawFaces();
	this->frame_mesh.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setStarToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius) {

	int deg_start = ofRandom(360);
	ofColor color = this->color_list[(int)ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, 0, this->color_list.size())];

	auto deg_span = 72;
	for (auto deg = deg_start; deg < deg_start + 360; deg += deg_span) {

		auto angle_x = ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, -PI, PI);
		auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0));

		auto angle_y = ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, -PI, PI);
		auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0));

		auto angle_z = ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, -PI, PI);
		auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1));

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

		face_target.addVertex(location + glm::vec4(radius * 0.05 * cos(deg * DEG_TO_RAD), radius * 0.05 * sin(deg * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);
		face_target.addVertex(location + glm::vec4(radius * 0.5 * cos((deg - deg_span * 0.35) * DEG_TO_RAD), radius * 0.5 * sin((deg - deg_span * 0.35) * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);
		face_target.addVertex(location + glm::vec4(radius * 0.5 * cos((deg + deg_span * 0.35) * DEG_TO_RAD), radius * 0.5 * sin((deg + deg_span * 0.35) * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);
		face_target.addVertex(location + glm::vec4(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);
		face_target.addVertex(location + glm::vec4(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD), radius * 0.15, 0) * rotation_z * rotation_y * rotation_x);
		face_target.addVertex(location + glm::vec4(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD), radius * -0.15, 0) * rotation_z * rotation_y * rotation_x);

		for (auto i = face_index; i < face_target.getVertices().size(); i++) {

			face_target.addColor(color);
		}

		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1);
		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 3);
		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 0);

		face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1);
		face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 3);
		face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2);
		face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 0);

		int frame_index = frame_target.getVertices().size();

		frame_target.addVertex(location + glm::vec4(radius * 0.05 * cos(deg * DEG_TO_RAD), radius * 0.05 * sin(deg * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);
		frame_target.addVertex(location + glm::vec4(radius * 0.5 * cos((deg - deg_span * 0.35) * DEG_TO_RAD), radius * 0.5 * sin((deg - deg_span * 0.35) * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);
		frame_target.addVertex(location + glm::vec4(radius * 0.5 * cos((deg + deg_span * 0.35) * DEG_TO_RAD), radius * 0.5 * sin((deg + deg_span * 0.35) * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);
		frame_target.addVertex(location + glm::vec4(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);
		frame_target.addVertex(location + glm::vec4(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD), radius * 0.15, 0) * rotation_z * rotation_y * rotation_x);
		frame_target.addVertex(location + glm::vec4(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD), radius * -0.15, 0) * rotation_z * rotation_y * rotation_x);

		for (auto i = frame_index; i < frame_target.getVertices().size(); i++) {

			frame_target.addColor(ofColor(0));
		}

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

		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 0);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 1);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 2);
		frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 3);

		frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 0);
		frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 1);
		frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 2);
		frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 3);
	}
}

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

ofEnableDepthTest();

ofColor color;

vector<int> hex_list = { 0x247BA0, /*0x70C1B3,*/ 0xB2DBBF, 0xF3FFBD, 0xFF1654 };

for (auto hex : hex_list) {

color.setHex(hex);

this->color_list.push_back(color);

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face_mesh.clear();

this->frame_mesh.clear();

auto radius = 100;

for (auto x = -200; x <= 200; x += radius * 2) {

for (auto y = -200; y <= 200; y += radius * 2) {

for (auto z = -200; z <= 200; z += radius * 2) {

this->setStarToMesh(this->face_mesh, this->frame_mesh, glm::vec3(x, y, z), radius * 0.85);

}

if (ofGetFrameNum() % 120 < 75) {

// 受け入れるフレーム数よりも少ない数値のmodで処理すると止まる直前に動きが出る

this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 75, 0.015, 0);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateY(ofGetFrameNum() * 0.5);

this->face_mesh.drawFaces();

this->frame_mesh.drawWireframe();

this->cam.end();

}

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

void ofApp::setStarToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius) {

int deg_start = ofRandom(360);

ofColor color = this->color_list[(int)ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, 0, this->color_list.size())];

auto deg_span = 72;

for (auto deg = deg_start; deg < deg_start + 360; deg += deg_span) {

auto angle_x = ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, -PI, PI);

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

auto angle_y = ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, -PI, PI);

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

auto angle_z = ofMap(ofNoise(ofRandom(1000), this->noise_seed), 0, 1, -PI, PI);

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

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

face_target.addVertex(location + glm::vec4(radius * 0.05 * cos(deg * DEG_TO_RAD), radius * 0.05 * sin(deg * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(radius * 0.5 * cos((deg - deg_span * 0.35) * DEG_TO_RAD), radius * 0.5 * sin((deg - deg_span * 0.35) * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(radius * 0.5 * cos((deg + deg_span * 0.35) * DEG_TO_RAD), radius * 0.5 * sin((deg + deg_span * 0.35) * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD), radius * 0.15, 0) * rotation_z * rotation_y * rotation_x);

face_target.addVertex(location + glm::vec4(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD), radius * -0.15, 0) * rotation_z * rotation_y * rotation_x);

for (auto i = face_index; i < face_target.getVertices().size(); i++) {

face_target.addColor(color);

}

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

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 3);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 4); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 0);

face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 0); face_target.addIndex(face_index + 1);

face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 3);

face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 2);

face_target.addIndex(face_index + 5); face_target.addIndex(face_index + 2); face_target.addIndex(face_index + 0);

int frame_index = frame_target.getVertices().size();

frame_target.addVertex(location + glm::vec4(radius * 0.05 * cos(deg * DEG_TO_RAD), radius * 0.05 * sin(deg * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(radius * 0.5 * cos((deg - deg_span * 0.35) * DEG_TO_RAD), radius * 0.5 * sin((deg - deg_span * 0.35) * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(radius * 0.5 * cos((deg + deg_span * 0.35) * DEG_TO_RAD), radius * 0.5 * sin((deg + deg_span * 0.35) * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0, 0) * rotation_z * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD), radius * 0.15, 0) * rotation_z * rotation_y * rotation_x);

frame_target.addVertex(location + glm::vec4(radius * 0.5 * cos(deg * DEG_TO_RAD), radius * 0.5 * sin(deg * DEG_TO_RAD), radius * -0.15, 0) * rotation_z * rotation_y * rotation_x);

for (auto i = frame_index; i < frame_target.getVertices().size(); i++) {

frame_target.addColor(ofColor(0));

}

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

frame_target.addIndex(frame_index + 0); frame_target.addIndex(frame_index + 2);

frame_target.addIndex(frame_index + 3); frame_target.addIndex(frame_index + 1);

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

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

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 1);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 2);

frame_target.addIndex(frame_index + 4); frame_target.addIndex(frame_index + 3);

frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 0);

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

frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 2);

frame_target.addIndex(frame_index + 5); frame_target.addIndex(frame_index + 3);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

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読み込み中のアレ。

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#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 setStarToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius);

	vector<ofColor> color_list;
	ofMesh face_mesh, frame_mesh;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

void setStarToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius);

vector<ofColor> color_list;

ofMesh face_mesh, frame_mesh;

};

#include "ofApp.h"

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

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

	ofBackground(0);

	ofColor color;
	vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };
	for (auto hex : hex_list) {

		color.setHex(hex);
		this->color_list.push_back(color);
	}

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

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

	ofSeedRandom(39);

	this->face_mesh.clear();
	this->frame_mesh.clear();

	auto radius = 60;
	for (auto x = radius; x < ofGetWidth(); x += radius * 2) {

		for (auto y = radius; y < ofGetHeight(); y += radius * 2) {

			this->setStarToMesh(this->face_mesh, this->frame_mesh, glm::vec3(x, y, 0), radius * 0.9);
		}
	}
}

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

	this->face_mesh.drawFaces();
	//this->frame_mesh.drawWireframe();
}

//--------------------------------------------------------------
void ofApp::setStarToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius) {

	int deg_start = ofRandom(360);
	ofColor color = this->color_list[(int)ofRandom(this->color_list.size())];

	for (auto deg = deg_start; deg < deg_start + 360; deg += 72) {

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

		face_target.addVertex(location + glm::vec3(radius * 0.05 * cos(deg * DEG_TO_RAD), radius * 0.05 * sin(deg * DEG_TO_RAD), 0));
		face_target.addVertex(location + glm::vec3(radius * 0.5 * cos((deg - 28) * DEG_TO_RAD), radius * 0.5 * sin((deg - 28) * DEG_TO_RAD), 0));
		face_target.addVertex(location + glm::vec3(radius * 0.5 * cos((deg + 28) * DEG_TO_RAD), radius * 0.5 * sin((deg + 28) * DEG_TO_RAD), 0));
		face_target.addVertex(location + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

		
		for (auto i = face_index; i < face_target.getVertices().size(); i++) {

			auto param = (deg_start + deg + ofGetFrameNum() * 3) % 360;
			param < 330 ? face_target.addColor(ofColor(color, ofMap(param, 0, 330, 255, 0))) : face_target.addColor(ofColor(color, 0));
		}

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

		int frame_index = frame_target.getVertices().size();

		frame_target.addVertex(location + glm::vec3(radius * 0.05 * cos(deg * DEG_TO_RAD), radius * 0.05 * sin(deg * DEG_TO_RAD), 0));
		frame_target.addVertex(location + glm::vec3(radius * 0.5 * cos((deg - 28) * DEG_TO_RAD), radius * 0.5 * sin((deg - 28) * DEG_TO_RAD), 0));
		frame_target.addVertex(location + glm::vec3(radius * 0.5 * cos((deg + 28) * DEG_TO_RAD), radius * 0.5 * sin((deg + 28) * DEG_TO_RAD), 0));
		frame_target.addVertex(location + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

		for (auto i = frame_index; i < frame_target.getVertices().size(); i++) {

			frame_target.addColor(color);
		}

		frame_target.addIndex(face_index + 0); frame_target.addIndex(face_index + 1);
		frame_target.addIndex(face_index + 0); frame_target.addIndex(face_index + 2);
		frame_target.addIndex(face_index + 3); frame_target.addIndex(face_index + 1);
		frame_target.addIndex(face_index + 3); frame_target.addIndex(face_index + 2);
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofColor color;

vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 };

for (auto hex : hex_list) {

color.setHex(hex);

this->color_list.push_back(color);

}

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

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face_mesh.clear();

this->frame_mesh.clear();

auto radius = 60;

for (auto x = radius; x < ofGetWidth(); x += radius * 2) {

for (auto y = radius; y < ofGetHeight(); y += radius * 2) {

this->setStarToMesh(this->face_mesh, this->frame_mesh, glm::vec3(x, y, 0), radius * 0.9);

}

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

void ofApp::draw() {

this->face_mesh.drawFaces();

//this->frame_mesh.drawWireframe();

}

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

void ofApp::setStarToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float radius) {

int deg_start = ofRandom(360);

ofColor color = this->color_list[(int)ofRandom(this->color_list.size())];

for (auto deg = deg_start; deg < deg_start + 360; deg += 72) {

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

face_target.addVertex(location + glm::vec3(radius * 0.05 * cos(deg * DEG_TO_RAD), radius * 0.05 * sin(deg * DEG_TO_RAD), 0));

face_target.addVertex(location + glm::vec3(radius * 0.5 * cos((deg - 28) * DEG_TO_RAD), radius * 0.5 * sin((deg - 28) * DEG_TO_RAD), 0));

face_target.addVertex(location + glm::vec3(radius * 0.5 * cos((deg + 28) * DEG_TO_RAD), radius * 0.5 * sin((deg + 28) * DEG_TO_RAD), 0));

face_target.addVertex(location + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

for (auto i = face_index; i < face_target.getVertices().size(); i++) {

auto param = (deg_start + deg + ofGetFrameNum() * 3) % 360;

param < 330 ? face_target.addColor(ofColor(color, ofMap(param, 0, 330, 255, 0))) : face_target.addColor(ofColor(color, 0));

}

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

face_target.addIndex(face_index + 3); face_target.addIndex(face_index + 1); face_target.addIndex(face_index + 2);

int frame_index = frame_target.getVertices().size();

frame_target.addVertex(location + glm::vec3(radius * 0.05 * cos(deg * DEG_TO_RAD), radius * 0.05 * sin(deg * DEG_TO_RAD), 0));

frame_target.addVertex(location + glm::vec3(radius * 0.5 * cos((deg - 28) * DEG_TO_RAD), radius * 0.5 * sin((deg - 28) * DEG_TO_RAD), 0));

frame_target.addVertex(location + glm::vec3(radius * 0.5 * cos((deg + 28) * DEG_TO_RAD), radius * 0.5 * sin((deg + 28) * DEG_TO_RAD), 0));

frame_target.addVertex(location + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0));

for (auto i = frame_index; i < frame_target.getVertices().size(); i++) {

frame_target.addColor(color);

}

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

frame_target.addIndex(face_index + 0); frame_target.addIndex(face_index + 2);

frame_target.addIndex(face_index + 3); frame_target.addIndex(face_index + 1);

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

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20191109

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タグ: star

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