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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | #pragma once #include "ofMain.h" #include "Particle.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) {}; 	void create_particles(char moji_1, char moji_2); 	char moji_1; 	char moji_2; 	float progress; 	ofTrueTypeFont font; 	vector<Particle> particles; 	int particle_count; }; | 
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | #include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { 	ofSetFrameRate(60); 	ofBackground(0); 	ofSetWindowTitle("Insta"); 	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); 	this->particle_count = 600; 	this->font.loadFont("Kazesawa-Bold.ttf", 450, true, false, true); 	this->moji_1 = '?'; 	this->moji_2 = '@'; 	this->progress = 0; 	this->create_particles(this->moji_1, this->moji_2); } //-------------------------------------------------------------- void ofApp::update() { 	this->progress += 0.05; 	if (this->progress > 2) { 		this->progress = 0; 		this->moji_1 = this->moji_2; 		this->moji_2 = this->moji_1 + 1; 		this->create_particles(this->moji_1, this->moji_2); 	} 	for (int i = 0; i < this->particle_count; i++) { 		this->particles[i].set_progress(this->progress); 		this->particles[i].update(); 	} } //-------------------------------------------------------------- void ofApp::draw() { 	ofTranslate(ofGetWidth() / 2 - this->font.stringWidth("W") / 2, ofGetHeight() / 2 + this->font.stringHeight("W") / 2); 	for (int i = 0; i < this->particle_count; i++) { 		this->particles[i].draw(); 	} } //-------------------------------------------------------------- void ofApp::create_particles(char moji_1, char moji_2) { 	this->particles.clear(); 	this->particles.shrink_to_fit(); 	for (int i = 0; i < this->particle_count; i++) { 		this->particles.push_back(Particle()); 	} 	ofTTFCharacter char_1_path = this->font.getCharacterAsPoints(moji_1); 	ofTTFCharacter char_2_path = this->font.getCharacterAsPoints(moji_2); 	vector<ofPolyline> outline_1 = char_1_path.getOutline(); 	vector<ofPolyline> outline_2 = char_2_path.getOutline(); 	int count_1 = this->particle_count / outline_1.size(); 	int count_2 = this->particle_count / outline_2.size(); 	int particle_index = 0; 	for (int outline_index = 0; outline_index < outline_1.size(); outline_index++) { 		outline_1[outline_index] = outline_1[outline_index].getResampledByCount(count_1); 		vector<ofPoint> vertices = outline_1[outline_index].getVertices(); 		for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { 			this->particles[particle_index].set_point_1(vertices[vertices_index]); 			particle_index++; 		} 	} 	//particle_index = 0; 	for (int outline_index = 0; outline_index < outline_2.size(); outline_index++) { 		outline_2[outline_index] = outline_2[outline_index].getResampledByCount(count_2); 		vector<ofPoint> vertices = outline_2[outline_index].getVertices(); 		for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { 			this->particles[particle_index].set_point_2(vertices[vertices_index]);		 			particle_index--; 		} 	} } //-------------------------------------------------------------- int main() { 	ofSetupOpenGL(720, 720, OF_WINDOW); 	ofRunApp(new ofApp()); } | 
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | #pragma once #include "ofMain.h" class Particle { public: 	Particle(); 	Particle(ofVec3f point_1, ofVec3f point_2); 	void update(); 	void draw(); 	void set_point_1(ofVec3f point_1); 	void set_point_2(ofVec3f point_2); 	void set_progress(float value); 	ofVec3f get_location(); private: 	ofVec3f location; 	ofVec3f point_1; 	ofVec3f point_2; 	float progress; 	ofImage img; }; | 
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | #include "Particle.h" Particle::Particle() : Particle(ofVec3f(0, 0, 0), ofVec3f(0, 0, 0)) {} Particle::Particle(ofVec3f point_1, ofVec3f point_2) { 	this->point_1 = point_1; 	this->point_2 = point_2; 	this->location = this->point_1; 	this->progress = 0.f; 	int size = 200; 	int r = 55; 	int g = 100; 	int b = 180; 	this->img.allocate(size, size, OF_IMAGE_COLOR); 	unsigned char* pixels = this->img.getPixels().getData(); 	for (int x = 0; x < size; x++) { 		for (int y = 0; y < size; y++) { 			float distance = ((size / 2 - x) * (size / 2 - x) + (size / 2 - y) * (size / 2 - y)) / 50.f; 			if (distance == 0) { distance = 0.003; } 			int r_value = r / distance - 3; 			r_value = max(0, min(r_value, 255)); 			int g_value = g / distance - 3; 			g_value = max(0, min(g_value, 255)); 			int b_value = b / distance - 3; 			b_value = max(0, min(b_value, 255)); 			pixels[x * 3 * size + y * 3 + 0] = r_value; 			pixels[x * 3 * size + y * 3 + 1] = g_value; 			pixels[x * 3 * size + y * 3 + 2] = b_value; 		} 	} 	this->img.update(); } void Particle::update(){ 	if (this->progress > 1) { 		this->progress = 1; 	} 	ofVec3f gap = this->point_2 - this->point_1;	 	gap = gap * this->progress; 	this->location = this->point_1 + gap; } void Particle::draw() { 	if (this->point_1 != ofVec3f(0, 0, 0) || this->point_2 != ofVec3f(0, 0, 0)) { 		this->img.draw(this->location - ofVec3f(100, 100)); 	} } void Particle::set_point_1(ofVec3f point_1) { 	this->point_1 = point_1; } void Particle::set_point_2(ofVec3f point_2) { 	this->point_2 = point_2; } void Particle::set_progress(float value) { 	this->progress = value; } ofVec3f Particle::get_location() { 	return this->location; } |