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マイク入力でWaveを生成
Wave created from microphone input.
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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 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) {}; ofSoundStream sound_stream; void audioIn(float* input, int bufferSize, int nChannels); float vol; vector<float> lengths; vector<ofColor> colors; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(0); ofSetWindowTitle("Insta"); ofNoFill(); ofSetLineWidth(6); ofSetCircleResolution(120); sound_stream.setup(this, 0, 1, 44100, 256, 4); } //-------------------------------------------------------------- void ofApp::update() { for (int i = 0; i < this->lengths.size(); i++) { this->lengths[i] += 2; } if (this->vol > 0.5) { ofColor color; color.setHsb(ofGetFrameNum() % 255, 255, 255); this->lengths.push_back(0); this->colors.push_back(color); this->vol = 0; } for (int i = this->lengths.size() - 1; i >= 0; i--) { if (this->lengths[i] > ofGetWidth()) { this->lengths.erase(this->lengths.begin() + i); this->colors.erase(this->colors.begin() + i); } } } //-------------------------------------------------------------- void ofApp::draw() { for (int i = 0; i < this->lengths.size(); i++) { ofSetColor(this->colors[i], 255 - this->lengths[i] / 2); ofDrawCircle(ofGetWidth() / 2, ofGetHeight() / 2, this->lengths[i]); } } //-------------------------------------------------------------- void ofApp::audioIn(float* input, int bufferSize, int nChannels) { for (int i = 0; i < bufferSize; i++) { this->vol += input[i] * input[i]; } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |