[ Video ]
[ About ]
ノイズの間隔を変化。
Changing interval of noise param.
[ Source ]
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 |
#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; }; |
|
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 "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(300); ofRotateZ(ofGetFrameNum() * 0.25); float deg_span = 0.1; float noise_span = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, 0.001, 0.025); for (float radius = 50; radius <= 200; radius += 50) { ofMesh face, frame; frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (float deg = 0; deg < 360; deg += deg_span) { int index = face.getNumVertices() - 2; auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); auto noise_value = ofNoise(glm::vec3(location * noise_span, ofGetFrameNum() * 0.0001)); float z = noise_value < 0.45 ? 1 : ofMap(noise_value, 0.45, 1.0, 0, 80); face.addVertex(glm::vec3(location, -z)); face.addVertex(glm::vec3(location, z)); frame.addVertex(glm::vec3(location, -z)); frame.addVertex(glm::vec3(location, z)); if (index > -1) { face.addIndex(index); face.addIndex(index + 1); face.addIndex(index + 3); face.addIndex(index); face.addIndex(index + 2); face.addIndex(index + 3); frame.addIndex(index); frame.addIndex(index + 2); frame.addIndex(index + 1); frame.addIndex(index + 3); } } ofSetColor(39); face.draw(); ofSetColor(239); frame.drawWireframe(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |