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黒い壁をNoise関数で出たり・なくなったり。
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#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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(239); ofSetWindowTitle("Insta"); ofEnableDepthTest(); ofSetColor(39, 239); ofFill(); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() / 2, ofGetHeight() / 2); ofRotateX(45); float max_height = 300; for (int r = 1; r < 10; r += 1) { float radius = r * 30.f; float x, y, z, noise_value; float tmp_max_height = max_height * r / 10; for (int deg = 0; deg < 360; deg += 1) { vector<ofPoint> vertices; x = radius * cos(deg * DEG_TO_RAD); y = radius * sin(deg * DEG_TO_RAD); noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.008); noise_value = noise_value < 0.5 ? 0.5 : noise_value; z = ofMap(noise_value, 0.5, 1, 0, tmp_max_height); vertices.push_back(ofPoint(x, y, 0)); vertices.push_back(ofPoint(x, y, z)); x = radius * cos((deg + 1)* DEG_TO_RAD); y = radius * sin((deg + 1) * DEG_TO_RAD); noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.008); noise_value = noise_value < 0.5 ? 0.5 : noise_value; z = ofMap(noise_value, 0.5, 1, 0, tmp_max_height); vertices.push_back(ofPoint(x, y, z)); vertices.push_back(ofPoint(x, y, 0)); ofBeginShape(); ofVertices(vertices); ofEndShape(true); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |