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ノイズによる高低差。
Difference in height.
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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) {}; ofEasyCam cam; ofMesh mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetLineWidth(3); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->mesh.clear(); auto len = 300; auto span = 1; for (auto x = len * -0.5 + span * 0.5; x < len * 0.5; x += span) { for (auto y = len * -0.5 + span * 0.5; y < len * 0.5; y += span) { int z = ofMap(ofNoise(x * 0.015, y * 0.015 + ofGetFrameNum() * 0.02), 0, 1, 0, 50); z = z - z % 10; this->mesh.addVertex(glm::vec3(x, y, z)); this->mesh.addColor(ofColor(ofMap(z, 0, 50, 39, 239))); } } int n = len / span; for(auto x = 1; x < n; x++){ for (auto y = 1; y < n; y++) { this->mesh.addIndex(x + y * n); this->mesh.addIndex((x - 1) + (y - 1) * n); this->mesh.addIndex((x - 1) + y * n); this->mesh.addIndex(x + y * n); this->mesh.addIndex((x - 1) + (y - 1) * n); this->mesh.addIndex(x + (y - 1) * n); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(315); this->mesh.draw(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |