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ofIcoSpherePrimitiveクラスから取得した座標情報を元に球体を分離
Split sphere.
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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; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofNoFill(); ofSetLineWidth(2); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum()); float radius = 180; auto ico_sphere = ofIcoSpherePrimitive(radius, 2); auto triangles = ico_sphere.getMesh().getUniqueFaces(); for (int index = 0; index < triangles.size(); index++) { auto avg = glm::vec3(); vector<glm::vec3> vertices; for (int j = 0; j < 3; j++) { glm::vec3 location(triangles[index].getVertex(j).x, triangles[index].getVertex(j).y, triangles[index].getVertex(j).z); vertices.push_back(location); avg += location; } avg /= 3; int noise_value = ofMap(ofNoise(avg.x * 0.002, avg.y * 0.002, avg.z * 0.002, ofGetFrameNum() * 0.01), 0, 1, 0, 9); float x = 400 * (noise_value % 3) + 200 - 600; float y = 400 * (noise_value / 3) + 200 - 600; ofPushMatrix(); ofTranslate(x, y); ofFill(); ofSetColor(39); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofNoFill(); ofSetColor(255); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofPopMatrix(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |