[ Video ]
[ About ]
棒状のランダムウォークとカメラ追従。
Random walk of rod & camera tracking.
[ Source ]
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 |
#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 face, frame; }; |
|
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 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetLineWidth(2); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->frame.clear(); auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); for (int i = 0; i < 300; i++) { auto location = glm::vec3( ofMap(ofNoise(noise_seed.x, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(noise_seed.y, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(noise_seed.z, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500)); vector<glm::vec3> vertices; vertices.push_back(location + glm::vec3(-20, -20, 0)); vertices.push_back(location + glm::vec3( 20, -20, 0)); vertices.push_back(location + glm::vec3( 20, 20, 0)); vertices.push_back(location + glm::vec3(-20, 20, 0)); int face_index = this->face.getNumVertices() - vertices.size(); int frame_index = this->frame.getNumVertices() - vertices.size(); this->face.addVertices(vertices); if (face_index >= 0) { this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 1); this->face.addIndex(face_index + 5); this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 5); this->face.addIndex(face_index + 4); this->face.addIndex(face_index + 3); this->face.addIndex(face_index + 2); this->face.addIndex(face_index + 6); this->face.addIndex(face_index + 3); this->face.addIndex(face_index + 6); this->face.addIndex(face_index + 7); this->face.addIndex(face_index + 1); this->face.addIndex(face_index + 2); this->face.addIndex(face_index + 6); this->face.addIndex(face_index + 1); this->face.addIndex(face_index + 6); this->face.addIndex(face_index + 5); this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 3); this->face.addIndex(face_index + 7); this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 7); this->face.addIndex(face_index + 4); } this->frame.addVertices(vertices); if (frame_index > 0) { this->frame.addIndex(frame_index + 0); this->frame.addIndex(frame_index + 4); this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index + 5); this->frame.addIndex(frame_index + 2); this->frame.addIndex(frame_index + 6); this->frame.addIndex(frame_index + 3); this->frame.addIndex(frame_index + 7); } } this->face.addIndex(0); this->face.addIndex(1); this->face.addIndex(2); this->face.addIndex(0); this->face.addIndex(2); this->face.addIndex(3); this->frame.addIndex(0); this->frame.addIndex(1); this->frame.addIndex(1); this->frame.addIndex(2); this->frame.addIndex(2); this->frame.addIndex(3); this->frame.addIndex(3); this->frame.addIndex(0); int face_index = this->face.getNumVertices() - 4; int frame_index = this->frame.getNumVertices() - 4; this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 1); this->face.addIndex(face_index + 2); this->face.addIndex(face_index + 0); this->face.addIndex(face_index + 2); this->face.addIndex(face_index + 3); this->frame.addIndex(frame_index + 0); this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index + 1); this->frame.addIndex(frame_index + 2); this->frame.addIndex(frame_index + 2); this->frame.addIndex(frame_index + 3); this->frame.addIndex(frame_index + 3); this->frame.addIndex(frame_index + 0); } //-------------------------------------------------------------- void ofApp::draw() { auto target = this->face.getVertex(this->face.getNumVertices() - 1); auto camera_location = this->face.getVertex(0) + glm::vec3(0, 0, 660); this->cam.setPosition(camera_location); this->cam.setTarget(target); this->cam.lookAt(target); this->cam.begin(); ofSetColor(39); this->face.drawFaces(); ofSetColor(255); this->frame.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |