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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; float rect_size; vector<glm::vec3> location_list; vector<glm::vec3> moving_location_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(3); ofEnableDepthTest(); ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER); this->rect_size = 30; for (int x = -360; x < 360; x += this->rect_size) { for (int y = -360; y < 360; y += this->rect_size) { this->location_list.push_back(glm::vec3(x, y, 0)); } } } //-------------------------------------------------------------- void ofApp::update() { for (int i = 0; i < this->location_list.size(); i++) { auto noise_value = ofNoise(glm::vec3(this->location_list[i].x * 0.005, this->location_list[i].y * 0.005, ofGetFrameNum() * 0.005)); if (noise_value > 0.85) { this->moving_location_list.push_back(this->location_list[i]); } } for (int i = this->moving_location_list.size() - 1; i >= 0; i--) { this->moving_location_list[i] += glm::vec3(0, 0, 8); if (this->moving_location_list[i].z > 200) { this->moving_location_list.erase(this->moving_location_list.begin() + i); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (int i = 0; i < this->location_list.size(); i++) { ofSetColor(239); ofFill(); ofDrawRectangle(this->location_list[i], this->rect_size, this->rect_size); ofSetColor(39); ofNoFill(); ofDrawRectangle(this->location_list[i], this->rect_size, this->rect_size); } for (int i = 0; i < this->moving_location_list.size(); i++) { ofSetColor(239); ofFill(); ofDrawRectangle(this->moving_location_list[i], this->rect_size, this->rect_size); ofSetColor(39); ofNoFill(); ofDrawRectangle(this->moving_location_list[i], this->rect_size, this->rect_size); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |