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落書き。
Scribbling.
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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 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) {}; vector<glm::vec2> rect_location_list; vector<vector<float>> rect_param_list; vector<ofColor> color_list; float rect_size; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(239); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY); ofColor color; vector<int> hex_list = { 0x2a9d8f, 0xe9c46a, 0xf4a261, 0xe76f51 }; for (auto hex : hex_list) { color.setHex(hex); this->color_list.push_back(color); } this->rect_size = 10; for (float x = 60; x <= ofGetWidth() - 60; x += this->rect_size) { for (float y = 60; y <= ofGetHeight() - 60; y += this->rect_size) { this->rect_location_list.push_back(glm::vec2(x, y)); vector<float> param_list; for (int i = 0; i < this->color_list.size(); i++) { param_list.push_back(0); } this->rect_param_list.push_back(param_list); } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); for (int i = 0; i < this->color_list.size(); i++) { auto noise_location = glm::vec2(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -60, ofGetWidth() + 60), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.015), 0, 1, -60, ofGetHeight() + 60)); for (int k = 0; k < this->rect_location_list.size(); k++) { if (glm::distance(noise_location, this->rect_location_list[k]) < 60) { this->rect_param_list[k][i] = this->rect_param_list[k][i] < 100 ? this->rect_param_list[k][i] + 4 : 100; } else { this->rect_param_list[k][i] = this->rect_param_list[k][i] > 0 ? this->rect_param_list[k][i] - 0.5 : 0; } } } } //-------------------------------------------------------------- void ofApp::draw() { for (int i = 0; i < this->rect_location_list.size(); i++) { for (int k = 0; k < this->color_list.size(); k++) { if (this->rect_param_list[i][k] > 0) { ofSetColor(ofColor(this->color_list[k])); ofDrawRectangle(this->rect_location_list[i], 10, 10); } } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |