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アメーバを敷き詰める。
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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) {}; void draw_circle_packing(glm::vec2, float, vector<ofColor>); ofEasyCam cam; float random_seed; vector<glm::vec2> location_list; vector<float> radus_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(0); ofNoFill(); this->random_seed = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 90 < 5) { this->random_seed = ofRandom(1000); } ofSeedRandom(this->random_seed); } //-------------------------------------------------------------- void ofApp::draw() { ofPushMatrix(); ofTranslate(ofGetWindowSize() * 0.5); vector<ofColor> color_palette; color_palette.push_back(ofColor(255, 0, 0)); color_palette.push_back(ofColor(0, 255, 0)); color_palette.push_back(ofColor(0, 0, 255)); color_palette.push_back(ofColor(255, 255, 0)); color_palette.push_back(ofColor(255, 0, 255)); color_palette.push_back(ofColor(0, 255, 255)); auto number_of_sphere = 150; vector<glm::vec2> location_list; vector<float> radius_list; while (location_list.size() < number_of_sphere) { auto location = glm::vec2(ofRandom(-300, 300), ofRandom(-300, 300)); auto radius = ofRandom(8, 80); bool flag = true; for (int i = 0; i < location_list.size(); i++) { if (glm::distance(location, location_list[i]) < (radius + radius_list[i]) * 0.85) { flag = false; break; } } if (flag) { location_list.push_back(location); radius_list.push_back(radius); ofPushMatrix(); ofTranslate(location); int color_index = ofRandom(color_palette.size()); ofFill(); ofSetColor(color_palette[color_index], 64); ofBeginShape(); for (int deg = 0; deg < 360; deg += 1) { auto noise_value = ofNoise(location.x + cos(deg * DEG_TO_RAD) * 2.5, location.y + sin(deg * DEG_TO_RAD) * 2.5, ofGetFrameNum() * 0.005); ofVertex(radius * noise_value * cos(deg * DEG_TO_RAD), radius * noise_value * sin(deg * DEG_TO_RAD)); } ofEndShape(true); ofNoFill(); ofSetColor(color_palette[color_index]); ofBeginShape(); for (int deg = 0; deg < 360; deg += 1) { auto noise_value = ofNoise(location.x + cos(deg * DEG_TO_RAD) * 2.5, location.y + sin(deg * DEG_TO_RAD) * 2.5, ofGetFrameNum() * 0.005); ofVertex(radius * noise_value * cos(deg * DEG_TO_RAD), radius * noise_value * sin(deg * DEG_TO_RAD)); } ofEndShape(true); ofPopMatrix(); } } ofPopMatrix(); } //-------------------------------------------------------------- void ofApp::draw_circle_packing(glm::vec2 location, float radius, vector<ofColor> color_palette) { auto number_of_sphere = radius * 0.8; vector<glm::vec2> location_list; vector<float> radius_list; while (location_list.size() < number_of_sphere) { auto tmp_deg = ofRandom(0, 360); auto noise_radius = ofMap(ofNoise(radius * cos(tmp_deg * DEG_TO_RAD) * 0.005, radius * sin(tmp_deg * DEG_TO_RAD) * 0.005, ofGetFrameNum() * 0.01), 0, 1, radius * 0.5, radius * 1.2); auto tmp_location_radius = ofRandom(1, noise_radius); auto tmp_location = glm::vec2(location.x + tmp_location_radius * cos(tmp_deg * DEG_TO_RAD), location.y + tmp_location_radius * sin(tmp_deg * DEG_TO_RAD)); auto tmp_radius = ofRandom(radius * 0.003, radius * 0.22); bool flag = true; for (int i = 0; i < location_list.size(); i++) { if (glm::distance(tmp_location, location_list[i]) < tmp_radius + radius_list[i] + 1) { flag = false; break; } } if (flag) { location_list.push_back(tmp_location); radius_list.push_back(tmp_radius); ofPushMatrix(); ofTranslate(tmp_location); int color_index = ofRandom(color_palette.size()); ofFill(); ofSetColor(color_palette[color_index], 100); ofBeginShape(); for (int deg = 0; deg < 360; deg += 1) { auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05); ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD)); } ofEndShape(true); ofNoFill(); ofSetColor(color_palette[color_index]); ofBeginShape(); for (int deg = 0; deg < 360; deg += 1) { auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05); ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD)); } ofEndShape(true); ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |