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カラーバンド。
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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) {}; vector<glm::vec2> location_list; vector<int> life_list; vector<ofColor> color_list; float noise_value; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetLineWidth(3); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(1000); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofColor color; auto noise_p = ofRandom(1000); for (int hue = 0; hue < 255; hue += 32) { noise_p += 0.2; auto deg_start = ofMap(hue, 0, 255, 0, 360); color.setHsb(hue, 200, 255); ofSetColor(ofColor(color, 92)); ofFill(); ofBeginShape(); for (int deg = deg_start; deg < deg_start + 360; deg += 1) { auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015); auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360); auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); ofVertex(location); } ofNextContour(true); for (int deg = deg_start; deg < deg_start + 360; deg += 1) { auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015); auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360) - 15; auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); ofVertex(location); } ofEndShape(true); ofSetColor(ofColor(color)); ofNoFill(); ofBeginShape(); for (int deg = deg_start; deg < deg_start + 360; deg += 1) { auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015); auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360); auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); ofVertex(location); } ofEndShape(true); ofBeginShape(); for (int deg = deg_start; deg < deg_start + 360; deg += 1) { auto noise_location = glm::vec4(noise_p, cos(deg * DEG_TO_RAD) * 0.15, sin(deg * DEG_TO_RAD) * 0.15, ofGetFrameNum() * 0.015); auto radius = ofMap(ofNoise(noise_location), 0, 1, 50, 360) - 15; auto location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); ofVertex(location); } ofEndShape(true); } /* int start = 75; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |