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太陽!
Sun !
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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) {}; glm::vec2 make_point(int len, int param); void draw_sun(glm::vec2, vector<ofColor> color_palette); }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(255); ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); // Day 062 Cardinal Red vector<ofColor> color_palette; color_palette.push_back(ofColor(183, 24, 12)); color_palette.push_back(ofColor(175, 168, 86)); color_palette.push_back(ofColor(220, 221, 221)); for (int x = -240; x <= 240; x += 240) { this->draw_sun(glm::vec2(x, 0), color_palette); } // Day 165 French Vanilla color_palette.clear(); color_palette.push_back(ofColor(249, 233, 204)); color_palette.push_back(ofColor(217, 160, 182)); color_palette.push_back(ofColor(124, 91, 143)); for (int x = -240; x <= 240; x += 240) { this->draw_sun(glm::vec2(x, -240), color_palette); } // Day 228 Zenith Blue color_palette.clear(); color_palette.push_back(ofColor(134, 179, 224)); color_palette.push_back(ofColor(251, 218, 205)); color_palette.push_back(ofColor(234, 96, 148)); for (int x = -240; x <= 240; x += 240) { this->draw_sun(glm::vec2(x, 240), color_palette); } } //-------------------------------------------------------------- glm::vec2 ofApp::make_point(int len, int param) { param = param % 100; if (param < 25) { return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5); } else if (param < 50) { return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5)); } else if (param < 75) { return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5); } else { return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5)); } } //-------------------------------------------------------------- void ofApp::draw_sun(glm::vec2 location, vector<ofColor> color_palette) { int small_radius = 35; int big_radius = 200; int param_span = 2; for (int i = 0; i < 3; i++) { int x = i * 235 - 235; ofSetColor(color_palette[i % 3]); ofFill(); ofDrawRectangle(glm::vec2(x, location.y), big_radius * 1.05, big_radius * 1.05); for (int param_start = ofGetFrameNum() * 0.15; param_start < ofGetFrameNum() * 0.15 + 100; param_start += param_span * 2) { vector<glm::vec2> in, out; for (int param = param_start; param < param_start + param_span; param++) { int deg = param * 3.6 - 135; in.push_back(glm::vec2(x + small_radius * cos(deg * DEG_TO_RAD), location.y + small_radius * sin(deg * DEG_TO_RAD))); out.push_back(glm::vec2(x, location.y) + make_point(big_radius, param)); } reverse(out.begin(), out.end()); ofSetColor(color_palette[(i + 1) % 3]); ofFill(); ofBeginShape(); ofVertices(in); ofVertices(out); ofEndShape(true); ofDrawCircle(glm::vec2(x, location.y), small_radius * 0.8); } ofSetColor(color_palette[(i + 1) % 3]); ofNoFill(); ofDrawRectangle(glm::vec2(x, location.y), big_radius * 1.05, big_radius * 1.05); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |