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円を探せ。
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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(228,149,54); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); int size = 30; for (int x = size * -10; x <= size * 10; x += size) { for (int y = size * -10; y <= size * 10; y += size) { ofPushMatrix(); ofTranslate(x, y); glm::vec2 param = glm::vec2(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005)); int start_x = param.x < 0.48 ? size * -0.5 : param.x > 0.52 ? 0 : ofMap(param.x, 0.48, 0.52, size * -0.5, 0); int start_y = param.y < 0.48 ? size * -0.5 : param.y > 0.52 ? 0 : ofMap(param.y, 0.48, 0.52, size * -0.5, 0); ofSetColor(230); ofDrawLine(start_x, 0, start_x + size * 0.5, 0); ofDrawLine(0, start_y, 0, start_y + size * 0.5); ofSetColor(125); if (param.x < 0.48 && param.y < 0.48) { ofTranslate(size * -0.5, size * -0.5); ofBeginShape(); for (int deg = 0; deg < 90; deg += 1) { ofVertex(size * 0.2 * cos(deg * DEG_TO_RAD), size * 0.2 * sin(deg * DEG_TO_RAD)); } ofVertex(0, 0); ofEndShape(true); } if (param.x > 0.52 && param.y < 0.48) { ofTranslate(size * 0.5, size * -0.5); ofBeginShape(); for (int deg = 90; deg < 180; deg += 1) { ofVertex(size * 0.2 * cos(deg * DEG_TO_RAD), size * 0.2 * sin(deg * DEG_TO_RAD)); } ofVertex(0, 0); ofEndShape(true); } if (param.x > 0.52 && param.y > 0.52) { ofTranslate(size * 0.5, size * 0.5); ofBeginShape(); for (int deg = 180; deg < 270; deg += 1) { ofVertex(size * 0.2 * cos(deg * DEG_TO_RAD), size * 0.2 * sin(deg * DEG_TO_RAD)); } ofVertex(0, 0); ofEndShape(true); } if (param.x < 0.48 && param.y > 0.52) { ofTranslate(size * -0.5, size * 0.5); ofBeginShape(); for (int deg = 270; deg < 360; deg += 1) { ofVertex(size * 0.2 * cos(deg * DEG_TO_RAD), size * 0.2 * sin(deg * DEG_TO_RAD)); } ofVertex(0, 0); ofEndShape(true); } ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |