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心臓血管。
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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) {}; 	glm::vec3 make_point(float theta); 	float noise_param; };  | 
					
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						#include "ofApp.h"	 //-------------------------------------------------------------- void ofApp::setup() { 	ofSetFrameRate(25); 	ofSetWindowTitle("openFrameworks"); 	ofBackground(239); 	ofSetColor(39); 	ofNoFill(); 	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY); } //-------------------------------------------------------------- void ofApp::update() { 	ofSeedRandom(39); 	noise_param += 0.02; } //-------------------------------------------------------------- void ofApp::draw() { 	ofTranslate(ofGetWindowSize() * 0.5 + glm::vec2(0, -50)); 	ofColor color; 	vector<ofColor> color_list; 	for (int value = 0; value < 255; value += 170) { 		color.setHsb(value, 255, 255); 		color_list.push_back(color); 	} 	float scale_span = 0.05; 	float deg_span = 0.05; 	float noise_seed = ofRandom(1000); 	for (int i = 0; i < color_list.size(); i++) { 		ofMesh mesh; 		noise_seed += 0.05; 		for (float scale = 0; scale < 20; scale += scale_span) { 			for (float deg = 0; deg < 360; deg += deg_span) { 				auto noise_location = this->make_point((deg + deg_span * 0.5) * DEG_TO_RAD) * (scale + scale_span * 0.5); 				auto noise_value = ofNoise(noise_seed + noise_param, noise_location.x * 0.0085, noise_location.y * 0.0085); 				if (noise_value > 0.4 && noise_value < 0.5) { 					mesh.addVertex(this->make_point(deg * DEG_TO_RAD) * scale); 					mesh.addVertex(this->make_point((deg + deg_span) * DEG_TO_RAD) * scale); 					mesh.addVertex(this->make_point((deg + deg_span) * DEG_TO_RAD) * (scale + scale_span)); 					mesh.addVertex(this->make_point(deg * DEG_TO_RAD) * (scale + scale_span)); 					mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 2); mesh.addIndex(mesh.getNumVertices() - 3); 					mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 3); mesh.addIndex(mesh.getNumVertices() - 4); 					mesh.addColor(color_list[i]); 					mesh.addColor(color_list[i]); 					mesh.addColor(color_list[i]); 					mesh.addColor(color_list[i]); 				} 			} 		} 		mesh.draw(); 	} 	ofBeginShape(); 	for (float deg = 0; deg < 360; deg += 1) { 		ofVertex(this->make_point(deg * DEG_TO_RAD) * 20); 	} 	ofEndShape(true); 	/* 	// ffmpeg -i img_%04d.jpg aaa.mp4 	int start = 2; 	if (ofGetFrameNum() > start) { 		std::ostringstream os; 		os << std::setw(4) << std::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); 		} 	} 	*/ } //-------------------------------------------------------------- // Reference by https://twitter.com/shiffman/status/1095764239665512453 glm::vec3 ofApp::make_point(float theta) { 	float x = 16 * (pow(sin(theta), 3)); 	float y = 13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta); 	return glm::vec3(x, -y, 0); } //-------------------------------------------------------------- int main() { 	ofSetupOpenGL(720, 720, OF_WINDOW); 	ofRunApp(new ofApp()); }  | 
					
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/fdd538dd670111655fbb20c8c7c5e58ef6c749cc