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Random walk of 3d by Noise.
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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) {}; ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetColor(255); ofNoFill(); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); // X ofBeginShape(); for (int y = 120; y <= 340; y += 1) { auto x = ofMap(ofNoise(noise_seed.y, (((y + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100); ofVertex(x, y); } ofEndShape(); ofBeginShape(); for (int y = -120; y >= -340; y -= 1) { auto x = ofMap(ofNoise(noise_seed.y, (((y + 240 + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100); ofVertex(x, y); } ofEndShape(); // Y ofBeginShape(); for (int x = 120; x <= 340; x += 1) { auto y = ofMap(ofNoise(noise_seed.x, (((x + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100); ofVertex(x, y); } ofEndShape(); ofBeginShape(); for (int x = -120; x >= -340; x -= 1) { auto y = ofMap(ofNoise(noise_seed.x, (((x + 240 + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100); ofVertex(x, y); } ofEndShape(); // Z ofBeginShape(); for (int p = 120; p <= 340; p += 1) { auto z = ofMap(ofNoise(noise_seed.z, (((p + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100); ofVertex(p, p, z); } ofEndShape(); ofBeginShape(); for (int p = -120; p >= -340; p -= 1) { auto z = ofMap(ofNoise(noise_seed.z, (((p + 240 + 340) * 0.5 + ofGetFrameNum()) * 0.01)), 0, 1, -100, 100); ofVertex(p, p, z); } ofEndShape(); ofFill(); ofSetColor(255); auto location = glm::vec3( ofMap(ofNoise(noise_seed.y, (460 * 0.5 + ofGetFrameNum()) * 0.01), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.x, (460 * 0.5 + ofGetFrameNum()) * 0.01), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.z, (460 * 0.5 + ofGetFrameNum()) * 0.01), 0, 1, -100, 100) ); ofDrawSphere(location, 5); for (int i = 1; i < 10; i++) { ofSetColor(ofMap(i, 1, 10, 255, 0)); auto log = glm::vec3( ofMap(ofNoise(noise_seed.y, (460 * 0.5 + ofGetFrameNum() - i * 3) * 0.01), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.x, (460 * 0.5 + ofGetFrameNum() - i * 3) * 0.01), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.z, (460 * 0.5 + ofGetFrameNum() - i * 3) * 0.01), 0, 1, -100, 100)); ofDrawSphere(log, 5); } ofNoFill(); ofSetColor(64); ofSetLineWidth(1); ofDrawBox(180); ofDrawLine(glm::vec3(location.x, 120, 0), location); ofDrawLine(glm::vec3(location.x, -120, 0), location); ofDrawLine(glm::vec3(120, location.y, 0), location); ofDrawLine(glm::vec3(-120, location.y, 0), location); ofDrawLine(glm::vec3(120, 120, location.z), location); ofDrawLine(glm::vec3(-120, -120, location.z), location); ofSetColor(255); ofSetLineWidth(0.5); ofDrawLine(glm::vec2(-100, -120), glm::vec2(100, -120)); ofDrawLine(glm::vec2(-100, 120), glm::vec2(100, 120)); ofDrawLine(glm::vec2(120, -100), glm::vec2(120, 100)); ofDrawLine(glm::vec2(-120, -100), glm::vec2(-120, 100)); ofDrawLine(glm::vec2(-100, -340), glm::vec2(100, -340)); ofDrawLine(glm::vec2(-100, 340), glm::vec2(100, 340)); ofDrawLine(glm::vec2(340, -100), glm::vec2(340, 100)); ofDrawLine(glm::vec2(-340, -100), glm::vec2(-340, 100)); ofDrawLine(glm::vec3(340, 340, -100), glm::vec3(340, 340, 100)); ofDrawLine(glm::vec3(120, 120, -100), glm::vec3(120, 120, 100)); ofDrawLine(glm::vec3(-340, -340, -100), glm::vec3(-340, -340, 100)); ofDrawLine(glm::vec3(-120, -120, -100), glm::vec3(-120, -120, 100)); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |