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追随箱。
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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; ofMesh frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofNoFill(); ofSetLineWidth(1); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofSeedRandom(39); this->frame.clear(); auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); for (int len = 100; len <= 350; len += 30) { auto noise_x = ofNoise(noise_seed.x, len * -0.00015 + ofGetFrameNum() * 0.01); auto noise_y = ofNoise(noise_seed.y, len * -0.00015 + ofGetFrameNum() * 0.01); auto noise_z = ofNoise(noise_seed.z, len * -0.00015 + ofGetFrameNum() * 0.01); if (noise_x < 0.2) { noise_x = 0; } else if (noise_x < 0.4) { noise_x = ofMap(noise_x, 0.2, 0.4, 0, 0.5); } else if (noise_x < 0.6) { noise_x = 0.5; } else if (noise_x < 0.8) { noise_x = ofMap(noise_x, 0.6, 0.8, 0.5, 1.0); } else { noise_x = 1; } if (noise_y < 0.2) { noise_y = 0; } else if (noise_y < 0.4) { noise_y = ofMap(noise_y, 0.2, 0.4, 0, 0.5); } else if (noise_y < 0.6) { noise_y = 0.5; } else if (noise_y < 0.8) { noise_y = ofMap(noise_y, 0.6, 0.8, 0.5, 1.0); } else { noise_y = 1; } if (noise_z < 0.2) { noise_z = 0; } else if (noise_z < 0.4) { noise_z = ofMap(noise_z, 0.2, 0.4, 0, 0.5); } else if (noise_z < 0.6) { noise_z = 0.5; } else if (noise_z < 0.8) { noise_z = ofMap(noise_z, 0.6, 0.8, 0.5, 1.0); } else { noise_z = 1; } auto angle_x = ofMap(noise_x, 0, 1, -90, 90); auto angle_y = ofMap(noise_y, 0, 1, -90, 90); auto angle_z = ofMap(noise_z, 0, 1, -90, 90); ofSetColor(239); ofPushMatrix(); ofRotateZ(angle_z); ofRotateY(angle_y); ofRotateX(angle_x); ofNoFill(); ofDrawBox(len); if (len == 100) { ofFill(); ofSetColor(0); ofDrawBox(len); } ofPopMatrix(); } this->frame.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |