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すき間のあるBOX.
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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 face, frame; float noise_value; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(2); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); if (ofGetFrameNum() % 60 < 25) { this->noise_value += ofMap(ofGetFrameNum() % 60, 0, 25, 0.2, 0); } this->face.clear(); this->frame.clear(); float span = 0.5; float coordinate_param = 0.01; float len = 170; float z = len + span * 0.5; float angle; glm::highp_mat4 rotation; for (float threshold_base = 0.4; threshold_base < 0.7; threshold_base += 0.2) { float threshold_1 = threshold_base - 0.065; float threshold_2 = threshold_base + 0.065; for (int i = 0; i <= 6; i++) { for (float x = -len; x <= len; x += span) { for (float y = -len; y <= len; y += span) { if (i <= 4) { angle = PI * 0.5 * i; rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 1, 0)); } if (i == 5) { angle = PI * 0.5; rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0)); } if (i == 6) { angle = PI * 0.5 * 3; rotation = glm::rotate(glm::mat4(), angle, glm::vec3(1, 0, 0)); } glm::vec3 noise_location = glm::vec4(x, y, z, 0) * rotation; auto noise_value = ofNoise(glm::vec4(noise_location * coordinate_param, this->noise_value)); if (noise_value < threshold_1 || noise_value > threshold_2) { continue; } glm::vec3 loc_1 = glm::vec4(x - span, y, z, 0) * rotation; auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, this->noise_value)); glm::vec3 loc_2 = glm::vec4(x, y + span, z, 0) * rotation; auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, this->noise_value)); glm::vec3 loc_3 = glm::vec4(x + span, y, z, 0) * rotation; auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, this->noise_value)); glm::vec3 loc4 = glm::vec4(x, y - span, z, 0) * rotation; auto noise_4 = ofNoise(glm::vec4(loc4 * coordinate_param, this->noise_value)); auto index = this->face.getNumVertices(); vector<glm::vec3> vertices; vertices.push_back(glm::vec4(x - span * 0.5, y - span * 0.5, z, 0) * rotation); vertices.push_back(glm::vec4(x + span * 0.5, y - span * 0.5, z, 0) * rotation); vertices.push_back(glm::vec4(x + span * 0.5, y + span * 0.5, z, 0) * rotation); vertices.push_back(glm::vec4(x - span * 0.5, y + span * 0.5, z, 0) * rotation); this->face.addVertices(vertices); this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2); this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3); ofColor face_color; face_color.setHsb(ofMap(threshold_base, 0.4, 0.7, 0, 255), 180, 255); this->face.addColor(face_color); this->face.addColor(face_color); this->face.addColor(face_color); this->face.addColor(face_color); if (noise_1 < threshold_1 || noise_1 > threshold_2) {// || x == -len) { this->frame.addVertex(vertices[0]); this->frame.addVertex(vertices[3]); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); } if (noise_2 < threshold_1 || noise_2 > threshold_2) {// || y == len) { this->frame.addVertex(vertices[2]); this->frame.addVertex(vertices[3]); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); } if (noise_3 < threshold_1 || noise_3 > threshold_2) { // || x == len) { this->frame.addVertex(vertices[1]); this->frame.addVertex(vertices[2]); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); } if (noise_4 < threshold_1 || noise_4 > threshold_2) {// || y == -len) { this->frame.addVertex(vertices[0]); this->frame.addVertex(vertices[1]); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); } } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.77); ofRotateX(ofGetFrameNum() * 1.54); ofSetColor(39); this->frame.draw(); this->face.draw(); this->cam.end(); /* int start = 1; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << 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); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |