[ Video ]
[ About ]
流線模様。
[ Source ]
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 |
#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; }; |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->frame.clear(); float span = 1; float threshold_1 = 0.495; float threshold_2 = 0.505; float frame_param = ofGetFrameNum() * 0.005; float coordinate_param = 0.003; float len = 420; float angle; glm::highp_mat4 rotation; ofColor face_color, line_color; face_color = ofColor(39); for (float z = 0; z >= -len * 0.25; z -= 6) { line_color.setHsb((int)(ofGetFrameNum() * 2 + abs(z)) % 255, 0, 230); threshold_1 -= 0.0015; threshold_2 += 0.0015; for (float x = -len; x <= len; x += span) { for (float y = -len; y <= len; y += span) { glm::vec3 noise_location = glm::vec4(x, y, z * 2, 0) * rotation; auto noise_value = ofNoise(glm::vec4(noise_location * coordinate_param, frame_param)); if (noise_value < threshold_1 || noise_value > threshold_2) { continue; } glm::vec3 loc_1 = glm::vec4(x - span, y, z * 2, 0) * rotation; auto noise_1 = ofNoise(glm::vec4(loc_1 * coordinate_param, frame_param)); glm::vec3 loc_2 = glm::vec4(x, y + span, z * 2, 0) * rotation; auto noise_2 = ofNoise(glm::vec4(loc_2 * coordinate_param, frame_param)); glm::vec3 loc_3 = glm::vec4(x + span, y, z * 2, 0) * rotation; auto noise_3 = ofNoise(glm::vec4(loc_3 * coordinate_param, frame_param)); glm::vec3 loc4 = glm::vec4(x, y - span, z * 2, 0) * rotation; auto noise_4 = ofNoise(glm::vec4(loc4 * coordinate_param, frame_param)); 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); for (int i = 0; i < 4; i++) { this->face.addColor(face_color); } 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); 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); this->frame.addColor(line_color); this->frame.addColor(line_color); } 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); this->frame.addColor(line_color); this->frame.addColor(line_color); } 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); this->frame.addColor(line_color); this->frame.addColor(line_color); } 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); this->frame.addColor(line_color); this->frame.addColor(line_color); } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(120); ofRotateZ(ofGetFrameNum() * 1.44); this->frame.draw(); this->face.draw(); /* 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); } } */ this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |