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箱の上の球体を回転させる。
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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) {}; ofEasyCam cam; vector<glm::vec3> location_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(0); ofSetColor(255); ofEnableDepthTest(); int span = 20; for (int x = -220; x <= 220; x += span) { for (int y = -220; y <= 220; y += span) { for (int z = -220; z <= 220; z += 440) { this->location_list.push_back(glm::vec3(x, y, z)); } } } for (int x = -220; x <= 220; x += 440) { for (int y = -220; y <= 220; y += span) { for (int z = -220 + span; z <= 220 - span; z += span) { this->location_list.push_back(glm::vec3(x, y, z)); } } } for (int x = -220 + span; x <= 220 - span; x += span) { for (int y = -220; y <= 220; y += 440) { for (int z = -220 + span; z <= 220 - span; z += span) { this->location_list.push_back(glm::vec3(x, y, z)); } } } } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.42); ofRotateY(ofGetFrameNum() * 0.74); for (auto location : this->location_list) { auto noise_value = ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)); if (noise_value > 0.55) { auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0.55, 1, 0, 190) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0.55, 1, 0, 190) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(location * 0.0025, ofGetFrameNum() * 0.01)), 0.55, 1, 0, 190) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1)); location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x; ofDrawSphere(location, 3); } else { ofDrawSphere(location, 3); } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |