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昨日の「再帰で四角」を3Dにしてみました。level変数によって高さが決まるので、面積の大きい四角形は高さが低く、面積の小さい四角は高さが高く描写されています。
フレーム数で伸びるようにしたので、ニョキっと感が出て良いと思います。
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#pragma once #include "ofMain.h" #include "RecuRect.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; ofLight light; RecuRect r_rect; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(255); ofSetWindowTitle("Insta"); ofEnableDepthTest(); ofEnableLighting(); ofNoFill(); this->light.setPosition(ofVec3f(0, 0, 1024)); this->light.enable(); } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 180 == 0) { ofSetColor(ofRandom(255), ofRandom(255), ofRandom(255)); this->r_rect = RecuRect(5, ofVec2f(0, 0), 720, true); } this->r_rect.update(); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotate(ofGetFrameNum() * 0.25); ofNoFill(); ofDrawRectangle(ofVec2f(-ofGetWidth() / 2, -ofGetHeight() / 2), ofGetWidth(), ofGetHeight()); this->r_rect.draw(); this->cam.end(); } //======================================================================== int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
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#pragma once #include "ofMain.h" class RecuRect { public: RecuRect(); RecuRect(int level, ofVec2f location, float size, bool origin = false); ~RecuRect(); void update(); void draw(); private: int level; ofVec2f location; float size; int type; bool origin; float height; float height_max; std::vector<RecuRect> rects; }; |
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#include "RecuRect.h" RecuRect::RecuRect() { } RecuRect::RecuRect(int level, ofVec2f location, float size, bool origin) { this->type = ofRandom(100); if (origin || (level > 0 && this->type > 20)) { this->rects.push_back(RecuRect(level - 1, ofVec2f(location.x - size / 4, location.y - size / 4), size / 2)); this->rects.push_back(RecuRect(level - 1, ofVec2f(location.x - size / 4, location.y + size / 4), size / 2)); this->rects.push_back(RecuRect(level - 1, ofVec2f(location.x + size / 4, location.y - size / 4), size / 2)); this->rects.push_back(RecuRect(level - 1, ofVec2f(location.x + size / 4, location.y + size / 4), size / 2)); } this->level = level; this->location = location; this->size = size; this->origin = origin; this->height = 0; this->height_max = -1 * (140 - 20 * level); } RecuRect::~RecuRect() { } void RecuRect::update() { for (int i = 0; i < this->rects.size(); i++) { this->rects[i].update(); } if (this->height > this->height_max) { this->height -= 3; } } void RecuRect::draw() { for (int i = 0; i < this->rects.size(); i++) { this->rects[i].draw(); } if (this->type > 60) { ofFill(); ofDrawBox(this->location.x, this->location.y, -this->height / 2, size, size, this->height); } } |