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Noise関数の結果で、Boxの数を決めています。
Y座標を元に色を決めているので、グラデーションの層になります。
Gradation boxes.
[ Source ]
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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; 	ofBoxPrimitive box; };  | 
					
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						#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { 	ofSetFrameRate(30); 	ofBackground(255); 	ofSetWindowTitle("Insta"); 	ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { 	float size = 300; 	float box_size = 30; 	this->cam.begin(); 	ofRotateY(ofGetFrameNum()); 	for (float x = -size; x <= size; x += box_size) { 		for (float z = -size; z <= size; z += box_size) { 			for (float y = 0; y <= (size * 2) * ofMap(ofNoise(x * 0.0025, z * 0.0025 + ofGetFrameNum() * 0.05), 0, 1, 0, 0.9); y += box_size) { 				ofPushMatrix(); 				ofTranslate(ofVec3f(x, y, z)); 				ofColor box_color; 				box_color.setHsb(255 - y / (size * 2) * 255, 255, 255); 				ofSetColor(box_color); 				this->box.set(box_size); 				this->box.draw(); 				ofPopMatrix(); 			} 		} 	} 	this->cam.end(); } //-------------------------------------------------------------- int main() { 	ofSetupOpenGL(720, 720, OF_WINDOW); 	ofRunApp(new ofApp()); }  |