8×8×8led立体点阵实现三维动态效果数字的代码

以下是一个基于Arduino平台的8x8x8 RGB LED立方体的代码，可以实现三维动态效果数字的显示：

#include <FastLED.h>

#define LED_PIN 6
#define LED_COUNT 512

CRGB leds[LED_COUNT];
int cube[8][8][8]; // 8x8x8 cube array

void setup() {
  FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, LED_COUNT);
  FastLED.setBrightness(50);
  Serial.begin(9600);
  initCube(); // initialize cube with 0
}

void loop() {
  int num = 123; // number to display
  clearCube(); // clear the cube
  drawNumber(num); // draw the number on the cube
  showCube(); // show the cube
  delay(500);
}

// initialize the cube with 0
void initCube() {
  for(int z = 0; z < 8; z++) {
    for(int y = 0; y < 8; y++) {
      for(int x = 0; x < 8; x++) {
        cube[x][y][z] = 0;
      }
    }
  }
}

// clear the cube
void clearCube() {
  for(int i = 0; i < LED_COUNT; i++) {
    leds[i] = CRGB::Black;
  }
}

// draw a number on the cube
void drawNumber(int num) {
  int digits[3];
  digits[0] = num % 10; // ones digit
  digits[1] = (num / 10) % 10; // tens digit
  digits[2] = (num / 100) % 10; // hundreds digit
  
  for(int i = 0; i < 3; i++) {
    drawDigit(digits[i], i * 3, 0, 0); // draw each digit on the cube
  }
}

// draw a digit on the cube
void drawDigit(int digit, int x, int y, int z) {
  int segments[7][3];
  
  switch(digit) {
    case 0:
      segments[0][0] = x+1; segments[0][1] = y; segments[0][2] = z;
      segments[1][0] = x+1; segments[1][1] = y+1; segments[1][2] = z;
      segments[2][0] = x; segments[2][1] = y+1; segments[2][2] = z;
      segments[3][0] = x; segments[3][1] = y+1; segments[3][2] = z+1;
      segments[4][0] = x; segments[4][1] = y; segments[4][2] = z+1;
      segments[5][0] = x+1; segments[5][1] = y; segments[5][2] = z+1;
      break;
    case 1:
      segments[0][0] = x+1; segments[0][1] = y; segments[0][2] = z;
      segments[1][0] = x+1; segments[1][1] = y+1; segments[1][2] = z;
      break;
    case 2:
      segments[0][0] = x; segments[0][1] = y; segments[0][2] = z;
      segments[1][0] = x+1; segments[1][1] = y; segments[1][2] = z;
      segments[2][0] = x+1; segments[2][1] = y+1; segments[2][2] = z;
      segments[3][0] = x; segments[3][1] = y+1; segments[3][2] = z;
      segments[4][0] = x; segments[4][1] = y+1; segments[4][2] = z+1;
      segments[5][0] = x+1; segments[5][1] = y+1; segments[5][2] = z+1;
      break;
    case 3:
      segments[0][0] = x; segments[0][1] = y; segments[0][2] = z;
      segments[1][0] = x+1; segments[1][1] = y; segments[1][2] = z;
      segments[2][0] = x+1; segments[2][1] = y+1; segments[2][2] = z;
      segments[3][0] = x+1; segments[3][1] = y+1; segments[3][2] = z+1;
      segments[4][0] = x; segments[4][1] = y+1; segments[4][2] = z+1;
      segments[5][0] = x; segments[5][1] = y+1; segments[5][2] = z;
      break;
    case 4:
      segments[0][0] = x; segments[0][1] = y; segments[0][2] = z;
      segments[1][0] = x; segments[1][1] = y+1; segments[1][2] = z;
      segments[2][0] = x+1; segments[2][1] = y+1; segments[2][2] = z;
      segments[3][0] = x+1; segments[3][1] = y+1; segments[3][2] = z+1;
      break;
    case 5:
      segments[0][0] = x; segments[0][1] = y+1; segments[0][2] = z;
      segments[1][0] = x; segments[1][1] = y; segments[1][2] = z;
      segments[2][0] = x+1; segments[2][1] = y; segments[2][2] = z;
      segments[3][0] = x+1; segments[3][1] = y+1; segments[3][2] = z;
      segments[4][0] = x+1; segments[4][1] = y+1; segments[4][2] = z+1;
      segments[5][0] = x; segments[5][1] = y+1; segments[5][2] = z+1;
      break;
    case 6:
      segments[0][0] = x; segments[0][1] = y+1; segments[0][2] = z;
      segments[1][0] = x+1; segments[1][1] = y+1; segments[1][2] = z;
      segments[2][0] = x+1; segments[2][1] = y; segments[2][2] = z;
      segments[3][0] = x+1; segments[3][1] = y; segments[3][2] = z+1;
      segments[4][0] = x; segments[4][1] = y; segments[4][2] = z+1;
      segments[5][0] = x; segments[5][1] = y+1; segments[5][2] = z+1;
      break;
    case 7:
      segments[0][0] = x; segments[0][1] = y; segments[0][2] = z;
      segments[1][0] = x+1; segments[1][1] = y; segments[1][2] = z;
      segments[2][0] = x+1; segments[2][1] = y+1; segments[2][2] = z;
      break;
    case 8:
      segments[0][0] = x; segments[0][1] = y; segments[0][2] = z;
      segments[1][0] = x; segments[1][1] = y+1; segments[1][2] = z;
      segments[2][0] = x+1; segments[2][1] = y+1; segments[2][2] = z;
      segments[3][0] = x+1; segments[3][1] = y+1; segments[3][2] = z+1;
      segments[4][0] = x+1; segments[4][1] = y; segments[4][2] = z+1;
      segments[5][0] = x; segments[5][1] = y; segments[5][2] = z+1;
      segments[6][0] = x; segments[6][1] = y+1; segments[6][2] = z+1;
      break;
    case 9:
      segments[0][0] = x; segments[0][1] = y; segments[0][2] = z;
      segments[1][0] = x; segments[1][1] = y+1; segments[1][2] = z;
      segments[2][0] = x+1; segments[2][1] = y+1; segments[2][2] = z;
      segments[3][0] = x+1; segments[3][1] = y+1; segments[3][2] = z+1;
      segments[4][0] = x+1; segments[4][1] = y; segments[4][2] = z+1;
      segments[5][0] = x; segments[5][1] = y; segments[5][2] = z+1;
      break;
  }
  
  // set the cube array values for the segments of the digit
  for(int i = 0; i < 7; i++) {
    cube[segments[i][0]][segments[i][1]][segments[i][2]] = 1;
  }
}

// show the cube on the LED matrix
void showCube() {
  int index = 0;
  
  for(int z = 0; z < 8; z++) {
    for(int y = 0; y < 8; y++) {
      for(int x = 0; x < 8; x++) {
        if(cube[x][y][z] == 1) {
          leds[index] = CRGB::White;
        }
        else {
          leds[index] = CRGB::Black;
        }
        index++;
      }
    }
  }
  
  FastLED.show();
}

该代码使用FastLED库控制LED，初始化8x8x8的cube数组，并定义了drawDigit()函数，在其中设置了每个数字的7个线段的坐标，并将这些坐标在cube数组中标记为1。showCube()函数则将cube数组中的值映射到LED上，显示数字。在主循环中，可以通过调用drawNumber()函数，将数字显示在立方体上。