ActionScript 3 色谱（不完整）

Posted 2021-05-23

// BITWISE OPERATORS

// HEX
var color24:Number = 0xFF >> 16 | 0x55 >> 8 | 0xF3;


// Decimal
var color24:Number = 255 >> 16 | 85 >> 8 | 243;


// Extracting
red = color24 >> 16;
green = color24 >> 8 & 0xFF;
blue = color24 & 0xFF;

// DRAWING SPECTRUM
nR = Math.cos(nRadians)                   * 127 + 128 << 16;
nG = Math.cos(nRadians + 2 * Math.PI / 3) * 127 + 128 << 8;
nB = Math.cos(nRadians + 4 * Math.PI / 3) * 127 + 128;
     
nColor  = nR | nG | nB;