p5.js Table getArray()用法及代码示例

function setup() { 
  createCanvas(600, 300); 
  textSize(18); 
  
  text("Click on the button to get the " + 
       "values of the table as an array", 
       20, 20); 
  
  setBtn = 
    createButton("Get all table values"); 
  setBtn.position(30, 40); 
  setBtn.mouseClicked(showTable); 
  
  // Create the table 
  table = new p5.Table(); 
  
  setTableData(); 
} 
  
function setTableData() { 
  table.addColumn('Invention'); 
  table.addColumn('Inventors'); 
  
  let tableRow = table.addRow(); 
  tableRow.setString('Invention', 'Telescope'); 
  tableRow.setString('Inventors', 'Galileo'); 
  
  tableRow = table.addRow(); 
  tableRow.setString('Invention', 'Steam Engine'); 
  tableRow.setString('Inventors', 'James Watt'); 
  
  tableRow = table.addRow(); 
  tableRow.setString('Invention', 'Radio'); 
  tableRow.setString('Inventors', 'Guglielmo Marconi'); 
} 
  
function showTable() { 
  clear(); 
  text("All values of the table are retrieved " + 
       "using the getArray() method", 20, 20); 
  
  // Get all the values in the table as an array 
  let tableArray = table.getArray(); 
  console.table(tableArray); 
  
  // Show all the rows currently 
  // present in the multi-dimensional array 
  for (let r = 0; r < tableArray.length; r++) { 
    for (let c = 0; c < tableArray[0].length; c++) { 
      text(str(tableArray[r]), 
           20 + 160 * c, 100 + 20 * r); 
    } 
  } 
}