Modify a text file: $/practice-array-1.pde

$/practice-array-1.pde

////// practice-array-1.pde // Display all elements of an array (with bar charts, etc.)

float [] a = { 99.1, 33.2, 344.3, 22.4, 66.7 };
int many=  a.length;
int nextX, nextY;        // Coords of next display.
final int FIRSTX=10, FIRSTY=20, SPACING=12;

float big=100,  multiplier;

void setup()
{
  size( 800,480);
	text("practice-array-1 // Display all elements of an array (with bar charts, etc.", 10, height-20 );
}
void draw()    // Show all values;
{
   //  big=  biggest( a );              // Find biggest value in a.
   // big=  biggest( a );              // Find biggest value in a.
 
   
   int k=  whereBig( a );
   big=  a[ k ];              // Gets  biggest value in a.

multiplier=  (width-90) / big;

//scene();
  show();
}
void scene() { 
  background( 255,255,200 ); 
}

void show()      //// Show elements of array.
{
  nextX=  FIRSTX;
  nextY=  FIRSTY;
  for (int j=0; j<many; j++ )
  {
    display( a[j] );
  }
}
void display( float v )    //// display one value on the screen. 
                            // ++++ Note to self:  maybe later I'll figure out how to make a bar.
{
  fill(0);
  text( v, nextX, nextY );
  bar( v );
  nextY += 15;
}
void bar( float v )        //// Draw a bar.
{
  float x, y, w, h;
  x= nextX + 60;
  y=  nextY - SPACING;
  w=  v * multiplier;
  h=SPACING-2;
  // Draw the bar.
  fill(255,0,0);
  rectMode( CORNER );
  rect( x,y, w, h );
}

float biggest( float[] z )        // Retgurn biggest value in this array.
{
  float result; 
  result=  z[0]; 
  for ( int j=0; j < z.length; j++)
  {
    if (z[j] > big) result=  z[0]  ;    /// replace with bigger value.
  }
  return result;
}
int  whereBig( float[] z )        // Return INDEX OF the biggest value in this array.
{
  int w=0;  
  for ( int j=0; j < z.length; j++)
  {
    if (z[j] > z[w]) w=j;        // replace w with INDEX of bigger value!
  }
  return w;
}