Distance 1D.

Distance 1D.

Move the mouse left and right to control the speed and direction of the moving shapes.

 
float xpos1;
float xpos2;
float xpos3;
float xpos4;
int thin = 8;
int thick = 36;

void setup() 
{
  size(640, 360);
  noStroke();
  xpos1 = width/2;
  xpos2 = width/2;
  xpos3 = width/2;
  xpos4 = width/2;
}

void draw() 
{
  background(0);
  
  float mx = mouseX * 0.4 - width/5.0;
  
  fill(102);
  rect(xpos2, 0, thick, height/2);
  fill(204);
  rect(xpos1, 0, thin, height/2);
  fill(102);
  rect(xpos4, height/2, thick, height/2);
  fill(204);
  rect(xpos3, height/2, thin, height/2);
	
  xpos1 += mx/16;
  xpos2 += mx/64;
  xpos3 -= mx/16;
  xpos4 -= mx/64;
  
  if(xpos1 < -thin)  { xpos1 =  width; }
  if(xpos1 >  width) { xpos1 = -thin; }
  if(xpos2 < -thick) { xpos2 =  width; }
  if(xpos2 >  width) { xpos2 = -thick; }
  if(xpos3 < -thin)  { xpos3 =  width; }
  if(xpos3 >  width) { xpos3 = -thin; }
  if(xpos4 < -thick) { xpos4 =  width; }
  if(xpos4 >  width) { xpos4 = -thick; }
}

Functions Used

fill()

Sets the color used to fill shapes

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size()

Defines the dimension of the display window width and height in units of pixels

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if

Allows the program to make a decision about which code to execute

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rect()

Draws a rectangle to the screen

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setup()

The setup() function is run once, when the program starts

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draw()

Called directly after setup(), the draw() function continuously executes the lines of code contained inside its block until the program is stopped or noLoop() is called

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noStroke()

Disables drawing the stroke (outline)

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background()

The background() function sets the color used for the background of the Processing window

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