Name

pmouseY

Description

The system variable pmouseY always contains the vertical position of the mouse in the frame previous to the current frame. More detailed information about how pmouseY is updated inside of draw() and mouse events is explained in the reference for pmouseX.

Examples

  • // Move the mouse quickly to see the difference 
    // between the current and previous position 
    void draw() { 
      background(204); 
      line(20, mouseY, 80, pmouseY); 
      println(mouseY + " : " + pmouseY);
    }