Coordinates

/** * Coordinates. * * All shapes drawn to the screen have a position that is * specified as a coordinate. All coordinates are measured * as the distance from the origin in units of pixels. * The origin (0, 0) is the coordinate is in the upper left * of the window and the coordinate in the lower right is * (width-1, height-1). */ // Sets the screen to be 640 pixels wide and 360 pixels high size(640, 360); // Set the background to black and turn off the fill color background(0); noFill(); // The two parameters of the point() function define its location. // The first parameter is the x-coordinate and the second is the y-coordinate stroke(255); point(320, 180); point(320, 90); // Coordinates are used for drawing all shapes, not just points. // Parameters for different functions are used for different purposes. // For example, the first two parameters to line() specify // the coordinates of the first endpoint and the second two parameters // specify the second endpoint stroke(0, 153, 255); line(0, 120, 640, 120); // The first two parameters to rect() are the coordinates of the // upper-left corner and the second pair is the width and height // of the rectangle stroke(255, 153, 0); rect(160, 36, 320, 288);