mirror of
https://github.com/processing/processing4.git
synced 2026-01-30 20:01:09 +01:00
35 lines
752 B
Plaintext
35 lines
752 B
Plaintext
/**
|
|
* No Loop.
|
|
*
|
|
* The noLoop() function causes draw() to only
|
|
* execute once. Without calling noLoop(), the
|
|
* code inside draw() is run continually.
|
|
*/
|
|
|
|
float y;
|
|
|
|
// The statements in the setup() function
|
|
// execute once when the program begins
|
|
void setup()
|
|
{
|
|
size(640, 360); // Size should be the first statement
|
|
stroke(255); // Set line drawing color to white
|
|
noLoop();
|
|
|
|
y = height * 0.5;
|
|
}
|
|
|
|
// The statements in draw() are executed until the
|
|
// program is stopped. Each statement is executed in
|
|
// sequence and after the last line is read, the first
|
|
// line is executed again.
|
|
void draw()
|
|
{
|
|
background(0); // Set the background to black
|
|
y = y - 1;
|
|
if (y < 0) { y = height; }
|
|
line(0, y, width, y);
|
|
}
|
|
|
|
|