mirror of
https://github.com/processing/processing4.git
synced 2026-01-29 03:11:08 +01:00
26 lines
413 B
Plaintext
26 lines
413 B
Plaintext
/**
|
|
* Linear Motion.
|
|
*
|
|
* Changing a variable to create a moving line.
|
|
* When the line moves off the edge of the window,
|
|
* the variable is set to 0, which places the line
|
|
* back at the bottom of the screen.
|
|
*/
|
|
|
|
float a;
|
|
|
|
void setup() {
|
|
size(640, 360);
|
|
stroke(255);
|
|
a = height/2;
|
|
}
|
|
|
|
void draw() {
|
|
background(51);
|
|
line(0, a, width, a);
|
|
a = a - 0.5;
|
|
if (a < 0) {
|
|
a = height;
|
|
}
|
|
}
|