Linear
Linear
(Topics->Motion->Linear)
10行で書かれた直線の移動アニメーション。
画面端に行ったときの処理の例。
/**
* 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 = 100;
void setup()
{
size(640, 200);
stroke(255);
}
void draw()
{
background(51);
a = a - 0.5;
if (a < 0) {
a = height;
}
line(0, a, width, a);
}