/**
* Distance 2D.
*
* Move the mouse across the image to obscure and reveal the matrix.
* Measures the distance from the mouse to each square and sets the
* size proportionally.
*/
float max_distance;
void setup() {
size(640, 360);
noStroke();
max_distance = dist(0, 0, width, height);
}
void draw() {
background(0);
for(int i = 0; i <= width; i += 20) {
for(int j = 0; j <= height; j += 20) {
float size = dist(mouseX, mouseY, i, j);
size = size/max_distance * 66;
ellipse(i, j, size, size);
}
}
}
https://processing.org/examples/distance2d.html
以上是官方给的Distance 2D的示例，想请问一下大家 size = size/max_distance * 66;这条代码的意思是什么？以及“66”是怎么得出来的呢……
感谢🙏
