处理 P3D 动画留下伪影 [英] Processing P3D Animation leaving artifacts behind

问题描述

我正在尝试使用以下代码在 Processing 的 P3D 中制作一个旋转立方体:

I am trying to make a spinning cube in Processing's P3D with this code:

int sizes = 500;
int rotation = 0;

void setup() {
  size(500, 500, P3D);
}

void draw() {
  lights();
  translate(sizes/2, sizes/2, 0);
  rotateY(rotation * (PI/180));
  rotateX(rotation * (PI/180));
  background(0);
  box(sizes/2);
  rotation = (rotation + 1);
}

当我运行它时，立方体确实按照我的意愿旋转，但是在它的边缘后面留下了奇怪的人工制品"(因为没有更好的名字).

When I run it the cube does spin as I wanted, but there are strange 'artifacts' (for lack of a better name) left behind its edges.

是什么导致了这个问题，能否解决?

What causes this issue, and can it be solved?

推荐答案

我试过了，它奏效了.也许不使用backround(0)，而是像background 函数一样手动将每个像素设置为黑色.

I tried this and it worked. Maybe instead of using backround(0), set every pixel to black like the background function does manually.

int sizes = 500;
int rotation = 0;

void setup() {
  size(500, 500, P3D);
}

void draw() {
  fill(255);
  lights();
  translate(sizes/2, sizes/2, 0);
  rotateY(rotation * (PI/180));
  rotateX(rotation * (PI/180));

  loadPixels();
  for(int i = 0; i < pixels.length; i++) pixels[i] = color(0);

  box(sizes/2);
  rotation = (rotation + 1);
}

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