PShape setFill(indx, color) not working in Processing 4

Most appropriate sub-area of Processing 4?

OpenGL

Processing version

4.3

Operating system

MacOSX

Steps to reproduce this

"1. The source code below demonstrates the problem. The PShape should change color when the mouse is clicked.

2. The source code runs correctly in versions 2.2.1 (macos) and 3.5.4 (reported by another forum member running Windows) indicating a runtime code change prior to version 4.

3. There is a similar report from a year ago: https://github.com/processing/processing4/issues/677"

4. We would like to change the vertex colors of the original PShape object without having to create a second object.

snippet

PShape t;

void setup() {
  size(400, 400, P2D);
  surface.setTitle("Should change color when mouse clicked.");
  t = createShape();
  t.beginShape();
  t.vertex(200, 100);
  t.vertex(100, 300);
  t.vertex(300, 300);
  t.endShape(CLOSE);
  for (int i = 0; i < t.getVertexCount(); i++) {
    t.setFill(i, color(random(255), random(255), random(255)));
  }
}

void draw() {
  background(209);
  shape(t);
}

void mousePressed() {
  for (int i = 0; i < t.getVertexCount(); i++) {
    t.getVertex(i);
    t.setFill(i, color(random(255), random(255), random(255)));
  }
}

Additional context

No response

Commencez par suivre PShape.setFill(int, color) dans le chemin OpenGL de Processing 4, en utilisant le sketch fourni pour reproduire le comportement. Comparez le comportement actuel avec Processing 2.2.1 et 3.5.4 si ces versions sont disponibles, et vérifiez qu’un clic de souris modifie les couleurs des sommets du PShape d’origine sans créer de second objet.