在OnGUI中绘制具有颜色和厚度的矩形

如果只是为了调试,我建议使用 Gizmos.DrawWireCube

注意 :仅在 SceneView 不 GameView 只有

private void OnDrawGizmosSelected()
{
    // Draw a yellow cube at the transform position
    var color = Gizmos.color;
    Gizmos.color = Color.yellow;
    Gizmos.DrawWireCube(transform.position, new Vector3(1, 1, 1));
    Gizmos.color = color;
}

仅当选定对象或 OnDrawGizmos

var matrix = Gizmos.matrix;
Gizmos.matrix = transform.localToWorldMatrix;

//...

Gizmos.matrix = matrix;

不幸的是,没有选择改变线的厚度。。。

你可以通过简单地画4个普通立方体来克服这个问题 Gizmos.DrawCube 形成一个矩形。可能是这样的

private void OnDrawGizmos()
{
    DrawDebugRect(new Vector2(0.5f, 0.3f), 0.05f);
}

private void DrawRect(Vector2 size, float thikness)
{   
    var matrix = Gizmos.matrix;
    Gizmos.matrix = transform.localToWorldMatrix;

    //top cube
    Gizmos.DrawCube(Vector3.up * size.y / 2, new Vector3(size.x, thikness, 0.01f);

    //bottom cube
    Gizmos.DrawCube(Vector3.down * size.y / 2, new Vector3(size.x, thikness, 0.01f);

    //left cube
    Gizmos.DrawCube(Vector3.left * size.x / 2, new Vector3(thikness, size.y, 0.01f);

    //right cube
    Gizmos.DrawCube(Vector3.right * size.x / 2, new Vector3(thikness, size.y, 0.01f);

    Gizmos.matrix = matrix;
}

我只使用智能手机,所以可能无法复制,但我想你会明白的;)