3D.ru

void OnPostRender()
{
if (Input.mousePosition.x > 0 && Input.mousePosition.x < Screen.width - 20)
{ TextureCoords.x = Input.mousePosition.x; }
if (Input.mousePosition.y > 0 && Input.mousePosition.y < Screen.height - 20)
{ TextureCoords.y = Input.mousePosition.y; }

Rect TextureRectangle = new Rect(TextureCoords.x, TextureCoords.y, 20, 20);

PixelTexture.ReadPixels(TextureRectangle, 0, 0,false);
PixelTexture.Apply();

RenderWindow.GetComponent<RawImage>().texture = PixelTexture;