public void Add(GameObject gameObject)
{
GameObject newTextureTarget = Instantiate(textureTarget, canvas.transform);
newTextureTarget.SetActive(false);
Image targetImage = newTextureTarget.GetComponent <Image>();
GameObject cameraObject = new GameObject("Off Screen Indicator Camera");
Camera newCamera = cameraObject.AddComponent <Camera>();
IndicatedObject newObject = new IndicatedObject
{
gameObject = gameObject,
attachedCamera = newCamera,
textureTarget = newTextureTarget,
image = targetImage
};
newObject.attachedCamera.orthographic = true;
newObject.attachedCamera.orthographicSize = 2;
newObject.attachedCamera.targetTexture = new RenderTexture(drawWidth, drawHeight, 24);
indicatedObjects.Add(newObject);
}
private void objectUpdate(IndicatedObject indicatedObject)
{
if (indicatedObject.gameObject != null)
{
bool visible = IsVisible(indicatedObject.gameObject.transform.position);
indicatedObject.attachedCamera.enabled = !visible;
indicatedObject.textureTarget.SetActive(!visible);
if (!visible)
{
indicatedObject.attachedCamera.transform.position = indicatedObject.gameObject.transform.position + cameraOffset;
Vector3 direction = (indicatedObject.gameObject.transform.position - mainCamera.transform.position);
direction.z = 0;
direction.Normalize();
RectTransform indicatorTransform = indicatedObject.textureTarget.GetComponent <RectTransform>();
if (Mathf.Abs(direction.x) * screenOffset.y > Mathf.Abs(direction.y) * screenOffset.x)
{
indicatorTransform.anchoredPosition = new Vector2(screenOffset.x * direction.x / Mathf.Abs(direction.x), direction.y * screenOffset.x / Mathf.Abs(direction.x));
}
else
{
indicatorTransform.anchoredPosition = new Vector2(direction.x * screenOffset.y / Mathf.Abs(direction.y), screenOffset.y * direction.y / Mathf.Abs(direction.y));
}
//indicatorTransform.anchoredPosition = new Vector2(direction.x * screenOffset.x, direction.y * screenOffset.y);
//indicatedObject.textureTarget.transform.position = new Vector3(direction.x * screenOffset.x, direction.y * screenOffset.y, 0.0f);
//RenderTexture texture = new RenderTexture(drawWidth, drawHeight, 24);
//indicatedObject.attachedCamera.targetTexture = texture;
indicatedObject.attachedCamera.Render();
RenderTexture.active = indicatedObject.attachedCamera.targetTexture;
Texture2D newTexture = new Texture2D(drawWidth, drawHeight, TextureFormat.RGB24, false);
newTexture.ReadPixels(new Rect(0, 0, drawWidth, drawHeight), 0, 0);
newTexture.Apply();
RenderTexture.active = null;
//indicatedObject.attachedCamera.targetTexture = null;
indicatedObject.image.overrideSprite = Sprite.Create(newTexture, new Rect(0, 0, drawWidth, drawHeight), new Vector2(drawWidth * 0.5f, drawHeight * 0.5f));
// TODO: draw directional arrow
}
}
}
