private static void SetGO(SpriteInfo spriteInfo, GameObject go)
{
Transform goTransform = go.transform;
Vector2 goPos = PixelToCoord(spriteInfo.Pos);
Vector2 goSize = PixelToCoord(spriteInfo.Size);
goTransform.localScale = new Vector3(goSize.x, goSize.y, 1);
goTransform.position = new Vector3(goPos.x + goSize.x / 2, goPos.y + goSize.y / 2, 1);
}
public RenderTexture RenderToRT(List <SpriteInfo> spriteInfoList, Vector2Int size, List <Texture2D> texture2DList, List <Sprite> spriteList)
{
templateGO.SetActive(true);
List <GameObject> goList = new List <GameObject>(spriteInfoList.Count); // todo : can be cached
List <Material> materialList = new List <Material>(spriteInfoList.Count); // todo : cam be cached
RenderTexture rt = new RenderTexture(size.x, size.y, 0, RenderTextureFormat.ARGB32);
rt.useMipMap = useMiniMap;
SetCamera(rt);
for (int i = 0; i < spriteInfoList.Count; ++i)
{
SpriteInfo spriteInfo = spriteInfoList[i];
Texture2D texture2D = texture2DList[spriteInfo.ID];
Material material = UnityEngine.Object.Instantiate(templateMaterial);
material.SetTexture(mainTexPropertyID, texture2D);
GameObject go = UnityEngine.Object.Instantiate(templateGO);
go.GetComponent <MeshRenderer>().sharedMaterial = material;
SetGO(spriteInfo, go);
materialList.Add(material);
goList.Add(go);
}
camera.Render();
camera.targetTexture = null;
foreach (Material material in materialList)
{
UnityEngine.Object.Destroy(material);
}
foreach (GameObject gameObject in goList)
{
UnityEngine.Object.Destroy(gameObject);
}
templateGO.SetActive(false);
return(rt);
}