public void SetSprite(FivewayFrame frame)
{
int directionNumber = 0;
if (frame.directionSprites.Length < 5)
{
goto skipangle;
}
//calculate sprite number
Vector3 toTarget = (Camera.main.transform.position - transform.position).normalized;
int angle1 = Mathf.RoundToInt((Mathf.Atan2(transform.forward.z, transform.forward.x) + Mathf.PI) / (Mathf.PI * 2) * 8) % 8;
int angle2 = Mathf.RoundToInt((Mathf.Atan2(toTarget.z, toTarget.x) + Mathf.PI) / (Mathf.PI * 2) * 8) % 8;
directionNumber = angle2 - angle1;
if (directionNumber < 0)
{
directionNumber += 8;
}
if (frame.directionSprites.Length == 8)
{
materialProperties.SetVector("_UvTransform", new Vector4(0, 0, 0, 0));
}
else
{
if (directionNumber > 4)
{
directionNumber = 8 - directionNumber;
materialProperties.SetVector("_UvTransform", new Vector4(1, 0, 0, 0)); //mirror U axis
}
else
{
materialProperties.SetVector("_UvTransform", new Vector4(0, 0, 0, 0));
}
}
if (lastDirection != directionNumber)
{
refreshSprite = true;
lastDirection = directionNumber;
}
skipangle:
if (!refreshSprite)
{
return;
}
Texture sprite = frame.directionSprites[directionNumber];
materialProperties.SetFloat("_ScaleX", (float)sprite.width / MapLoader.sizeDividor);
materialProperties.SetFloat("_ScaleY", (float)sprite.height / MapLoader.sizeDividor);
materialProperties.SetTexture("_MainTex", sprite);
mr.SetPropertyBlock(materialProperties);
refreshSprite = false;
}
public void CacheSprites(FivewayFrameAssigment[] assigments, ref FivewayFrame[] frames)
{
frames = new FivewayFrame[assigments.Length];
for (int i = 0; i < assigments.Length; i++)
{
frames[i].Assign(assigments[i]);
}
}
