private void LateUpdate()
{
Rect cameraRect = MapCamera.GetComponent <CameraController>().GetCameraRect();
float pixelWidth = MapCamera.GetComponent <CameraController>().GetPixelWidth();
float masterAlpha = Mathf.Lerp(1, 0, (MapCamera.GetComponent <Camera>().orthographicSize - StartAlpha) / (EndAlpha - StartAlpha));
Rect[,] spriteRects = Helpers.SubdivideRect(cameraRect, SpriteColumns, SpriteRows);
for (int spriteColumn = 0; spriteColumn < SpriteColumns; spriteColumn++)
{
for (int spriteRow = 0; spriteRow < SpriteRows; spriteRow++)
{
Sprites[spriteColumn, spriteRow].transform.position = spriteRects[spriteColumn, spriteRow].min;
Sprites[spriteColumn, spriteRow].transform.localScale = spriteRects[spriteColumn, spriteRow].size;
Rect[,] shaderRects = Helpers.SubdivideRect(spriteRects[spriteColumn, spriteRow], ColumnsPerShader, RowsPerShader);
for (int shaderColumn = 0; shaderColumn < ColumnsPerShader; shaderColumn++)
{
for (int shaderRow = 0; shaderRow < RowsPerShader; shaderRow++)
{
int offset = RowsPerShader * shaderColumn + shaderRow;
int count = 0;
Contents.GetLocalBodies(shaderRects[shaderColumn, shaderRow], BodyVectors[spriteColumn, spriteRow], MaxObjectsPerShaderSegment * offset, ref count);
NumberOfBodies[spriteColumn, spriteRow][offset] = count;
}
}
Sprites[spriteColumn, spriteRow].GetComponent <SpriteRenderer>().material.SetVectorArray("bodies", BodyVectors[spriteColumn, spriteRow]);
Sprites[spriteColumn, spriteRow].GetComponent <SpriteRenderer>().material.SetFloatArray("numberOfBodies", NumberOfBodies[spriteColumn, spriteRow]);
Sprites[spriteColumn, spriteRow].GetComponent <SpriteRenderer>().material.SetFloat("pixelWidth", pixelWidth);
Sprites[spriteColumn, spriteRow].GetComponent <SpriteRenderer>().material.SetFloat("masterAlpha", masterAlpha);
}
}
}
/// <summary>
/// Get all bodies who's rect overlaps with the provided worldRect (Cull).
/// </summary>
/// <param name="worldRect"></param>
/// <param name="minimumSize"></param>
/// <returns></returns>
public void GetLocalBodies(Rect worldRect, Vector4[] output, int offset, ref int index)
{
foreach (Vector4 celestialBody in Contents)
{
float top = celestialBody.y + celestialBody.z;
float bottom = celestialBody.y - celestialBody.z;
float left = celestialBody.x - celestialBody.z;
float right = celestialBody.x + celestialBody.z;
if (top > worldRect.yMin && bottom < worldRect.yMax && left < worldRect.xMax && right > worldRect.xMin)
{
if (index < 100)
{
output[offset + index++] = celestialBody;
}
else
{
return;
}
}
}
if (QuadOne != null)
{
if (QuadOne.Rect.Overlaps(worldRect))
{
QuadOne.GetLocalBodies(worldRect, output, offset, ref index);
}
if (QuadTwo.Rect.Overlaps(worldRect))
{
QuadTwo.GetLocalBodies(worldRect, output, offset, ref index);
}
if (QuadThree.Rect.Overlaps(worldRect))
{
QuadThree.GetLocalBodies(worldRect, output, offset, ref index);
}
if (QuadFour.Rect.Overlaps(worldRect))
{
QuadFour.GetLocalBodies(worldRect, output, offset, ref index);
}
}
}
