protected virtual void InitializePixelTileObstacleList()
{
if (PixelTileObstacleList == null)
{
PixelTileObstacleList = new List <PixelTile>();
}
PixelTile[] allPixelTiles = FindObjectsOfType <PixelTile>();
int pixelTileCount = allPixelTiles.Length;
if (pixelTileCount == CurrentPixelTileCount)
{
return;
}
PixelTileObstacleList.Clear();
for (int i = 0; i < pixelTileCount; ++i)
{
PixelTile pixelTileComponent = allPixelTiles[i];
if ((pixelTileComponent.LevelFlags & LevelFlags.OBSTACLE) == LevelFlags.OBSTACLE)
{
PixelTileObstacleList.Add(pixelTileComponent);
}
}
CurrentPixelTileCount = pixelTileCount;
}
private static void CreatePixelCharacterInstance()
{
GameObject pixelTileGameObject = new GameObject("Pixel Character");
PixelTile pixelTileComponent = pixelTileGameObject.AddComponent <PixelCharacter>().GetComponent <PixelTile>();
PixelLevel firstPixelLevelFound = GameObject.FindObjectOfType <PixelLevel>();
if (firstPixelLevelFound)
{
pixelTileComponent.CurrentPixelLevelInstance = firstPixelLevelFound;
}
}
private void DetectAndResolveCollisions()
{
int pixelsPerUnit = CurrentPixelLevelInstance.PixelsPerUnit;
int tileSizeX = PixelTileComponent.TileSizeX;
int tileSizeY = PixelTileComponent.TileSizeY;
for (int j = 0; j < PixelTileObstacleList.Count; ++j)
{
PixelTile obstaclePixelTileComponent = PixelTileObstacleList[j];
int obstacleMinimumX = CurrentPixelLevelInstance.PixelOriginX + obstaclePixelTileComponent.AlignedRelativePositionX * pixelsPerUnit;
int obstacleMaximumX = obstacleMinimumX + obstaclePixelTileComponent.TileSizeX * pixelsPerUnit;
int obstacleMinimumY = CurrentPixelLevelInstance.PixelOriginY + obstaclePixelTileComponent.AlignedRelativePositionY * pixelsPerUnit;
int obstacleMaximumY = obstacleMinimumY + obstaclePixelTileComponent.TileSizeY * pixelsPerUnit;
int pixelMinimumX = PixelPositionX;
int pixelMaximumX = PixelPositionX + tileSizeX * pixelsPerUnit;
int pixelMinimumY = PixelPositionY;
int pixelMaximumY = PixelPositionY + tileSizeY * pixelsPerUnit;
if (
obstacleMinimumY > pixelMaximumY ||
pixelMinimumY > obstacleMaximumY ||
obstacleMinimumX > pixelMaximumX ||
pixelMinimumX > obstacleMaximumX
)
{
OnObstacleExited(obstaclePixelTileComponent.GetInstanceID());
continue;
}
int firstPixelDifferenceX = pixelMaximumX - obstacleMinimumX;
int secondPixelDifferenceX = obstacleMaximumX - pixelMinimumX;
int firstPixelDifferenceY = pixelMaximumY - obstacleMinimumY;
int secondPixelDifferenceY = obstacleMaximumY - pixelMinimumY;
int[] differences = new int[4] {
firstPixelDifferenceX, secondPixelDifferenceX, firstPixelDifferenceY, secondPixelDifferenceY
};
int differenceMinimum = differences.Min();
if (differenceMinimum == differences[0])
{
OnObstacleCollided(obstaclePixelTileComponent.GetInstanceID(), CollisionNormalFlags.RIGHT_WALL);
PixelPositionX -= differences[0];
}
if (differenceMinimum == differences[1])
{
OnObstacleCollided(obstaclePixelTileComponent.GetInstanceID(), CollisionNormalFlags.LEFT_WALL);
PixelPositionX += differences[1];
}
if (differenceMinimum == differences[2])
{
OnObstacleCollided(obstaclePixelTileComponent.GetInstanceID(), CollisionNormalFlags.CEILING);
PixelPositionY -= differences[2];
}
if (differenceMinimum == differences[3])
{
isJumping = false;
OnObstacleCollided(obstaclePixelTileComponent.GetInstanceID(), CollisionNormalFlags.GROUND);
PixelPositionY += differences[3];
}
}
}