public static bool ImageTouches(BaseEntity entity1, BaseEntity entity2)
{
Vector2 myMin = entity1.MinBound;
Vector2 myMax = entity1.MaxBound;
Vector2 otherMin = entity2.MinBound;
Vector2 otherMax = entity2.MaxBound;
return
((myMin.X < otherMax.X) && (myMax.X > otherMin.X) &&
(myMin.Y < otherMax.Y) && (myMax.Y > otherMin.Y));
}
public static bool CheckPixelCollision(BaseEntity entity1, BaseEntity entity2)
{
// Get the tectures.
Texture2D obj1 = TextureManager.LoadTexture(entity1.Texture);
Texture2D obj2 = TextureManager.LoadTexture(entity2.Texture);
// Get the pixels.
Color[] mTexture1Color = GetColorOfImage(obj1);
Color[] mTexture2Color = GetColorOfImage(obj2);
bool pixelTouch = false;
// If image touches, that means the rectangle image.
if (ImageTouches(entity1, entity2))
{
int i = 0;
int width = obj1.Width;
int height = obj1.Height;
while ((!pixelTouch) && (i < width))
{
int j = 0;
while ((!pixelTouch) && (j < (height)))
{
// check if this position of the image has a color.
Color myColor = GetColor(width, mTexture1Color, i, j);
if (myColor.A > 0)
{
Vector2 otherIndex = PositionToPixelImage(new Vector2(obj2.Width, obj1.Height), entity1.Position, entity2.Position);
int xMin = (int)otherIndex.X;
int yMin = (int)otherIndex.Y;
// check if the other image position overlaps.
if ((xMin >= 0) && (xMin < obj2.Width) &&
(yMin >= 0) && (yMin < obj2.Height))
{
// get the other color and check if a color exists on that position of the image.
pixelTouch = (GetColor(obj2.Width, mTexture2Color, i, j).A > 0);
}
}
j++;
}
i++;
}
}
return pixelTouch;
}
public WaterSpawnHandler(BaseEntity player)
{
CurrEnemyLifeForms = new List<EnemyLifeForm>();
_player = player;
}