public static Rectangle CalculateBoundingBox(Character character)
{
Rectangle boundingBox = new Rectangle(character.WorldPosition.ToPoint(), Point.Zero);
void addPointsToBBox(float extentX, float extentY, Vector2 worldPos, Vector2 origin, float rotation)
{
float sinRotation = (float)Math.Sin((double)rotation);
float cosRotation = (float)Math.Cos((double)rotation);
origin = new Vector2(
origin.X * cosRotation + origin.Y * sinRotation,
origin.X * sinRotation - origin.Y * cosRotation);
var limbPos = worldPos.ToPoint();
boundingBox.AddPoint(limbPos);
Vector2 xExtend = new Vector2((extentX * cosRotation), (extentX * sinRotation));
Vector2 yExtend = new Vector2((extentY * sinRotation), (-extentY * cosRotation));
boundingBox.AddPoint(limbPos + (xExtend + yExtend - origin).ToPoint());
boundingBox.AddPoint(limbPos + (xExtend - yExtend - origin).ToPoint());
boundingBox.AddPoint(limbPos + (-xExtend - yExtend - origin).ToPoint());
boundingBox.AddPoint(limbPos + (-xExtend + yExtend - origin).ToPoint());
}
foreach (Limb limb in character.AnimController.Limbs)
{
if (limb.ActiveSprite == null)
{
continue;
}
float extentX = (float)limb.ActiveSprite.size.X * limb.Scale * limb.TextureScale * 0.5f;
//extentX = ConvertUnits.ToDisplayUnits(extentX);
float extentY = (float)limb.ActiveSprite.size.Y * limb.Scale * limb.TextureScale * 0.5f;
//extentY = ConvertUnits.ToDisplayUnits(extentY);
Vector2 origin = (limb.ActiveSprite.Origin - (limb.ActiveSprite.SourceRect.Size.ToVector2() * 0.5f)) * limb.Scale * limb.TextureScale;
addPointsToBBox(extentX, extentY, limb.WorldPosition, origin, limb.body.Rotation);
}
if (character.Inventory != null)
{
foreach (var item in character.Inventory.AllItems)
{
if (item?.Sprite != null && item?.body != null)
{
float extentX = (float)item.Sprite.size.X * item.Scale * 0.5f;
//extentX = ConvertUnits.ToDisplayUnits(extentX);
float extentY = (float)item.Sprite.size.Y * item.Scale * 0.5f;
//extentY = ConvertUnits.ToDisplayUnits(extentY);
Vector2 origin = (item.Sprite.Origin - (item.Sprite.SourceRect.Size.ToVector2() * 0.5f)) * item.Scale;
addPointsToBBox(extentX, extentY, item.WorldPosition, origin, item.body.Rotation);
}
}
}
boundingBox.X -= 25; boundingBox.Y -= 25;
boundingBox.Width += 50; boundingBox.Height += 50;
return(boundingBox);
}