private PlayerSprite LoadPlayer(IPlayerInput playerInput, int playerNumber)
{
//TODO: this should be done via different sprites
Color playerColor = Color.White;
switch (playerNumber)
{
case 1:
playerColor = Color.White;
break;
case 2:
playerColor = Color.Black;
break;
case 3:
playerColor = Color.Green;
break;
case 4:
playerColor = Color.Yellow;
break;
}
PlayerSprite player = new PlayerSprite(playerInput, playerColor, playerNumber, 1, 0, "crosshair", 1.0f);
return(player);
}
private void UpdatePlayer(PlayerSprite player)
{
player.UpdatePlayerIsActive();
if (player.IsActive)
{
player.UpdatePauseState();
if (player.IsPaused)
{
this.Exit();
}
player.UpdateFiringState();
if (player.IsFiring)
{
Vector2 shotLocation = player.GetShotLocation();
foreach (Target target in levels[0].Waves[levels[0].CurrentWaveIndex].Targets)
{
if (target.IsActive)
{
//TODO: factor this out so pixel based hit detection can be used elsewhere
//TODO: pixel based hit detection does not work when target is rotated...
//only do pixel detection if mouse in area
if (target.BoundingBox.Contains(new Rectangle((int)shotLocation.X, (int)shotLocation.Y, 1, 1)))
{
//do we hit alpha pixel or 'body' pixel?
Vector2 relativeShotLocation = new Vector2(shotLocation.X - target.BoundingBox.X, shotLocation.Y - target.BoundingBox.Y);
relativeShotLocation = Vector2.Divide(relativeShotLocation, target.Scale);
Rectangle targetTexturePixels = Textures.Instance.SpriteSheet.SourceRectangle(target.GetSpriteSheetIndex());
Vector2 hitPointOnSpriteSheet = new Vector2(targetTexturePixels.X + relativeShotLocation.X, targetTexturePixels.Y + relativeShotLocation.Y);
int hitPointOnSpriteSheetIndex = (int)hitPointOnSpriteSheet.Y * Textures.Instance.SpriteSheet.Texture.Width + (int)hitPointOnSpriteSheet.X;
Color pixelColor = Textures.Instance.SpriteSheetColors[hitPointOnSpriteSheetIndex];
//hit!
if (pixelColor.A != 0)
{
target.IsActive = false;
player.Score += target.PointValue;
//Explosion particle
explosionEmitterParticleSystem.AddParticles(new Vector2(target.BoundingBox.Center.X, target.BoundingBox.Center.Y));
}
}
}
}
}
player.UpdatePlayerPosition();
player.MoveTo(new Vector2(player.Position.X, player.Position.Y));
}
}