//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Handles ;
// - collisions with platforms
// - applying gravity to the player
// - resetting the player position if needed.
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
private void UpdatePlayerGravityAndPlatforms(GameTime gameTime, LevelLibrary.LevelRenderer levelRenderer)
{
bool clashing;
gravity.Apply(ref position, gameTime, isOnGround);
// Update the level positions and enemies
levelRenderer.Update(gameTime, ref position, this.Width, this.Height, this);
// Check for clashes
clashing = levelRenderer.HandleClash(ref position, Width, Height, ref isOnGround);
// If we clash with the square below and we're falling STOP
if (clashing)
{
if (gravity.direction == LevelLibrary.Directions.down)
{
gravity.direction = LevelLibrary.Directions.none;
}
else if (gravity.direction == LevelLibrary.Directions.up)
{
gravity.SetVelocity(1, LevelLibrary.Directions.down);
}
}
// If we have landed back on earth, we can jump again.
if (isOnGround || hoverAbility == true)
{
jumping = false;
}
}
private void ModeLeftRight(LevelLibrary.LevelRenderer levelRenderer)
{
//LevelLibrary.LevelRenderer.Sides clashingWith;
bool clash = false;
bool isOnGround = false;
position += direction;
clash = levelRenderer.HandleClash(ref position,
enemyAnimation.FrameWidth, enemyAnimation.FrameHeight, ref isOnGround);
// Clash on left ?
// Clash on right ?
if ((clash) || (position.X <= 0) || (position.X >= screenLimits.X))
{
//position = oldPosition;
// Reverse the direction by multiplying by -1
// e.g. 1 * -1 = -1
// and -1 * -1 = 1
// Nice huh?
direction.X = direction.X * -1.0f;
if (enemyAnimation.direction == Directions.right)
{
enemyAnimation.direction = Directions.left;
}
else
{
enemyAnimation.direction = Directions.right;
}
}
}
private void ModeUpDown(LevelLibrary.LevelRenderer levelRenderer)
{
bool clash = false;
bool isOnGround = false;
position += direction;
clash = levelRenderer.HandleClash(ref position,
enemyAnimation.FrameWidth, enemyAnimation.FrameHeight, ref isOnGround);
// Clash on left ?
// Clash on right ?
if ((clash) || (position.Y <= 0) || (position.Y >= screenLimits.Y))
{
//position = oldPosition;
// Reverse the direction by multiplying by -1
// e.g. 1 * -1 = -1
// and -1 * -1 = 1
// Nice huh?
direction.Y = direction.Y * -1.0f;
if (enemyAnimation.direction == Directions.up)
{
enemyAnimation.direction = Directions.down;
}
else
{
enemyAnimation.direction = Directions.up;
}
}
}
private void ModeChase(LevelLibrary.LevelRenderer levelRenderer)
{
bool clash = false;
bool isOnGround = false;
if (playerPosition.X < position.X)
{
direction.X = -1f;
}
else
{
direction.X = 1f;
}
position += direction;
clash = levelRenderer.HandleClash(ref position,
enemyAnimation.FrameWidth, enemyAnimation.FrameHeight, ref isOnGround);
// Clash on left ?
// Clash on right ?
if ((clash) || (position.X <= 0) || (position.X >= screenLimits.X))
{
direction.Y = 0f;
}
}