public void Update(GameTime gameTime, PlayableSurface playableSurface)
{
if (!GameEngine.loadingMap)
{
GetInput();
}
PhysicsAndCollision(gameTime, playableSurface);
if (isInvincible)
{
invincibilityTime += gameTime.ElapsedGameTime.Milliseconds;
if (invincibilityTime >= invincibilityTimeLimit)
{
isInvincible = false;
playerColor.A = 255;
}
}
movement.X = 0;
movement.Y = 0;
base.Update(gameTime);
}
public void PhysicsAndCollision(GameTime gameTime, PlayableSurface playableSurface)
{
float elapsed = (float)gameTime.ElapsedGameTime.TotalSeconds;
playerCenter = position.X + (frameSize.X / 2);
currentScreen = playerCenter / 1280;
screenIndex = (int)currentScreen;
nextSection = (int)Math.Round(currentScreen);
if (nextSection >= playableSurface.playableSectors.Count())
{
nextSection--;
}
//stop the player from moving too fast
velocity.X = MathHelper.Clamp(velocity.X + movement.X * moveSpeed * elapsed, -maxVelocity.X, maxVelocity.X);
velocity.Y = MathHelper.Clamp(velocity.Y + gravity * elapsed, -maxVelocity.Y, maxVelocity.Y);
if (velocity.X > 800 || velocity.X < -800)
{
millisecondsPerFrame = 30;
}
else if (velocity.X > 400 || velocity.X < -400)
{
millisecondsPerFrame = 40;
}
else
{
millisecondsPerFrame = 80;
}
Jump(gameTime);
if (isOnGround)
{
velocity.X *= GroundDrag;
}
else
{
velocity.X *= AirDrag;
}
if (velocity.X > 0)
{
isFacingRight = true;
}
if (velocity.X < 0)
{
isFacingRight = false;
}
if (velocity.Y > 0)
{
isFalling = true;
}
else
{
isFalling = false;
}
if (movement.X < 0.1 && movement.X > -0.1)
{
isStanding = true;
}
else
{
isStanding = false;
isDucking = false;
}
if (isDucking)
{
collisionOffsetTop = 100;
collisionOffsetBottom = 105;
}
else
{
collisionOffsetTop = 15;
collisionOffsetBottom = 20;
}
//update the players position
position += velocity * elapsed;
position = new Vector2((float)Math.Round(position.X), (float)Math.Round(position.Y));
if (isFacingRight)
{
heldPosition.X = collisionRect.Right;
heldPosition.Y = collisionRect.Y + 50;
}
else
{
heldPosition.X = collisionRect.Left;
heldPosition.Y = collisionRect.Y + 50;
}
isOnGround = false;
Collision(playableSurface.playableSectors[screenIndex].collisionBoxes);
Collision(playableSurface.playableSectors[nextSection].collisionBoxes);
previousBottom = collisionRect.Bottom;
}
