private Vector2 howLongToMove(Vector2 originalPos, Vector2 destination, Rectangle bounds)
{
Vector2 movementToTry = destination - originalPos;
Vector2 furthestAvailableLocationSoFar = originalPos;
int numberOfStepsToBreakMovementInto = (int)(movementToTry.Length() * 2) + 1;
Vector2 oneStep = movementToTry / numberOfStepsToBreakMovementInto;
for (int i = 1; i <= numberOfStepsToBreakMovementInto; i++)
{
Vector2 positionToTry = originalPos + oneStep * i;
Rectangle newBoundary = createRectAtPos(positionToTry, bounds.Width, bounds.Height);
if (CollisionManager.checkCollision(newBoundary))
{
furthestAvailableLocationSoFar = positionToTry;
}
else
{
bool isDiagonalMove = movementToTry.X != 0 && movementToTry.Y != 0;
if (isDiagonalMove)
{
int stepsLeft = numberOfStepsToBreakMovementInto - (i - 1);
Vector2 remainingHorizontalMovement = oneStep.X * Vector2.UnitX * stepsLeft;
Vector2 finalPositionIfMovingHorizontally = furthestAvailableLocationSoFar + remainingHorizontalMovement;
furthestAvailableLocationSoFar =
howLongToMove(furthestAvailableLocationSoFar, finalPositionIfMovingHorizontally, bounds);
Vector2 remainingVerticalMovement = oneStep.Y * Vector2.UnitY * stepsLeft;
Vector2 finalPositionIfMovingVertically = furthestAvailableLocationSoFar + remainingVerticalMovement;
furthestAvailableLocationSoFar =
howLongToMove(furthestAvailableLocationSoFar, finalPositionIfMovingVertically, bounds);
}
break;
}
}
return(furthestAvailableLocationSoFar);
}
public override void update(GameTime gameTime)
{
base.update(gameTime);
jCooldown -= (float)gameTime.ElapsedGameTime.TotalSeconds;
sCooldown -= (float)gameTime.ElapsedGameTime.TotalSeconds;
CollisionManager.bulletCollision(bullets);
CollisionManager.enemyBulletCollision(Enemy.enemyBullets);
handleMovement();
applyFrictionAndGravity();
keepOnScreen();
moveIfPossible();
stopIfBlocked();
if (jCooldown <= 0)
{
jCooldown = 0;
}
if (Velocity.X >= 100)
{
Velocity = new Vector2(100, 0);
}
for (int i = 0; i < bullets.Count; i++)
{
bullets[i].update(gameTime);
if (bullets[i].timer <= 0)
{
bullets.RemoveAt(i);
}
}
if (hit)
{
switch (currentHit)
{
case HitType.SOLDIER:
health -= 100;
break;
case HitType.MAGIC:
health -= 250;
break;
case HitType.REAPER:
health -= 500;
break;
}
hit = false;
}
if (health <= 0)
{
MainGame.currentState = MainGame.state.EXIT;
}
playerPosStatic = Position;
playerRectangleStatic = Hitbox;
}