/// <summary>
/// Returns the index of the first (ie lowest numbered)
/// sprite it colides with -1 if no collision
/// the self parameter is there to allow the avoidance of collision texting against yourself
/// </summary>
/// <param name="s">the sprite to test the list against</param>
/// <param name="self">the number of a single sprite to avoid testing</param>
/// <returns></returns>
public int collisionAA(Sprite3 s, int self)
{
if (s == null)
{
return(-1);
}
if (!s.getVisible())
{
return(-1);
}
if (!s.getActive())
{
return(-1);
}
for (int i = 0; i < highUsed + 1; i++)
{
if (sprite[i] != null && sprite[i].active)
{
if (sprite[i].getVisible() &&
i != self && s.collision(sprite[i]))
{
return(i);
}
}
}
return(-1);
}
public override void Update(GameTime gameTime)
{
base.Update(gameTime);
float deltaTime = (float)gameTime.ElapsedGameTime.TotalSeconds;
//MOVEMENT
//ALL CHECKS AND CHANGES BEFORE THE POSITION SET.
//PLAYER SLICE COOLDOWN
if (canSlice == false)
{
sliceTimer += deltaTime;
}
if (sliceTimer > sliceCooldown)
{
sliceTimer = 0;
canSlice = true;
iconSlice.isReady = true;
}
//DASH MECHANIC...no gravity for a duration
//if (justDashed)
//{
// acceleration.Y = 0;
// noGravityTimer += deltaTime;
// if(noGravityTimer > noGravityLimit)
// {
// noGravityTimer = 0;
// justDashed = false;
// }
//}
velocity += acceleration * deltaTime;
if (velocity.X > velocityHorizontalMovespeedCap)
{
velocity.X -= accelerationDecay.X * deltaTime;
if (velocity.X < velocityHorizontalMovespeedCap)
{
velocity.X = velocityHorizontalMovespeedCap;
}
acceleration.X = 0;
}
else if (velocity.X < -velocityHorizontalMovespeedCap)
{
velocity.X += accelerationDecay.X * deltaTime;
if (velocity.X > -velocityHorizontalMovespeedCap)
{
velocity.X = -velocityHorizontalMovespeedCap;
}
acceleration.X = 0;
}
//FINALLY SET POSITION
//set x pos.
setPosX(getPosX() + velocity.X * deltaTime);
//check horizontal collisions
//COLLISION TEST WITH PLATFORMS
for (int i = 0; i < platformList.count(); i++)
{
Sprite3 currentPlatform = platformList.getSprite(i);
if (this.collision(currentPlatform))
{
if (velocity.X > 0)
{
velocity.X = 0;
this.setPosX(currentPlatform.getPosX() - this.getWidth());
}
else if (velocity.X < 0)
{
velocity.X = 0;
this.setPosX(currentPlatform.getPosX() + currentPlatform.getWidth());
}
}
}
setPosY(getPosY() + velocity.Y * deltaTime);
//COLLISION TEST WITH PLATFORMS
for (int i = 0; i < platformList.count(); i++)
{
Sprite3 currentPlatform = platformList.getSprite(i);
if (this.collision(currentPlatform))
{
if (velocity.Y >= 0 && this.getPosY() <= currentPlatform.getPosY())
{
this.setPos(getPosX(), currentPlatform.getPosY() - this.getHeight());
velocity.Y = 0;
IsOnGround = true;
}
else if (velocity.Y < 0 && this.getPosY() >= currentPlatform.getPosY())
{
this.setPos(getPosX(), currentPlatform.getPosY() + currentPlatform.getHeight());
velocity.Y = 0;
}
}
}
//If no input movement, slow down player
if (canPlayerMove)
{
if (InputManager.Instance.KeyUp(Keys.Left) && InputManager.Instance.KeyUp(Keys.Right) && GamePad.GetState(PlayerIndex.One).ThumbSticks.Left.X == 0)
{
acceleration.X = 0;
if (velocity.X != 0)
{
if (velocity.X > 0)
{
velocity.X -= deltaTime * velocityDecay.X;
if (velocity.X < 0)
{
velocity.X = 0;
}
}
else if (velocity.X < 0)
{
velocity.X += deltaTime * velocityDecay.X;
if (velocity.X > 0)
{
velocity.X = 0;
}
}
}
}
else
{
//If travelling right and player moves left, increase the acceleration to opposite
if (InputManager.Instance.KeyDown(Keys.Left))
{
if (acceleration.X > -HorizontalMoveSpeed)
{
acceleration.X = -HorizontalMoveSpeed;
}
//If player velocity is more than the cap, slowly decay to the cap.
if (velocity.X > 0)
{
velocity.X -= deltaTime * velocityDecay.X;
if (velocity.X < 0)
{
velocity.X = 0;
}
}
}
if (GamePad.GetState(PlayerIndex.One).ThumbSticks.Left.X != 0)
{
acceleration.X = HorizontalMoveSpeed * GamePad.GetState(PlayerIndex.One).ThumbSticks.Left.X;
if (GamePad.GetState(PlayerIndex.One).ThumbSticks.Left.X > 0)
{
if (velocity.X < 0)
{
velocity.X += deltaTime * velocityDecay.X;
if (velocity.X > 0)
{
velocity.X = 0;
}
}
}
else if (GamePad.GetState(PlayerIndex.One).ThumbSticks.Left.X < 0)
{
if (velocity.X > 0)
{
velocity.X -= deltaTime * velocityDecay.X;
if (velocity.X < 0)
{
velocity.X = 0;
}
}
}
}
if (InputManager.Instance.KeyDown(Keys.Right))
{
if (acceleration.X < HorizontalMoveSpeed)
{
acceleration.X = HorizontalMoveSpeed;
}
if (velocity.X < 0)
{
velocity.X += deltaTime * velocityDecay.X;
if (velocity.X > 0)
{
velocity.X = 0;
}
}
}
//If both left and right pressed down, 0 acceleration
if (InputManager.Instance.KeyDown(Keys.Right) && InputManager.Instance.KeyDown(Keys.Left))
{
acceleration.X = 0;
}
}
}
//Is the player currently on a platform?
bool isOnPlatform = false;
for (int i = 0; i < platformList.count(); i++)
{
Sprite3 currentPlatform = platformList.getSprite(i);
if (currentPlatform.getActive())
{
if (currentPlatform.getBoundingBoxAA().Intersects(rectPlatformCheck))
{
isOnPlatform = true;
}
}
}
if (isOnPlatform == false)
{
IsOnGround = false;
}
//PLAYER JUMP.
if (canPlayerMove)
{
if (InputManager.Instance.KeyPressed(Keys.Z) || InputManager.Instance.ButtonPressed(Buttons.A))
{
if (IsOnGround)
{
velocity.Y = -jumpVelocity;
IsOnGround = false;
soundJump.Play();
}
else
{
if (canDoubleJump == true)
{
velocity.Y = -doubleJumpVelocity;
canDoubleJump = false;
iconDoubleJump.isReady = false;
soundDoubleJump.Play();
}
}
}
}
//If player holds the jump button, gets maximum jump, otherwise fall faster.
if (canPlayerMove)
{
if (InputManager.Instance.KeyDown(Keys.Z) || InputManager.Instance.ButtonDown(Buttons.A) && IsOnGround == false)
{
acceleration.Y = accelerationPlayerFall.Y;
}
else
{
acceleration.Y = accelerationDefault.Y;
}
}
//PLAYER DASH
if (canPlayerMove)
{
if (InputManager.Instance.KeyPressed(Keys.C) || InputManager.Instance.ButtonPressed(Buttons.B))
{
if (canDash)
{
if (InputManager.Instance.KeyDown(Keys.Right) || GamePad.GetState(PlayerIndex.One).ThumbSticks.Left.X > 0)
{
velocity.X = horizontalDashVelocity;
velocity.Y = -20;
canDash = false;
iconDash.isReady = false;
noGravityTimer = 0;
justDashed = true;
soundDash.Play();
}
else if (InputManager.Instance.KeyDown(Keys.Left) || GamePad.GetState(PlayerIndex.One).ThumbSticks.Left.X < 0)
{
velocity.X = -horizontalDashVelocity;
velocity.Y = -20;
canDash = false;
iconDash.isReady = false;
noGravityTimer = 0;
justDashed = true;
soundDash.Play();
}
}
}
}
if (IsOnGround == false)
{
if (velocity.Y > 0)
{
//check for platforms
isCheckGroundPlatforms = true;
}
}
else
{
isCheckGroundPlatforms = false;
}
rectPlatformCheck = new Rectangle((int)this.getPosX(), (int)this.getPosY() + (int)this.getHeight(), (int)this.getWidth(), 5);
}