Breakout Ball and Paddle Behaviors

#1 //-----------------------------------------------------------------------------
// Breakout Paddle Behavior
// Copyright (C) David Reagan
// Started 3-25-2008
// Pulled mouse movement code from the followMouseExBehavior.
//
// Collision GUI Settings:
// Send Collision = yes
// Receive Collision = yes
// Send or Receive Physics = no.
// Callback = yes
// Detection Mode = FULL
// Collision Response = BOUNCE
//
// Physics GUI Settings:
// Immovable = Yes
// Everything else unchanged.
//-----------------------------------------------------------------------------

if (!isObject(BreakoutPaddleBehavior))
{
%template = new BehaviorTemplate(BreakoutPaddleBehavior);

%template.friendlyName = "Breakout Paddle";
%template.behaviorType = "Breakout Behaviors";
%template.description = "Make an object act like a paddle.";

%template.addBehaviorField(breakoutBall, "The object to use as a ball", object, "", t2dSceneObject);
%template.addBehaviorField(trackingSpeed, "The rate at which the object will move toward the mouse", float, 15.0);
%template.addBehaviorField(ballSpeed, "The speed the ball will bounce off at.", float, 200.0);
}

function BreakoutPaddleBehavior::onBehaviorAdd(%this)
{
%this.owner.setCollisionActiveReceive(true);
%this.owner.setUseMouseEvents(true);
%this.owner.enableUpdateCallback();

}

function BreakoutPaddleBehavior::onCollision(%this, %dstObj, %srcRef, %dstRef, %time, %normal, %contactCount, %contacts)
{
echo("paddle collision");
%this.bounce();
%this.ballSpeed+=20;
}

function BreakoutPaddleBehavior::bounce(%this)
{
%currentVelX = %this.breakoutBall.getLinearVelocityX();
%currentVelY = %this.breakoutBall.getLinearVelocityY();
%currentPaddlePosX = %this.owner.getPositionX();
%currentPaddlePosY = %this.owner.getPositionY();
%currentBallPosX = %this.breakoutBall.getPositionX();
%currentBallPosY = %this.breakoutBall.getPositionY();
echo(%this.ballSpeed);
/*test code to check if things work.
echo("VelX: " , %currentVelX);
echo("VelY: " , %currentVelY);
echo("PaddlePosX: " , %currentPaddlePosX);
echo("PaddlePosY: " , %currentPaddlePosY);
echo("BallPosX: " , %currentBallPosX);
echo("BallPosX: " , %currentBallPosY);
*/

//calculate new velocity depending on where the ball hits the paddle.
if (%currentBallPosX == %currentPaddlePosX)
{
echo("middle");
%this.ballSpeed+=20;
%this.breakoutBall.setLinearVelocityPolar(0, %this.ballSpeed);
}
else if(%currentBallPosX < %currentPaddlePosX/2)
{
echo("far left");
%this.ballSpeed+=20;
%this.breakoutBall.setLinearVelocityPolar(290, %this.ballSpeed);
}
else if(%currentBallPosX < %currentPaddlePosX)
{
echo("near left");
%this.ballSpeed+=10;
%this.breakoutBall.setLinearVelocityPolar(315, %this.ballSpeed);
}
else if(%currentBallPosX > (%currentPaddlePosX+(%currentPaddlePosX/2)))
{
%this.ballSpeed+=20;
echo("far right");
%this.breakoutBall.setLinearVelocityPolar(70, %this.ballSpeed);
}
else if(%currentBallPosX > %currentPaddlePosX)
{
echo("near right");
%this.ballSpeed+=10;
%this.breakoutBall.setLinearVelocityPolar(45, %this.ballSpeed);
}
}

//Follow the mouse, modified code from followMouseEx behavior.
function BreakoutPaddleBehavior::onUpdate(%this)
{

if (!isObject(sceneWindow2d))
return;

%mousePos = sceneWindow2D.getMousePosition();
%position = %this.owner.position;

%difference = t2dVectorSub(%mousePos, %position);
%amount = t2dVectorScale(%difference, %this.trackingSpeed);

%this.owner.setLinearVelocityX(%amount.x);

if (%this.followY)
%this.owner.setLinearVelocityY(%amount.y);
}

/////////////////////////////////////////////
//
// End BreakoutPaddleBehavior
//
////////////////////////////////////////////

#2 //-----------------------------------------------------------------------------
// Breakout Ball Behavior
// Copyright (C) David Reagan
// Started 3-25-2008
// Pulled mouse movement code from the followMouseExBehavior.
//
// Collision GUI Settings
// Send Physics and Callback = Yes.
// Detection Mode = Circle
// Superscribe Ellipse = no.
// Collision Resonse = bounce
//
// Physics GUI Settings
// Immovable = yes.
//-----------------------------------------------------------------------------

if (!isObject(BreakoutBallBehavior))
{
%template = new BehaviorTemplate(BreakoutBallBehavior);

%template.friendlyName = "Breakout Ball";
%template.behaviorType = "Breakout Behaviors";
%template.description = "Make an object act like a ball.";

%template.addBehaviorField(breakoutPaddle, "The object to use as a paddle", object, "", t2dSceneObject);
%template.addBehaviorField(ballSpeed, "The speed the ball will move at initially.", float, 200.0);
%template.addBehaviorField(ballSpeedSlowDown, "How fast the ball will slow down.", float, 0);
}

function BreakoutBallBehavior::onBehaviorAdd(%this)
{
%this.owner.setCollisionActiveReceive(true);
%this.owner.setCollisionActiveSend(true);
%this.owner.setUseMouseEvents(true);
%this.owner.enableUpdateCallback();
//%this.owner.setCollisionResponse( bounce );
// %this.owner.setPositionX(%this.breakoutPaddle.getPositionX());
// %this.owner.setPositionY(%this.breakoutPaddle.getPositionY()-10);

}

function BreakoutBallBehavior::onCollision(%this, %dstObj, %srcRef, %dstRef, %time, %normal, %contactCount, %contacts)
{
if(%dstObj.lives==1)
%dstObj.removeFromScene();
//%this.ballBounce(%this,%dstObj);
}

//Not using this function right now. For future use with bricks?
function BreakoutBallBehavior::ballBounce(%this,%obj)
{
echo("Ball bounce from the brick");
%currentVelX = %this.owner.getLinearVelocityX();
%currentVelY = %this.owner.getLinearVelocityY();
%currentPaddlePosX = %obj.owner.getPositionX();
//echo(%currentPaddlePosX);
//echo("Paddle X: " , paddle1.getPositionX());
%currentPaddlePosY = %obj.owner.getPositionY();
//echo(%currentPaddlePosY);
//echo("Paddle Y: " , paddle1.getPositionY());
%currentBallPosX = %this.owner.getPositionX();
%currentBallPosY = %this.owner.getPositionY();

/*test code to check if things work.
echo("VelX: " , %currentVelX);
echo("VelY: " , %currentVelY);
echo("PaddlePosX: " , %currentPaddlePosX);
echo("PaddlePosY: " , %currentPaddlePosY);
echo("BallPosX: " , %currentBallPosX);
echo("BallPosX: " , %currentBallPosY);
*/

if(%currentBallPosX < %currentPaddlePosX)
{
%this.ballSpeed+=10;
%this.owner.setLinearVelocityPolar(225, %this.ballSpeed);
}
if(%currentBallPosX < %currentPaddlePosX/2)
{
%this.ballSpeed+=20;
%this.owner.setLinearVelocityPolar(255, %this.ballSpeed);
}
if(%currentBallPosX > %currentPaddlePosX)
{
%this.ballSpeed+=10;
%this.owner.setLinearVelocityPolar(135, %this.ballSpeed);
}
if(%currentBallPosX > (%currentPaddlePosX+(%currentPaddlePosX/2)))
{
%this.ballSpeed+=20;
%this.owner.setLinearVelocityPolar(110, %this.ballSpeed);
}

}

function BreakoutBallBehavior::onUpdate(%this)
{
%this.owner.ballSpeed = %this.owner.ballSpeed - %this.owner.ballSpeedSlowDown;
}

/////////////////////////////////////////////
//
// End BreakoutBallBehavior
//
////////////////////////////////////////////