Sensors and Triggers

function spawnBird(%x, %y)
{
	%sprBird = new Sprite(BirdPawn);
    %sprBird.Position = %x SPC %y;
    //%sprBird.setBodyType( static );
    %sprBird.Image = "Bird:Bird";
    %sprBird.Size = "7 8";
    %sprBird.createPolygonBoxCollisionShape();

    %sprBird.SceneGroup = 10;
    
    myScene.add(%sprBird);

    $birdObj = %sprBird;
}

function spawnWindow()
{
	$SceneObjects[0] = null;
	$SceneObjects[1] = null;

	$windowActive = true;

// Purely aesthetic, a clear "window" is drawn, to be able to "fly through"
	%window = new ShapeVector(Window);
	%randomX = getRandom(-30, 30);
	%randomY = getRandom(-30, 30);
	%window.setPosition(%randomX SPC %randomY);
	%window.setSize(0.1);
	%window.setLineColor("0.5 1 1 1");
	%window.setFillColor("0.5 1 1 0.5");
	%window.setFillMode(true);
	%window.setPolyPrimitive(4);
	%window.setSceneGroup(4);

	$SceneObjects[0] = %window;

	myScene.add(%window);

// This should act as the implicit shape that the window ends up being at the time of the 
// evaluation (size 20)
	%trigger = new Trigger(WindowTrigger);
	%trigger.setEnterCallback(true);
	%trigger.setLeaveCallback(true);
	%trigger.setPosition(%randomX SPC %randomY);
	%trigger.setSize(20);
	%index2 = %trigger.createPolygonBoxCollisionShape();
	%trigger.setCollisionShapeDensity(%index2, 0);
	%trigger.setCollisionShapeFriction(%index2, 0);
	

	$SceneObjects[1] = %trigger;

	myScene.add(%trigger);
}


/////////////////
////  This works only when the Trigger acts as a physics object. 
////  That should not be...
/////////////////
function WindowTrigger::onEnter(%this, %object)
{
	echo("================= OH EM GEE IT WORKS");
	$inWindow = true;
}

function WindowTrigger::onLeave(%this, %object)
{
	echo("================= HEY NO GET BACK HERE!");
	$inWindow = false;
}


function Window::update(%this) 
{
	//echo("IN Window:" SPC $inWindow);
	if(%this.getSize() < 20) {

		%this.setSize(%this.getSize() + $speed);

	} else {
		// do evaluation check
		if($inWindow) {
			$windowActive = false;
			$inWindow = false;
			$score++;
			echo("Score:" SPC $score);

			if($score <= 3) {
				$speed = 0.2;
			} else if($score <= 6) {
				$speed = 0.4;
			} else if($score <= 8) {
				$speed = 0.7;
			} else if($score <= 10) {
				$speed = 1.0;
			} else if($score > 10) {
				$speed = 2.0;
			}

			$SceneObjects0.safedelete();
			$SceneObjects1.safedelete();
		} else {
			$gameState = "death";
		}
	}
}