Method setupWalls

samples/FallingGears/src/SceneController.cpp:88–134

}

void SceneController::setupWalls()
{
	vec2 center = pointsToMeters( vec2( app::getWindowCenter() ) );
	float inset = pointsToMeters( mParams.mWallInset );

	vec2 size( center.x - inset, center.y - inset );

	b2BodyDef bodyDef;
	bodyDef.position.Set( inset, center.y );
	bodyDef.type = b2_staticBody;


	b2EdgeShape leftWallShape;
	leftWallShape.Set( b2Vec2( 0, - size.y ), b2Vec2( 0, size.y ) );

	b2FixtureDef leftWallFixture;
	leftWallFixture.shape = &leftWallShape;

	mWalls.push_back( make_shared<Wall>( mAudio ) );
	auto &leftWall = mWalls.back();

	leftWall->mSide = Wall::Side::LEFT;
	leftWall->mWidth = mParams.mWallWidth;
	leftWall->mTag = "left wall";
	leftWall->mBody = box2d::makeBodyShared( mWorld.get(), bodyDef );
	leftWall->mBody->CreateFixture( &leftWallFixture );
	leftWall->mBody->SetUserData( leftWall.get() );


	bodyDef.position.Set( pointsToMeters( app::getWindowWidth() ) - inset, center.y );

	b2EdgeShape rightWallShape;
	rightWallShape.Set( b2Vec2( 0, - size.y ), b2Vec2( 0, size.y ) );

	b2FixtureDef rightWallFixture;
	rightWallFixture.shape = &rightWallShape;

	mWalls.push_back( make_shared<Wall>( mAudio ) );
	auto &rightWall = mWalls.back();

	rightWall->mSide = Wall::Side::RIGHT;
	rightWall->mWidth = mParams.mWallWidth;
	rightWall->mTag = "right wall";
	rightWall->mBody = box2d::makeBodyShared( mWorld.get(), bodyDef );
	rightWall->mBody->CreateFixture( &rightWallFixture );
	rightWall->mBody->SetUserData( rightWall.get() );
}

void SceneController::setupFallingGears()
{