public ShipSprite(CGPoint initialPosition)
: base(NSBundle.MainBundle.PathForResource("spaceship", "png"))
{
CGPath boundingPath = new CGPath();
boundingPath.MoveToPoint(-12f, -38f);
boundingPath.AddLineToPoint(12f, -38f);
boundingPath.AddLineToPoint(9f, 18f);
boundingPath.AddLineToPoint(2f, 38f);
boundingPath.AddLineToPoint(-2f, 38f);
boundingPath.AddLineToPoint(-9f, 18f);
boundingPath.AddLineToPoint(-12f, -38f);
#if false
// Debug overlay
SKShapeNode shipOverlayShape = new SKShapeNode()
{
Path = boundingPath,
StrokeColor = UIColor.Clear,
FillColor = UIColor.FromRGBA(0f, 1f, 0f, 0.5f)
};
ship.AddChild(shipOverlayShape);
#endif
var body = SKPhysicsBody.CreateBodyFromPath(boundingPath);
body.CategoryBitMask = Category.Ship;
body.CollisionBitMask = Category.Ship | Category.Asteroid | Category.Planet | Category.Edge;
body.ContactTestBitMask = body.CollisionBitMask;
body.LinearDamping = 0;
body.AngularDamping = 0.5f;
PhysicsBody = body;
Position = initialPosition;
}
public ShipSprite(CGPoint initialPosition)
: base(NSBundle.MainBundle.PathForResource("spaceship", "png"))
{
health = startingShipHealth;
using (CGPath boundingPath = new CGPath()) {
boundingPath.MoveToPoint(-12f, -38f);
boundingPath.AddLineToPoint(12f, -38f);
boundingPath.AddLineToPoint(9f, 18f);
boundingPath.AddLineToPoint(2f, 38f);
boundingPath.AddLineToPoint(-2f, 38f);
boundingPath.AddLineToPoint(-9f, 18f);
boundingPath.AddLineToPoint(-12f, -38f);
#if false
// Debug overlay
SKShapeNode shipOverlayShape = new SKShapeNode()
{
Path = boundingPath,
StrokeColor = UIColor.Clear,
FillColor = UIColor.FromRGBA(0f, 1f, 0f, 0.5f)
};
ship.AddChild(shipOverlayShape);
#endif
var body = SKPhysicsBody.CreateBodyFromPath(boundingPath);
body.CategoryBitMask = Category.Ship;
body.CollisionBitMask = Category.Ship | Category.Asteroid | Category.Planet | Category.Edge;
body.ContactTestBitMask = body.CollisionBitMask;
// The ship doesn't slow down when it moves forward, but it does slow its angular rotation. In practice,
// this feels better for a game.
body.LinearDamping = 0;
body.AngularDamping = 0.5f;
PhysicsBody = body;
}
Position = initialPosition;
}