skphysicsbody

I was wondering if it was at all possible to make an SKNode move forward in a particular direction, but with only one factor. I'm aware of both applying an impulse and setting the velocity of a physics body, but they're both determined by two factors; dx and dy. I also know of rotating to an angle with SKActions. But is it possible to make an object simply "move forward" once it has been set on an angle? Or set its velocity with just one factor? Thanks in advance. Sure I think what you're talking about is something like this: Now let's say you have an SKSpriteNode that is called player who

I have created a SKShapeNode and I have assigned a physicsBody to it. However, it is not being triggered when there is contact. Creation of SKShapeNode code: -(SKShapeNode*)gravityline{ //SKSpriteNode *lolo=[[SKSpriteNode alloc]init]; SKShapeNode *lolo = [[SKShapeNode alloc] init]; CGPoint fff=CGPointMake(ray1.position.x, ray1.position.y); CGMutablePathRef path = CGPathCreateMutable(); CGPathMoveToPoint(path, NULL, fff.x, fff.y); CGPathAddLineToPoint(path, 0,rayoriginpoint.x,rayoriginpoint.y ); CGPathCloseSubpath(path); lolo.path = path; lolo.name=@"gravityline"; lolo.strokeColor=[SKColor

I want the node to move in the right direction but the impulse to be with set strength. let node: SKSpriteNode!; node = SKSpriteNode(color: UIColor.greenColor(), size: CGSizeMake(50, 50)); node.physicsBody = SKPhysicsBody(rectangleOfSize: node.size); node.physicsBody?.affectedByGravity = false; node.physicsBody?.allowsRotation = false; override func touchesBegan(touches: Set<NSObject>, withEvent event: UIEvent) { node.physicsBody?.velocity = CGVectorMake(0, 0); // ver 1 node.physicsBody?.applyImpulse(CGVectorMake((0.4) * (location.x - node.position.x), (0.4) * (location.y - node.position.y)),

I have an object on scene and my hero should not go through it, but it should be able to go inside of it, like a boat into the bay, surrounded by the other element. I tried all kinds of physicsBody having it have body with rectangle, texture, with polygon from path, but to no avail. I was reading somewhere that it is not possible to have a concave physicsBody, but only convex. I really need it to be able to be concave. Does anyone know how to resolve this? You can create a concave physics body by adding up a bunch of convex physics bodies into one shape. Then you can add them as children to an

I am trying to keep my SKSpriteNodes moving at a constant speed forever, even after collisions. I have set gravity to 0, friction to 0, and linear and angular dampening to zero, but the Sprites still slowly slow down to zero velocity. How can I keep them moving? Based on the answer below, this is what I have tried: EDIT This code below works! I just had to check if the nodes were going slower than the limit and speed them up. [self enumerateChildNodesWithName:kBallName usingBlock:^(SKNode *node, BOOL *stop) { SKSpriteNode *ball = (SKSpriteNode *)node; if (ball.physicsBody.velocity.dx < 0) { if

I'm am trying to drop the SKSpriteNode with constant speed and without bouncing. Here is the code I'm using: SKSpriteNode *floor = [SKSpriteNode spriteNodeWithColor:[UIColor clearColor] size:CGSizeMake(self.size.width, 1)]; floor.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:floor.size]; floor.physicsBody.restitution = 0.0f; floor.physicsBody.dynamic = NO; floor.physicsBody.allowsRotation = NO; SKSpriteNode* block = [SKSpriteNode spriteNodeWithTexture:[SKTexture textureWithImageNamed:imageName]]; block.position = CGPointMake(160, 300); block.physicsBody = [SKPhysicsBody