🤑 Join the Treehouse affiliate program and earn 25% commission!

🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

Curious which AI tools Treehouse developers love? ⚙️ Check them out!

🫡 Treehouse for Military offers discounts to Veterans, service members and their families!

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • 100 Days of Code
    • Live Sessions
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
  • Resources
    Chevron
    • Career Toolbox
    • CodeForward
    • Free Treehouse Near Me
    • Jobs
    • Blog
    • Support
    • About
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • 100 Days of Code Live Sessions Code Adventures Discord Forum Success Stories Treehouse Links
  • Career Toolbox CodeForward Free Treehouse Near Me Jobs Blog Support About
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • 21st Century Skills
      • • AI
      • • Android
      • • APIs
      • • Business
      • • C#
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Equity, Diversity, and Inclusion (EDI)
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • PHP
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
  • Nehemiah Reese
    Nehemiah Reese
    17,692 Points

    Can't understand how the randomWithMin:max: method. Why are we using a modular?

    Posted November 20, 2015 9:20pm by Nehemiah Reese
    Nehemiah Reese
    17,692 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • Adding Debris

    0 Answers

  • Natalie Carlson
    Natalie Carlson
    3,727 Points

    In the bit mask, the comment section says the the THCollisionCategoryEnemy is 0000. Why wouldn't it be 0001 instead?

    Posted April 20, 2015 5:03am by Natalie Carlson
    Natalie Carlson
    3,727 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • Collision Masks and Movement

    0 Answers

  • Shaun Kelly
    Shaun Kelly
    5,648 Points

    Not receiving a notification that the contact occurred ?

    Posted January 27, 2015 5:15pm by Shaun Kelly
    Shaun Kelly
    5,648 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • Contact Detection using SKPhysicsContactDelegate

    0 Answers

  • Shaun Kelly
    Shaun Kelly
    5,648 Points

    Type Casting!?

    Posted January 8, 2015 6:22am by Shaun Kelly
    Shaun Kelly
    5,648 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • Contact Detection using SKPhysicsContactDelegate

    2 Answers

  • Shaun Kelly
    Shaun Kelly
    5,648 Points

    He hasn't explained about the position in the ground node class???

    Posted January 6, 2015 9:03pm by Shaun Kelly
    Shaun Kelly
    5,648 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • World Setup and Physics Bodies

    0 Answers

  • Shaun Kelly
    Shaun Kelly
    5,648 Points

    Auto complete feature doesn't work ?

    Posted January 6, 2015 8:22pm by Shaun Kelly
    Shaun Kelly
    5,648 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • World Setup and Physics Bodies

    0 Answers

  • Shaun Kelly
    Shaun Kelly
    5,648 Points

    My groundNode isn't green, it's invisible

    Posted January 6, 2015 7:43pm by Shaun Kelly
    Shaun Kelly
    5,648 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • World Setup and Physics Bodies

    1 Answer

  • Jared Watkins
    Jared Watkins
    10,756 Points

    My ground node is not appearing.

    Posted December 19, 2014 9:02pm by Jared Watkins
    Jared Watkins
    10,756 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • World Setup and Physics Bodies

    15 Answers

  • mrguiman
    mrguiman
    2,658 Points

    SKSpriteNode default size

    Posted November 23, 2014 11:53am by mrguiman
    mrguiman
    2,658 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • Adding Enemies

    2 Answers

  • jason lyery
    jason lyery
    156 Points

    How do you get rid of the green block on the bottom of the screen withl losing its physicsBody contact make it invisible

    Posted October 26, 2014 9:16pm by jason lyery
    jason lyery
    156 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • World Setup and Physics Bodies

    1 Answer

  • Eduardo Rojas
    Eduardo Rojas
    4,084 Points

    Error while detecting

    Posted September 20, 2014 6:16pm by Eduardo Rojas
    Eduardo Rojas
    4,084 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • Contact Detection using SKPhysicsContactDelegate

    1 Answer

  • Ben Shyong
    Ben Shyong
    4,186 Points

    Receiving a warning when assigning contactDelegate

    Posted August 19, 2014 4:03am by Ben Shyong
    Ben Shyong
    4,186 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • Contact Detection using SKPhysicsContactDelegate

    1 Answer

  • Justyn Huang
    Justyn Huang
    1,637 Points

    I am getting an error: ARC semantic issue: NO known class method for selector 'spriteNodeWithImageNamed:'

    Posted July 31, 2014 12:11am by Justyn Huang
    Justyn Huang
    1,637 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • Adding Enemies

    1 Answer

  • Kelvin Atawura
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Kelvin Atawura
    Front End Web Development Techdegree Student 19,022 Points

    skphysics

    Posted July 19, 2014 3:27pm by Kelvin Atawura
    .a{fill-rule:evenodd;}techdegree
    Kelvin Atawura
    Front End Web Development Techdegree Student 19,022 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • Contact Detection using SKPhysicsContactDelegate

    2 Answers

  • Swati Rawat
    Swati Rawat
    3,418 Points

    Collision mask vs Contact Mask

    Posted July 7, 2014 6:24am by Swati Rawat
    Swati Rawat
    3,418 Points
    • iOS
    • Build a Game with Sprite Kit
    • Physics and Collision
    • Collision Masks and Movement

    2 Answers

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.

    Treehouse

  • About
  • Blog
  • Careers
  • Community
  • Stories
  • Shop
  • Contact
  • Gift Card

See Full Catalogue

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
  • Python Development
  • Data Analysis
  • UX Design

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
  • ...see more

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
  • ...see more

Explore

  • Plans
  • Perks
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2024 Treehouse Island, Inc.