Java 3D: How to Detect Collision between an .obj Car Model and Tree Objects (with Source Code)
#Java3Dtutorial #3Dmodel #collision
This video explains how to replace a .wrl car model with an .obj car model downloaded from Google Poly. The video also talks a little bit about a collision detection using a group.
0:00 Java 3D: How to Detect Collision between an .obj Car Model and Tree Objects
3:18 Downloading a Car Model from Google Poly
4:41 Importing model.obj into Blender 2.77, Positioning It, then Exporting It as model_Camaro.obj
6:29 Modifying model_Camaro.obj
7:12 Source Code Explanation
7:33 Replacing the .wrl Car Model with the .obj Car Model
7:55 Creating the createObjLoad Method
9:17 Changing the Background Color
9:29 Changing the Directional Light Color
9:50 Changing a Java 3D Program Extending the Applet Class to That Extending the Frame Class
11:26 Run
Source code described in this video:
https://sites.google.com/view/flying-... (new Google Site)
Source code described in the video,
"How to Detect Collision between a Car Model and Tree Objects in Java 3D."
https://sites.google.com/view/flying-... (new Google Site)
Code I referred to for collision detection:
The CollisionDetectorGroup class posted to java3d-interest
http://www.mail-archive.com/java3d-in...
The SimpleCollision class posted on the Java Tips
https://www.java-tips.org/other-api-t...
Poly was shut down on June 30, 2021. If you need the Poly model I used in this video, you can download it from the link under "3D model file I used".
I don't own any of the Poly models, so credits go to their respective and rightful owners. Please follow the CC-BY 3.0 license when you use them.
CC-BY 3.0:
https://creativecommons.org/licenses/...
https://creativecommons.org/licenses/...
3D model file I used:
1) 3D model (A red camaro ZL1 2017) Public / Remixable (CC-BY) (C) by Kris Tong
https://drive.google.com/file/d/1vJnE...
Free tree generator I used:
1) tree[d]
Tree[d] can be downloaded now from Web Archive at:
https://web.archive.org/web/201309150...
Free automatic composition software I used;
1) "れっつ、めろめろ!"
(http://www.vector.co.jp/soft/win95/ar...)
Free 3D modelers I used to create a Sk8 boy model;
1) "MetasequoiaLE R2.4a"
2) "Blender 249.b"
3) "Blender 2.58a"
About the key movements in the KeyNavigatorBehavior class
Table 4-3 (P.4-28)
https://web.cs.ucla.edu/classes/cs269...
Types of licenses
https://en.wikipedia.org/wiki/Creativ...
obj file format
https://en.wikipedia.org/wiki/Wavefro...
To learn more:
About Java 3D:
Free online books:
Dr. Andrew Davison's "Killer Game Programming in Java":
https://fivedots.coe.psu.ac.th/~ad/jg
Dr. Andrew Davison's "Pro Java 6 3D Game Development":
https://fivedots.coe.psu.ac.th/~ad/jg2
About Java:
• Java Programming Tutorial - 2 - Running a ...
https://www3.ntu.edu.sg/home/ehchua/p...
Java Language Specification:
http://docs.oracle.com/javase/specs/j...
To use the KeyNavigatorBehavior class in my Java 3D program (Mykeynavbeh.java), I used the following code;
1) Part of code from BackgroundApp.java included in the source bundle
that accompanies Sun Microsystems' Java 3D API Tutorial
(http://java.sun.com/developer/onlineT...)
Copyright (c) 1996-2000 Sun Microsystems, Inc. All Rights Reserved.
Copy of the above tutorial:
https://web.cs.ucla.edu/classes/cs269...
Change ch0.pdf to ch1.pdf-ch7.pdf in the address bar to display other chapters.
Example source code:
http://www.interactivemesh.org/off/do...
Thank you for watching my video, and I appreciate the people who have posted wonderful free software, images, models, and Java 3D tutorials that allowed me to make this video.