Java-Gaming.org Hi !
Featured games (91)
games approved by the League of Dukes
Games in Showcase (762)
Games in Android Showcase (229)
games submitted by our members
Games in WIP (847)
games currently in development
News: Read the Java Gaming Resources, or peek at the official Java tutorials
 
    Home     Help   Search   Login   Register   
Pages: [1]
  ignore  |  Print  
  Raypicking with Mouse (Fixed Camera position working)  (Read 533 times)
0 Members and 1 Guest are viewing this topic.
Offline spezies

Innocent Bystander





« Posted 2014-05-23 22:09:30 »

Hey Java-People,

i've got a problem and can't find a solution. I'm working with LWJGL and OpenGL.

x and y are both values between [-1, 1] and work properly, if i add -ySinReal to the both underlaying lines, i can manipulate the ray against the y-axis in the center.

1  
2  
3  
4  
5  
6  
7  
8  
9  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
float hFov = c.getFov() * c.getAspectRatio();
float x = (Mouse.getX() - Display.getWidth() * 0.5f) / (Display.getWidth() * 0.5f);
float y = (Mouse.getY() - Display.getHeight() * 0.5f) / (Display.getHeight() * 0.5f);

//float xSinReal = (float) (x * (hFov * 0.5f));
float ySinReal = (float) (y * (c.getFov() * 0.5f) + Math.sin(y * Math.PI * 0.9f));

// - ySinReal
float pitch = (float) Math.toRadians(this.pitch);
float yaw = (float) Math.toRadians(this.yaw);

// pitch -> up / down
// yaw -> left / right
this.direction_x = (float) (Math.sin(yaw) * Math.cos(pitch));
//- ySinReal
this.direction_y = (float) (Math.sin(Math.toRadians(this.pitch - 180f)));
this.direction_z = -(float) (Math.cos(yaw) * Math.cos(pitch));

// -> at this point i have a ray with origin point and direction, which will perfectly work! (centered to camera)
// -> my intention is to manipulate x,y,z direction or yaw/pitch to move the ray to the position where my mouse points at (like the camera would move around and has the ray centered).

// other usable variables from my Ray class
this.x = x; // origin
this.y = y; // origin
this.z = z; // origin
this.yaw = yaw; // left/right
this.pitch = pitch; // up/down
this.roll = roll; // is allways 0


Did you have a suggestion how i can solve my problem to let the ray follow my mouse instead centered by camera?

Greetings
Spezies
Pages: [1]
  ignore  |  Print  
 
 

 
EgonOlsen (364 views)
2018-06-10 19:43:48

EgonOlsen (364 views)
2018-06-10 19:43:44

EgonOlsen (304 views)
2018-06-10 19:43:20

DesertCoockie (540 views)
2018-05-13 18:23:11

nelsongames (870 views)
2018-04-24 18:15:36

nelsongames (853 views)
2018-04-24 18:14:32

ivj94 (1304 views)
2018-03-24 14:47:39

ivj94 (425 views)
2018-03-24 14:46:31

ivj94 (1088 views)
2018-03-24 14:43:53

Solater (443 views)
2018-03-17 05:04:08
Java Gaming Resources
by philfrei
2017-12-05 19:38:37

Java Gaming Resources
by philfrei
2017-12-05 19:37:39

Java Gaming Resources
by philfrei
2017-12-05 19:36:10

Java Gaming Resources
by philfrei
2017-12-05 19:33:10

List of Learning Resources
by elect
2017-03-13 14:05:44

List of Learning Resources
by elect
2017-03-13 14:04:45

SF/X Libraries
by philfrei
2017-03-02 08:45:19

SF/X Libraries
by philfrei
2017-03-02 08:44:05
java-gaming.org is not responsible for the content posted by its members, including references to external websites, and other references that may or may not have a relation with our primarily gaming and game production oriented community. inquiries and complaints can be sent via email to the info‑account of the company managing the website of java‑gaming.org
Powered by MySQL Powered by PHP Powered by SMF 1.1.18 | SMF © 2013, Simple Machines | Managed by Enhanced Four Valid XHTML 1.0! Valid CSS!