Project

General

Profile

« Previous | Next » 

Revision cbca11a3

Added by Leszek Koltunski over 5 years ago

Progress with the Earth app.

View differences:

src/main/java/org/distorted/library/mesh/MeshSphere.java
31 31 
public class MeshSphere extends MeshBase
32 32 
  {
33 33 
  private static final int NUMFACES = 16;
34 
  private static final double sqrt2 = Math.sqrt(2.0);
35 34 
  private static final double P = Math.PI;
36 35 

  		




  37
  36
  
    
  // An array of 16 entries, each describing a single face of the solid in an (admittedly) weird


  		




  ......




  180
  179
  
    
    double sinLAT = Math.sin(latitude);


  		




  181
  180
  
    
    double cosLAT = Math.cos(latitude);


  		




  182
  181
  
    

  		




  183
  
  
    
    float x = (float)(cosLAT*sinLON / sqrt2);


  		




  184
  
  
    
    float y = (float)(sinLAT        / sqrt2);


  		




  185
  
  
    
    float z = (float)(cosLAT*cosLON / sqrt2);


  		




  
  182
  
    
    float x = (float)(cosLAT*sinLON / 2.0f);


  		




  
  183
  
    
    float y = (float)(sinLAT        / 2.0f);


  		




  
  184
  
    
    float z = (float)(cosLAT*cosLON / 2.0f);


  		




  186
  185
  
    

  		




  187
  186
  
    
    double texX = 0.5 + longitude/(2*P);


  		




  188
  187
  
    
    if( texX>=1.0 ) texX-=1.0;


  		












Also available in:  Unified diff