Files
mc-mesh/src/main/java/com/aaaaahhhhhhh/bananapuncher714/mesh/Test.java
BananaPuncher714 d16041f977 Improve tessellation algorithm
Added new mesh class
Rewrite mesh algorithms to be less error prone
Make code more concise
Tried to add some documentation
Added half edge set
2025-05-04 00:04:22 -04:00

43 lines
1.5 KiB
Java

package com.aaaaahhhhhhh.bananapuncher714.mesh;
public class Test {
public static void main( String[] args ) {
final Vector2d a = new Vector2d( -1, -1 );
final Vector2d b = new Vector2d( 10, 10 );
final Vector2d c = new Vector2d( 0, -1 );
final Vector2d d = new Vector2d( 10, 11 );
test( a, b, c, d );
}
public static void test( final Vector2d a, final Vector2d b, final Vector2d c, final Vector2d d ) {
final Vector2d ab = b.subtracted( a );
final Vector2d cd = d.subtracted( c );
final Vector2d ac = c.subtracted( a );
final double acab = ac.cross( ab );
final double abcd = ab.cross( cd );
System.out.println( "Parallel value: " + abcd );
if ( abcd != 0 ) {
final double s = ac.cross( cd );
final double t = s / abcd;
final double u = acab / abcd;
System.out.println( "S: " + s );
System.out.println( "T: " + t );
System.out.println( "U: " + u );
System.out.println( "AB Length: " + ( t * ab.length() ) );
System.out.println( "CD Length: " + ( u * cd.length() ) );
// Gives the intersection correctly
System.out.println( "AB int: " + ab.multiplied( t ).add( a ) );
System.out.println( "CD int: " + cd.multiplied( u ).add( c ) );
} else {
}
}
}