Sha256: 24688731358bbbb6e18b00c0fc2bf64815903ad06e39e8a59c13b0e4b3765386
Contents?: true
Size: 647 Bytes
Versions: 6
Compression:
Stored size: 647 Bytes
Contents
package org.sunflow.core.filter;
import org.sunflow.core.Filter;
public class CubicBSpline implements Filter {
@Override
public float get(float x, float y) {
return B3(x) * B3(y);
}
@Override
public float getSize() {
return 4.0f;
}
private float B3(float t) {
t = Math.abs(t);
if (t <= 1) {
return b1(1 - t);
}
return b0(2 - t);
}
private float b0(float t) {
return t * t * t * (1.0f / 6);
}
private float b1(float t) {
return (1.0f / 6) * (-3 * t * t * t + 3 * t * t + 3 * t + 1);
}
}
Version data entries
6 entries across 6 versions & 1 rubygems