Sha256: fbba41f8fb81da389e8ee170a4651b71fb4ffc3d4178f8d5b1a2382f0dda48b4
Contents?: true
Size: 771 Bytes
Versions: 6
Compression:
Stored size: 771 Bytes
Contents
package org.sunflow.core.camera;
import org.sunflow.SunflowAPI;
import org.sunflow.core.CameraLens;
import org.sunflow.core.ParameterList;
import org.sunflow.core.Ray;
public class FisheyeLens implements CameraLens {
@Override
public boolean update(ParameterList pl, SunflowAPI api) {
return true;
}
@Override
public Ray getRay(float x, float y, int imageWidth, int imageHeight, double lensX, double lensY, double time) {
float cx = 2.0f * x / imageWidth - 1.0f;
float cy = 2.0f * y / imageHeight - 1.0f;
float r2 = cx * cx + cy * cy;
if (r2 > 1) {
return null; // outside the fisheye
}
return new Ray(0, 0, 0, cx, cy, (float) -Math.sqrt(1 - r2));
}
}
Version data entries
6 entries across 6 versions & 1 rubygems