/*!
* Add a reflection line with the specified Rotation on the specified face.
*
* \param cubemap The Cubemap to add to.
* \param rotation Rotation of the reflection line
* \param faces The Cubemap faces to add the line to.
*/
public static void addReflectionlineToCubemap(Cubemap cubemap, float rotation, int lineWidth, params CubemapFace[] faces)
{
UnityDebug.assert(cubemap.width == cubemap.height, "Cubemap is not square!");
foreach (CubemapFace face in faces)
{
var colors = cubemap.GetPixels(face);
int middle = (cubemap.width / 2) - 1;
var center = new int[] { middle, middle };
var origStart = new int[] { middle, 0 };
var newStart = rotatePointAroundPoint2D(origStart, center, rotation);
var origEnd = new int[] { middle, cubemap.height - 2 };
var newEnd = rotatePointAroundPoint2D(origEnd, center, rotation);
LineDrawer.plotThickLineAA(newStart[0], newStart[1], newEnd[0], newEnd[1], lineWidth, delegate(int x, int y, float i) {
colors[y * cubemap.width + (cubemap.width - 1 - x)] = new Color(i, i, i);
});
cubemap.SetPixels(colors, face);
}
if (faces.Length > 0)
{
cubemap.Apply();
}
}
