TextureCubeMap texture = null;
if (textureData.texture instanceof GeneratedTexture) {
texture = ((GeneratedTexture) textureData.texture).generateSkyTexture(size, horizontalColor, zenithColor, blenderContext);
} else {
// first create a grayscale version of the image
Image image = textureData.texture.getImage();
if (image.getWidth() != image.getHeight() || image.getWidth() != size) {
image = ImageUtils.resizeTo(image, size, size);
}
Image grayscaleImage = ImageUtils.convertToGrayscaleTexture(image);
// add the sky colors to the image
PixelInputOutput sourcePixelIO = PixelIOFactory.getPixelIO(grayscaleImage.getFormat());
PixelInputOutput targetPixelIO = PixelIOFactory.getPixelIO(image.getFormat());
TexturePixel texturePixel = new TexturePixel();
for (int x = 0; x < image.getWidth(); ++x) {
for (int y = 0; y < image.getHeight(); ++y) {
sourcePixelIO.read(grayscaleImage, 0, texturePixel, x, y);
texturePixel.intensity = texturePixel.red;// no matter which factor we use here, in grayscale they are all equal
ImageUtils.color(texturePixel, horizontalColor, zenithColor);
targetPixelIO.write(image, 0, texturePixel, x, y);
}
}
// create the cubemap texture from the coloured image
ByteBuffer sourceData = image.getData(0);
ArrayList<ByteBuffer> data = new ArrayList<ByteBuffer>(6);
for (int i = 0; i < 6; ++i) {
data.add(BufferUtils.clone(sourceData));
}
texture = new TextureCubeMap(new Image(image.getFormat(), image.getWidth(), image.getHeight(), 6, data));
}
if (result == null) {
result = texture;
} else {