get method
Implementation
Texture? get(Texture? texture) {
if (texture != null &&
texture.isRenderTargetTexture == false) {
var mapping = texture.mapping;
if (mapping == EquirectangularReflectionMapping ||
mapping == EquirectangularRefractionMapping) {
if (cubemaps.has(texture)) {
var cubemap = cubemaps.get(texture).texture;
return mapTextureMapping(cubemap, texture.mapping);
} else {
var image = texture.image;
if (image != null && image.height > 0) {
var renderTarget =
WebGLCubeRenderTarget(image.height ~/ 2, null, null);
renderTarget.fromEquirectangularTexture(renderer, texture);
cubemaps.add(key: texture, value: renderTarget);
texture.addEventListener('dispose', onTextureDispose);
return mapTextureMapping(renderTarget.texture, texture.mapping);
} else {
// image not yet ready. try the conversion next frame
return null;
}
}
}
}
return texture;
}