bool SGCloudLayer::enable_bump_mapping = false;
+const std::string SGCloudLayer::SG_CLOUD_OVERCAST_STRING = "overcast";
+const std::string SGCloudLayer::SG_CLOUD_BROKEN_STRING = "broken";
+const std::string SGCloudLayer::SG_CLOUD_SCATTERED_STRING = "scattered";
+const std::string SGCloudLayer::SG_CLOUD_FEW_STRING = "few";
+const std::string SGCloudLayer::SG_CLOUD_CIRRUS_STRING = "cirrus";
+const std::string SGCloudLayer::SG_CLOUD_CLEAR_STRING = "clear";
+
// make an StateSet for a cloud layer given the named texture
static osg::StateSet*
SGMakeState(const SGPath &path, const char* colorTexture,
}
}
+const std::string &
+SGCloudLayer::getCoverageString( Coverage coverage )
+{
+ switch( coverage ) {
+ case SG_CLOUD_OVERCAST:
+ return SG_CLOUD_OVERCAST_STRING;
+ case SG_CLOUD_BROKEN:
+ return SG_CLOUD_BROKEN_STRING;
+ case SG_CLOUD_SCATTERED:
+ return SG_CLOUD_SCATTERED_STRING;
+ case SG_CLOUD_FEW:
+ return SG_CLOUD_FEW_STRING;
+ case SG_CLOUD_CIRRUS:
+ return SG_CLOUD_CIRRUS_STRING;
+ case SG_CLOUD_CLEAR:
+ default:
+ return SG_CLOUD_CLEAR_STRING;
+ }
+}
+
+SGCloudLayer::Coverage
+SGCloudLayer::getCoverageType( const std::string & coverage )
+{
+ if( SG_CLOUD_OVERCAST_STRING == coverage ) {
+ return SG_CLOUD_OVERCAST;
+ } else if( SG_CLOUD_BROKEN_STRING == coverage ) {
+ return SG_CLOUD_BROKEN;
+ } else if( SG_CLOUD_SCATTERED_STRING == coverage ) {
+ return SG_CLOUD_SCATTERED;
+ } else if( SG_CLOUD_FEW_STRING == coverage ) {
+ return SG_CLOUD_FEW;
+ } else if( SG_CLOUD_CIRRUS_STRING == coverage ) {
+ return SG_CLOUD_CIRRUS;
+ } else {
+ return SG_CLOUD_CLEAR;
+ }
+}
+
+const std::string &
+SGCloudLayer::getCoverageString() const
+{
+ return getCoverageString(layer_coverage);
+}
+
+void
+SGCloudLayer::setCoverageString( const std::string & coverage )
+{
+ setCoverage( getCoverageType(coverage) );
+}
+
void
SGCloudLayer::setTextureOffset(const osg::Vec2& offset)
{
double ax = 0.0, ay = 0.0, bx = 0.0, by = 0.0;
if (dist > 0.0) {
- ax = cos(course) * dist;
+ ax = -cos(course) * dist;
ay = sin(course) * dist;
}
double xoff = (ax + bx) / (2 * scale);
double yoff = (ay + by) / (2 * scale);
+
// const float layer_scale = layer_span / scale;
// cout << "xoff = " << xoff << ", yoff = " << yoff << endl;