FGFS-4.1/simgear
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Shader Buildings - fix roof orientation

Browse Source 
Correct transformation to make roof ridges match orientation
in documentation.
This commit is contained in:
Stuart Buchanan 2019-12-08 17:36:23 +00:00
parent d5957b8c5f
commit 86f3169e4b
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
simgear/scene/tgdb/SGBuildingBin.cxx
View File

@ -595,16 +595,16 @@ typedef QuadTreeBuilder<LOD*, SGBuildingBin::BuildingInstance, MakeBuildingLeaf,
if ((roof_shape == 2) || (roof_shape == 6) || (roof_shape == 10) || (roof_shape == 11)) {
// Gabled, gambrel, round, saltbox
if (roof_orientation == 0) rooftop_scale = Vec2f(1.0f, 0.0f);
if (roof_orientation == 1) rooftop_scale = Vec2f(0.0f, 1.0f);
if (roof_orientation == 0) rooftop_scale = Vec2f(0.0f, 1.0f);
if (roof_orientation == 1) rooftop_scale = Vec2f(1.0f, 0.0f);
}
if ((roof_shape == 3) || (roof_shape == 4) || (roof_shape == 7)) {
// Hipped, half-hipped, mansard
// The pitch height expressed as a fraction of the building width/depth such that the hipped
// roof has a pitch of around 45 degrees. A minimum of 0.5 so that they have at least some ridge.
if (roof_orientation == 0) rooftop_scale = Vec2f(max(0.5f,(width - 2*pitch_height) / width), 0.0f);
if (roof_orientation == 1) rooftop_scale = Vec2f(0.0f, max(0.5f,(depth - 2*pitch_height) / width));
if (roof_orientation == 0) rooftop_scale = Vec2f(0.0f, max(0.5f,(depth - 2*pitch_height) / width));
if (roof_orientation == 1) rooftop_scale = Vec2f(max(0.5f,(width - 2*pitch_height) / width), 0.0f);
}
// Pyramidal, dome, onion