Add clamping to 0..1 bounds for each of the r,g,b,a components in

the CubeMapGenerator::set_pixel() method.
This commit is contained in:
Robert Osfield
2004-06-04 11:35:13 +00:00
parent c69a8a5b80
commit bfd1286b25
5 changed files with 129 additions and 126 deletions

View File

@@ -43,13 +43,13 @@ CubeMapGenerator::CubeMapGenerator(const CubeMapGenerator &copy, const osg::Copy
void CubeMapGenerator::generateMap(bool use_osg_system)
{
osg::Matrix M;
if (use_osg_system) {
M = osg::Matrix::rotate(osg::PI_2, osg::Vec3(1, 0, 0));
} else {
M = osg::Matrix::identity();
}
osg::Matrix M;
if (use_osg_system) {
M = osg::Matrix::rotate(osg::PI_2, osg::Vec3(1, 0, 0));
} else {
M = osg::Matrix::identity();
}
const float dst = 2.0f/(texture_size_-1);
@@ -57,7 +57,7 @@ void CubeMapGenerator::generateMap(bool use_osg_system)
for (int i=0; i<texture_size_; ++i) {
float s = -1;
for (int j=0; j<texture_size_; ++j) {
set_pixel(0, j, i, compute_color(osg::Vec3(1, -t, -s) * M));
set_pixel(0, j, i, compute_color(osg::Vec3(1, -t, -s) * M));
set_pixel(1, j, i, compute_color(osg::Vec3(-1, -t, s) * M));
set_pixel(2, j, i, compute_color(osg::Vec3(s, 1, t) * M));
set_pixel(3, j, i, compute_color(osg::Vec3(s, -1, -t) * M));