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hack to fix odd sprite particle horizontal flip

This commit is contained in:
Josh Wilson 2005-11-17 00:32:33 +00:00
parent 7817e63037
commit 0ca7fdb0cd
1 changed files with 11 additions and 3 deletions
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14
panda/src/particlesystem/spriteParticleRenderer.cxx
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@ -327,11 +327,20 @@ add_from_node(const NodePath &node_path, bool size_from_texels, bool resize) {
} else {
const LVecBase2f &uv = texcoord.get_data2f();
/*
min_uv[0] = min(min_uv[0], uv[0]);
max_uv[0] = max(max_uv[0], uv[0]);
min_uv[1] = min(min_uv[1], uv[1]);
max_uv[1] = max(max_uv[1], uv[1]);
*/
// For some reason sprite particles are rendering flipped in the horizontal direction.
// This is a hack to fix it for now.
min_uv[0] = max(min_uv[0], uv[0]);
max_uv[0] = min(max_uv[0], uv[0]);
min_uv[1] = min(min_uv[1], uv[1]);
max_uv[1] = max(max_uv[1], uv[1]);
}
}
}
@ -381,7 +390,7 @@ add_from_node(const NodePath &node_path, bool size_from_texels, bool resize) {
}
}
}
}
}
if (got_vertex) {
float width = max_xyz[0] - min_xyz[0];
@ -393,7 +402,6 @@ add_from_node(const NodePath &node_path, bool size_from_texels, bool resize) {
// number of texels in the source image.
float y_texels = _anims[0]->get_frame(0)->get_y_size() * fabs(_anims[0]->get_ur(0)[1] - _anims[0]->get_ll(0)[1]);
set_size(y_texels * width / height, y_texels);
} else {
// If size_from_texels is false, we get the particle size from
// the size of the polygon.